Patent application number | Description | Published |
20100220724 | METRO ETHERNET SERVICE ENHANCEMENTS - Numerous enhancements to metro Ethernet network (MEN) services include an enhancement of the overall MEN Quality of Service (QoS) architecture, an enhancement to classification at the provider edge, the use of Ethernet QoS classes, enhancements to policing and marking at ingress provider edge equipment, the provision of traffic management functions at egress provider edge equipment, the use of multiple Ethernet virtual connections (EVCs) and Aggregate EVCs, an enhancement to QoS across an external network-network interface and an enhancement to treatment of Ethernet service frames in a core network. | 09-02-2010 |
20110051723 | ETHERNET DIFFERENTIATED SERVICES ARCHITECTURE - An edge node of a communication network and method to classify incoming Ethernet traffic based on predetermined criteria. An ingress switch is configured to receive an incoming Ethernet frame. A frame classifier is configured to identify flows and to correlate a flow to a corresponding bandwidth profile and corresponding forwarding treatments defined for the flow. | 03-03-2011 |
20120087358 | METHOD AND SYSTEM FOR ENHANCED CONTENTION AVOIDANCE IN MULTI-USER MULTIPLE-INPUT-MULTIPLE-OUTPUT WIRELESS NETWORKS - Wireless medium reservation for simultaneous transmission of multiple downlink spatial streams to multiple receiver wireless stations during a multi-user transmit opportunity over a wireless medium, is provided. Such a reservation includes reserving a transmission period for simultaneously transmitting data from a transmitting station to multiple intended receiving stations on multiple downlink spatial streams over a wireless communication medium. Reserving the transmission period includes transmitting a multi-user request-to-send (MU-RTS) frame to the multiple receiving stations, the RTS frame including a receiver address (RA) field comprising compressed addresses for the multiple receiving stations. The MU-RTS frame includes an indication field that indicates the RTS frame as an MU-RTS without altering the RTS frame type/subtype. | 04-12-2012 |
20120142391 | ACCESS POINT FOR ASSIGNING GROUP ID AND METHOD OF ASSIGNING GROUP ID - Provided is an access point that may transmit information about a data receiving terminal that receives data from the access point, to a terminal, using a limited number of bits. Using an overloading scheme, information about multiple terminals may be expressed based on a limited number of bits. | 06-07-2012 |
20120155259 | ACCESS CATEGORY ENFORCEMENT IN WIRELESS LOCAL AREA NETWORKS - The present invention provides a control function in an access point, switch, or like node on a wireless local area network. The control function operates to ensure frames transmitted by a user terminal are transmitted using an appropriate transmission priority scheme. The control function will assist and provide an appropriate priority level to the user terminal. Frames transmitted from the user terminal are passed through the control function, which will analyze priority level information provided in the frames to determine if the frames were transmitted using the appropriate transmission priority scheme. An enforcement action may be taken in response to identifying frames that were not transmitted using the appropriate transmission priority scheme. | 06-21-2012 |
20120207071 | ENHANCED POWER SAVE MULTI-POLL (PSMP) PROTOCOL FOR MULTI-USER MIMO BASED WIRELESS LOCAL AREA NETWORKS - Wireless communication in a wireless communication system, comprises maintaining data blocks at a wireless transmitting station for transmission to multiple wireless receiving stations over a shared wireless communication medium, and simultaneously transmitting data blocks from the transmitting station over multiple spatial streams to multiple destination wireless receiving stations in a power save multi-poll (PSMP) sequence, via the wireless communication medium. | 08-16-2012 |
20130033983 | Access Category Enforcement in Wireless Local Area Networks - The present invention provides a control function in an access point, switch, or like node on a wireless local area network. The control function operates to ensure frames transmitted by a user terminal are transmitted using an appropriate transmission priority scheme. The control function will assist and provide an appropriate priority level to the user terminal. Frames transmitted from the user terminal are passed through the control function, which will analyze priority level information provided in the frames to determine if the frames were transmitted using the appropriate transmission priority scheme. An enforcement action may be taken in response to identifying frames that were not transmitted using the appropriate transmission priority scheme. | 02-07-2013 |
20130039215 | System and Method for Direct Multi-User Transmission - A method for transmitting to a plurality of responder stations includes configuring a first responder station for direct link communications, the first responder station being configured with a first group identifier and a first position. The method also includes configuring a second responder station for direct link communications, the second responder station being configured with a second group identifier and a second position. The method further includes transmitting to both the first responder station and the second responder station in a first single transmission, the first single transmission including first information for the first responder station and second information for the second responder station, where the first information is labeled with the first group identifier and located in the first position, and the second information is labeled with the second group identifier and located in the second position. | 02-14-2013 |
20130064166 | System and Method for Direct Multi-User Transmission - A method for transmitting to a plurality of responder stations includes transmitting a first direct link setup request message to a first responder station via an access point, the first direct link setup request message including a first group identifier, the first group identifier being received from a communications controller and being associated with the first responder station, and transmitting a second direct link setup request message to a second responder station via the access point, the second setup request message including a second group identifier, the second group identifier being received from the communications controller and being associated with the second responder station. The method also includes transmitting data to the first responder station and the second responder station in a single transmission. | 03-14-2013 |
20130114411 | METHOD AND SYSTEM FOR PACKET DISCARD PRECEDENCE FOR VIDEO TRANSPORT - Discard precedence priority of packets carrying an encoded video stream in a packet network is determined based on priority information included in the encoded video stream. A video streamer segments an encoded video stream and encapsulates the segment in an Internet Protocol (IP) packet. Priority information associated with the IP packet is determined based on at least one priority indicator associated with the segment that was included in the encoded video stream. Alternately, priority information associated with an Ethernet frame is determined based on at least one priority indicator associated with the segment that was included in the encoded video stream. | 05-09-2013 |
20130148644 | System and Method for Preambles in a Wireless Communications Network - A method for transmitting a frame includes generating an omni portion of the frame, the omni portion including a non-beamformed long training field and a signal field, the non-beamformed long training field including channel estimation information used to decode the signal field, the non-beamformed long training field configured to be transmitted through one of multiple antennas and multiple streams. The method also includes generating a multi-stream portion of the frame, the multi-stream portion including a data field and a multi-stream long training field, the multi-stream long training field including station-specific decoding information for station-specific data in the data field. The method further includes applying a beamforming indicator to the signal field of the omni portion, and transmitting the frame. | 06-13-2013 |
20130155929 | System and Method for Communicating Using Short-Header Frames - A method for communicating information from a power-constrained device includes configuring, by the power-constrained device, a short media access control (MAC) frame having fewer fields than a full-length MAC frame. The method also includes transmitting, by the power-constrained device, the short MAC frame. | 06-20-2013 |
20130177002 | Systems and Methods for AP Discovery with FILS Beacon - A method and apparatus are disclosed for supporting access point (AP) discovery by a handset/station (STA) using a fast initial link setup (FILS) discovery frame. An embodiment method includes transmitting a plurality of FILS discovery frames at faster time intervals than designated for transmitting standard AP beacons, wherein the FILS discovery frames have a smaller size than standard AP beacons. An embodiment apparatus includes a processor and a computer readable storage medium storing programming for execution by the processor, the programming including instructions to broadcast a standard AP beacon for advertising a basic service set (BSS) repeatedly at subsequent time intervals, and broadcast a FILS discovery frame for advertising the BSS repeatedly at faster subsequent time intervals than for the standard AP beacon, wherein the FILS discovery frame has a smaller size than the standard AP beacon. | 07-11-2013 |
20130195167 | System and Method for Non-Interleaved Signal Field - Efficient decoding in IEEE 802.11ah networks can be achieved by transmitting the signal (SIG) preamble field without interleaving bits within the SIG field. This may allow channel equalization and decoding steps to be performed contemporaneously upon reception of the frame, which allows for the implementation of non-linear channel equalization techniques (e.g., maximum likelihood (ML) equalization, etc. | 08-01-2013 |
20130216002 | Dual-Stream Signal (SIG) Field Encoding with Higher Order Modulation - Signal (SIF) field capacity can be significantly increased by encoding SIG field data using two streams in accordance with a space-time block code (STBC) encoding scheme. Dual-stream SIG field encoding allows for the utilization of higher order modulation schemes, such as quadrature phase-shift keying (QPSK), which increases SIG field capacity. Dual-stream encoded SIG fields are transmitted using an omnidirectional beam to allow mobile stations to accurately decode the SIG field irrespective of their spatial location. | 08-22-2013 |
20130223313 | System and Method for Scheduling Communications - A method for operating a station includes scheduling a first appointment at a first time with an access point to communicate with the access point in response to a first message from the access point, wherein the first message indicates that the station has ownership of a communications medium used by the station at the first time. The method also includes transmitting a second message to the access point in accordance with the first appointment. | 08-29-2013 |
20130235859 | 802.11 PHY HASHED SSID - An access point (AP) hashes its SSID/BSSID according to a hashing function H and transmits wirelessly the hashed SSID/BSSID within a physical layer frame/packet to a user station (STA). The hashed SSID/BSSID uniquely identifies the AP. In one embodiment, the hashed SSID/BSSID is transmitted within a SIGNAL field of a preamble with the frame/packet. Upon receipt, the user station recovers the hashed SSID/BSSID and compares it to an expected hashed SSID/BSSID (calculated using the same hashing function H and a desired SSID/BSSID). In response to the comparison, the user station performs one or more actions. | 09-12-2013 |
20130294328 | System and Method for Radio Frequency Repeating - In one embodiment, a method for relaying frames including receiving, by a repeater from a first station, a first frame, where the first frame has a first header having a first indicator and determining whether the first frame will be relayed in accordance with the first indicator. The method also includes transmitting, by the repeater to an access point, the first frame when the first frame is determined to be relayed. | 11-07-2013 |
20130308447 | Systems and Methods to Provision Quality of Service Sensitive Devices in Wireless Local Area Networks - System and method embodiments are provided for provisioning a quality of cellular user experience (QoE) or quality of service (QoS) specified device in a wireless local area network (LAN). The embodiments enable a QoE or QoS specified by a service agreement for a device to be maintained during periods when the device is transmitting data to and receiving data from the wireless LAN (e.g., a WiFi hotspot). In an embodiment, a method includes determining that at least one QoS-sensitive device is communicating with a wireless LAN access point (AP), reserving a contention free period (CFP) in a superframe for the at least one QoS-sensitive device to communicate with the AP, and allocating a contention period (CP) in the superframe for non-QoS-sensitive devices to communicate with the AP, wherein the non-QoS-sensitive devices are prohibited from transmitting during the CFP. | 11-21-2013 |
20130315244 | VLAN SUPPORT OF DIFFERENTIATED SERVICES - The two types of virtual local area networks (VLANs) may be defined: p-bits-Inferred-scheduling class VLAN (p-VLAN); and VLAN- | 11-28-2013 |
20140056204 | Systems and Methods for Interference Alignment in Wi-Fi - System and method embodiments are provided for interference alignment in a wireless local area network (LAN) with an overlapping basic service set (OBSS). In an embodiment, a method includes instructing a first access point (AP) in the wireless LAN to broadcast a null data packet (NDP) sounding packet to a plurality of stations when no other AP is broadcasting, wherein the NDP sounding packet comprises a plurality of long training field (LTFs), and wherein a total number of LTFs is equal to a total number of transmission streams, receiving channel beamforming (BF) information and a signal plus interference to noise ratio (SINR) from each of the stations, wherein each of the stations computes the channel BF information and the SINR from sounding packets received from each of the APs in the wireless LAN, and determining a transmission schedule according to the SINRs and the channel BF information. | 02-27-2014 |
20140056205 | System and Method for a Collaborative Service Set - In one embodiment, a collaborative service set (CSS) includes a controller access point (AP) configured to be associated with a first plurality of stations and a first member AP, where the first member AP is associated with a second plurality of stations, where the controller AP is configured to coordinate transmissions between the first member AP and the second plurality of stations with transmissions between the controller AP and the first plurality of stations, where the controller AP and the first member AP are configured to transmit messages simultaneously. | 02-27-2014 |
20140086251 | ETHERNET DIFFERENTIATED SERVICES ARCHITECTURE - An edge node of a communication network and method to classify incoming Ethernet traffic based on predetermined criteria. An ingress switch is configured to receive an incoming Ethernet frame. A frame classifier is configured to identify flows and to correlate a flow to a corresponding bandwidth profile and corresponding forwarding treatments defined for the flow. | 03-27-2014 |
20140119300 | System and Method for User Cooperation Protocol for Interference Alignment in Wireless Networks - Embodiments are provided herein for implementing a user cooperation protocol for interference alignment (IA) in wireless local area network (WLAN) or a Wi-Fi hotspot. The embodiments allow collecting knowledge of the channels from user stations (STAs) and sending this information to the corresponding access points (APs) in the network. This information is then used by the APs to pre-code their signals such as to remove interfering signals to non-intended STAs. An AP transmits to the STAs a group identifier (GrpID) indicating an order of STAs for transmitting channel state information (CSI) and an AP index indicating an order of STA groups of the APs for transmitting the CSI. When a STA detects a CSI transmission from another STA preceding the STA in the order of transmission as indicated by the AP index and GrpID, the STA transmits its CSI. | 05-01-2014 |
20140146820 | METHOD AND SYSTEM FOR QUALITY OF SERVICE SUPPORT FOR ETHERNET MULTISERVICE INTERWORKING OVER MULTIPROTOCOL LABEL SWITCHING - A method and system for maintaining quality of service parameters for transmissions as a native Ethernet service between a first network having a first communication protocol and a second network having a second communication protocol. The interworking device includes a first network interface operable to communicate with the first communication network using the first communication protocol, a second network interface operable to communicate with the second communication network using second communication protocol and a processing unit in communication with the first network interface and the second network interface. The processing unit receives a frame from the first network in the first communication protocol, maps parameters corresponding to quality of service parameters in the first communication protocol to quality of service parameters in the second communication protocol and assembles a data packet in the second communication protocol. The assembled data packet includes mapped quality of service parameters. | 05-29-2014 |
20140169339 | Systems and Methods to Achieve Fairness in Wireless LANs for Cellular Offloading - System and method embodiments are included to provide various degrees of time allocation fairness to users using varying target transmission opportunity (TXOP) values. In one embodiment, a method for promoting various degrees of fairness for users in a wireless network includes assigning a target TXOP value for one or more users in the wireless network, wherein the target TXOP value indicates a number of time units for transmissions to be met on average over time by the one or more users, and transmitting the target TXOP value to the one or more users. In another embodiment, a method includes receiving a TXOP value from the wireless network, wherein the target TXOP value indicates a number of time units allocated for transmissions, and transmitting traffic over a plurality of time periods that have an average duration about equal to the number of time units. | 06-19-2014 |
20140204746 | OpenFlow Enabled WiFi Management Entity Architecture - System and method embodiments are provided to improve offloading traffic from mobile operators networks via a WiFi network. The embodiments also include schemes to offload traffic between WiFi networks. The embodiments include a network component comprising a WiFi management entity (WiME) configured to serve as an anchor point for a user device at a WiFi network and communicate with a management entity at a wireless network using OpenFlow protocol to handle a plurality of control and mobility functionalities for traffic in the WiFi network, wherein the control and mobility functionalities include offloading traffic for the user device from the wireless network to the WiFi network. | 07-24-2014 |
20140219096 | ETHERNET LAN SERVICE ENHANCEMENTS - Numerous enhancements to metro Ethernet network (MEN) E-LAN services and IETF Virtual Private LAN Service (VPLS) include an enhancement of the overall Quality of Service (QoS) architecture, an enhancement to classification at the provider edge, the use of Ethernet QoS classes, enhancements to policing and marking at ingress provider edge equipment, the provision of traffic management functions at egress provider edge equipment, the use of multiple Ethernet virtual connections (EVCs) and Aggregate EVCs, an enhancement to QoS across an external network-network interface and an enhancement to treatment of Ethernet service frames in a core network. | 08-07-2014 |
20140293791 | ETHERNET DIFFERENTIATED SERVICES CONDITIONING - A network includes an edge node configured to define the per-hop behaviors using a set of bits in an Ethernet header of a frame and a core node configured to receive the frame and to forward the frame according to the per-hop-behaviors. The network can also include a defined set of differentiated service classes, each differentiated service class associated with the set of per-hop behaviors, indicated in the set of priority bits. The network classifies the Ethernet frame based on at least one of a set of priority bits or information in at least one protocol layer in the frame header of the Ethernet frame and determines a per-hop behavior based on the classification. | 10-02-2014 |
20140328242 | System and Method for Wi-Fi Downlink-Uplink Protocol Design for Uplink Interference Alignment - Embodiments are provided to enable concurrent uplink transmissions from multiple Wi-Fi stations (STAs) to one or more access points (APs) using Interference Alignment (IA). In an embodiment, the STAs broadcast, to one or more APs, beamforming reports including channel estimation information for downlink. The one or more AP then performs channel estimation using the beamforming reports, and selects at least some of the STAs. The AP also computes beamforming information for IA of uplink transmissions between the selected STAs and sends, to the selected STAs, the beamforming information. The beamforming information is piggy-backed over downlink data packets to the selected STAs. Each selected STA then sends an uplink data frame concurrently with one or more other uplink data frames from one or more other selected STAs to the AP. The uplink data frames are configured for concurrent uplink transmissions according to the beamforming information for IA. | 11-06-2014 |
20140341129 | Systems and Methods for Operation of Wireless User Devices with Cellular and Wi-Fi Interfaces - An embodiment method for wireless communication includes grouping a plurality of user equipments (UEs) wirelessly coupled to a cellular base station (BS) into a UE cluster to function as a Wi-Fi virtual station (V-STA), and communicating with an access point (AP) to contend for a Wi-Fi transmission opportunity (TXOP) for the V-STA. In a further embodiment, the cellular BS contends for the TXOP on behalf of the UE cluster using a carrier sense multiple access with collision avoidance (CSMA-CA) procedure. In an alternative embodiment, one UE in the UE cluster is selected as a leader UE to contend for the TXOP on behalf of the UE cluster using a CSMA-CA procedure. | 11-20-2014 |
20150023440 | Systems and Methods for Trellis Coded Quantization Based Channel Feedback - System and method embodiments are provided for Trellis Coded Quantization (TCQ) based channel feedback. The embodiments provide full channel state information with a short feedback size to a scheduler in order for the scheduler to apply advanced beamforming schemes, such as those designed in non-linear precoder methods. In an embodiment, a method in a station for providing channel feedback to a transmission point (TP) in a wireless system includes receiving a signal from the TP; estimating channel parameters for the signal; applying a TCQ scheme to the estimated channel parameters to map the channel estimate parameters to trellis codes; and transmitting full channel state information to the TP, wherein the full channel state information comprises output of a Viterbi algorithm (VA) corresponding to the trellis codes. | 01-22-2015 |
20150131756 | System and Method for High Efficiency Wireless Local Area Network Communications - System and method embodiments are provided for high efficiency wireless communications. In an embodiment, a method in a network component for transmitting a frame of two different fast Fourier transform (FFT) sizes includes generating a frame, wherein the frame comprises orthogonal frequency-division multiplexing (OFDM) symbols in two different FFT sizes, wherein the frame comprises a first portion and a second portion, wherein the first portion comprises a first FFT size and the second portion comprises a second FFT size; and transmitting the frame during a single transmission opportunity. | 05-14-2015 |
20150215818 | Dual-Stream Signal (SIG) Field Encoding with Higher Order Modulation - Signal (SIF) field capacity can be significantly increased by encoding SIG field data using two streams in accordance with a space-time block code (STBC) encoding scheme. Dual-stream SIG field encoding allows for the utilization of higher order modulation schemes, such as quadrature phase-shift keying (QPSK), which increases SIG field capacity. Dual-stream encoded SIG fields are transmitted using an omnidirectional beam to allow mobile stations to accurately decode the SIG field irrespective of their spatial location. | 07-30-2015 |
20150271668 | FAST AUTHENTICATION FOR INTER-DOMAIN HANDOVERS - Fast mobile device authentication can be achieved during inter-domain handovers between administrative domains operating under a federated service agreement using pseudonym identifications (PID). Specifically, the mobile device may derive a PID when obtaining authentication in a first wireless network, and then use the PID to obtain fast authentication in a second wireless network. The PID may be generated during an Elliptic curve Diffie-Hellman (ECDH) authentication procedure using public keys associated with the mobile device and the first wireless network. The PID (or a derivative thereof) may then be provided to an authentication server in a second wireless network for validation. The PID may be validated by the second authentication server via online or offline validation procedures. The PID can also be used as an electronic coupon for accessing the second network. | 09-24-2015 |
20150271704 | System and Method for Preambles in a Wireless Communications Network - A method for transmitting a frame includes generating an omni portion of the frame, the omni portion including a non-beamformed long training field and a signal field, the non-beamformed long training field including channel estimation information used to decode the signal field, the non-beamformed long training field configured to be transmitted through one of multiple antennas and multiple streams. The method also includes generating a multi-stream portion of the frame, the multi-stream portion including a data field and a multi-stream long training field, the multi-stream long training field including station-specific decoding information for station-specific data in the data field. The method further includes applying a beamforming indicator to the signal field of the omni portion, and transmitting the frame. | 09-24-2015 |
20150327217 | System and Method for Orthogonal Frequency Division Multiple Access Communications - A method for operating a communications device adapted for orthogonal frequency division multiple access (OFDMA) wireless local area network (WLAN) communications includes generating an OFDMA preamble comprising an OFDMA signal (SIG) field including an indication of an allocation of an OFDMA resource to a station, and transmitting the OFDMA preamble in a frame. | 11-12-2015 |
20150341933 | System and Method for OFDMA Resource Management in WLAN - Embodiments are provided for implementing a control function in a Wireless Local Area Network (WLAN) for allocation of resources to multiple stations (STAs) to enable Orthogonal Frequency Division Multiple Access (OFDMA) communications. An embodiment method includes determining a plurality of transmission resources for OFDMA communications of a plurality of STAs in the WLAN. The determination includes allocating a plurality of subcarriers to the STAs. The method further includes signaling the determined transmission resources to the STAs. The signaling of the transmission resources is piggybacked on at least one of data and management frames, such as in a sub-header of a MAC frame, or is an explicit signaling, such as in one or more dedicated fields of a traffic specification information element. The transmission resources for OFDMA communications allow simultaneous transmissions of the STAs in the WLAN. | 11-26-2015 |
20150358069 | System and Method for Radio Frequency Repeating - In one embodiment, a method includes determining whether a station is a power constrained device and setting an indicator in a header of a frame in accordance with whether the station is a power constrained device. The method also includes transmitting, by the station to a first device, the frame. | 12-10-2015 |
20150365203 | System and Method for Orthogonal Frequency Division Multiple Access (OFDMA) Resource Allocation - An orthogonal frequency division multiple access (OFDMA) frame includes a 256 tone payload. The 256 tone payload may consist of either 234 data tones when the payload is carried in a downlink transmission. The 256 tone payload may consist of 216 data tones when the payload is carried in an uplink transmission. In addition, the OFDMA frame may include one or more resource units (RUs). Each of the one or more RUs may consist of either an integer multiple of 26 data tones or an integer multiple of 24 data tones and 2 pilot tones. Another embodiment OFDMA frame comprises a symbol-based RU (SRU) that may include an integer multiple of 2 pilots tones and either an integer multiple of 24 data tones or an integer multiple of 26 data tones. | 12-17-2015 |
20150365257 | System and Method for OFDMA Resource Allocation - Channel estimation performance may be improved by including more long training fields (LTFs) in a frame than Institute of Electrical and Electronic Engineers (IEEE) technical standard (TS) 802.11ac requires for the number of space-time streams. This may be particularly advantageous in orthogonal frequency division multiple access (OFDMA) networks, as it may allow the LTF sections of frames carrying different numbers of space-time streams to be aligned in the time domain. | 12-17-2015 |
20150365922 | System and Method for OFDMA Tone Allocation in Next Generation Wi-Fi Networks - An orthogonal frequency division multiple access (OFDMA) frame tone allocation includes a 256 tone payload consisting of 228 data and pilot tones and 28 null tones. The 28 null tones consist of guard tones and at least one direct current (DC) tone. In one example, the 256 tone payload consists of 224 data tones, 4 common pilot tones, and 28 null tones. In another example, the 256 tone payload consists of 222 data tones, 6 common pilot tones, and 28 null tones. In yet another example, the 256 tone payload may consist of 220 data tones, 8 common pilot tones, and 28 null tones. The OFDMA frame may be a downlink OFDMA frame or an uplink OFDMA frame. | 12-17-2015 |
20150365947 | System and Method for Orthogonal Frequency Division Multiple Access - An embodiment OFDMA frame includes a header with signal (SIG) fields that are encoded at different sampling rates than one another. In one example, a first signal field is encoded at a 64 point fast frequency transform (FFT) sampling rate, and the second SIG field is encoded at a 256 point FFT sampling rate. The first SIG field may carry parameters for decoding the second SIG field, and the second SIG field may carry resource allocation information for a payload of the OFDMA frame. The first SIG field may carry an identifier of an access point that transmits the OFDMA frame. | 12-17-2015 |
20160029226 | System and Methods for Enabling Coordinated Beamforming in Overlapping Basic Service Set in WLAN - Embodiments are provided for enabling a beamforming mechanism in WLAN OBSSs. In an embodiment, a first AP of the OBSSs decides to participate in coordinated beamforming for the OBSSs. The OBSSs comprise a plurality of APs and a plurality of STAs associated with the APs. The AP thus transmits, periodically, a coordinated beamforming (CB) announcement message indicating an ID of the first AP and an ID of each STA associated with the first AP. When a second AP of the OBSSs receives the message from the first AP, the second AP maintains the ID of the first AP and the ID of each STA associated with the first AP in an entry of a CB table. When the second AP stops receiving the message, the second AP removes, from the CB table, the entry of the IDs of the first AP and its associated STAs. | 01-28-2016 |
20160029227 | System and Method for Coordinated Beamforming for Overlapping Basic Service Set in WLAN - Embodiments are provided for enabling a coordinated beamforming (CB) mechanism in WLAN scenarios. In an embodiment, an AP sends a Feedback Request (FBR) frame to each one of the STAs in the OBSSs. The OBSSs comprise the STAs and a plurality of APs including the AP. The AP then receives a feedback frame from each STA of the STAs that participate in the CB transmission. The feedback frame includes channel state information (CSI) of the STA. The CSI enables the sending AP of performing CB on downlink. In an embodiment, the AP receives an initiate CB frame from a second AP initiating a CB transmission, and then sends an ACK frame to the second AP before sending the FBR frame to each one of the STAs. The AP starts the CB transmission with each one of the other APs that participate in the CB transmission. | 01-28-2016 |
20160050052 | System and Method for Orthogonal Frequency Division Multiple Access (OFDMA) Transmission - An OFDMA subframe carrying different data fields in different time segments may include a separate short training field (STF), and a separate set of long training fields (LTFs), for each of the data fields to accommodate time-reuse scheduling. Communicating a separate STF for each data field may allow receivers to re-adjust automatic gain control (AGC) when the data fields carry different numbers of space-time-streams Likewise, communicating separate sets of LTFs for each data field may allow different beamforming parameters to be applied to different data fields. | 02-18-2016 |
20160066313 | System and Method for Cumulative Beacons - A method for operating a first access point of a first plurality of access points comprising access points participating in cumulative beacon operations includes generating a cumulative beacon including basic service set identifiers (BSSIDs) and service set identifiers (SSIDs) of each access point in the first plurality of access points, and sending the cumulative beacon. | 03-03-2016 |
20160088637 | Systems and Methods for Interference Alignment in Wi-Fi - System and method embodiments are provided for interference alignment in a wireless local area network (LAN) with an overlapping basic service set (OBSS). In an embodiment, a method includes instructing a first access point (AP) in the wireless LAN to broadcast a null data packet (NDP) sounding packet to a plurality of stations when no other AP is broadcasting, wherein the NDP sounding packet comprises a plurality of long training field (LTFs), and wherein a total number of LTFs is equal to a total number of transmission streams, receiving channel beamforming (BF) information and a signal plus interference to noise ratio (SINR) from each of the stations, wherein each of the stations computes the channel BF information and the SINR from sounding packets received from each of the APs in the wireless LAN, and determining a transmission schedule according to the SINRs and the channel BF information. | 03-24-2016 |
20160088669 | System and Method for Direct Multi-User Transmission - A method for transmitting to a plurality of responder stations includes transmitting a first direct link setup request message to a first responder station via an access point, the first direct link setup request message including a first group identifier, the first group identifier being received from a communications controller and being associated with the first responder station, and transmitting a second direct link setup request message to a second responder station via the access point, the second setup request message including a second group identifier, the second group identifier being received from the communications controller and being associated with the second responder station. The method also includes transmitting data to the first responder station and the second responder station in a single transmission. | 03-24-2016 |
20160105261 | System and Method for Space-Time Block Coded Communications - A method for wireless communications includes encoding a training sequence thereby producing an encoded training sequence, placing the encoded training sequence in a first part of a multi-part preamble, and transmitting the multi-part preamble using a first transmit antenna and a second transmit antenna. | 04-14-2016 |
20160119171 | System and Method for Wireless Communication Using Space-Time Block Code Encoding - An embodiment provides a method for wireless communications including an access point (AP) space-time block code (STBC) encoding a high efficiency wireless local area network (WLAN) (HEW) signal A (SIGA) fields, and transmitting a preamble comprising a duplicate stream portion including a repeated legacy long training field, and comprising a two-stream portion including the STBC-encoded HEW SIGA fields. In further embodiments, the method includes the duplicate stream portion including a pair of SIG-LTFs (or alternatively a compressed SIG-LTF) which is used for channel estimation and auto-detection. | 04-28-2016 |
Patent application number | Description | Published |
20090232220 | System and method for reformatting digital broadcast multimedia for a mobile device - A system and a method reformat digital broadcast multimedia for a mobile device. The system and the method reformat and/or repackage audiovisual content into a format that may be rendered on the mobile device without the need for additional custom software on the mobile device. The system and the method reformat incoming mobile broadcast audiovisual content into 3GPP Progressive Download format in real time while simultaneously delivering a resulting 3GPP Progressive Download file to the mobile device for rendering. | 09-17-2009 |
20100070646 | System and method for transferring multiple data channels - A system and a method transfer multiple data channels between a server and a terminal via a stream session over a network. The system and the method utilize a bitstream switching, a fast buffer filling and/or a fast playback start to facilitate a switch from a first data channel and a second data channel. The server transfers second data of the second data channel to the terminal via one or more tracks which are encoded at more than one bitrate and/or are configured in one or more configurations. The terminal requests a change between the first track and/or the second track without terminating the stream session for the first data channel between the terminal and the server. As a result, the system and/or the method minimizes the delay period of time between requesting the switch to the second data channel and displaying the second data channel. | 03-18-2010 |
20100332565 | System and method for managing and/or rendering internet multimedia content in a network - A system and a method render internet multimedia content in a network using an application to render the internet multimedia content and/or locally stored multimedia content on one or more rendering devices in the network. The application may provide web browser functions, such as, for example, receiving, processing, decoding and/or rendering the internet multimedia content. The application may have an enhanced user interface which may enable a user to select the internet multimedia content and a rendering device in the network, send the internet multimedia content to the rendering device and/or control rendering of the internet multimedia content on the rendering device. | 12-30-2010 |
20110060998 | System and method for managing internet media content - A system and a method manage internet media content by identifying relevant media content associated with a webpage, generating a symbolic representation for the identified media and/or presenting the symbolic representation of the identified media to enable media management, organization, retrieval, consumption and/or redirection functionality to be integrated with a web browsing experience. The system and the method may provide enhanced multimedia functionality integrated with a web browsing experience using an application providing web browser functionality, a plug-in program for an existing web browser, and/or an application associated and/or in communication with a web browser. | 03-10-2011 |
20110131520 | System and method for transferring media content from a mobile device to a home network - A system and a method transfer media content from a mobile device to a home network. A media application on the mobile device may be enabled to share media content with rendering devices in the home network. A user may enable and disable transfer of the media content from the media application to a target rendering device. Further, the media application may indicate visually the target rendering device and whether the media content is currently being transferred. Still further, the user may select a new target rendering device. Moreover, the media application may indicate network errors or other problems which may prevent the rendering of the media content and may enable the user to correct the network errors or the other problems. | 06-02-2011 |
20110183651 | System and method for requesting, retrieving and/or associating contact images on a mobile device - A system and a method request, retrieve and/or associate contact images on a mobile device. An image retrieval application executed by a first mobile device may enable a first user to request images corresponding to one or more contact entries stored by a contact database of the first mobile device and/or associated with second users. The image retrieval application may query one or more image databases accessible to the first mobile device to obtain a first image and/or to associate the first image with a corresponding contact entry in the contact database of the first mobile device. If the image databases do not provide the first image requested by the image retrieval application, the image retrieval application may create and/or may send a request message to the second user, such as, for example, by sending the request message to a second mobile device associated with the second user. | 07-28-2011 |
20120060100 | System and method for transferring media content - A system and a method transfer media content. An application may identify rendering devices in a network and/or may register with an events framework for media-related actions. The application may receive information for a media-related action which specifies media content and an action. The application may identify one or more of the rendering devices as capable of rendering the media content and may use a communication to direct the identified rendering device to render the media content. The identified rendering device may render the media content in response to the communication from the application. | 03-08-2012 |
20120159337 | System and method for recommending media content - A system and a method recommend media content. A recommending user may use a media-capable device to access, discover, identify and/or create the media content. The recommending user may use the media-capable device to generate, create and/or submit a recommendation based on the media content. The recommendation may identify media content to be consumed by one or more viewing users specified by the recommendation. A media experience engine may select, may obtain, may arrange and/or may organize the media content for a media experience session to be viewed by a group of viewing users. The media experience session may be based on the recommendation and the identities of the viewing users available to participate in the media experience session. | 06-21-2012 |
20120210205 | SYSTEM AND METHOD FOR USING AN APPLICATION ON A MOBILE DEVICE TO TRANSFER INTERNET MEDIA CONTENT - A system and a method use an application on a mobile device to transfer internet media content to a rendering device in a home network. The application may use an HTML rendering engine to display a web page to a user of the mobile device, and the web page may have controls for accessing the internet media content. The application may receive a user interaction signal which may indicate that a user invoked one of the controls for accessing the internet media content. In response, the application may initiate transfer of the internet media content to the rendering device in the home network and/or may queue the internet media content for later playback using the rendering device. | 08-16-2012 |
20120324584 | SYSTEM AND METHOD FOR MANAGING AND/OR RENDERING INTERNET MULTIMEDIA CONTENT IN A NETWORK - A system and a method render internet multimedia content in a network using an application to render the internet multimedia content and/or locally stored multimedia content on one or more rendering devices in the network. The application may provide web browser functions, such as, for example, receiving, processing, decoding and/or rendering the internet multimedia content. The application may have an enhanced user interface which may enable a user to select the internet multimedia content and a rendering device in the network, send the internet multimedia content to the rendering device and/or control rendering of the internet multimedia content on the rendering device. | 12-20-2012 |
20140195582 | SYSTEM AND METHOD FOR PROVIDING AN INTER-APPLICATION COMMUNICATION FRAMEWORK - A system and a method provide an inter-application communication framework. A first application executed on a first device may establish communication and/or interaction with a second application executed by a second device and compatible with the first application. The first device may be connected to the second device by a network which enables the communication between the first application and the second application. The first device may support different application frameworks relative to the second device, and the first application and the second application may exist in different application frameworks. The first device may query an application knowledge repository to determine one or more compatible applications which exist in an application framework supported by the second device. In response, the first device may obtain identifiers which may identify the compatible applications in the application framework supported by the second device. | 07-10-2014 |
20140207911 | SYSTEM AND METHOD FOR EMBEDDING MULTIMEDIA CONTROLS AND INDICATIONS IN A WEBPAGE - A system and a method embed multimedia controls and indications in a webpage which may provide access to internet media content. The multimedia controls and indications embedded in the webpage may be accessible using a standard web browser and may enable a user of the standard web browser to invoke enhanced media functions for internet media content available through the webpage. The enhanced browser functions may include redirection of the internet media content to a rendering device in a home network, and the rendering device may be a different device than the browser terminal. The enhanced browser functions may include downloading the internet media content to a media server or other local storage device in the network, and the media server and the other local storage device may each be a different device than the browser terminal. | 07-24-2014 |
20140314155 | System and Method for Transferring Data - A system and a method transmit data in a first codec from a first terminal to a second terminal. The first terminal establishes a connection with the second terminal and/or transmits, transfers and/or sends the data to the second terminal via the connection between the first terminal and the second terminal. The connection between the first terminal and the second terminal has a first channel and/or a second channel to transmit the data from the first terminal to the second terminal. The first terminal transmits the data in a first codec to the second terminal via the first channel and/or the second channel of the connection without receiving capabilities of and/or intentions from the second terminal. The second terminal may be incapable of receiving, of processing, of accepting and/or of displaying the data in the first codec. The capabilities of and/or the intentions from the second terminal is transmitted to the first terminal via the connection. The first terminal switches the data from the first codec to the second codec and/or transmits the data in the second codec to the second terminal via the connection between the first terminal and the second terminal. | 10-23-2014 |
20160048485 | SYSTEM AND METHOD FOR USING AN APPLICATION ON A MOBILE DEVICE TO TRANSFER INTERNET MEDIA CONTENT - A system and a method use an application on a mobile device to transfer internet media content to a rendering device in a home network. The application may use an HTML rendering engine to display a web page to a user of the mobile device, and the web page may have controls for accessing the internet media content. The application may receive a user interaction signal which may indicate that a user invoked one of the controls for accessing the internet media content. In response, the application may initiate transfer of the internet media content to the rendering device in the home network and/or may queue the internet media content for later playback using the rendering device. | 02-18-2016 |
Patent application number | Description | Published |
20140173034 | CONTENT IDENTIFICATION, RETRIEVAL AND ROUTING IN THE INTERNET - A method and apparatus for content identification, retrieval, and routing in the Internet are provided. In the method and apparatus, content is uniquely identified using an object identifier (OID), and the OID is used for routing and retrieving content in an Internet network. Further, in the method and apparatus, OID summarization based on one or more OIDs may be performed, in which Bloom filters are applied to a portion of the one or more OIDs. Furthermore, hash functions may be applied to network node identities to determine location resolver nodes associated with content. | 06-19-2014 |
20140237078 | METHOD AND APPARATUS FOR MANAGING CONTENT STORAGE SUBSYSTEMS IN A COMMUNICATIONS NETWORK - A method and apparatus for managing content storage subsystems in a communications network are disclosed. The communications network is equipped with a plurality of content storage subsystems. The content storage subsystems store local copies of content to facilitate the delivery and distribution of the content to wireless transmit/receive units, WTRUs. The network, which is equipped with a proxy server and an entry server, receives requests for content or general-purpose data referencing content and determines whether the content is stored in the storage subsystems. In addition, the network also performs content ingestion in order to store copies of the content in the storage subsystems and content modification in order to move content from one storage location to another to achieve optimal content storage and distribution. | 08-21-2014 |
20140245359 | Content Delivery Network Interconnection (CDNI) Mechanism - Embodiments contemplate the movement of mobile node (MN) from a first access network to a second access network, while in communication with a CDN server (e.g. a surrogate providing a multimedia streaming session). The server selection may become sub-optimal as a result of this movement. A first CDN may learn about MN mobility event via the MN, an access network node, the server, or another node. The first CDN may trigger reselection by upstream CDN by sending a CDNI reselection request message, including information for the upstream CDN to perform request routing for the MN with the specified content, at a different location. The upstream CDN may perform the request routing procedure. The upstream CDN may return the request routing result to first CDN. The initial server may send a redirection message back to the application, which may interpret the message and continue streaming from a different server. | 08-28-2014 |
20150019649 | Peer to Peer (P2P) Operation by Integrating with Content Delivery Networks (CDN) - A method and apparatus for use in a network storage control peer (NSCP) supporting peer to peer (P2P) operation are disclosed. The method includes receiving a content map request message and transmitting a content map response message including an indication that a CDN-stored content piece is available from the NSCP; and, receiving a content fetch request message for the content piece and transmitting a response message including a redirection command and the CDN URI for the content piece. | 01-15-2015 |
20150120833 | OPTIMIZATION OF PEER-TO-PEER CONTENT DELIVERY SERVICE - A method and apparatus are described for providing a dynamic cache function in a network or cloud. A content cache server (CCS) and a lightweight CCS with a dynamic cache function may be deployed in the network or cloud. A tracker may be used to place dynamic cache peers in a peer list, and transmit the peer list to a wireless transmit/receive unit (WTRU). The peer list may include a single peer that is a dynamic cache peer allocated by the tracker to the WTRU, or at least two dynamic cache peers, with one additional “weight” parameter for each dynamic cache peer. The WTRU may connect to the dynamic cache peer with the largest “weight” parameter, and connect to a different dynamic cache peer in the peer list on a condition that the WTRU gets disconnected or gets bad service from the dynamic cache peer with the largest “weight” parameter. | 04-30-2015 |
20150229465 | METHOD AND APPARATUS FOR SYNCHRONIZING MOBILE STATION MEDIA FLOWS DURING A COLLABORATIVE SESSION - A method and apparatus are described for synchronizing mobile station (i.e., wireless transmit/receive unit (WTRU)) media flows during a collaboration session. Inter-WTRU transfer request messages, flow addition request messages and session update request messages may be exchanged between a plurality of WTRUs and a session continuity control application server (SCC-AS). Each of the messages may include a session description protocol (SDP) attribute line containing time synchronization information (e.g., a presentation time offset (PTO) information element (IE), a media flow group identity (ID) and a synchronization tolerance IE). The SCC-AS may update the time synchronization information and include the updated information in messages it sends to the WTRUs, which may re-synchronize their respective media flows based on the updated time synchronization information. | 08-13-2015 |
20150237103 | DECODING COMPLEXITY FOR MOBILE MULTIMEDIA STREAMING - A decoding complexity may be used to predict power consumption for receiving, decoding, and/or displaying multimedia content at a wireless transmit/receive unit (WTRU). The decoding complexity may be based on decoding complexity feedback received from a reference device, such as another WTRU. The decoding complexity feedback may be based on measurements performed at the reference device for receiving decoding, and/or displaying the multimedia content. A content providing device may indicate the decoding complexity of requested media content to a WTRU, or another network entity. The decoding complexity may be indicated in a streaming protocol or file associated with the media content. The WTRU, or other network entity, may use the decoding complexity determine its preferences regarding transmission of the media content. The content providing device may determine whether to transmit the media content based on the decoding complexity and/or the preferences of the WTRU or other network entity. | 08-20-2015 |
20150281289 | METHOD AND APPARATUS FOR ENABLING MULTIMEDIA SYNCHRONIZATION - Methods and apparatus are described for synchronizing a media presentation on a plurality of wireless transmit/receive units (WTRUs). A media session may be replicated from a first WTRU onto a second WTRU. The second WTRU replicates the presentation of the media program from the first WTRU at least in part by receiving a networked bookmark from an Internet Protocol (IP) Multimedia Subsystem (IMS) network, wherein the networked bookmark comprises a suggested presentation offset that indicates an offset in time from a bookmark-created time to a bookmark presentation time at the first WTRU; the second WTRU determining a second-WTRU-presentation offset based at least in part on the suggested presentation offset; and the second WTRU presenting the media program with the determined second-WTRU presentation offset from the beginning of the media program. | 10-01-2015 |
20150365444 | INTER-USER EQUIPMENT (UE) TRANSFER (IUT) FOR COLLABORATIVE SESSIONS THAT INCLUDE MEDIA SESSION INFORMATION - A method and apparatus for inter-user equipment (UE) transfer (IUT) of collaborative session control and session information between WTRUs. A collaborative session control transfer request including ongoing session information is transmitted prior to transfer of session control from one WTRU to another WTRU. Ongoing session information may include information regarding media flows and devices involved in the session. A media control transfer response is transmitted in response to the transfer request. | 12-17-2015 |
20150381756 | Centralized Content Enablement Service for Managed Caching in wireless network - Systems, methods, and instrumentalities are provided to implement content caching. An entity running an external application (EA) may establish a connection between the EA and a centralized cloud controller (CCC) to access a service on the CCC. The EA may receive credentials for access to the service. The connection between the EA and the CCC may be established over a first interface. The EA may send to the service on the CES a query for an available small cell network (SCN) storage. The EA may receive from the service on the CES reply comprising a link to an allocated SCN storage. The EA may ingest one or more contents using the link in the allocated SCN storage. A wireless transmit/receive unit (WTRU) may receive the cached content from an edge server in a small cell network. | 12-31-2015 |
20160050241 | Multi-Hypothesis Rate Adaptation For HTTP Streaming - A multi-hypothesis rate adaptation technique may be performed for one or more wireless multimedia streaming scenarios. Managing a multi-media streaming session may involve sending, by a client, a request for a first portion of content to a server. A response may be received from a proxy. The response may comprise the first portion of content and information associated with a second portion of content available via the proxy. A request may be sent to the proxy for the proxy to deliver the second portion of content to the client. A change in a parameter associated with the multimedia streaming session may be determined based on data received from the proxy. It may be determined to change a rate adaptation. A Wireless Transmit/Receive Unit (WTRU) may be configured to perform the rate adaptation. | 02-18-2016 |
Patent application number | Description | Published |
20120084361 | INTER-USER EQUIPMENT (UE) TRANSFER (IUT) FOR COLLABORATIVE SESSIONS THAT INCLUDE MEDIA SESSION INFORMATION - A method and apparatus for inter-user equipment (UE) transfer (IUT) of collaborative session control and session information between WTRUs. A collaborative session control transfer request including ongoing session information is transmitted prior to transfer of session control from one WTRU to another WTRU. Ongoing session information may include information regarding media flows and devices involved in the session. A media control transfer response is transmitted in response to the transfer request. | 04-05-2012 |
20120143984 | METHOD AND APPARATUS FOR INTER-USER EQUIPMENT TRANSFER - Techniques for inter-user equipment (UE) transfer (IUT) are disclosed. An application server receives an IUT request for transfer of a media session toward at least one UE such that a media stream is played by at least two UEs that are geographically separated after the transfer. The application server triggers inter-destination media synchronization (IDMS) for group synchronization of the media session among the UEs. The media stream may be anchored at a media server, and a media synchronization application server for the IDMS may be running at the media server. Alternatively, the media stream may be anchored at a media resource function (MRF), and a media synchronization application server for the IDMS may be running at the MRF. | 06-07-2012 |
20120209952 | METHOD AND APPARATUS FOR DISTRIBUTION AND RECEPTION OF CONTENT - A method and apparatus for distribution and reception of content are disclosed. A quality function for a content object may be sent to intermediate cache proxy servers and/or a receiver(s). The quality function provides a functional relationship between at least two quality metrics for the content object so that a perceivable quality of the content object at a receiver may be estimated based on the quality function. The quality function may be represented by a polynomial series and/or a set of mean and standard deviation values. The quality function may be included in media presentation description (MPD) for Dynamic Adaptive Streaming over HTTP (DASH) streaming, or a session description protocol (SDP) message or a Real Time Control Protocol (RTCP) sender report for Real Time Streaming Protocol (RTSP) streaming. | 08-16-2012 |
20120236842 | METHOD AND APPARATUS FOR SYNCHRONIZING MOBILE STATION MEDIA FLOWS DURING A COLLABORATIVE SESSION - A method and apparatus are described for synchronizing mobile station (i.e., wireless transmit/receive unit (WTRU)) media flows during a collaboration session. Inter-WTRU transfer request messages, flow addition request messages and session update request messages may be exchanged between a plurality of WTRUs and a session continuity control application server (SCC-AS). Each of the messages may include a session description protocol (SDP) attribute line containing time synchronization information (e.g., a presentation time offset (PTO) information element (IE), a media flow group identity (ID) and a synchronization tolerance IE). The SCC-AS may update the time synchronization information and include the updated information in messages it sends to the WTRUs, which may re-synchronize their respective media flows based on the updated time synchronization information. | 09-20-2012 |
20120281621 | WIRELESS PEER-TO-PEER NETWORK TOPOLOGY - A method and apparatus for generating a topology for wireless peer-to-peer (P2P) networks. A network architecture comprises a traffic optimization service including a traffic optimization server and an adaptor to effect bi-directional translation of a request-response protocol of the traffic optimization service and a signaling protocol of a multimedia network. The traffic optimization server stores information related to wireless communication systems comprising user/location id information including cache proxies, media gateways, and network peers of multiple access networks and cost metric information including maximum bit rate, guaranteed bit rate, storage capacity, CPU capabilities, number of clients serving, battery capabilities, reliability of path, and supported video/audio codec. | 11-08-2012 |
20120317197 | PEER TO PEER (P2P) OPERATION BY INTEGRATING WITH CONTENT DELIVERY NETWORKS (CDN) - A method and apparatus for use in a network storage control peer (NSCP) supporting peer to peer (P2P) operation are disclosed. The method includes receiving information from a tracker, wherein the information includes swarm stats, selecting and joining a swarm based on the received information, receiving a first stat report from the tracker, wherein the stat report includes additional swarm stats, determining whether to upload information to an ingestion gateway based on the received first stat report, transmitting an upload request message to the ingestion gateway, receiving an upload response from the ingestion gateway, and transmitting a second stat report to the tracker; wherein the second stat report includes a uniform resource identifier (URI) for the uploaded information. | 12-13-2012 |
20130007186 | CONTROLLING CONTENT CACHING AND RETRIEVAL - A tracker application server (AS) instructs a content cache server (CCS) to join a peer-to-peer (P2P) swarm based on the status of the P2P swarm. The tracker AS determines whether to invite a CCS to join the P2P swarm be based on an underlying network condition change, a peer node joining or leaving the P2P swarm, change(s) in traffic condition, location, capability or workload of the peer node(s) in the swarm. The tracker AS sends an invitation message to the CCS, indicating the content of interest and a peer list identifying the peer nodes of the P2P swarm. Upon receiving the invitation message from the tracker AS, the CCS sends a response to the tracker AS. Upon receiving a response indicating the acceptance of the invitation, the tracker AS puts the CCS into the P2P swarm, and the CCS joins the swarm using a P2P protocol. | 01-03-2013 |
20130084829 | METHOD AND APPARATUS FOR ENABLING ACCESS TO APPLICATIONS INTEGRATED WITH A VISITED NETWORK - A method and apparatus for interworking between a mobile network operator and an application provider are disclosed. A network application function (NAF) may be co-located with an OpenID provider such that an application server may communicate with the NAF to access a home subscriber server (HSS) via a bootstrapping server function (BSF). The interfaces between BSF and HSS, and between BSF and NAF may be enhanced to carry information that is available through Sh interface between the application server and the HSS. When the WTRU is roaming in a visited network, the application server may communicate with the visited network for charging and policing for serving the service request from the WTRU. The application server may be co-located with an NAF, and may authenticate the WTRU using Generic Bootstrapping Architecture, and may communicate with a BSF in a home network via an eZn-proxy function to access an HSS. | 04-04-2013 |
20130094445 | METHOD AND APPARATUS FOR PROVIDING INTERFACING BETWEEN CONTENT DELIVERY NETWORKS - A method and apparatus are described for forwarding content delivery network interconnection (CDNI) signaling. A CDNI router content delivery network (CDN) may establish CDNIs with upstream and downstream CDNs. The CDNI router CDN may receive a CDNI route advertisement message from at least one of the upstream and downstream CDNs. The CDNI router CDN may update at least one end-user-based CDNI routing table based on Internet protocol (IP) address blocks in the CDNI route advertisement message. The CDNI router CDN may transmit an updated CDNI route advertisement message to at least one of the upstream and downstream CDNs. At least one of the upstream and downstream CDNs may update at least one end-user-based CDNI routing table based on the end user IP address blocks in the updated CDNI route advertisement message. | 04-18-2013 |
20130107786 | METHOD AND APPARATUS FOR ENABLING MULTIMEDIA SYNCHRONIZATION | 05-02-2013 |
20140019635 | OPERATION AND ARCHITECTURE FOR DASH STREAMING CLIENTS - An adaptive HTTP streaming client may prevent network-level transcoding, may detect that transcoding takes place and implement a custom reaction, and/or may adopt rate estimation and stream switching logic, which may produce meaningful decisions in the presence of caching and transcoding operations in the network. A streaming client may use hash values of received segments, attributes of a received stream of content, and/or segment length checks of representations of segments to determine if the segments were transcoded. A streaming client may use random split range-based HTTP GET requests to deter transcoding. A streaming client may use split range-based HTTP GET requests to improve the accuracy of its bandwidth estimation. A streaming client may use any combination of the techniques described herein to detect transcoding, deter transcoding, adopt improved bandwidth and/or bitrate estimation, and adopt improved switching logic. | 01-16-2014 |
20140115037 | METHOD AND APPARATUS FOR AUTOMATICALLY DISCOVERING AND RETRIEVING CONTENT BASED ON CONTENT IDENTITY - A method and apparatus for automatically discovering and retrieving content based on a content identity (ID) are disclosed. User agents and content control entities in the network interact for registering the content, discovering the content hosts and sources, and initiating and controlling the content session. A content name resolution handler (CNRH) is provided for mapping content IDs to network locations or addresses. Two or more content service provider networks may interconnect each other to discover and retrieve the content. A content request from a client device includes a content ID that uniquely identifies a content object. The content ID is resolved with a CNRH to obtain identity information of at least one content provider for serving the content request, and the content request is forwarded to the selected content provider. The content request may be routed to the selected content provider via IP multimedia subsystem (IMS) control plane entities. | 04-24-2014 |