| Patent application number | Description | Published |
| 20080229120 | SYSTEM AND METHOD FOR CONTINUAL CABLE THERMAL MONITORING USING CABLE RESISTANCE CONSIDERATIONS IN POWER OVER ETHERNET - A system and method for continual cable thermal monitoring using cable resistance considerations for Power over Ethernet (PoE) applications. Cable heating in PoE applications is related to the resistance of the cable itself. By periodically monitoring the resistance of the cable, it can be determined whether the cable has exceeded certain operating thresholds. The determined resistance as a proxy for cable heating can then be used in adjusting operational characteristics of PoE channels. | 09-18-2008 |
| 20080238634 | SYSTEM AND METHOD FOR CONTINUAL CABLE THERMAL MONITORING USING CABLE CHARACTERISTIC CONSIDERATIONS IN POWER OVER ETHERNET - A system and method for continual cable thermal monitoring using cable characteristic considerations in Power over Ethernet (PoE) applications. Cable heating in PoE applications is detected through changes in electrical characteristics of the cable itself. By periodically monitoring the electrical characteristics such as insertion loss or cross talk of the cable, it can be determined whether the cable has exceeded certain thermal operating thresholds. | 10-02-2008 |
| 20080250255 | SYSTEM AND METHOD FOR APPLYING POWER OVER ETHERNET TO PORTABLE COMPUTING DEVICES - A system and method for applying Power over Ethernet (PoE) to portable computing devices. Portable computing devices such as portable computers have unstable power profiles due to the wide variability in tasks that are undertaken by users. This unstable power profile makes it difficult for power source equipment (PSE) in a PoE system to effectively manage powering of those devices. In one embodiment, PoE power is used to augment a reservoir of charge (e.g., battery) that has a stable power profile. The reservoir of charge provides a charge buffer such that a PSE need not match the swings in power demands by electronic circuitry in the portable computing device. | 10-09-2008 |
| 20080253392 | PoE communication bus, interface, and protocol between PoE subsystem and PHY or switch subsystems - Provided is a communications interface system. The communications interface system includes one or more protocol modules configured to include interface protocols that facilitate direct communication between a switching subsystem, a physical layer subsystem, and a Power over Ethernet subsystem. The protocol modules are connectable to a communications bus, the direct communication occurring across the communications bus in accordance with the protocols. | 10-16-2008 |
| 20080256371 | SYSTEM AND METHOD FOR POWER MANAGEMENT IN A COMPUTING DEVICE FOR POWER OVER ETHERNET - A system and method for operating system power management in a computing device for power over Ethernet (PoE). Computing devices such as portable computers or embedded devices having an operating system (OS) can leverage power management features in an OS. Power management state information such as user parameters, computing device parameters, application parameters, IT parameters, network parameters, etc. can be used to generate power requests that are acted upon by power sourcing equipment. | 10-16-2008 |
| 20080256373 | SYSTEM AND METHOD FOR COLLECTING POWER MANAGEMENT PARAMETERS IN A COMPUTING DEVICE FOR POWER OVER ETHERNET - A system and method for collecting power management parameters in a computing device for power over Ethernet (PoE). Computing devices such as portable computers can include a collection component that is responsible for gathering power management information from various parts of the computing device. The collected power management information can then be sent to a LAN on motherboard device for use in a PoE allocation scheme. | 10-16-2008 |
| 20080256598 | SYSTEM AND METHOD FOR AUTHENTICATING A POWERED DEVICE ATTACHED TO A POWER SOURCING EQUIPMENT FOR POWER PROVISIONING - A system and method for authenticating a powered device attached to a power sourcing equipment for power provisioning such as power over Ethernet (PoE) enabled device communicating with a PoE enabled switch. Powered devices such as computing devices, security cameras, VoIP phones, wireless access points, or the like, can be detected by a PoE switch upon connection. Power applied to the powered device is restricted until information received from the powered device is authenticated. | 10-16-2008 |
| 20080263374 | SYSTEM AND METHOD FOR MODELING A POWER OVER ETHERNET COMPONENT IN A COMPUTING DEVICE PLATFORM USING A COMMON INFORMATION MODEL - A system and method for modeling a power over Ethernet component using a common information model. With the profiling of components based on the common information model, a remote agent can query status/capabilities or configure a power over Ethernet component based on messaging that is consistent with a power over Ethernet common information model schema. | 10-23-2008 |
| 20080284621 | METHOD AND SYSTEM FOR KEYBOARD, SOUND AND MOUSE (KSM) OVER LAN A/V BRIDGING AND A/V BRIDGING EXTENSIONS FOR GRAPHICS THIN CLIENT APPLICATIONS - Aspects of a system for keyboard, sound and mouse (KSM) over LAN A/V bridging and A/V bridging extensions for graphics thin client applications may include an I/O controller within an LAN subsystem, which enables generation of response data based on input signals from a keyboard device and/or mouse device that is coupled to a computing device. The generated response data may be encapsulated within an encapsulating PDU. The encapsulating PDU may comprise an Ethernet frame and/or and IP packet. The encapsulating PDU may be transmitted via a network based on a traffic class designation. The traffic class designation may enable the transmission of the generated response data via the network based on specified latency target values. A time stamp value may be generated for the encapsulating PDU. The encapsulating PDU may include at least one data type identifier, which indicates that the encapsulating PDU contains the generated response data. | 11-20-2008 |
| 20080285444 | METHOD AND SYSTEM FOR MANAGING MULTIMEDIA TRAFFIC OVER ETHERNET - Aspects of a method and system for managing multimedia traffic over Ethernet are provided. In this regard, multimedia traffic comprising one or more Ethernet frames may be identified via one or more headers comprising the frames and processed according to the identification. In this regard, general Ethernet traffic may be multiplexed into egress frames based on the identification. Similarly, ingress Ethernet frames may be demultiplexed into multimedia traffic and general traffic based on the identification. Headers utilized to identify and/or route multimedia traffic and general traffic may comprise Ethertype and/or subtype fields. Headers utilized to identify and/or route multimedia traffic and general traffic may comprise a connection identifier field. Similarly, Headers utilized to identify and/or route multimedia traffic and general traffic may comprise a data type field. | 11-20-2008 |
| 20080285459 | METHOD AND SYSTEM FOR AUDIO/VIDEO BRIDGING AWARE SHORTEST PATH BRIDGING - Aspects of a method and system for Audio/Video Bridging aware shortest path bridging are provided. In this regard, network nodes which are AVB enabled and capable of routing information based on a desired path cost and/or a desired quality of service (QoS) may be identified, and an AVB enabled path comprising one or more of the identified nodes may be established for communication over a network. In this regard, the desired cost may be a least cost and may be the “shortest path” between two nodes in a network. Additionally, the nodes maybe identified using Shortest path Bridging protocols and/or Audio Video Bridging protocols and/or extensions thereof. Also, bridge protocol data units may be exchanged to identify the nodes. | 11-20-2008 |
| 20080285460 | METHOD AND SYSTEM FOR FAULT RESILIENCE IN NETWORKS WITH AUDIO/VIDEO BRIDGING AWARE SHORTEST PATH BRIDGING - Aspects of a method and system for fault resilience in Audio/Video Bridging (AVB) aware Shortest Path Bridging (SPB) networks are provided. In this regard, a path cost, which may be based at least on AVB compatibility, may be determined for each network path discovered between a first network node and a second network node. Additionally, a plurality of network paths may be selected based on the determined path cost, and a plurality of network connections may be established over the selected plurality of network paths. Also, a plurality of data streams may be transmitted and/or received via the established network connections, wherein at least one of data streams comprises data that is redundant to a first data stream. Furthermore, a primary data stream may be conveyed via a first network connection and one or more redundant data streams may be conveyed via a second network connection. | 11-20-2008 |
| 20080285545 | VOICE OVER IP CUSTOMER PREMISES EQUIPMENT - A system and method for increasing the cost effectiveness of a service provider in meeting the needs of the multiple dwelling unit (MDU) market. To reduce the cost of connectivity between a network unit and a customer premises in the MDU, customer premises equipment functionality is embedded in a voice over Internet protocol (VOIP) phone. | 11-20-2008 |
| 20080285546 | SYSTEM AND METHOD FOR ENABLING OPERATION OF AN ETHERNET DEVICE OVER AN EXTENDED DISTANCE - A system and method for enabling operation of an Ethernet device over an extended distance. In a multiple dwelling unit (MDU) a customer premises equipment (CPE) can be coupled to a network unit via a broad reach Ethernet link that is greater than 100 meters (e.g., 500 meters). In this example, a CPE having a conventional Ethernet port can be operated over the broad reach Ethernet link using a converter device. | 11-20-2008 |
| 20080285568 | Method and System for Transforming Compressed Video Traffic to Network-Aware Ethernet Traffic with A/V Bridging Capabilities and A/V Bridging Extensions - Aspects of a system for transforming compressed video traffic to network-aware Ethernet traffic with A/V bridging capabilities and A/V bridging extensions may include a graphics processing unit (GPU) that may enable encapsulation of compressed video data within a Display Port protocol data unit (PDU). A LAN subsystem may enable encapsulation of the Display Port PDU within an encapsulating PDU. The LAN subsystem may enable determination of a traffic class designation associated with the encapsulating PDU. The LAN subsystem may enable transmission of the encapsulating PDU via a network based on the traffic class designation. The LAN subsystem may also enable the encapsulation of compressed video data within Ethernet frames. A computing device, which receives the Ethernet frames may de-compress the compressed video data and send the uncompressed video data, which may be encapsulated within one or more Display Port mini-packets, to a multimedia monitor. | 11-20-2008 |
| 20080285572 | SINGLE DEVICE FOR HANDLING CLIENT SIDE AND SERVER SIDE OPERATIONS FOR A/V BRIDGING AND A/V BRIDGING EXTENSIONS - Aspects of a single device for handling server side operations for A/V bridging and A/V bridging extensions may include a single IC device that is configured to enable encapsulation of generated digital video data within an encapsulating PDU. The single IC device may enable determination of a traffic class designation associated with the encapsulating PDU. The single IC device may enable transmission of the encapsulating PDU via a network based on the traffic class designation. Aspects of a single device for handling client side operations may include a single IC device that is configured to enable extraction of received digital video that is encapsulated within an encapsulating PDU. The encapsulating PDU may be received via a network at a destination device. The single IC device may enable transmission of the received digital video data to a multimedia monitor coupled to the destination device via an interface connector. | 11-20-2008 |
| 20080285573 | METHOD AND SYSTEM FOR AN ASYMMETRIC PHY OPERATION FOR ETHERNET A/V BRIDGING AND ETHERNET A/V BRIDGING EXTENSIONS - Signals may be communicated with A/V Bridging services between an upstream link partner and a down stream link partner, each comprising an asymmetric multi-rate Ethernet physical layer (PHY). High bandwidth AN signals may be transmitted from the upstream link partner and low bandwidth signals may be transmitted from the downstream link partner. One or more of a time stamp, a traffic class and/or a destination address may be utilized in generating PDUs as well as data rate request and a resource reservation messages via the asymmetric Ethernet PHY. The receiving link partner may register for deliver of the PDUs. An aggregate communication rate may be distributed evenly or unevenly among one or more links for transmission and aggregated upon reception via asymmetric multi-rate Ethernet PHY operations. Compressed, uncompressed, encrypted and/or unencrypted signals may be handled. Signal processing may comprise echo cancellation, cross talk cancellation, forward error checking and equalization. | 11-20-2008 |
| 20080285643 | METHOD AND SYSTEM FOR TRANSFORMING UNCOMPRESSED VIDEO TRAFFIC TO NETWORK-AWARE ETHERNET TRAFFIC WITH A/V BRIDGING CAPABILITIES AND A/V BRIDGING EXTENSIONS - Aspects of a system for transforming uncompressed video traffic to network-aware Ethernet traffic with A/V bridging capabilities and A/V bridging extensions may include a graphics processing unit (GPU) that may enable encapsulation of uncompressed video data and/or auxiliary channel data within a Display Port protocol data unit (PDU). A LAN subsystem may enable encapsulation of the Display Port PDU within an encapsulating PDU. The LAN subsystem may enable determination of a traffic class designation associated with the encapsulating PDU. The LAN subsystem may enable transmission of the encapsulating PDU via a network based on the traffic class designation. | 11-20-2008 |
| 20080285981 | Method And System For An Asymmetric Optical Phy Operation For Ethernet A/V Bridging And Ethernet A/V Bridging Extensions - Optical signals may be communicated with A/V Bridging services between an upstream link partner and a down stream link partner, each comprising an asymmetric Ethernet optical physical layer (PHY). High bandwidth A/V optical signals may be transmitted from the upstream link partner and low bandwidth optical signals may be transmitted from the downstream link partner. One or more of a time stamp, a traffic class and/or a destination address may be utilized in generating PDUs and managing communications via the asymmetric Ethernet optical PHY. The receiving link partner may register for deliver of the PDUs. An aggregate communication rate may be distributed evenly or unevenly among one or more optical links for transmission and aggregated upon reception via asymmetric Ethernet optical PHY operations. Compressed, uncompressed, encrypted and/or unencrypted optical signals may be handled. Signal processing may comprise forward error checking and clock recovery. | 11-20-2008 |
| 20080288638 | METHOD AND SYSTEM FOR MANAGING NETWORK RESOURCES IN AUDIO/VIDEO BRIDGING ENABLED NETWORKS - Aspects of a method and system for managing network resources in audio/video bridging enabled networks are provided. In this regard, network resources reserved via AVB may be allocated for administrative and/or control traffic. Additionally, administrative and/or control data may be assigned highest priority for routing in the network. In this regard, priority of traffic may be determined via one or more bits of a VLAN tag associated with the traffic. For each AVB stream registered in the network, there may be a corresponding portion of the reserved network resources allocated for administrative and/or control data. The portion of reserved network resources allocated for administrative and/or control data may be based on past, present, or expected network statistics. Portions of the reserved resources not allocated for administrative and/or control data may be utilized for communicating one or more multimedia streams. In this regard, the unallocated resources may be distributed amongst the one or more multimedia streams. Allocating reserved resources for administrative and/or control traffic may ensure reliable communication of the administrative and/or control traffic, by preventing one or more multimedia streams from monopolizing network resources. | 11-20-2008 |
| 20080288704 | METHOD AND SYSTEM FOR UNIVERSAL SERIAL BUS (USB) OVER A/V BRIDGING AND A/V BRIDGING EXTENSIONS - Aspects of a system for universal serial bus (USB) over ANV bridging and ANV bridging extensions may include a LAN subsystem that enables reception of signals from a peripheral device coupled to a computing device via a USB interface. The LAN subsystem may enable the generation of payload data based on the received signals. The LAN subsystem may enable transmission of the generated payload data via a network based on a traffic class designation. The generated payload data may be encapsulated within an outgoing PDU, which may include an Ethernet frame and/or an IP packet. The outgoing encapsulating PDU may contain the traffic class designation. The LAN subsystem may also generate a time stamp for the encapsulating PDU. The LAN subsystem may enable indication that the outgoing encapsulating PDU encapsulates the generated payload data based on one or more data type identifiers, which include an EtherType and an EtherTypeSubType. | 11-20-2008 |
| 20080288987 | METHOD AND SYSTEM FOR UTILIZING A/V BRIDGING AND A/V BRIDGING EXTENSIONS TO REPLACE DISPLAY PORT, HDMI, DVI AND/OR ANALOG PORTS ON A PERSONAL COMPUTING SYSTEM - Aspects of a system for utilizing A/V bridging and A/V bridging extensions to replace Display Port and/or analog ports on a computing system may include a LAN subsystem that enables transmission of at least video data from a computing device, such as a computer workstation, to a multimedia monitor coupled to the computing device via an Ethernet interface connector. The transmission may enable rendering of the video data on the multimedia monitor. The computing device may be coupled to a docking station or to a port replicator. The docking station may be coupled to the Ethernet interface connector via an Ethernet connector. The port replicator may be coupled to the Ethernet interface connector via an Ethernet connector. The LAN subsystem may enable access to the Ethernet interface connector to enable transmission and generation of line encoded bits based on the video data via the Ethernet interface connector. | 11-20-2008 |
| 20080289016 | SYSTEM AND METHOD FOR CONFIGURING A CUSTOMER PREMISES EQUIPMENT IN A SERVICE PROVIDER NETWORK - A system and method for authentication for configuring a customer premises equipment (CPE) in a service provider network. In a multiple dwelling unit (MDU) a customer device (e.g., voice over Internet protocol (VOIP) phone) can be configured with CPE functionality, thereby enabling the customer device CPE to support the provision of service to multiple additional customer devices in a customer premises. A dedicated CPE device is thereby eliminated from the service provider network. The customer device CPE can be designed to support a form of authentication (e.g., Layer 2, Layer 3) that would be sufficient for access by the multiple additional customer devices to various network services. | 11-20-2008 |
| 20080294811 | SYSTEM AND METHOD FOR MIRRORING POWER OVER ETHERNET REGISTERS IN A PHYSICAL LAYER DEVICE OVER A SINGLE ISOLATION BOUNDARY - A system and method for mirroring power over Ethernet (PoE) registers in physical layer devices (PHYs) over a single isolation boundary. PHYs in a PoE system can be arranged in a master/slave configuration. In this configuration, a master PHY can be designed to communicate with the power source equipment controllers via a single isolation device. | 11-27-2008 |
| 20090027033 | SYSTEM AND METHOD FOR INTEGRATED TEMPERATURE MEASUREMENT IN POWER OVER ETHERNET APPLICATIONS - A system and method for integrated thermal monitoring in Power over Ethernet (PoE) applications. Headroom in a particular cable installation is identified using ambient temperature measurement alone or in combination with determined cable characteristics. In calculating an amount of headroom for a particular cable installation, the current capable of being carried over the cable would not be limited by worst-case cable assumptions. | 01-29-2009 |
| 20090034518 | MULTIPORT SWITCH FOR CASCADED ETHERNET AV DEVICE NETWORKING - A multiport switch for cascaded Ethernet audio/visual (AV) device networking. AV devices are configured with multiple external Ethernet ports and an internal port. These multiple Ethernet ports enable the AV devices to operate as a terminating AV device or as an intermediary switch. With this functionality, a cascading chain of AV devices can be used to support traffic between the connected set of AV devices. Independent links between the sets of devices would not be required as with conventional point-to-point topologies. | 02-05-2009 |
| 20090037606 | SYSTEM AND METHOD FOR ADJUSTING A LEVEL OF COMPRESSION FOR COMPUTING CLIENTS - A system and method for adjusting a level of compression for thin and chubby computing clients. End devices in a network can stream audio/video traffic over a network. Such a connection between the end devices can be reserved with guarantees of bandwidth and latency being obtained. Bandwidth guarantees across multiple intermediary switches can be used to define a compression level for the end devices. In one embodiment, the lowest compression level that will produce audio/video traffic that will fit in the guaranteed connection bandwidth is chosen to produce the highest quality audio/video stream. | 02-05-2009 |
| 20090041042 | SYSTEM AND METHOD FOR ADJUSTING COMPRESSION FOR COMPUTING CLIENTS BASED ON A LATENCY LEVEL - A system and method for adjusting a level of compression for endpoint devices. Endpoint devices in a network can stream audio/video traffic over a network. Such a connection between the endpoint devices can be reserved with guarantees of latency being obtained. Latency guarantees across multiple intermediary switches can be used to define a compression level for the end devices. | 02-12-2009 |
| 20090049315 | SYSTEM AND METHOD FOR POWER OVER ETHERNET PROVISIONING FOR A COMPUTING DEVICE USING A NETWORK PROFILE - A system and method for power over Ethernet (PoE) provisioning for a computing device using a network profile. Various types of power management information can be used in a process for determining a power request/priority. Power management information such as user information or device information can be stored in a profile in a network database. This network database can be accessed by a switch in determining a power request/priority for a computing device. | 02-19-2009 |
| 20090049937 | SYSTEM AND METHOD FOR ENHANCED ACCURACY IN CABLE DIAGNOSTICS OF CABLE LENGTH - A system and method for enhanced accuracy in cable diagnostics of cable length. Conventional cable diagnostics such as time domain reflectometry can be used to determine cable length. This conventional technique can have accuracy limitations in certain situation such as with perfectly terminated cable. A cable length can also be determined through the use of link delay measurements that are based on clock synchronization between nodes in a network. Notwithstanding the accuracy issues of these link delay measurements, overall accuracy can be increased through the combination of the two cable length delay measurements into a final estimate. | 02-26-2009 |
| 20090055662 | MIDSPAN POWERING IN A POWER OVER ETHERNET SYSTEM - A midspan power sourcing equipment (PSE) for operation with power over Ethernet (PoE). The midspan PSE provides powering over wire pairs that are also used for data communication. To ensure compatibility with legacy Ethernet devices, the ports used for transmission of data are designed to present an increased level of inductance. | 02-26-2009 |
| 20090063874 | Power sharing between midspan and endspan for higher power PoE - Methods and systems for higher power PoE are provided. Embodiments overcome system limitations to PSE power scaling by using an endspan-midspan configuration which allocates power to the PD from both an endspan PSE and a midspan PSE. Embodiments are particularly suitable for deployed PoE systems having limited power supplies and/or ports designed for lower power. Further, embodiments include power management schemes to enable the proposed endspan-midspan configuration to intelligently allocate power between the endspan PSE and the midspan PSE according to required PD power. | 03-05-2009 |
| 20090070603 | SYSTEM AND METHOD FOR SECURE COMMUNICATION FOR POWER OVER ETHERNET BETWEEN A COMPUTING DEVICE AND A SWITCH - A system and method for secure communication for power over Ethernet (PoE) between a computing device and a switch. Various power management information can be used as inputs in a process for determining a power request/priority. This power management information can be communicated in Layer 2, Layer 3, or higher messaging during initial power allocation and ongoing power reallocation. Encryption of such messaging enables confidentiality, secure allocation processes, and prevention of denial of service attacks. | 03-12-2009 |
| 20090079558 | MIDSPAN POWERING WITHOUT THE USE OF DATA TRANSFORMERS IN A POWER OVER ETHERNET APPLICATION - A midspan power sourcing equipment (PSE) for operation with power over Ethernet (PoE). The midspan PSE provides powering over wire pairs that are also used for data communication. To reduce costs by the midspan manufacturer, the midspans can be designed without the use of data transformers. Rather, midspans can include transmit/receive couplers that have blocking capacitors and divider trees for the insertion of power. | 03-26-2009 |
| 20090083549 | TRANSMISSION IMPEDANCE FOR MIDSPAN POWERING IN A POWER OVER ETHERNET APPLICATION - A midspan power sourcing equipment (PSE) for operation with power over Ethernet (PoE). The midspan PSE provides powering over wire pairs that are also used for data communication. To ensure compatibility with legacy Ethernet devices, the ports used for transmission of data are designed with a low effective impedance at a frequency of operation. | 03-26-2009 |
| 20090083550 | FOUR-PAIR MIDSPAN POWERING IN A POWER OVER ETHERNET APPLICATION - A midspan power sourcing equipment (PSE) that supports four-pair powering in a power over Ethernet (PoE) applications. The midspan PSE can provide power to two separate end devices using a single cable. To ensure compatibility with legacy Ethernet devices, the ports used for transmission of data are designed with a sufficient inductance level or a low effective impedance at a frequency of operation. | 03-26-2009 |
| 20090097389 | Method And System For Training An Ethernet Channel Based On An Active Channel To Support Energy Efficient Ethernet Networks - An Ethernet link may comprise silent and active channels and may support energy efficient Ethernet communication. Training parameters from the one or more active channels may be utilized for determining and/or adjusting training parameters for silent channels prior to activation. Training parameters for silent channels may be determined based on copying training parameters from active channels. Determination of training parameters for silent channels may be based on a weighted average of the active channel training parameters. A delta between active channel training parameters from a prior time and subsequent time may be utilized to determine a correction factor for adjusting training parameters for a silent channel from a prior time. Silent channels may be adjusted based on active channel training parameters and then subsequently may be trained. Training parameters may be adjusted for one or more of an echo canceller, a near-end crosstalk canceller and a far-end canceller. | 04-16-2009 |
| 20090097390 | Method And System For Triggering Training For Ethernet Channels To Support Energy Efficient Ethernet Networks - An Ethernet link may comprise one or more link partners that may be communicatively coupled via one or more silent channels. One or more circuits and/or parameters corresponding to silent channels may be retrained, refreshed and/or updated based on various triggers, for example, fixed times, periodic or aperiodic time intervals, random or pseudorandom timer, events, link statistics, physical conditions such as noise, temperature level, cable type and/or cable length, communication from a corresponding link partner and/or based on programming from, for example, a layer above the physical layer. The retraining, refreshing and/or parameter updating may occur for one or more of an echo canceller, a far-end crosstalk canceller and a near-end crosstalk canceller corresponding to the one or more silent channels. Subsequent to the retraining, refreshing and/or parameter updating, the one or more silent channels may be activated and/or may remain silent. | 04-16-2009 |
| 20090097391 | Method And System For Monitoring And Training Ethernet Channels To Support Energy Efficient Ethernet Networks - An Ethernet link may comprise a plurality of active and/or silent channels. Training of one or more link partners for one or more silent channels may be triggered based on monitoring training parameters for an active channel. The link partners may be trained for the silent channels and link partners corresponding to the silent channels may be configured according to the training. Training parameters for an active channel may be compared to a threshold or relative change value. The threshold or relative change value may be fixed, may be based on measurement results and/or may be programmable. The link partners may be configured for silent channels for an echo canceller, a far-end crosstalk canceller and/or a near-end crosstalk canceller. The silent channels may be trained based on transmitting a pulse or LDPC frame via the silent channels. | 04-16-2009 |
| 20090097392 | Method And System For Monitoring Activity Of A Remote Link Partner To Trigger Training Of Ethernet Channels To Support Energy Efficient Ethernet Networks - It may be determined via monitoring whether a first link partner and/or a second link partner coupled via an Ethernet link has trained or refreshed circuitry and/or has updated at least one parameter. Based on the determination, a corresponding link partner may be trained, refreshed and/or updated. One or more of an echo canceller, a far-end crosstalk canceller and a near-end crosstalk canceller for one or more channels may be configured based on the training, refreshing and/or updating. One or more channels may be silent and/or one or more may be active. Link partners may communicate via one or more of in-band signaling, out-of-band signaling to determine which link partner may monitor and/or which may control or initiate operation. The controlling link partner may be assigned a master mode of operation. Training, refreshing and/or updating for the monitoring link partner may be based on a timer. | 04-16-2009 |
| 20090097393 | Method And System For Dynamically Determining When To Train Ethernet Link Partners To Support Energy Efficient Ethernet Networks - Training, refreshing and/or updating Ethernet link partners for silent channels and/or silent directions of channels may be determined based on control parameters. This may be used to improve energy efficiency in Ethernet communication. Control parameters may comprise a default value and/or may be determined based on prior training, refreshing and/or updating. New values for the control parameters may be generated based on a magnitude of change between current and prior control parameter values or based on performance such as bit error rate. User input may be utilized to determine when to execute the training, refreshing and/or updating. The training, refreshing and/or updating may be done for one or more of a near-end crosstalk canceller, alien near-end crosstalk canceller, far-end crosstalk canceller, alien far-end crosstalk canceller and echo canceller. After the training, refreshing and/or updating, the silent channels may transition to active and/or may remain silent. | 04-16-2009 |
| 20090097401 | METHOD AND SYSTEM FOR CONFIGURABLE DATA RATE THRESHOLDS FOR ENERGY EFFICIENT ETHERNET - Aspects of a method and system for programmable data rate thresholds for energy efficient Ethernet are provided. In this regard a data rate for communicating over a network link may be selected from a list of permissible data rates, where the list of permissible data rates may be determined based on traffic associated with the network link. Each of the permissible data rates may be determined based on, for example, past and/or expected traffic on the link, a type of traffic associated with the link, and/or one or more applications associated with the link. The selected data rate may be achieved by controlling a number of physical channels of the link that are utilized for communications over the link, voltage and/or current levels utilized for signaling on the link, a signal constellation utilized for representing data on the link, and/or an inter-frame gap or inter-packet gap utilized on the link. | 04-16-2009 |
| 20090097427 | METHOD AND SYSTEM FOR MANAGING AN ENERGY EFFICIENT NETWORK UTILIZING AUDIO VIDEO BRIDGING - Aspects of a method and system for managing an energy efficient network utilizing Audio Video Bridging are provided. In this regard, an Audio Video Bridging timeslot may be designated for handling an energy efficient networking (EEN) transaction and the EEN transaction may be performed during the designated timeslot. Exemplary EEN transactions comprise scheduling a data rate transition, transitioning to a different data rate, training a link partner, and exchanging training related information. It may be determined whether the timeslot may be reserved for conveying an AVB stream prior to designating the time slot for an EEN transaction. In instances that the timeslot may be unreserved, the timeslot may be reserved for EEN transaction(s). Information exchanged during the designated timeslot may enable scheduling a data rate transition and/or training on a network link. In this regard, a subsequent timeslot may be designated for the data rate transition and/or the training. | 04-16-2009 |
| 20090097442 | METHOD AND SYSTEM FOR UTILIZING A RESERVED CHANNEL TO MANAGE ENERGY EFFICIENT NETWORK PROTOCOLS - Aspects of a method and system for utilization of a reserved and/or out of band channel for managing a data rate of an Ethernet channel are provided. In this regard, a data rate of a network link may be managed via traffic communicated over a reserved and/or out of band channel on said network link. The reserved and/or out of band channel may be an auxiliary channel established in the IEEE 802.11AN standard. Traffic communicated over the reserved and/or out of band channel may enable negotiating a data rate for the link, scheduling a change in the data rate on the link, exchanging link state information, configuring a number of active physical channels on the link, configuring a signal constellation utilized for representing data on said the link, configuring an inter-frame or inter-packet gap, and/or configuring signal levels utilized for signaling on the link. | 04-16-2009 |
| 20090097481 | METHOD AND SYSTEM FOR CONFIGURABLE DATA RATE VIA INTER-PACKET GAP ADJUSTMENT TO SUPPORT ENERGY EFFICIENT NETWORKS - Aspects of a method and system for programmable data rate thresholds for configurable data rate via inter-packet gap adjustment to support energy efficient networks. In this regard, an inter-packet gap may be adjusted to control a data rate on an Ethernet link. An IPG may be adjusted such that a data rate on a network link may be communicated at a non-standardized rate suited to an audio and/or video stream. An IPG may be adjusted such that data is communicated over the link at a standardized rate. In this regard, adjusting the IPG may compensate for a non-standardized data rate resulting from altering other parameters of the link. The IPG may be adjusted based on a control policy which may govern data rates on a network link. Each of a plurality of inter-packet gaps may be differently adjusted to achieve a desired average data rate on the link. | 04-16-2009 |
| 20090097500 | METHOD AND SYSTEM FOR UTILIZING A RESERVED AND/OR OUT OF BAND CHANNEL FOR MAINTAINING A NETWORK CONNECTION - Aspects of a method and system for utilization of an reserved and/or out of band channel for maintaining a network connection are provided. In this regard, information relating to training of one or more link partners communicatively coupled to an Ethernet link may be exchanged via a reserved and/or out of band channel on the Ethernet link. The reserved and/or out of band channel may be an auxiliary channel as specified by the IEEE802.1AN standard. The reserved and/or out of band channel may be utilized for scheduling training of one or more of the link partners, determining which of the link partners require training, synchronizing training of the link partners, training the link partners based on changes in environmental conditions. The training may comprise configuring an echo canceller a far-end crosstalk canceller, and/or a near-end crosstalk canceller. | 04-16-2009 |
| 20090100274 | SYSTEM AND METHOD FOR IMPLEMENTING FAIRNESS IN THE POWERING OF COMPUTING DEVICES IN A POWER OVER ETHERNET APPLICATION - A system and method for implementing fairness in the powering of computing devices in a power over Ethernet (PoE) application. Power supplies in a power sourcing equipment are often oversubscribed. This oversubscription can lead to starvation of certain computing devices that have power requests that are not granted relative to competing requests. A fairness consideration can be implemented to ensure that starvation conditions are avoided. | 04-16-2009 |
| 20090135032 | DUAL PURPOSE SERIALIZER/DE-SERIALIZER FOR POINT-TO-POINT AND POINT-TO-MULTIPOINT COMMUNICATION - A dual purpose serializer/de-serializer (SerDes) for point-to-point and point-to-multipoint communication. A configurable SerDes can be designed to operate in one of a plurality of operating modes. Selection between the plurality of operating modes can be based on information received via a management interface. In one example, the various operating modes can be defined with different locking times and jitter characteristics. | 05-28-2009 |
| 20090146852 | MULTI-SPEED BURST MODE SERIALIZER/DE-SERIALIZER - A multi-speed burst mode serializer/de-serializer (SerDes). A configurable SerDes can be designed to operate in one of a plurality of operating modes. The plurality of operating modes correspond to the reception of signals from optical network units that operate at different nominal speeds. | 06-11-2009 |
| 20090152943 | METHOD AND SYSTEM FOR VEHICULAR POWER DISTRIBUTION UTILIZING POWER OVER ETHERNET - Aspects of a method and system for vehicular power distribution utilizing power over Ethernet are provided. In this regard, power may be distributed via one or more Ethernet links to one or more devices of a vehicular electronics network, where the Ethernet links may also communicate multimedia and/or control information to and/or from the devices. Power may be distributed to devices of the vehicular electronics network in accordance with power over Ethernet standards. At least one component in the vehicular electronics network may operate as power supplying equipment (PSE). At least one component in the vehicular electronics network may operate as a powered device (PD). At least one component in the vehicular electronics network may operate as a powered device. An amount of power distributed to one or more of the devices may be determined based on a power classification of the one or more devices. | 06-18-2009 |
| 20090154350 | METHOD AND SYSTEM FOR CONTROLLING A CLOCK FREQUENCY IN A NETWORK DEVICE BASED ON AGGREGATE THROUGHPUT OF THE DEVICE - Aspects of a method and system for controlling a clock frequency in a network device based on aggregate throughput of the device are provided. In this regard, for a network device comprising one or more network ports, a limit on aggregate throughput of the device during a time interval may be determined and an operating frequency of a clock within the network device may be controlled based on the determined limit on aggregate throughput. The limit on aggregate throughput may be determined based on past, present, and/or expected traffic patterns; how many of the device's network ports are active during the time interval, a data rate at which each of the active network ports operates during the time interval; a type of data communicated via the network ports; and/or one or more applications running on the network device during the time interval. | 06-18-2009 |
| 20090154355 | METHOD AND SYSTEM FOR DUTY CYCLING PORTIONS OF A NETWORK DEVICE BASED ON AGGREGATE THROUGHPUT OF THE DEVICE - Aspects of a method and system for duty cycling a network device based on aggregate throughput of the device are provided. In this regard, a limit on aggregate ingress and egress data of a network device during a time interval may be determined. Processing of data by the network device may be duty cycled based on the determination. The device may process data at a first rate during a first portion of the time interval and process data at a second rate during a remaining portion of the time interval. In this regard, portions of the device may be slowed or powered down during the first portion of the time interval. Power consumed by the device during the first portion of the time interval may be less than power consumed by the device during the remaining portion of the time interval. | 06-18-2009 |
| 20090154365 | Method And System For Simplex Or Duplex Transmission Mode Of An Ethernet Link In An Energy Efficient Network - Ethernet link partners within an Ethernet network, coupled via an Ethernet link comprising one or more channels may be configured to operate in simplex mode based on determined condition(s) during communications via the one or more channels. The determined condition(s) may comprise utilization or load, current/past conditions and/or link statistics that may comprise one or more of packet error rate (PER), bit error rate (BER), and/or signal to noise ration (SNR). In addition, one or more of the channels may be transitioned to a lower power mode with a zero data rate. In some embodiments of the invention, one or more of a plurality of operational changes may occur during simplex mode operation. For example, power may lowered for one or more components that enable communication such as receivers, transmitters, near-end cross talk cancellers, far-end cross talk cancellers and/or echo cancellers. | 06-18-2009 |
| 20090154455 | Method And System For Near Continuous Data Rate Limit Adjustment Via A Plurality Of Link Variables In An Energy Efficient Network - Aspects of a method and system for near continuous data rate limit adjustment via a plurality of link variables in an energy efficient network. In this regard, power consumption of a network device may be controlled by enabling and/or disabling one or more components in the network device based on an adjustment of a plurality of data rate variables that control a data rate limit at which the network device may communicate. Exemplary data rate variables may comprise a number of active channels of a network link over which the network device communicates, a symbol rate on an Ethernet link over which said network device communicates, an inter-frame gap time on an Ethernet link over which said network device communicates, a signal constellation utilized for representing signals on an Ethernet link over which said network device communicates. | 06-18-2009 |
| 20090154465 | Method And System For Asymmetric Operation In A Network Node In An Energy Efficient Ethernet Network - An Ethernet network comprising multi-rate link partners that may be operable to communicate symmetrically and/or asymmetrically via any of a plurality of channels. The multi-rate link partners may monitor one or more factors that may affect their power consumption and/or energy efficiency. During operation, an uplink and/or downlink communication rate may be configured, based on the monitoring, to enable asymmetrical data rate operation. The monitored factors may comprise prior or current data rates, bit error rate, packet error rate, latency, queued data and/or tasks, for example. The multi-rate link partners may comprise a twisted pair PHY, an optical PHY or a backplane PHY. In order to reduce power consumption and/or improve energy efficiency, one or more of the uplink communication rate and/or the downlink communication rate may be lowered. The power consumption may be reduced for a multi-rate PHY, a host computer and/or a MAC controller. | 06-18-2009 |
| 20090154467 | Method And System For Asymmetric Transition Handshake In An Energy Efficient Ethernet Network - Multi-rate link partners coupled via an Ethernet link may be configured to implement an asymmetric handshake wherein a change of rate in a first direction may be independent of delay that may occur when implementing a change of rate in a second direction. A rate change may be delayed based on a known time delay for configuring a link partner. A change in rate in the first direction may not be delayed by data transmissions in the second direction. Rate changes may be managed via physical layer control characters, physical layer out of band channel and/or packets generated from a layer above the physical layer. Control characters may be transmitted during inter-packet gaps and/or within a packet stream. Data rates may be transitioned from a full rate, intermediate rate or a rate of zero to a full data rate, intermediate rate or a rate of zero. | 06-18-2009 |
| 20090154473 | METHOD AND SYSTEM FOR INDICATING A TRANSITION IN RATE AND/OR POWER CONSUMPTION UTILIZING A DISTINCT PHYSICAL PATTERN ON ONE OR MORE IDLE CHANNEL(S) - An Ethernet network may comprise multi-rate link partners that may be coupled via an Ethernet link. The Ethernet link may comprise a plurality of channels wherein one or more may be silent and/or idle channels set to a low(er) power that may enable energy efficiency. Silent channels may be utilized for transmitting signals comprising one or more distinct physical patterns for controlling data rate transitions. For example, symbols may be utilized for generating the distinct physical patterns. The distinct physical patterns may communicate a new data rate, when to transition the data rate, which channel(s) may bear the data rate transition and/or a method for implementing the data rate transition. The method may comprise activating or suspending a data traffic channel, modifying a signal constellation, modifying PAM levels and/or adjusting inter-frame gap. The new data rate may be determined based on past traffic and/or expected traffic on the network link. | 06-18-2009 |
| 20090154490 | METHOD AND SYSTEM FOR DUTY CYCLING A NETWORK PORT BASED ON DUTY CYCLING OF A LINK COMMUNICATIVELY COUPLED TO THE PORT - Aspects of a method and system for duty cycling a network port based on duty cycling of a link communicatively coupled to the port are provided. In this regard, in a network node communicatively coupled to a network link which operates at a plurality of data rates, one or more components of said network node may be cycled through a series of configurations, where a processing capacity and/or a duration of each configuration may be based on the plurality of data rates on the network link. Exemplary components of the node may comprise one or more hybrids, transmitters, receivers, processors, and/or memory elements. The components may be cycled through the series of configurations during each of a series of time intervals. The series of configurations may be based on one or more of a type of data communicated over said network link and an application running on said network node. | 06-18-2009 |
| 20090154491 | Method And System For Negotiating Multiple Data Rate Transitions On An Ethernet Link - An Ethernet network may comprise multi-rate link partners coupled via an Ethernet link wherein a pattern, over time, of offered data rates may be determined. Link partners may establish a communication policy for modifying transmission rates to mimic offered data rates and may vary rates accordingly. The communication control policy may be communicated between nodes via one or more of physical layer control characters, an out of band channel and higher layer protocol packets. An established communication policy may improve energy efficiency and may be dynamically modified, for example, based on link utilization. In this regard, data rates may be symmetrical or asymmetrical with respect to direction of transmission. Moreover, data rates may comprise the offered data rate plus additional bandwidth for head room and may comprise one or more of a full rate, an intermediate rate and/or a rate of zero. Rate transitions may be synchronized among network nodes. | 06-18-2009 |
| 20090154492 | Method And System For A Distinct Physical Pattern On An Active Channel To Indicate A Data Rate Transition For Energy Efficient Ethernet - Aspects of a method and system for a distinct physical pattern on an active channel to indicate a data rate transition for energy efficient Ethernet. In this regard, one or more distinct physical patterns may be transmitted on one or more active channels of a network link during an inter-packet gap to control a data rate on the link. The unique physical pattern may be transmitted instead of or in addition to one or more IDLE symbols. The distinct physical pattern may communicate a data rate to be utilized on the link and/or indicate when a data rate transition should occur on the link. The distinct pattern may be transmitted and/or the data rate transition may occur during a specified inter-packet gap or during a specified packet boundary. The distinct physical pattern may comprise one or more control characters and/or an ordered set of voltage levels, symbols, and/or characters. | 06-18-2009 |
| 20090154500 | Method And System For Energy Efficient Signaling For 100MBPS Ethernet Using A Subset Technique - Aspects of a method and system for energy efficient signaling for 100 mbps Ethernet using a subset are provided. In this regard, a network device enabled to communicate over a network link at 1 Gbps or faster may be configured to communicate over the network link at, or approximately at, 100 Mbps by reducing a number of active channels over which the network device communicates and/or reducing a size of a signal constellation utilized by the network device to encode data. The device may communicate according to 1GBASE-T or 10GBASE-T standards. The number of active channels may be reduced to a single bidirectional channel or two unidirectional channels. The signal constellation may be reduced to two or three levels. One or more components of the network device may be unnecessary for recovering data when communicating at 100 Mbps and may thus be powered down, or placed into a lower power mode. | 06-18-2009 |
| 20090154593 | METHOD AND SYSTEM FOR SUPPORTING A VARIABLE AND ENERGY EFFICIENT DATA RATE USING A DUTY CYCLING TECHNIQUE AND MULTIPLE POWER STATES ON AN ETHERNET LINK - Aspects of a method and system for supporting a variable and energy efficient data rate using a duty cycling technique and multiple power states on an Ethernet link are provided. In this regard, a data rate on a network link may be duty cycled based on characteristics of data communicated over it. The network link may operate at a first data rate for a first portion of the time interval and may operate at a second data rate for a second portion of the time interval. The duration of each portion of the time interval and/or the data rate during each portion of the time interval may be adjusted to control the duty cycling. Power consumed in a device connected to the network link may be controlled based on the duty cycling of the link. | 06-18-2009 |
| 20090158360 | METHOD AND SYSTEM FOR A CENTRALIZED VEHICULAR ELECTRONICS SYSTEM UTILIZING ETHERNET WITH AUDIO VIDEO BRIDGING - Aspects of a method and system for a centralized vehicular electronics system utilizing Ethernet with audio video bridging are provided. In this regard, electronic devices in a vehicle may be communicatively coupled via one or more Ethernet links and information may be communicated between the electronic devices over the Ethernet link(s) utilizing audio video bridging. At least one of multimedia, control, diagnostic, and sensory information between the electronic devices. Accordingly, resources on the one or more Ethernet links may be reserved via AVB to give priority to one of multimedia, control, diagnostic, and sensory information. Information communicated between the devices may be secured utilizing MACsec and related protocols. The electronic devices may comprise two or more network ports and may be enabled to forward packets between the two or more ports. The Ethernet links may comprise optical and/or copper cabling. | 06-18-2009 |
| 20090158377 | Method And System For Utilizing A Single Connection For Efficient Delivery Of Power And Multimedia Information - Aspects of a method and system for utilizing a single connection for efficient delivery of power and multimedia information are provided. In this regard, power supplied and/or received over a network link may be controlled based on multimedia content communicated over the network link. The multimedia content may be converted to and/or from Ethernet frames for communication over the network link utilizing audio video bridging. The multimedia content may be raw video or may be formatted according to, for example, HDMI or DisplayPort specifications. The power supplied may be controlled by selecting one of a plurality of power classes. The selection of power class may be based on resolution of the multimedia content, whether the multimedia comprises audio and/or video, and/or based on latency targets. | 06-18-2009 |
| 20090164805 | SYSTEM AND METHOD FOR ENABLING POWER OVER ETHERNET FOR LEGACY DEVICES - A system and method for enabling power over Ethernet (PoE) for legacy devices. Legacy devices often represent a large installed base of devices. This installed base of devices (e.g., mobile computing devices) may have little or no PoE functionality. It is a feature of the present invention that an external device (e.g., dongle) can be used to retrofit such an installed base of devices for use with state of the art PoE functionality. | 06-25-2009 |
| 20090185565 | SYSTEM AND METHOD FOR USING SEQUENCE ORDERED SETS FOR ENERGY EFFICIENT ETHERNET COMMUNICATION - A system and method for using sequence ordered sets for energy efficient Ethernet communication. Sequence ordered sets can be generated by a first device for communication of parameter(s) to a second device, which parameters can be used in implementing an energy efficient Ethernet control policy. Sequence ordered sets can be used in communication between physical layer devices, or between a physical layer device and a media access control device. In one example, the sequence ordered set can identify a point at which a rate transition is to occur. | 07-23-2009 |
| 20090187778 | SYSTEM AND METHOD FOR REDUCING POWER CONSUMPTION DURING PERIODS OF LOW LINK UTILIZATION - A system and method for reducing power consumption during periods of low link utilization. A single enhanced core can be defined that enables operation of subset of parent physical layer devices (PHYs). The subset and parent PHYs can have a fundamental relationship that enables synchronous switching between them depending on the link utilization state. | 07-23-2009 |
| 20090195080 | POWER OVER ETHERNET POWER SOURCING EQUIPMENT ARCHITECTURE FOR VARIABLE MAXIMUM POWER DELIVERY - A power over Ethernet (PoE) power sourcing equipment (PSE) architecture for variable maximum power delivery. PoE PSE subsystems rely on some control to “turn on” a power field effect transistor (FET), which allows current to be transmitted to a powered device (PD). A hybrid approach is provided where an internal FET can be augmented with an external FET to provide an architecture that can be flexibly applied to applications with various space, cost and cooling limitations. The maximum delivered power can also be boosted with the addition of an external FET to the internal FET. | 08-06-2009 |
| 20090201837 | SYSTEM AND METHOD FOR CARRIER DEFERRAL FOR FULL DUPLEX ENERGY EFFICIENT ETHERNET PHYS - A system and method for carrier deferral for full duplex energy efficient Ethernet (EEE) physical layer devices (PHYs). A carrier deferral signal can be asserted to a media access control layer to indicate to the media access control (MAC) layer that transmission of data is to be deferred due to a power savings initiative in the physical layer device. In one example, the carrier deferral signal is used when a PHY is awakened by the MAC when the MAC has something to transmit. In another example, the carrier deferral signal is used when a PHY is switching link rates. | 08-13-2009 |
| 20090204827 | SYSTEM AND METHOD FOR ENERGY SAVINGS ON A PHY/MAC INTERFACE FOR ENERGY EFFICIENT ETHERNET - A system and method for energy savings on a PHY/MAC interface for energy efficient Ethernet. Power savings for a PHY due to low-link utilization can also be realized in the higher layer elements that interface with the PHY. In one embodiment, subrating is implemented on a MAC/PHY interface to match a subrating of the PHY with a remote link partner. This subrating is less than the full capacity rate and can be zero. | 08-13-2009 |
| 20090204828 | HYBRID TECHNIQUE IN ENERGY EFFICIENT ETHERNET PHYSICAL LAYER DEVICES - A hybrid technique in energy efficient Ethernet (EEE) physical layer devices (PHYs). A hybrid approach is defined that combines multiple low power modes. In one embodiment, the hybrid approach uses low power idle (LPI) and subset PHY techniques that can be selectively activated. | 08-13-2009 |
| 20090204836 | SYSTEM AND METHOD FOR USING A LINK ENERGY SIGNAL IN A PHYSICAL LAYER DEVICE HAVING A SILENT CHANNEL/INTERFACE IN ENERGY EFFICIENT ETHERNET - A system and method for using a link energy signal in physical layer devices (PHYs) having a silent channel/interface in energy efficient Ethernet (EEE). LPI modes in EEE suffer deficiencies in cable unplug detection due to the latency in refresh cycles. LPI modes in EEE also suffer from potential frequency drift, which leads to high bit error rate (BER) when coming out of LPI mode. A link energy signal transmitted during LPI modes enables real-time detection of cable unplug and the frequency lock to be maintained. | 08-13-2009 |
| 20090207057 | Dual Purpose Serializer/De-Serializer for Point-To-Point and Point-To-Multipoint Communication - A dual purpose serializer/de-serializer (SerDes) for point-to-point and point-to-multipoint communication. A configurable SerDes can be designed to operate in one of a plurality of operating modes. Selection between the plurality of operating modes can be based on information received via a management interface. In one example, the various operating modes can be defined with different locking times and jitter characteristics. | 08-20-2009 |
| 20090217062 | SYSTEM AND METHOD FOR COMMUNICATING INFORMATION RELATING TO POWERED DEVICE POWER INTERRUPTION AND ASSOCIATED POWER SOURCING EQUIPMENT FALLBACK POWER - A system and method for communicating information relating to powered device (PD) power interruption and associated power sourcing equipment (PSE) fallback power. A PD can be powered using a primary local power source and a secondary power over Ethernet (PoE) power source. The PD communication can provide information that relates to PSE power delivery to the PD that is contingent upon detection of a failure occurring at the powered device. | 08-27-2009 |
| 20090217088 | POWER OVER ETHERNET POWERED DEVICE WITH POWER FALLBACK STATES - A power over Ethernet (PoE) powered device with power fallback states. A powered device can be powered using a primary local power source and a secondary PoE power source. To enable consistent behavior by the powered device, a controlled power fallback state can be defined that would ensure limited functionality in the powered device upon a failure of the primary local power source. For example, the limited functionality could include a communication channel to the switch, diagnostic circuitry, etc. | 08-27-2009 |
| 20090235093 | SYSTEM AND METHOD FOR POWER SOURCING EQUIPMENT DETECTION OF A POWERED DEVICE POWER FAILURE FOR POWER BACKUP - A system and method for power sourcing equipment (PSE) detection of a powered device (PD) power failure for power backup. A PSE can power a PD at a low level of power as a backup power source. Upon a failure in the PDs primary power source, the PSE can detect a transient (e.g., current and/or voltage) on the PD load as a signal that the PD requires additional power. The PSE can then allocate increased power to the port by entering into an active state as compared to a backup state. As the PSE is responsive to the detection of the transient, the PSE need not rely on a real-time communication from the PD. | 09-17-2009 |
| 20090235094 | SYSTEM AND METHOD FOR USING AN ETHERNET PHYSICAL LAYER DEVICE TO IDENTIFY CABLING TOPOLOGIES - A system and method for using an Ethernet physical layer device to identify cabling topologies. A power sourcing equipment (PSE) can power independent powered devices (PDs) using two sets of wire pairs in a single four-pair cable. Higher power PSEs can power a single PD using all four wire pairs in the cable. Conventional power over Ethernet (PoE) analog techniques (i.e., voltage, current, etc.) have a difficult time distinguishing where the wire pairs are going from the PSE. By using information (e.g., negotiated speed, link energy, distance diagnostic, etc.) generated by the physical layer device (PHY) subsystem, the PoE system can determine whether the two sets of wire pairs in a cable are powering a single PD or two independent PDs. | 09-17-2009 |
| 20090248918 | METHOD AND SYSTEM FOR A USB ETHERTYPE TO TUNNEL USB OVER ETHERNET - Aspects of a method and system for USB Ethertype to tunnel USB over Ethernet are provided. In this regard, Ethernet frames comprising USB traffic may be identified via one or more headers in the Ethernet frames and the USB traffic may be processed according to the identification. In this regard, USB traffic and general Ethernet traffic may be multiplexed into egress frames based on the identification. Similarly, ingress Ethernet frames may be demultiplexed into USB traffic and general traffic based on the identification. Headers utilized to identify and/or route USB traffic and general traffic may comprise Ethertype and/or subtype fields. The subtype field may comprise information pertaining to a USB bus to which the traffic belongs and/or a version of the USB standard to which the traffic adheres. | 10-01-2009 |
| 20090249112 | TRIGGERED RESTART MECHANISM FOR FAILURE RECOVERY IN POWER OVER ETHERNET - A triggered restart mechanism for failure recovery in power over Ethernet (PoE). Powered devices (PDs) that fail can be remotely recycled by a power sourcing equipment (PSE). After detection of a failure of a PD, such as by the failure to receive a status message, a PSE can generate a reset signal (e.g., power cycle, reset pulse, etc.) on the port. This reset signal can cause the PD to perform a full power cycle or quick restart. | 10-01-2009 |
| 20090257457 | METHOD AND SYSTEM FOR MAC AND PHY SYNCHRONIZATION FOR ENERGY EFFICIENT NETWORKING - Aspects of a method and system for MAC and PHY synchronization for energy efficient networking are provided. In this regard, an interface that enables communication between a MAC controller and a PHY device may be configured to operate in an energy saving mode. While the interface is operating in an energy saving mode, synchronization between the MAC controller and the PHY device may be maintained by one or both of adjusting a clock generated for the interface and/or communicating dummy data via the interface. The clock may be adjusted by one or more of adjusting a frequency of the clock, adjusting an amplitude of the clock, and/or duty cycling the clock. The MAC controller and/or the PHY device may generate the dummy data. The PHY device and/or the MAC controller may discard the dummy data upon receiving the dummy data. | 10-15-2009 |
| 20090261997 | Multi-Speed Burst Mode Serializer/De-Serializer - A multi-speed burst mode serializer/de-serializer (SerDes) is configurable and can operate in one of a plurality of operating modes. The plurality of operating modes correspond to the reception of signals from optical network units that operate at different nominal speeds. These various modes of operation can enable a single SerDes design to apply to a variety of speeds and network configurations (e.g., point-to-point or point-to-multipoint). In one example, the design can be initially configured for operation with a single ONT or a network of ONTs at a single speed, or can be dynamically configured during operation for use with a network of ONTs operating at different speeds. | 10-22-2009 |
| 20090327506 | SYSTEM AND METHOD FOR CONTROLLING A PHY ATTACHED TO A MAC INTERFACE FOR ENERGY EFFICIENT ETHERNET - A system and method for controlling a physical layer device attached to a media access control interface for energy efficient Ethernet. Detecting of a condition that is conducive to a change in a link rate can be performed at either link partner. In one embodiment, a control message based on the detection can be sent to a physical layer device via a media access control layer interface to effect a link rate change in the physical layer device. | 12-31-2009 |
| 20100005322 | High Speed Isolation Interface for PoE - A high speed isolation interface which can be used to enable high speed communications between the isolated side and the wire side in a PoE system is provided. The high speed isolation interface may implement an Ethernet or non-Ethernet based signaling scheme. The high speed isolation interface can be used within both PSE (endspan or midspan) and PD systems, including single port and multi-port PSE and PD systems. Further, the high speed isolation interface is usable within pre-standard PoE, 802.3af PoE, and 802.3at PoE systems. The high speed isolation interface may also be used within 2-pair PoE (Alternative A) and 4-pair PoE (Alternative B) systems. | 01-07-2010 |
| 20100019752 | SYSTEM AND METHOD FOR ENABLING POWER APPLICATIONS OVER A SINGLE COMMUNICATION WIRE PAIR - A system and method for enabling power applications over a single communication wire pair. In one embodiment, a data transformer is provided that has three separate windings. Two of the windings are tied to each other via high frequency pass DC-blocking capacitors, or another suitable element that creates an AC path while providing a DC block, such that the voltage forms on either ends of the DC-blocking capacitors and the signal is sent on the outer legs of each winding. A circuit measures the current draw (I) and injects a current proportional to, but smaller than, I into a third bias cancellation winding. | 01-28-2010 |
| 20100023658 | SYSTEM AND METHOD FOR ENABLING LEGACY MEDIUM ACCESS CONTROL TO DO ENERGY EFFICENT ETHERNET - A system and method for enabling legacy media access control (MAC) to do energy efficient Ethernet (EEE). A backpressure mechanism is included in an EEE enhanced PHY that is responsive to a detected need to transition between various power modes of the EEE enhanced PHY. Through the backpressure mechanism, the EEE enhanced PHY can indicate to the legacy MAC that transmission of data is to be deferred due to a power savings initiative in the EEE enhanced PHY. | 01-28-2010 |
| 20100023784 | Power Delivery Over Ethernet Cables - A method for power delivery comprises coupling an Ethernet cable comprising four wire pairs to a power delivery system and providing power to a powered device on all of the wire pairs. A power delivery system includes an interface operable to couple to an Ethernet cable comprising four wire pairs and a controller operable to provide power to a powered device on all of the wire pairs. | 01-28-2010 |
| 20100023785 | Unified Bus Architecture for PoE Communication and Control - Embodiments of a unified communication and control bus architecture for Ethernet and/or PoE systems are provided. Embodiments enable a unified communication and control bus architecture that significantly simplifies communication and control in Ethernet and/or PoE systems. Embodiments enable significant savings both in terms of cost and complexity as the number of communication and control buses is reduced down to one. Embodiments can be used in various Ethernet and/or PoE implementations, including, for example, single PCB-single PoE, single PCB-multiple PoE, chassis-based switch, and stackable-based switch configurations. Further, embodiments can be implemented using standard Ethernet as well as proprietary implementations. | 01-28-2010 |
| 20100042853 | METHODS AND APPARATUS FOR PROVISIONING PHANTOM POWER TO REMOTE DEVICES - An apparatus provisions power from a power budget to remote devices configured to obtain phantom power. The apparatus includes, among other things, a controller which is configured to identify a power demand for a remote device (e.g., a power demand based on an actual cable loss), and generate a comparison between the power demand for the remote device and the power budget of the apparatus. The controller is further configured to allocate power from the power budget provided by the power supply to the remote device when the comparison indicates that the power budget supports the power demand for the remote device, and reject allocation of power from the power budget to the remote device when the comparison indicates that the power budget does not support the power demand for the remote device. | 02-18-2010 |
| 20100052642 | SYSTEM AND METHOD FOR USING A PHY'S DISCOVERY OF CABLE SHIELDING FOR POWER OVER ETHERNET CURRENT CAPACITY SETTING AND TEMPERATURE DE-RATING - A system and method for using a physical layer device's discovery of cable shielding for PoE current capacity setting and temperature de-rating. Headroom in a particular cable installation is increased when it is determined that the physical layer device is coupled to a shielded cable, which more effectively removes heat from a bundled cable. By the determination of the type of cabling, the current capable of being carried over the cable can be increased and/or the temperature de-rating decreased due to the removal of limitations of worst-case cable assumptions. | 03-04-2010 |
| 20100067372 | SYSTEM AND METHOD FOR USING AN ALTERNATIVE WIRE PAIR FOR COMMUNICATION ON INITIAL WIRE PAIR FAILURE - A system and method for using an alternative wire pair for communication on initial wire pair failure. Upon detection of a failure in a wire pair, an alternative set of one or more wire pairs can be used to support the Ethernet communication. In one embodiment, the alternative wire pairs are kept in a hot standby mode to enable almost instantaneous switching. In another embodiment, an enhanced autonegotiation process is used to automatically identify the alternative set of wire pairs that can support the Ethernet communication. | 03-18-2010 |
| 20100077239 | System and Method for Controlling Power Delivered to a Powered Device Based on Cable Characteristics - A system and method for discovering a cable type and resistance for Power over Ethernet (PoE) applications. Cabling power loss in PoE applications is related to the resistance of the cable itself. A PHY can be designed to measure electrical characteristics (e.g., insertion loss, cross talk, length, etc.) of the Ethernet cable to enable determination of the cable resistance. The determined resistance can be used in powering decisions and in adjusting power budgets allocated to power source equipment ports. | 03-25-2010 |
| 20100080111 | METHOD AND SYSTEM FOR ETHERNET SWITCHING, CONVERSION, AND PHY OPTIMIZATION BASED ON LINK LENGTH IN AUDIO/VIDEO SYSTEMS - Aspects of a method and system for Ethernet Switching, Conversion, and PHY optimization based on link length in Audio/Video Systems are provided. In this regard, the length of a link over which a first communication device communicates with a second communication device may be determined and Ethernet PHY's residing in the communication devices may be configured based on the determination. One or both of the communication devices may comprise an Ethernet switch operable to switch packetized audio and/or video content. The packetized audio and/or video may be switched between the configured Ethernet PHY and one or more other Ethernet PHYs. Audio and/or video data may be received via the one or more corresponding Ethernet PHYs, the received audio and/or video data may be reformatted to be compatible with an audio and/or video interface, and the reformatted audio and/or video data may be transmitted via the audio and/or video interface. | 04-01-2010 |
| 20100083022 | SYSTEM AND METHOD FOR POWER OVER ETHERNET CONFIGURATION FOR A POWER SOURCING EQUIPMENT USING A NETWORK PROFILE - A system and method for power over Ethernet (PoE) configuration for a power sourcing equipment using a network profile. Various types of PSE profile information can be stored in a network database. Upon startup or other configuration setting state, a PSE can retrieve the profile information from the network database and configure its operation based upon such retrieval. Remote configuration of the PSE is thereby enabled. | 04-01-2010 |
| 20100110952 | METHOD AND SYSTEM FOR LOW LATENCY STATE TRANSITIONS FOR ENERGY EFFICIENCY - Aspects of a method and system for physical layer control of low latency state transitions for energy efficiency. In this regard, a determination may be made to reconfigure a network device from an energy saving mode of operation to a higher performance mode of operation. A first portion of the network device may be reconfigured prior to sending an indication of the reconfiguration to a link partner, and a remaining portion of the network device may be reconfigured after sending the indication. The link partner may begin reconfiguration from an energy saving mode of operation to higher performance mode of operation upon receiving the indication. The energy saving mode may comprise a low power idle (LPI) or a subset PHY mode. The reconfiguration may comprise allocating memory to, and/or de-allocating memory from, buffering received and/or to-be-transmitted data. | 05-06-2010 |
| 20100111081 | Method And System For Physical Signaling Between A Higher Layer And A PHY To Manage Energy Efficient Network Devices And/Or Protocols - In an Ethernet network comprising link partners coupled via an Ethernet link, an energy efficient Ethernet network communication control policy may specify a power level mode. Power level control data may be communicated between a PHY and a MAC via an MII, MDIO or a bus that is not specified by 802.3. A device above a MAC layer device may comprise hardware, software and/or firmware that may communicate the control policy to the PHY layer device and/or MAC layer device. Control data may be inserted within an inter-packet gap, a data packet preamble and/or a Q ordered set and/or may be sent via an out-of-band signal. A response to the control data may be sent via an in band path and/or out of band path. Link partners may enter and/or exit a power mode, for example, a low power idle and/or a sub-rate mode based on the communicated control data. | 05-06-2010 |
| 20100115117 | Method And System For Packet Based Signaling Between A MAC And A PHY To Manage Energy Efficient Network Devices And/Or Protocols - In an Ethernet network comprising link partners that are coupled via an Ethernet link, an energy efficient network (EEN) communication control policy may be established above a MAC layer. The EEN control policy may determine a power level mode of operation for the link partners. Power level mode control data may be communicated from hardware, software and/or firmware of upper layer protocols to PHY devices. The control data may specify when, where and/or how long to implement the power level mode. The control data may be communicated via a “magic” packet comprising start and/or end of frame delimiters and bits that indicate the power level mode. The PHY devices may detect, parse and/or interpret the “magic” packet and may enter and/or exit a lower power mode of operation. The PHY devices may respond to by generating a magic packet to upper layers. | 05-06-2010 |
| 20100115295 | Method And System For Energy Efficient Communication Among One Or More Interfaces In A Communication Path - Network devices coupled via serial and/or parallel interfaces may determine a power level mode of operation according to an energy efficient network communication control policy and may configure one or more of the interfaces for the lower power mode. The network devices may comprise a PHY, a MAC and/or higher layer devices. The interfaces may comprise a XGMII extender, a XAUI and/or a XFI device. The interfaces may comprise a backplane PHY, for example, a 10 GBASE-KR, a 10 GBASE-KX4 and/or a 1 GBASE-KX PHY which may perform FEC. The interfaces may comprise direct attach copper such as SFP+ and/or InfiniBand and/or 10 GBASE-CX4 PHYs. The interfaces may comprise a pluggable transceiver module. Energy efficient network control data may be communicated to and/or from the network devices which may enter and/or exit a lower power mode of operation. | 05-06-2010 |
| 20100115306 | METHOD AND SYSTEM FOR CONTROL OF ENERGY EFFICIENCY AND ASSOCIATED POLICIES IN A PHYSICAL LAYER DEVICE - Aspects of a method and system for physical layer control of energy efficiency and associated policies in a physical layer device. In this regard, operation of a PHY device may be controlled based on one or more energy efficient networking (EEN) control policies executed from within the PHY device. The one or more control policies may enable management of power consumption associated with communication of data via the PHY device. A mode of operation of the PHY device may be selected based on the control policy. One or more components of the PHY device may be reconfigured based on the selected mode of operation. The selected mode of operation may comprise a low power idle (LPI) mode of operation or a subset PHY mode of operation. The control policy may be executed within the PHY device utilizing hardware, software, and/or firmware within the PHY device. | 05-06-2010 |
| 20100115307 | METHOD AND SYSTEM FOR ENERGY EFFICIENT NETWORKING VIA PACKET INSPECTION - Aspects of a method and system for energy efficient networking via packet inspection are provided. In various embodiments of the invention, a network device may include one or more circuits operable to inspect one or both of ingress and/or egress packets in the network device. The one or more processors may be operable to predict traffic in the network device based on the inspection. The one or more processors may be operable to, based on the predicted traffic, control a mode of operation of the network device to manage power consumption in the network device. A downlink path within the network device may be configured based on inspection of packets conveyed along a corresponding uplink path. An uplink path within the network device may be configured based on inspection of packets conveyed along a corresponding downlink path. | 05-06-2010 |
| 20100115316 | METHOD AND SYSTEM FOR MANAGING ENERGY EFFICIENCY OF A NETWORK LINK VIA PLUGGABLE TRANSCEIVER MODULES IN AN ENERGY EFFICIENT NETWORK DEVICE - An Ethernet network may comprise link partners that may be coupled via an Ethernet link. The link partners may comprise pluggable PHY devices. The pluggable PHY devices and/or other link partner devices may determine energy efficient network (EEN) control policies, may select a power level mode and may configure the link partners to operate in the power level mode. Some components may be reconfigured prior to sending an energy efficient network control signal to a link partner and configuring remaining components. Hardware, software and/or firmware may execute the pluggable PHY energy efficient network control policies. Packet data pending delivery may be buffered in the pluggable PHY. The pluggable PHY devices may comprise a MAC and/or a SERDES device. Exemplary form factors for the pluggable PHYs may comprise a SFP, a SFP+, a XENPAK, a X2, a XFP and/or a XPAK. Low power idle mode and/or sub-rate mode may be utilized. | 05-06-2010 |
| 20100153550 | PLUGGABLE DEVICE THAT ENABLES AN ADDITION OF SECURITY FUNCTIONALITY IN A NETWORK - A pluggable device that enables an addition of security functionality in a particular network/application. In one example, MACSec functionality can be incorporated into a small form factor pluggable module. This enables new functionality to be added to a network in an incremental fashion. This results due to the inclusion of circuitry within the pluggable module that supports the new functionality. | 06-17-2010 |
| 20100177648 | METHOD AND SYSTEM FOR STATEFUL NEGOTIATION OF ENERGY EFFICIENT PARAMETERS IN LAYER 2 - A method and system for stateful negotiation of energy efficient parameters in Layer 2 are provided. In this regard, energy efficiency of communications between a first network device and a second network device may be managed via an exchange of information between the network devices and a verification of whether the information is up-to-date prior to utilizing the information. In various embodiments of the invention, the second network device may generate a decision pertaining to implementing one or more energy efficient techniques and the second network device may send a message to the first network device requesting that the first network device implement the decision. The message sent to the first network device may comprise the decision as well as parameter values utilized to generate the decision. The first network device may receive the decision and the parameter values and may determine whether the received parameter values are up-to-date. | 07-15-2010 |
| 20100182991 | METHOD AND SYSTEM FOR PRESERVING CONTENT TIMING ACROSS FEMTOCELL INTERFACES VIA TIMESTAMP INSERTION - Aspects of a method and system for preserving content timing across femtocell interfaces via timestamp insertion are provided. In this regard, a femtocell may receive a first time-stamped packet via a first interface and transcode the time-stamped packet. The femtocell may buffer the transcoded packet based on a time-stamp recovered from the packet and may transmit the buffered transcoded packet via a second interface. One of the first interface and the second interface may utilize the Internet Protocol. One of the first interface and the second interface may be a non-cellular interface and the other interface may be a cellular interface. The femtocell may be operable to generate a timestamp corresponding to a time instant at which a time-stamped packet arrived via the first interface or the second interface. The timestamp may be referenced to a clock within a cellular enabled communication devices communicatively coupled to the femtocell. | 07-22-2010 |
| 20100184405 | USER PROFILE BASED CONTENT DELIVERY BETWEEN A STANDARD HANDSET AND A FEMTOCELL DEVICE - An access device receives content from a broadband IP network to be communicated to a wireless handset over a radio access network (RAN). The access device acquires a user profile utilized in the radio network for the wireless handset. Based on the acquired user profile, the access device determines transmission parameters utilized for communicating the received content to the wireless handset using an air interface protocol over the radio access network. A security level and/or a security protocol, a transcoding mechanism, and/or transmission bit rate are determined based on the acquired user profile. A resolution, transmission bit rate, coding structure, security protocol and/or security level for transmitting the received content to the wireless handset are adjusted based on the acquired user profile. Alternately, the access device is enabled to receive content from the wireless handset using a transmission profile determined based on user profile of the wireless handset. | 07-22-2010 |
| 20100184411 | METHOD AND SYSTEM FOR CONTROLLING DATA DISTRIBUTION VIA CELLULAR COMMUNICATIONS UTILIZING AN INTEGRATED FEMTOCELL AND SET-TOP-BOX DEVICE - Aspects of a method and system for controlling data distribution via cellular communications with an integrated femtocell and set-top-box (IFSTB) device are provided. In this regard, a cellular enabled communication device may detect when it is within cellular communication range of a femtocell. Upon detection of the femtocell, the cellular enabled communication device may communicate instructions to a content source instructing the content source to deliver multimedia content to the femtocell. In instances that multimedia content is already being delivered to the cellular enabled communication device prior to the detection, the instructions from the cellular enabled communication device may instruct the content source to redirect the multimedia content to the femtocell. In this regard, the multimedia content may be delivered from the content source to the cellular enabled communication device via the femtocell. The femtocell may deliver at least a portion of the multimedia content to other communication devices. | 07-22-2010 |
| 20100184414 | METHOD AND SYSTEM FOR PROCESSING AND DELIVERY OF MULTIMEDIA CONTENT BY AN INTEGRATED FEMTOCELL AND SET-TOP-BOX DEVICE - Aspects of a method and system for processing and delivery of multimedia content by an integrated femtocell and set-top-box device are provided. In this regard, a cellular enabled communication device may communicate its capabilities, preferences, and/or settings to an integrated femtocell and set-top-box device, wherein the integrated femtocell and set-top-box device may processes multimedia content for the cellular enabled communication device based on the capabilities, preferences, and/or settings of the cellular enabled communication device. Additionally, the cellular enabled communication device may receive the processed multimedia content from the integrated femtocell and set-top-box device by the cellular enabled communication device. The capabilities, preferences, and/or settings may comprise multimedia processing capabilities, preferences, and/or settings, communication capabilities, preferences, and/or settings, and/or power conditions, preferences, and/or settings. The integrated femtocell and set-top-box device may process the multimedia content to generate a plurality of subset datastreams. | 07-22-2010 |
| 20100184423 | METHOD AND SYSTEM FOR INSTALLATION AND CONFIGURATION OF A FEMTOCELL - Aspects of a method and system for installation and configuration of a femtocell are provided. In this regard, information for configuring a femtocell to operate in a specified location may be received by the femtocell and may be utilized to configure one or more parameters of the femtocell. Once the femtocell is operational the parameters may be updated and/or optimized based on one or both of characterizations of cellular signals and/or information received from a femtocell registry. In this manner the femtocell may be reconfigured utilizing the updated and/or optimized parameters. The one or more parameters may be configured based on attributes of the location in which the femtocell is to operate. The one or more parameters may be configured based on a location, number, and/or coverage area of other femtocells. The parameters may comprise one or more of: power levels, frequency of operation, and/or antenna beam pattern. | 07-22-2010 |
| 20100184431 | Method and System for Registering Femtocells to Provide Service - Aspects of a method and system for registering femtocells to provide service are provided. In this regard, a communication device may be operable to determine a plurality of femtocells within a vicinity of its location. The communication device may be operable to receive information communicated from one or more of the plurality of femtocells, which are managed by a femtocell management entity. One or more of the plurality of femtocells may be selected for transmitting and/or receiving cellular data based on the communicated information. The communicated information may comprise one or more of global navigation system satellite (GNSS) coordinates, an identification number, potential interference, power levels, location, associated communication devices, and/or directionality of antennas of the one or more femtocells. | 07-22-2010 |
| 20100184450 | METHOD AND SYSTEM FOR CONTROLLING PARAMETERS OF A COMMUNICATION CHANNEL BETWEEN A FEMTOCELL AND A CELLULAR ENABLED COMMUNICATION DEVICE - Aspects of a method and system for controlling parameters of a communication channel between a femtocell and a cellular enabled communication device are provided. In this regard, characteristics of a cellular communication channel established between a cellular enabled communication device and the femtocell may be communicated to a network management entity. The network management entity may determine whether to adjust one or more parameters of the cellular communication channel based on the characteristics. The femtocell and/or the cellular enabled communication device may adjust the one or more parameters based on the determination by the management entity. The characteristics may be determined by the femtocell and/or the cellular enabled communication device. The characteristics may comprise one or more of signal strength, bit error rate, packet error rate, and/or available bandwidth. The parameters may comprise one or more of data rate modulation scheme, error coding scheme, and/or transmitted power levels. | 07-22-2010 |
| 20100186027 | METHOD AND SYSTEM FOR DATA PROCESSING IN A DEVICE WITH INTEGRATED SET-TOP-BOX AND FEMTOCELL FUNCTIONALITY - Aspects of a method and system for data processing in a device with integrated set-top-box and femtocell functionality are provided. Data may be received via an integrated femtocell and set-top-box device and may be synchronously processed, utilizing a common clock, to perform one or more femtocell functions and/or set-top-box functions. The common clock may be derived from global navigation satellite system signals. The integrated femtocell and set-top-box device may convert the received data from a first to a second format. The converted data may be transmitted to a cellular enabled communication device via a cellular transmitter within said integrated femtocell and set-top-box device and/or to a multimedia device via a multimedia interface within said integrated femtocell and set-top-box device. The received data may comprise multimedia content. The integrated femtocell and set-top-box device may be operable to encode, decode, transcode, encrypt, decrypt, scramble, descramble, and present the received multimedia content. | 07-22-2010 |
| 20100187903 | METHOD AND SYSTEM FOR VEHICULAR POWER DISTRIBUTION UTILIZING POWER OVER ETHERNET IN AN AIRCRAFT - Aspects of a method and system for vehicular power distribution utilizing power over Ethernet in an aircraft are provided. In this regard, one or more circuits and/or processors may be operable to receive supply power that is formatted in accordance with one or more aviation standards, condition the received supply power, and provide the conditioned supply power to one or more electronic components that are communicatively coupled to the Ethernet cable. The one or more circuits and/or processors may be built into and/or mounted on a seat in the aircraft. The one or more circuits and/or processors may provide the conditioned supply power to the one or more electronic components based on a power classification of the one or more electronic components. | 07-29-2010 |
| 20100187915 | Power Over Ethernet Power Sourcing Equipment Architecture for Variable Maximum Power Delivery - A power over Ethernet (PoE) power sourcing equipment (PSE) architecture for variable maximum power delivery. PoE PSE subsystems rely on some control to “turn on” a power field effect transistor (FET), which allows current to be transmitted to a powered device (PD). A hybrid approach is provided where an internal FET can be augmented with an external FET to provide an architecture that can be flexibly applied to applications with various space, cost and cooling limitations. The maximum delivered power can also be boosted with the addition of an external FET to the internal FET. | 07-29-2010 |
| 20100189084 | METHOD AND SYSTEM FOR OPTIMAL CONTROL OF DATA DELIVERY PATHS FOR A FEMTOCELL NETWORK - A network controller within a femtocell may be operable to control communication of data among devices within a communication system comprising the femtocell and one or more other femtocells, end-point devices, base stations and/or access points and with devices external to the communication system. The network controller may receive and/or analyze status, measurements and/or operating constraints of one or more of the devices. Quality of service constraints, latency constraints, data type constraints and/or security constraints for communication of the data may be determined. The network controller may allocate physical and/or logical resources, may control security and/or quality of service and/or may allocate bandwidth for the communication of the data. The network controller may assign one or more of the devices comprised by the communication system to handle the communication of the data. The data may be communicated via wired, optical and/or wireless interfaces. | 07-29-2010 |
| 20100189085 | METHOD AND SYSTEM FOR HIGH RELIABILITY DELIVERY OF CONTENT TO A PLURALITY OF USERS VIA A PLURALITY OF FEMTOCELLS - A cellular enabled device may be operable to receive replicas of content that are communicated from a plurality of femtocells via transmit diversity. The content may comprise voice, video and/or data. A location of the cellular enabled device may be determined and/or communicated to each of the plurality of femtocells. Synchronization may enable the transmission of the content replicas based on the location of the cellular enabled device. Transmission times of the content replicas may be adjusted based on a location of the cellular enabled device. Transmission power and/or gain of the content replicas that are transmitted from each of the plurality of femtocells may be adjusted based on the location of the cellular enabled device. The content replicas may be received via different ones of a plurality of wireless communication standards. | 07-29-2010 |
| 20100189120 | METHOD AND SYSTEM FOR A CENTRALIZED VEHICULAR ELECTRONICS SYSTEM UTILIZING ETHERNET IN AN AIRCRAFT - Aspects of a method and system for a centralized vehicular electronics system utilizing Ethernet optimized for use in an aircraft are provided. In this regard, one or more processors and/or circuits in an aircraft may be operable to receive one or more Ethernet packets over one or more Ethernet links, generate a plurality of signals based on the received packets, wherein the plurality of signals comprise a plurality of signal formats suitable for conveyance to a plurality of electronic components in the aircraft, and output the plurality of signals to a plurality of electronic components in the aircraft. The electronic component(s) may comprise a display and/or audio output. The signals may be formatted in accordance with video and/or audio standards. The electronic component(s) may comprise an Ethernet port and the circuit(s) and/or processor(s) may be operable to communicate packets between the Ethernet port and the one or more Ethernet links. | 07-29-2010 |
| 20100194190 | Midspan Powering in a Power Over Ethernet System - A midspan power sourcing equipment (PSE) for operation with power over Ethernet (PoE). The midspan PSE provides powering over wire pairs that are also used for data communication. To ensure compatibility with legacy Ethernet devices, the ports used for transmission of data are designed to present an increased level of inductance. | 08-05-2010 |
| 20100205466 | System and Method for Power Over Ethernet Power Mode Policy and Network Management - A system and method for power over Ethernet (PoE) power mode policy and network management. Various power modes or configurations can be defined for a powered device. An IT manager at a network management station can remotely configure a power mode or configuration of a powered device using a network management protocol such as SNMP. This network management protocol can instruct a software agent at a powered device to change a power mode or configuration. | 08-12-2010 |
| 20100210239 | SERVICE MOBILITY VIA A FEMTOCELL INFRASTRUCTURE - Aspects of a method and system for service mobility via a femtocell infrastructure are provided. In this regard, a mobile cellular enabled communication device may detect a femtocell operable to deliver content for one or more services to the mobile cellular enabled communication device, where the one or more services may be provided via a set-top-box communicatively coupled to the femtocell. The mobile cellular enabled communication device may communicate a user profile to the femtocell, wherein information in the profile may be utilized by the set-top-box to authenticate and/or authorize access to the services by the mobile cellular enabled communication device and thus the mobile cellular enabled communication device may receive the content from the set-top-box based on the authentication and/or authorization. The content may comprise voice, video, data, text and/or still images. The mobile cellular enabled communication device may detect the femtocell by receiving one or broadcast messages from the femtocell. | 08-19-2010 |
| 20100211806 | SYSTEM AND METHOD FOR DYNAMIC POWER PROVISIONING FOR A WIRELESS ACCESS POINT - A system and method for dynamic power provisioning for a wireless access point. Various types of power management information (e.g., number of users, connection speed, etc.) can be used in a process for determining a power request/priority for a wireless access point (WAP). The determined power request/priority can then be used in a dynamic allocation process by which the WAP's allocated power budget can seek to match its current power needs. | 08-19-2010 |
| 20100214708 | System and Method for Using a PHY to Locate a Thermal Signature in a Cable Plant for Diagnostic, Enhanced, and Higher Power Applications - A system and method for using a physical layer device to locate a thermal signature in a cable plant for diagnostic, enhanced, and higher power applications. Cable heating in specific sections of a network cable is detected through an automatic identification of a thermal signature in electrical measurements of a network cable. The correlation of the thermal signature to a specific section of the network cable enables network personnel to locate hot spots in the network cable with ease. | 08-26-2010 |
| 20100214906 | Method And System For Dynamically Determining When To Train Ethernet Link Partners To Support Energy Efficient Ethernet Networks - Training, refreshing and/or updating Ethernet link partners for silent channels and/or silent directions of channels may be determined based on control parameters. This may be used to improve energy efficiency in Ethernet communication. Control parameters may comprise a default value and/or may be determined based on prior training, refreshing and/or updating. New values for the control parameters may be generated based on a magnitude of change between current and prior control parameter values or based on performance such as bit error rate. User input may be utilized to determine when to execute the training, refreshing and/or updating. The training, refreshing and/or updating may be done for one or more of a near-end crosstalk canceller, alien near-end crosstalk canceller, far-end crosstalk canceller, alien far-end crosstalk canceller and echo canceller. After the training, refreshing and/or updating, the silent channels may transition to active and/or may remain silent. | 08-26-2010 |
| 20100214946 | System and Method for Diagnosing a Cabling Infrastructure Using a PHY - A system and method for discovering a cable type using an automated, systematic process. A PHY can be designed to measure electrical characteristics (e.g., insertion loss, cross talk, length, etc.) of the cable to enable determination of the cable type. The determined cable type can be used in diagnosis of cabling infrastructure or in a dynamic configuration or operation process. | 08-26-2010 |
| 20100215029 | MULTICASTING OR BROADCASTING VIA A PLURALITY OF FEMTOCELLS - Aspects of a method and system for servicing a plurality of users via a plurality of femtocells are provided. In this regard, a cellular enabled communication device may receive portions of a datastream from a plurality of femtocells, reconstruct the datastream from the received portions of the datastream, and process the reconstructed datastream for presentation to a user of the cellular enabled communication device. The received portions may be buffered in the cellular enabled communication device. The portions of the datastream may be associated with a plurality of CDMA channel access codes. The portions of the datastream may be received via a plurality of cellular frequencies. The portions of the datastream may be received during a plurality of TDMA timeslots. Portions of the datastream may be received from a cellular base station. Portions of the datastream may be received from a WiMAX base station. | 08-26-2010 |
| 20100218011 | System and Method for Energy Savings Through Emulation of Wake on Lan in Energy Efficient Ethernet - A system and method for energy savings through emulation of wake on LAN (WoL) in energy efficient Ethernet networks. An intermediary device between a computing device and a network can be alerted that the computing device has entered an energy saving state with wake on LAN (WoL) enabled. The intermediary device can transition the client interface that supports the computing device into an energy saving state and emulate the WoL function of the computing device by listening for a WoL message destined for the computing device. Upon receipt of a WoL message destined for the computing device, the intermediary device can transition the client interface back to an active state then transmit the received WoL message to the computing device. | 08-26-2010 |
| 20100220642 | METHOD AND SYSTEM FOR PEER-TO-PEER CELLULAR COMMUNICATIONS - Aspects of a method and system for peer-to-peer cellular communications are provided in which one or more cellular communication channels may be established between a femtocell and a plurality of communication devices. The femtocell may control routing of data between the plurality of communication devices via the one or more cellular communication channels. The femtocell may enable multicasting and/or broadcasting data from one of the communication devices to two or more remaining ones of the communication devices. The multicast and/or broadcast data may be communicated via the cellular communication channels and may be additionally communicated via an IP connection to the femtocell. Data may be communicated over the cellular communication channels in compliance with 3rd generation partnership project (3GPP) standards and/or 3rd generation partnership project 2 (3GPP2) standards. The femtocell may reformat data prior to communicating it to one or more of the plurality of communication devices. | 09-02-2010 |
| 20100220692 | METHOD AND SYSTEM FOR NETWORK SYNCHRONIZATION VIA A FEMTOCELL - Aspects of a method and system for communication are provided. In this regard, a femtocell may receive messages from a plurality of different sources comprising one or more other femtocells, one or more cellular enabled communication devices, and one or more non-cellular network nodes. The femtocell may select, based on the received messages, a master clock within one of the plurality of different sources as a master clock for synchronization of the plurality of different sources. A femtocell clock, a global navigational satellite signal (GNSS) clock, a cellular base station clock, or a cellular enabled communication device clock may be selected as the master clock. The femtocell may transmit and/or receive synchronization messages to and/or from the one or more cellular enabled communication devices and the one or more non-cellular network nodes. | 09-02-2010 |
| 20100220731 | METHOD AND SYSTEM FOR SUPPORTING A PLURALITY OF PROVIDERS VIA A SINGLE FEMTOCELL - Aspects of a method and system for supporting a plurality of providers via a single femtocell are provided. In this regard, a femtocell may determine characteristics of one or more VLANs to which it is virtually communicatively coupled via a non-cellular connection and via a cellular connection. Based on the determined characteristics of the one or more VLANs, a cellular transmitter and/or receiver of the femtocell may be controlled to transmit and/or receive packets belonging to the one or more VLANs via the non-cellular connection and/or via the cellular connection. The characteristics of the one or more VLANs may comprise one or more of: cellular standards utilized by the one or more VLANs, cellular frequencies utilized in the one or more VLANs, access technologies utilized by the one or more VLANs, and a duplexing method utilized by the one or more VLANs. | 09-02-2010 |
| 20100222054 | METHOD AND SYSTEM FOR CONTROLLING ACCESS AND UTILIZATION OF FEMTOCELLS VIA A NETWORK BASED SERVICE - Aspects of a method and system for controlling access and utilization of femtocells via a network based service are provided. In this regard, a femtocell management entity communicatively coupled to a network and operable to manage one or more femtocells may be accessed via an end-user communication device. In this manner, the femtocell(s) may be managed via the end-user device such as one of the cellular enabled communication devices. The femtocell management entity may enable establishing one or more SLAs between the femtocell(s) and the cellular enabled communication device(s). The SLA(s) may enable the cellular enabled communication device(s) to establish one or more cellular communication channels with the femtocell(s). The SLA(s) may determine when the cellular communication channels may be established. The SLA(s) may determine how a femtocell owner/operator may be compensated for providing cellular service. The femtocell(s) may be accessed utilizing Internet Protocol. | 09-02-2010 |
| 20100222069 | METHOD AND SYSTEM FOR MITIGATING INTERFERENCE AMONG FEMTOCELLS VIA INTELLIGENT CHANNEL SELECTION - Aspects of a method and system for mitigating interference among femtocells via intelligent channel selection are provided. In this regard, signals which may interfere with cellular communications between a femtocell and a cellular communication device may be detected via the femtocell. Based on the detection, the femtocell may be configured to transmit and/or receive signals on one or more frequencies and/or channels. The one or more frequencies and/or channels may be determined in the femtocell and/or in a network management entity. Detecting interfering signals and configuring the one or more femtocells may occur periodically, upon installation of a femtocell, upon power-up of a femtocell, and/or upon command from a network administrator. The results of the detection may be communicated to one or more other femtocells and/or to a network management entity. | 09-02-2010 |
| 20100223482 | Protocol and Interface Between a LAN on Motherboard (LOM) and a Powered Device (PD) for a Personal Computing Device (PCD) - A Power-over-Ethernet (PoE) communication system dynamically provides power and data communications over a communications link. In a computing environment made up of one or more personal computing devices (PCD) and/or one or more powered devices (PD), power source equipment (PSE) determines an allocated amount of power to be supplied to each device. The personal computing devices include a unified LAN-On-Motherboard (LOM) that combines the functionality of a powered device (PD) controller of a conventional PD and a LOM of a conventional personal computing device into a single unified subsystem. The unified LOM includes a standard or universal interface between the LOM and PD controller so that different types of PD devices with differing functionality can be easily married to the LOM, without requiring significant hardware or software redesign. The universal or standard interface includes a physical interface between the LOM and the PD controller and a compatible communication protocol to govern the communications between the LOM and the PD controller. This allows the LOM to be mixed and matched with any PD controller, enabling OEMs to economically provide multiple product models with varying degrees of PD and LOM functionality. | 09-02-2010 |
| 20100228872 | METHOD AND SYSTEM FOR DETERMINING PHYSICAL LAYER TRAVERSAL TIME - Aspects of a method and system for determining physical layer traversal time are provided. In this regard, duration of a time interval may be determined in the PHY of a network device, where the time interval corresponds to an amount of time that occurs between a first time instant at which information is input to the PHY and a second time instant at which corresponding information is output by the PHY. Communication of data to and/or from the network device may be managed based on the determined duration of the time interval. The duration of the time interval may be determined utilizing one or more counters within the PHY. The determined duration may be stored in one or more registers within the PHY. An amount of data that is processed by the PHY during the time interval may be determined within the PHY. | 09-09-2010 |
| 20100229013 | METHOD AND SYSTEM FOR IMPLEMENTING ENERGY EFFICIENT ETHERNET TECHNIQUES IN A MACSEC ENABLED PHY - Aspects of a method and system for implementing energy efficient Ethernet techniques in a MACSec enabled PHY are provided. In this regard, an Ethernet PHY comprising memory may be operable to perform packet processing functions comprising MACSec protocol processing and energy efficient Ethernet (EEE) processing. In this regard, the memory may be utilized for implementing the MACSec protocol processing and energy efficient Ethernet (EEE) processing. The Ethernet packet processing functions may comprise packet inspection, packet generation, and packet modification. The energy efficient Ethernet (EEE) processing may comprise generating and/or inspecting messages for controlling when to transition into and out-of an energy-saving mode. The Ethernet PHY may be operable to monitor signals and/or conditions within the Ethernet PHY and control transitions into and out-of an energy-saving mode based on the monitored signals and/or conditions. The energy saving mode may comprise a low power idle mode and/or a subset PHY mode. | 09-09-2010 |
| 20100235653 | METHOD AND SYSTEM FOR TRANSMIT QUEUE MANAGEMENT FOR ENERGY EFFICIENT NETWORKING - Aspects of a method and system for queue management for energy efficient 1networking are provided. In various embodiments of the invention a network device may determine whether to transition into or out-of an energy-saving mode of operation, and arm an EEN trigger by buffering the EEN trigger in a queue and/or setting one or more flags. The network device may transition into or out-of the energy-saving mode upon the EEN trigger being read from the queue or upon the queue becoming empty while the trigger is armed. Upon the occurrence of an event meeting one or more criteria prior to the EEN trigger being read from the queue or prior to the queue being empty, the EEN trigger may be disarmed. The network device may disarm the EEN trigger by deleting the EEN trigger from the queue and/or by resetting the flag. | 09-16-2010 |
| 20100235665 | System and Method for Enabling Fallback States for Energy Efficient Ethernet - A system and method for enabling fallback states for energy efficient Ethernet (EEE). EEE devices can be designed to support multiple power saving states that impact layers higher than the PHY layer. Typically, these higher levels of power savings would require a greater period of time to accommodate a return to an active state. In a dynamic negotiation process, the receiving device can advertise multiple fallback power saving states to the transmitting device. The transmitting device's allocation of buffering can then determine which of the power saving states would be supported. | 09-16-2010 |
| 20100238836 | METHOD AND SYSTEM FOR TIMELY DELIVERY OF MULTIMEDIA CONTENT VIA A FEMTOCELL - Aspects of a method and system for timely delivery of multimedia content via a femtocell are provided. In this regard, a femtocell may receive data via an upstream path and transmit data via a downstream path. One of the upstream path and downstream path may comprise a cellular path and the other may comprise a non-cellular path. One or both of the upstream path and the downstream path may be audio video bridging (AVB) paths. Data may be stored in the femtocell based on timing characteristics of one or both of the upstream path and the downstream path. Data may be delivered to the femtocell utilizing best effort delivery and the data may be forwarded by the femtocell with guaranteed quality of service. Resources in the femtocell may be reserved and/or synchronized, utilizing AVB protocols, for communication of one or more data streams. | 09-23-2010 |
| 20100241878 | System and Method for Mirroring Power Over Ethernet Registers in a Physical Layer Device Over a Single Isolation Boundary - A system and method for mirroring power over Ethernet (PoE) registers in physical layer devices (PHYs) over a single isolation boundary. PHYs in a PoE system can be arranged in a master/slave configuration. In this configuration, a master PHY can be designed to communicate with the power source equipment controllers via a single isolation device. | 09-23-2010 |
| 20100241882 | System and Method for Tunneling Control over a MAC/PHY Interface for Legacy ASIC Support - A system and method for tunneling control over a MAC/PHY interface for legacy ASIC support. Energy efficient Ethernet control or status information can be communicated over a MAC/PHY interface using control codes that are embedded in sequence ordered sets. These sequence ordered sets would not affect the data flow and can be tunneled within an existing interface (e.g., XAUI, XFI, xxMII or derivative interfaces) without generating errors. | 09-23-2010 |
| 20100246386 | Method and System for Communicating Data Via a Mesh Network of Interconnected Femtocells - Aspects of a method and system for communicating data via a mesh network of interconnected femtocells are provided. In this regard, a plurality of femtocells and/or base stations may be interconnected to form a mesh network. A cellular enabled communication device may be enabled to communicate data to a first of the plurality of interconnected femtocells. The data may be routed by one or more other of the plurality of interconnected femtocells within the mesh network via one or more dynamically determined routes. The one or more dynamically determined routes may be determined based on one or more of a type of the communicated data, a quality of service (QoS) requested by the cellular enabled communication device for communicating the data and/or a cost associated with the routing of the data by the one or more other of the plurality of interconnected femtocells within the mesh network. | 09-30-2010 |
| 20100246482 | Method and System for Dynamic Adjustment of Power and Frequencies in a Femtocell Network - Aspects of a method and system for dynamic adjustment of power, antenna direction and frequencies in a femtocell network are provided. In this regard, a communication system may comprise a plurality of femtocells, one or more base stations, and a femtocell management entity that coordinates operation of the plurality of femtocells. One or more parameters may be communicated from one of the plurality of femtocells and/or one or more base stations to the femtocell management entity. The femtocell management entity may be enabled to utilize the one or more parameters to determine configuration information for one of the plurality of femtocells and/or for one or more remaining ones of the plurality of femtocells. One of the plurality of femtocells may be enabled to receive the determined configuration information from the femtocell management entity. One of the plurality of femtocells may be configured utilizing the received determined configuration information. | 09-30-2010 |
| 20100246483 | Method and System for Communication Between a Plurality of Femtocells to Mitigate Interference Between the Femtocells - Aspects of a method and system for communication between a plurality of femtocells to mitigate interference between the femtocells are provided. In this regard, a first of a plurality of femtocells in a network may receive interference information from one or more other femtocells, one or more base stations, and/or one or more communication devices in the network. The first femtocell may determine configuration information for the first femtocell and one or more other femtocells in the network based on the communicated interference information. The first femtocell and the other femtocells in the network may be configured based on the determined configuration information. The interference between the plurality of femtocells may be mitigated based on configuring the first femtocell and the other femtocells in the network based on the determined configuration information. | 09-30-2010 |
| 20100248762 | Method and System for Mitigating Interference Between a Plurality of Femtocells Utilizing Transmission Deferral - Aspects of a method and system for mitigating interference between a plurality of femtocells utilizing transmission deferral are provided. In this regard, prior to transmission of cellular signals by a femtocell, the femtocell may be operable to detect signals that interfere with cellular communications between the femtocell, one or more base stations, and a cellular enabled communication device that communicates with the femtocell. The femtocell may be operable to defer transmission of the cellular signals for a particular period of time based on the detected interfering signals. During transmission of cellular signals from the femtocell to a cellular enabled communication device, the femtocell may be operable to detect loss of one or more packets of data. The femtocell may be operable to defer transmission of the cellular signals for a particular period of time based on the detected loss of one or more packets of data. | 09-30-2010 |
| 20100254319 | JOINT RESOURCE MANAGEMENT IN A FEMTOCELL NETWORK - A Femtocell gateway is operable to determine resource usage information among associated Femtocells in a Femtocell network. The Femtocell gateway may be enabled to allocate resources for distributing traffic among the associated Femtocells based on the determined resource usage information comprising IP usage information, radio access usage, and/or physical layer capabilities among the Femtocells. The Femtocell gateway may be enabled to identify Femtocells with excess resources assigned and Femtocells with a need for additional resources to support a particular traffic based on the determined resource usage information. The Femtocell gateway is operable to allocate and/or reallocate at least a portion of excess resources to the Femtocells with the need for the additional resource to support the particular traffic. The Femtocells that share resources with other Femtocells in the Femtocell network is rewarded with credits. The particular traffic is redirected to the Femtocells with excess resources and distributed to destinations. | 10-07-2010 |
| 20100254355 | Method and System for Determining a Location of a Device Using Femtocell Information - Aspects of a method and system for determining a location of a device using femtocell information are provided. In this regard, a femtocell management entity may be operable to receive global navigation system satellite (GNSS) coordinates of one or more of a plurality of femtocells and one or both of a receive signal strength indication (RSSI) and/or power levels of one or more of the plurality of femtocells, which are managed by the femtocell management entity. The femtocell management entity may be operable to determine a location of a communication device that is derived based on the received GNSS coordinates, RSSI and/or power levels of one or more of the plurality of femtocells and communicate the determined location to a communication device. One or more location based applications and/or services within the communication device may be operable to utilize the received determined location to provide mapping and/or location information. | 10-07-2010 |
| 20100254357 | Method and System for Remotely Communicating Information to a Plurality of Devices Within a Femtocell Network - Aspects of a method and system for remotely communicating information to a plurality of devices within a femtocell network are provided. In this regard, a communication system may comprise a plurality of communication devices operable to communicate with one or more of a plurality of femtocells via one or more wireless connections and/or via one or more wired connections. The plurality of femtocells may be managed via a femtocell management entity. One of the plurality of communication devices may be operable to receive information from the femtocell management entity via one or more of the plurality of femtocells utilizing one or both of the one or more wireless connections and/or the one or more wired connections. One of the plurality of communication devices may be configured by utilizing the received information. The received information may comprise one or more of software, service profiles, device configuration data and/or synchronization data. | 10-07-2010 |
| 20100262844 | METHOD AND SYSTEM FOR ENERGY EFFICIENT NETWORKING OVER A SERIAL COMMUNICATION CHANNEL - Aspects of a method and system for energy efficient networking over a serial communication channel are provided. In this regard, one or more circuits in an Ethernet PHY that communicates over one or more serial communication channels may transmit and/or receive physical layer signals to maintain and/or refresh synchronization and/or training parameters while operating in an energy saving mode. The Ethernet PHY may transition out of the energy saving mode upon transmitting and/or receiving a wake sequence via the serial communication channel(s), where the wake sequence comprises one or more deterministic forward error correction (FEC) block in instances that FEC is utilized for communications via the serial communication channel(s). The one or more circuits in the Ethernet PHY may be operable to perform forward error correction (FEC) functions and one or more of the FEC functions may be disabled while remaining ones of the FEC functions are enabled. | 10-14-2010 |
| 20100271227 | System and Method for Continual Cable Thermal Monitoring Using Cable Characteristic Considerations in Power Over Ethernet - A system and method for continual cable thermal monitoring using cable characteristic considerations in Power over Ethernet (PoE) applications. Cable heating in PoE applications is detected through changes in electrical characteristics of the cable itself. By periodically monitoring the electrical characteristics such as insertion loss or cross talk of the cable, it can be determined whether the cable has exceeded certain thermal operating thresholds. | 10-28-2010 |
| 20100281288 | Layer 2 power classification support for power-over-ethernet personal computing devices - A Power-over-Ethernet (PoE) communication system dynamically provides power and data communications over a communications link. In an enterprise environment made up of one or more personal computing devices (e.g., personal or laptop computers), a switch determines a power classification for each device via a PoE control module that can be part of, for example, a Power Source Equipment/Powered Device (PSE/PD) system or a LAN-On-Motherboard/Powered Device (LOM/PD) system. A method of classifying power for each device includes detecting a device, polling it for power requirement information using a Layer 2 data link layer, receiving power requirement information from the device, and determining a power classification for the device. Power requirement information can include battery charge status, power load, power mode, etc., of the device. Various types of data packets can be used. The method can be repeated on a periodic basis, allowing power classification to be dynamic. | 11-04-2010 |
| 20100293398 | System and Method for Preventing Disconnect of a Powered Device by a Power Source Equipment - A system and method for preventing disconnect of a powered device by a power source equipment. Powered devices can have unstable power profiles. These unstable power profile can make it difficult for power source equipment (PSE) in a power over Ethernet (PoE) system to effectively manage powering of those devices. In one embodiment, a reservoir of charge having a stable power profile is provided as a charge buffer such that a PSE need not match the swings in power demands by electronic circuitry in the powered device. | 11-18-2010 |
| 20100293404 | System and Method for Dynamic Energy Efficient Ethernet Control Policy Based on User or Device Profiles and Usage Parameters - A system and method for dynamic energy efficient Ethernet (EEE) control policy based on user or device profiles and usage parameters. The analysis by an EEE control policy can consider user or device related EEE profile information that is either network propagated or retrieved from a network database. This EEE profile information can be used in combination with static settings established by an IT manager and the properties of the traffic on the link itself. | 11-18-2010 |
| 20100309787 | METHOD AND SYSTEM FOR SYMMETRIC TRANSMIT AND RECEIVE LATENCIES IN AN ENERGY EFFICIENT PHY - Aspects of a method and system for symmetric transmit and receive latencies in an energy efficient PHY are provided. In this regard, a delay introduced by a PHY of a network device for outbound traffic and a delay introduced by the PHY for inbound traffic may be controlled such that a transmit delay of the network device is equal, within a tolerance, to a receive latency of the network device. The delays may be controlled based on whether one or more energy efficiency features are enabled in the PHY. The delay introduced by the PHY for outbound traffic may be controlled based on an amount of buffered inbound traffic. The delay introduced by the PHY for inbound traffic may be controlled based on an amount of buffered outbound traffic. The delays may be controlled such that said receive latency and the transmit latency are approximately constant regardless of a mode of operation of the network device. | 12-09-2010 |
| 20100309816 | METHOD AND SYSTEM FOR END-TO-END MANAGEMENT OF ENERGY EFFICIENT NETWORKING PROTOCOLS - Aspects of a method and system for end-to-end management of energy efficient networking protocols are provided. In this regard, a path between two network nodes may be determined and one or more messages may be generated. The one or more messages may be communicated to one or more network nodes along the determined path and may configure an EEN control policy and/or one or more (EEN) parameters in those network nodes. The one or more generated messages may comprise a distinct marking that may, upon detection by the network nodes along the determined path, trigger configuration of the EEN control policy and/or EEN parameters within the one or more network nodes. The one or more messages may be may be utilized to enable and disable EEN in one or more network nodes along the path. | 12-09-2010 |
| 20100309932 | METHOD AND SYSTEM FOR COMPENSATED TIME STAMPING FOR TIME-SENSITIVE NETWORK COMMUNICATIONS - Aspects of a method and system for compensated time stamping for time-sensitive network communications are provided. In this regard, one or more timestamps generated in an OSI layer above the physical layer may be adjusted based on parameters associated with an amount of time in which data traverses a PHY of the network device. Communications of the network device may be managed based on the adjusted one or more timestamps. The parameters may comprise one or more of: average ingress PHY traversal time, average egress PHY traversal time, variance of ingress PHY traversal time, and variance of egress PHY traversal time. One or more network links coupled to the network device may be characterized based on the one or more adjusted timestamps. The parameters may be stored in one or more registers within a PHY of the network device. | 12-09-2010 |
| 20100316049 | METHOD AND SYSTEM FOR ENERGY-EFFICIENCY-BASED PACKET CLASSIFICATION - Aspects of a method and system for energy-efficiency-based packet classification are provided. In this regard, a network link for communicating a packet may be selected based, at least in part, on an amount of energy required to communicate the packet over the network link, and based, at least in part, on an energy efficiency class to which the packet is assigned. The energy efficiency class may be determined based on one or more fields of the packet, wherein the fields may comprise one or more of an Ethertype field, a type of service header of an IP datagram, and a field pre-pended or appended to a payload of the packet. In this regard, during or subsequent to generation of the packet, the packet may be marked such that a network path traversed by the generated packet may be determined based on the energy required to communicate the packet over the network path. | 12-16-2010 |
| 20100318819 | System and Method for Integrated Temperature Measurement in Power over Ethernet Applications - A system and method for integrated thermal monitoring in Power over Ethernet (PoE) applications. Headroom in a particular cable installation is identified using ambient temperature measurement alone or in combination with determined cable characteristics. In calculating an amount of headroom for a particular cable installation, the current capable of being carried over the cable would not be limited by worst-case cable assumptions. | 12-16-2010 |
| 20100322105 | METHOD AND SYSTEM FOR NETWORK COMMUNICATIONS VIA A CONFIGURABLE MULTI-USE ETHERNET PHY - Aspects of a method and system for network communications via a configurable multi-use Ethernet PHY are provided. In this regard, an Ethernet PHY may be configured based on characteristics of a network link over which the Ethernet PHY communicates, and a rate at which data is conveyed from a MAC to the Ethernet PHY may be controlled via a carrier sense signal of the MII. The carrier sense signal may be controlled based on a rate at which the Ethernet PHY transmits data over the network link. The Ethernet PHY may be configured based on a length of the network link and/or on a grade of the network link, where exemplary grades may comprise Cat-1 through Cat-7a cable. The Ethernet PHY may be configured into one of a plurality of modes comprising an Ethernet over digital subscriber line (DSL) mode, an extended reach mode, and a standard Ethernet mode. | 12-23-2010 |
| 20100329108 | Method And System For Jitter And Frame Balance And/Or Rebalance For EEE Refresh Cycles - Ethernet network link partners may be configured for operation in a low power mode. The link partners may generate new frames and/or signals and/or may modify characteristics of existing frames and/or signals to be communicated via one or more channels of an Ethernet link during the low power mode. The new and/or modified frames and/or signals may be utilized as refresh frames and/or signals to control communication during low power mode and/or to enable refresh and/or synchronization of the link partners. The new and/or modified frames and/or signals may be generated and/or modified based on a desired frequency distribution and/or spectral density. New and/or modified frames and/or signals may comprise jitter, random and/or pseudo random bit patterns and/or varied bit patterns and/or energy levels. Data packets and/or active idle symbols may be forced during low power mode to mitigate undesired periodic energy. | 12-30-2010 |
| 20110007739 | System and Method for Enhanced Physical Layer Device Autonegotiation - A system and method for enhanced physical layer device autonegotiation. The autonegotiation process typically identifies the highest common denominator amongst various standardized modes of operation. Enhanced autonegotiation can be used to select a mode of operation that is not the highest common denominator. Enhanced autonegotiation can also identify a non-standardized mode of operation using next page messaging, additional physical signaling, or Layer 2 messaging. | 01-13-2011 |
| 20110010609 | System and Method for Achieving Higher Data Rates in Physical Layer Devices - A system and method for achieving higher data rates in physical layer devices. Costs imposed by large data rate increases represented by generational increases in Ethernet standards activities are avoided through physical layer device modifications that enable marginal increases in data bandwidth. Building-block reuse can be promoted through the selective use of clocking rate increase, increase in coding efficiency, and bit reuse. | 01-13-2011 |
| 20110012608 | System and Method for Enhanced Accuracy in Cable Diagnostics of Cable Length - A system and method for enhanced accuracy in cable diagnostics of cable length. Conventional cable diagnostics such as time domain reflectometry can be used to determine cable length. This conventional technique can have accuracy limitations in certain situation such as with perfectly terminated cable. A cable length can also be determined through the use of link delay measurements that are based on clock synchronization between nodes in a network. Notwithstanding the accuracy issues of these link delay measurements, overall accuracy can be increased through the combination of the two cable length delay measurements into a final estimate. | 01-20-2011 |
| 20110019530 | METHOD AND SYSTEM FOR NETWORK COMMUNICATIONS UTILIZING SHARED SCALABLE RESOURCES - Aspects of a method and system for network communications utilizing shared scalable resources are provided. In this regard, networking state information for one or more of a plurality of communication devices may be communicated to a network management device. The network management device may be operable to aggregate the networking state information. The plurality of communication devices may receive aggregated networking state information from the network management device. The plurality of communication devices may route packets based on the received aggregated networking state information. The network management device may be dynamically or manually selected from the plurality of communication devices. The plurality of communication devices may be associated with a sharing domain, and one or more communication devices may be dynamically added to and/or removed from the sharing domain. | 01-27-2011 |
| 20110019552 | METHOD AND SYSTEM FOR NETWORK AWARE VIRTUAL MACHINES - A virtual machine running on an endpoint device may encode a mark comprising routing parameters within one or more packets of a packet stream to indicate services and/or costs to be utilized in processing and/or communicating the packet stream. The virtual machine may communicate the packet stream to another network device. The routing parameters within the marks may indicate device capabilities, service class, quality measurements, latency and/or power usage. The routing parameters may comprise costs that may indicate capacity, efficiency and/or performance of power usage, bandwidth, absolute and/or relative latency, frame-drop eligibility, memory and processing. The packet stream is received and inspected to identify the marks and/or routing parameters. A virtual machine may be initialized and/or configured to process and/or communicate the packet stream based on the routing parameters. Routing may utilize based SPB, TRILL, and/or AVB. | 01-27-2011 |
| 20110019560 | Method And System For Power-Limited Switching And/Or Routing In A Network - Communication devices may determine routes and/or may select a route for communicating data between a first communication device and a second communication device. The selected route may require the least power consumption. The determined routes may be ranked based on an amount of power required for routing the data. The data may be routed among devices based on the ranking. Power consumption of a device may be determined based on a bandwidth associated with the device. Route selection may be based on availability of power for power sources of the communication devices. The selection of routes may be based on a current power consumption and/or a history of prior power consumption of the communication devices. The selection of a route which may require least power consumption may be optimized based on the availability of bandwidth. | 01-27-2011 |
| 20110019626 | METHOD AND SYSTEM FOR NETWORK RESOURCE ALLOCATION BASED ON A USAGE PATTERN - Aspects of a method and system for network resource allocation based on a usage pattern may comprise a management entity that coordinates operation of one or more endpoint devices. The management entity may be operable to receive a usage pattern associated with each of the one or more endpoint devices. The management entity may be operable to determine resource allocation information for each of the one or more endpoint devices based on the received usage pattern associated with each of the one or more endpoint devices. | 01-27-2011 |
| 20110019668 | Method And System For Packet Preemption Via Packet Rescheduling - Link partners coupled via an Ethernet link comprise memory buffers and/or PHY devices and the memory buffers may be operable to buffer packets that are pending delivery via the PHY devices. Latency requirements may be determined by inspecting OSI layer 2 or higher OSI layer information. Markings within packets may be inspected for latency requirements. An order of communicating buffered packets may be determined based on latency requirements. Corresponding packet headers may be ordered based on the latency requirements. Packet delivery may be scheduled based on the latency requirements. A specified time and/or a specified quantity of buffered data, which may be statically or dynamically programmable and/or configurable, may trigger determination of latency requirements. Packets may be delivered after an indication that prior packets have been delivered. Latency requirements may depend on a device that may generate and/or render the packets. | 01-27-2011 |
| 20110019669 | Method And System For Dynamic Routing And/Or Switching In A Network - Communication devices may determine routes for packets based on packet marking, routing parameters and/or costs associated with routes. A route may be selected and the packets may be communicated via the selected route. The parameters may comprise service class, real time compression, packet preemption, quality measurements, tier bypass and/or power usage information. The costs may comprise capacity, efficiency and/or performance information for power usage, bandwidth, memory and/or processing. The marking may comprise traffic type, user device capabilities, service class, quality measurements, latency requirements and/or power usage information. Endpoint devices, software applications and/or service providers may insert the marking into packets. Routes may be determined and/or selected based on shortest path bridging, audio video bridging, the marking, the routing parameters and/or the costs. Parameters and/or costs may be received and/or discovered from communication devices. Packets and/or the marking may be parsed and/or inspected. Costs may be based on routing parameters. | 01-27-2011 |
| 20110019685 | METHOD AND SYSTEM FOR PACKET PREEMPTION FOR LOW LATENCY - Latency requirements for Ethernet link partners comprising PHY devices and memory buffers, may be determined for packets pending transmission. Transmission may be interrupted for a first packet having greater latency than a second packet, and the second packet may be transmitted. The second packet may be interrupted for transmission of a third or more packets. Packets are inspected for marks and/or for OSI layer | 01-27-2011 |
| 20110019689 | Method And System For Associating Physical Link Partners Using A Layer Two Mechanism - A network device and an adjacent network device may autonegotiate for utilization of an OSI layer 2 protocol for exchanging control information. The network device may generate and/or communicate to the adjacent network device, Ethernet frames comprising the control information based on the OSI layer 2 protocol. OSI layer 2 capabilities status and/or MAC address of the adjacent network device may be received and/or stored during auto-negotiation. An Ethertype and/or LLDP Ethertype may be set within the Ethernet frames to indicate utilization of the OSI layer 2 protocol. Payload within the Ethernet frames may be populated with control information that is encapsulated in a non-standardized or standardized discovery protocol frame and/or a LLDPDU. The control information may comprise device capabilities and/or communication parameters. Subsequent Ethernet frames comprising other content may be communicated to the adjacent network device based on the control information. | 01-27-2011 |
| 20110022526 | Method and System for Content Selection, Delivery and Payment - Aspects of a method and system for content selection, delivery and payment may comprise a management entity that coordinates operation of one or more endpoint devices. The one or more endpoint devices may be operable to select one or more parameters associated with a particular content type from the management entity. The particular content type may specify a type of media content that is handled by the one or more endpoint devices. The one or more endpoint devices may be operable to receive configuration information from the management entity based on the selected one or more parameters associated with the particular content type. The one or more endpoint devices may be configured utilizing the received configuration information. The one or more endpoint devices may be operable to pay for the received configuration information. | 01-27-2011 |
| 20110022679 | METHOD AND SYSTEM FOR UTILIZING NATIVE ETHERNET AS A VIRTUAL MEMORY INTERCONNECT - In various embodiments of a method and system for utilizing native Ethernet as a virtual memory interconnect, a first networking device may be operable to transcode a memory read command and/or a memory write command to memory access information and encapsulate the memory access information within in one or more fields of an Ethernet frame. The memory access information may be communicated over an Ethernet link to a second networking device where it may be utilized to access memory that is associated with the memory read command and/or the memory write command. For example, the memory access information may indicate an address of the memory to be accessed, whether a read operation and/or a write operation is to be performed, whether the frame comprises data to be written to the memory, and/or whether a locally administered address space is utilized. | 01-27-2011 |
| 20110022692 | METHOD AND SYSTEM FOR DETERMINING AND CONTROLLING USER EXPERIENCE IN A NETWORK - Aspects of a method and system for determining and controlling user experience in a network may comprise a management entity that coordinates operation of one or more endpoint devices. One or more parameters associated with a content type may be received from the one or more endpoint devices by the management entity. The management entity may utilize the received one or more parameters associated with the content type to determine configuration information for the one or more endpoint devices. The content type may specify a type of media content that is handled by the one or more endpoint devices. | 01-27-2011 |
| 20110022713 | Method and System for Leasing of Network Services and Applications Based on a Usage Pattern - Aspects of a method and system for predictive leasing of network services and applications based on a usage pattern may comprise a management entity that coordinates operation of one or more endpoint devices. A user profile associated with the one or more endpoint devices may be received by the management entity, wherein the management entity may utilize the user profile associated with the one or more endpoint devices and a usage pattern associated with the one or more endpoint devices to determine leasing information for the one or more endpoint devices. The management entity may be operable to communicate the determined leasing information to the one or more endpoint devices. The leasing information may comprise leasing services and/or applications to the one or more endpoint devices. | 01-27-2011 |
| 20110022716 | Method And System For Management Based End-To-End Sleep Limitation In an Energy Efficient Ethernet Network - A time limit may be determined for energy efficient networking (EEN) sleep intervals based on end-to-end sleep interval limitations. The time limit may be communicated to other network devices which may limit their sleep time. End-to-end sleep interval limitation information may be received via a user input, packet header information, a standardized and/or non-standardized network management protocol, AVB, SRP, RSVP and SNMP. The EEN sleep interval time limit may be determined based on a number of hops between endpoint devices. Packets may be inspected to determine a packet data type and/or end-to-end sleep interval limitation information. The time limit may be determined based on latency requirements of data streams. A time limit for a port may be determined based on sleep time limits for data streams communicated via the port. The time limits may be statically and/or dynamically configured. The network device may be configured via a network management interface. | 01-27-2011 |
| 20110022721 | METHOD AND SYSTEM FOR PACKETIZING DATA FOR SERVICING TRAFFIC END-TO-END - Aspects of a method and system for packetizing data for servicing traffic end-to-end are provided. In this regard, a networking subsystem may receive, from an application, one or more values of one or more parameters associated with data generated by the application. The networking subsystem may packetize the data into one or more packets. The networking subsystem may translate the received one or more values into one or more corresponding OSI layer 2 tags. The networking subsystem may tag the one or more packets with the corresponding OSI layer 2 tags and transmit the tagged packet(s) to one or more link partners. The link partners may thus process and forward the tagged packet(s) by inspecting only OSI layer 2 information of the tagged packet(s). The one or more corresponding OSI layer 2 tags may indicate, for example, quality of service required by, and/or protocols associated with, the data. | 01-27-2011 |
| 20110022733 | CUSTOMIZED DATA DELIVERY AND NETWORK CONFIGURATION VIA AGGREGATION OF DEVICE ATTRIBUTES - Aspects of a method and system for customized data delivery and network configuration via aggregation of device attributes are provided. In this regard, a first network device may receive device attributes from a plurality of devices that are communicatively coupled to the first network device. The first network device may aggregate the received device attributes and communicate the aggregate attributes to a source network device. The first network device may receive customized content from the source network device, wherein the customization is based on the aggregate device attributes. The first network device may communicate the customized content to the plurality of devices. The first network device may comprise, for example, a set-top box, a wired access point, and/or wireless access point. The device attributes of a device may comprise settings, capabilities, and/or user preferences of the device. | 01-27-2011 |
| 20110022923 | System and Method for Achieving Greater Than 10 Gbit/s Transmission Rates for Twisted Pair Physical Layer Devices - A system and method for achieving greater than 10 Gbit/s transmission rates for twisted pair physical layer devices. An architecture is provided that enables transmission at the next standardized transmission rate over structured cabling. | 01-27-2011 |
| 20110023114 | Method and System For Traffic Management Via Virtual Machine Migration - Aspects of a method and system for traffic management via virtual machine migration include detecting an abnormal traffic pattern in traffic communicated by a first virtual machine that utilizes a first set of network resources. Responsive to the detection of the abnormal pattern, a second virtual machine that utilizes a second set of network resources may be initialized. The second virtual machine may take over functions performed by the first virtual machine and initialization of the second virtual machine is based on an analysis of the traffic. The second virtual machine may be initialized utilizing stored virtual machine sate information in instances that the abnormal traffic is a result of a malicious attack. The second virtual machine may be initialized utilizing current virtual machine state information in instances that the abnormal traffic is not a result of a malicious attack. | 01-27-2011 |
| 20110038381 | METHOD AND SYSTEM FOR FAULT RESILIENCE IN NETWORKS WITH AUDIO/VIDEO BRIDGING AWARE SHORTEST PATH BRIDGING - A first network device may select a plurality of network paths for establishing a plurality of network connections to a second network device. The selection may be based on support of IEEE Audio Video Bridging (AVB) protocols. The first network device may establish at least one of the plurality of connections over each of the selected network paths. The first network device may concurrently transmit and/or receive a plurality of data streams via the established plurality of network connections. At least a second one of the plurality of data streams may comprise data that is redundant to a first one of the plurality of data streams. One of the plurality of network connections may be selected for conveying a primary data stream based on determined path costs of the plurality of network paths, where non-AVB links may be assigned higher path costs than AVB link. | 02-17-2011 |
| 20110051741 | METHOD AND SYSTEM FOR AN ASYMMETRIC PHY OPERATION FOR ETHERNET A/V BRIDGING AND ETHERNET A/V BRIDGING EXTENSIONS - A network device comprising asymmetric, multi-rate, Ethernet MAC and asymmetric, multi-rate, Ethernet PHY communicates signals via a network utilizing A/V bridging services. Higher bandwidth A/V signals are communicated and lower bandwidth signals are received or vice versa. Signals are communicated based on a plurality of different Ethernet protocols and/or data rates. Signals may be communicated based on 10GBASE-T in a first direction and based on a lower rate Ethernet protocol in a second direction. Extended range mode may be utilized. PDUs comprise time stamps, traffic class designations and/or destination addresses. Data rate requests, resource reservation messages and/or registration for delivery of PDUs may be communicated. Time stamps enable end to end transport within a specified latency target. Video signals may be compressed, uncompressed, encrypted, unencrypted and/or formatted for a video display interface. | 03-03-2011 |
| 20110058811 | Method And System For An Asymmetric Optical Phy Operation For Ethernet A/V Bridging And Ethernet A/V Bridging Extensions - A network device comprising an asymmetric, multi-rate, Ethernet, optical MAC and an asymmetric, multi-rate, Ethernet, optical PHY, communicates optical signals via a network utilizing NV bridging services. Higher bandwidth NV optical signals are communicated and lower bandwidth optical signals are received and/or vice versa. Optical signals may be communicated based on a plurality of different single mode Ethernet optical protocols and/or different multimode Ethernet optical protocols. Optical signals may be communicated at 10 Gbps in one direction and at a lower rate in a reverse direction. Extended range mode may be utilized. PDUs comprise time stamps, traffic class designations and/or destination addresses. Data rate requests, resource reservation messages and/or registration for delivery of PDUs may be communicated. Time stamps enable end to end transport within a specified latency target. Video signals may be compressed, uncompressed, encrypted, unencrypted and/or formatted for a video display interface. | 03-10-2011 |
| 20110085454 | System and Method for Auto 10BASE-T/10BASE-Te Selection Based on Cable Characteristics - A system and method for auto 10BASE-T/10BASE-Te selection based on cable characteristics. IEEE 802.3az defines a new 10BASE-Te PHY type for energy efficiency that runs on Category 5 or better cabling. Configuration of a PHY that supports both 10BASE-T and 10BASE-Te operating modes is based on measurements that provide an indication of channel characteristics. | 04-14-2011 |
| 20110090914 | METHOD AND SYSTEM FOR MANAGING AN ENERGY EFFICIENT NETWORK UTILIZING AUDIO VIDEO BRIDGING - Aspects of a method and system for managing an energy efficient network utilizing Audio Video Bridging are provided. Communications on an Ethernet link may be scheduled into a plurality of recurring time slots, where the scheduling comprises reserving resources of the Ethernet link utilizing the Audio Video Bridging suite of protocols. One or more occurrences of one or more of the recurring time slots may be designated for carrying out an energy efficient networking transaction on the link. The energy efficient networking transaction may be carried out during the designated one or more occurrences of the one or more of the recurring time slots. The energy efficient networking transaction may comprise communicating information for scheduling a change in the data rate on the network link. The energy efficient network transaction may comprise communicating information for implementing the change in the data rate. | 04-21-2011 |
| 20110107116 | System and Method for Power Over Ethernet Enabled Network Management - A system and method for power over Ethernet enabled network management. An intermediary device is positioned between a computing device and a network. The intermediary device can be designed to wake up a part of the computing device (e.g., network interface) through the application of power via power over Ethernet. The transition of the part of the computing device from a sleep state to an active state can facilitate the further initiation of a management function. For example, the transition of a network interface of the computing device from a sleep state to an active state can facilitate the processing of a wake on LAN message, retrieval of information, maintenance, or other communication need. | 05-05-2011 |
| 20110107414 | System and Method for Location Assisted Virtual Private Networks - A system and method for location assisted virtual private networks (VPNs). Users can create location uncertainty by logging into a VPN server that geographically remote from the present location. Geographic information provided by a VPN client along with or in combination with identification information can be used to resolve such location uncertainty. An accurate indication of the location of a VPN client can be used for operations, administration, maintenance, and provisioning purposes. | 05-05-2011 |
| 20110113276 | Physical Separation and Recognition Mechanism for a Switch and a Power Supply for Power Over Ethernet (POE) in Enterprise Environments - A Power-over-Ethernet (PoE) communication system dynamically provides power and data communications over a communications link. In an enterprise environment, a table top network switch uses a power supply to provide power for PoE and data communications to one or more powered devices (e.g., personal or laptop computers). To reduce the amount of heat generated in the table top network switch, the power supply is located external to the table network switch. The table top network switch may also include enterprise equipment, such as a video projector, a monitor for a personal computing device, another personal computing device to provide some examples. The power supply for the enterprise equipment may be included within the table top network switch to provide additional integration. The power for PoE and data communications to a limited number of powered devices (e.g., personal or laptop computers) may be included within the table top network switch to provide even further integration. | 05-12-2011 |
| 20110122891 | Variable Rate Twisted pair, Backplane and Direct Attach Copper Physical Layer Devices - Variable rate twisted pair, backplane and direct attach copper physical layer devices (PHYs). A variable-rate PHY can be designed to identify a mode of operation based on identified characteristics of a communication channel. The identified mode of operation can support a data rate lower than that of a connected media access control (MAC). The lower data rate promotes reuse of legacy media and existing MACs. | 05-26-2011 |
| 20110122956 | METHOD AND SYSTEM FOR UTILIZING A RESERVED AND/OR OUT OF BAND CHANNEL FOR MAINTAINING A NETWORK CONNECTION - Aspects of a method and system for utilization of an reserved and/or out of band channel for maintaining a network connection are provided. In this regard, information relating to training of one or more link partners communicatively coupled to an Ethernet link may be exchanged via a reserved and/or out of band channel on the Ethernet link. The reserved and/or out of band channel may be an auxiliary channel as specified by the IEEE802.1AN standard. The reserved and/or out of band channel may be utilized for scheduling training of one or more of the link partners, determining which of the link partners require training, synchronizing training of the link partners, training the link partners based on changes in environmental conditions. The training may comprise configuring an echo canceller a far-end crosstalk canceller, and/or a near-end crosstalk canceller. | 05-26-2011 |
| 20110131428 | Intelligent Power Over Ethernet Power Management for Personal Computing Devices in Enterprise Environments - A Power-over-Ethernet (PoE) communication system dynamically provides power and data communications over a communications link. In an enterprise environment made up of one or more personal computing devices (e.g., personal or laptop computers), a switch determines an allocated amount of power to be supplied to each device. The system includes a switch, a power supply, and one or more personal computing devices having a PoE control module. The PoE control module can be part of, for example, a Power Source Equipment/Powered Device (PSE/PD) system or a LAN-On-Motherboard/Powered Device (LOM/PD) system. A method of dynamically providing power to personal computing devices includes determining the power requirements of each device based on one or more factors, which can include, for example, battery charge status, power load, power mode, etc., of each device. Various algorithms can be used to decide priority in providing power to the devices. | 06-02-2011 |
| 20110145442 | System and Method for Adjusting Compression for Computing Clients Based on a Latency Level - A system and method for adjusting a level of compression for endpoint devices. Endpoint devices in a network can stream audio/video traffic over a network. Such a connection between the endpoint devices can be reserved with guarantees of latency being obtained. Latency guarantees across multiple intermediary switches can be used to define a compression level for the end devices. | 06-16-2011 |
| 20110145606 | System and Method for Implementing Fairness in the Powering of Computing Devices in a Power over Ethernet Application - A system and method for implementing fairness in the powering of computing devices in a power over Ethernet (PoE) application. Power supplies in a power sourcing equipment are often oversubscribed. This oversubscription can lead to starvation of certain computing devices that have power requests that are not granted relative to competing requests. A fairness consideration can be implemented to ensure that starvation conditions are avoided. | 06-16-2011 |
| 20110156937 | Multi-Speed Burst Mode Serializer/De-Serializer - A multi-speed burst mode serializer/de-serializer (SerDes) is configurable and can operate in one of a plurality of operating modes. The plurality of operating modes correspond to the reception of signals from optical network units that operate at different nominal speeds. These various modes of operation can enable a single SerDes design to apply to a variety of speeds and network configurations (e.g., point-to-point or point-to-multipoint). In one example, the design can be initially configured for operation with a single ONT or a network of ONTs at a single speed, or can be dynamically configured during operation for use with a network of ONTs operating at different speeds. | 06-30-2011 |
| 20110161522 | System and Method for Enhanced Energy Control Policy for Unmanaged Switch Applications - A system and method for enhanced energy control policy for unmanaged device applications. EEE control customizations are provided to a profile element (e.g., PROM, EEPROM, flash memory, system memory, input pins, etc.) that is included in the unmanaged device. The configuration information stored in profile element is accessed by an EEE control policy for customization of the EEE control policy. In one embodiment, the EEE control customization can be generated by another device (e.g., managed device) separate from the unmanaged device. | 06-30-2011 |