Patent application number | Description | Published |
20080225687 | MULTI-DOMAIN NETWORK WITH CENTRALIZED MANAGEMENT - One embodiment relates to a method for coordinating signals within a multi-domain network. At least one node within one network domain of the multi-domain network is identified, where the one node is affected by interference due to another node of another network domain of the multi-domain network. Global signals are provided to the one network domain to coordinate domain signals within that network domain to limit the interference from the another node. Other systems and methods are also disclosed. | 09-18-2008 |
20080253388 | HOME NETWORKING SYSTEM - One embodiment relates to a network. The network includes a first splitter having an input port and N output ports. A first network node is associated with a first of the N output ports. A second network node is associated with a second of the N output ports and is adapted to receive signals communicated from the first network node through the first splitter. Other apparatuses and methods are also set forth. | 10-16-2008 |
20080253401 | TRANSIENT ROBUST CHANNEL FOR COMMUNICATION SYSTEMS - One embodiment of the present invention relates to a network device. The network device includes a receiver configured to be coupled to a transmission medium supporting a multi-carrier channel over which data is communicated as symbols in a first communication state according to an initial bit-loading configuration. The receiver is further configured to detect noise that can corrupt the symbols on the multi-carrier channel. In addition, the receiver is configured to, in response to the detected noise, allocate at least part of the multi-carrier channel to a transient robust channel that facilitates adaptive communication. Other methods and devices are also disclosed. | 10-16-2008 |
20090022164 | ADAPTIVE NETWORK TO DYNAMICALLY ACCOUNT FOR HIDDEN NODES - One embodiment of the present invention relates to a network element that is configured to be associated with a network having a number of nodes. The master node is configured to communicate with a number of nodes and allocate bandwidth therebetween by sending outgoing signals and receiving incoming signals over a transmission medium. The master node is further configured to adaptively account for hidden nodes with which the master node cannot bi-directionally directly communicate by communicating at least one signal with at least one proxy node. Other methods and network elements are disclosed. | 01-22-2009 |
20090154927 | MULTI-CARRIER COMMUNICATION VIA SUB-CARRIER GROUPS - One embodiment of the present invention relates to a method for communicating over a multi-carrier communication channel. In the method, sub-carrier frequencies that are reserved for communication between a pair of nework nodes are associated with different sub-carrier groups, where the sub-carriers of each sub-carrier group are assigned a common transmission characteristic that is independent of the transmission characteric for the other sub-carrier groups. Other methods and devices are also disclosed. | 06-18-2009 |
20090190635 | TRANSCEIVER FOR COMMUNICATING OVER DIFFERENT MEDIA TYPES - One embodiment of the present invention relates to a transceiver. The transceiver includes a transmitter having a first transmission path configured to transmit a digital baseband signal over a wireline medium. In addition, the transmitter has a second transmission path configured to transmit a radio frequency signal over a wireless medium. Other systems and methods are also disclosed. | 07-30-2009 |
20090196306 | CONTENTION ACCESS TO A COMMUNICATION MEDIUM IN A COMMUNICATIONS NETWORK - A method of providing contention access to a communication medium in a communications network includes transmitting priority information with each of a plurality of network nodes prior to a shared-contention transmission opportunity. The priority information for each node indicates a priority level of a frame that the node intends to transmit on the communication medium during the shared-contention transmission opportunity. At least one of the nodes is assigned to a contention window of a plurality of contention windows within the transmission opportunity based on the transmitted priority information. | 08-06-2009 |
20090271550 | Method and Apparatus for Adding a Communication Connection to a Vectored Group - Methods for adding a communication connection to a vectored group of communication connections and corresponding apparatuses are disclosed. | 10-29-2009 |
20090296924 | KEY MANAGEMENT FOR COMMUNICATION NETWORKS - One embodiment of the present invention relates to a method for key management in a communications network. In this method, a public key authentication scheme is carried out between a security controller and a plurality of nodes to establish a plurality of node-to-security-controller (NSC) keys. The NSC keys are respectively associated with the plurality of nodes and are used for secure communication between the security controller and the respective nodes. Other methods and devices are also disclosed. | 12-03-2009 |
20100034249 | FEXT estimation and signaling in Vector Transmission - Embodiments related to FEXT estimation and signaling in vectored systems are described and depicted herein. | 02-11-2010 |
20100042841 | Updating and Distributing Encryption Keys - System and method for providing secure communications is provided. Initially, an exchange protocol, such as a password-authenticated key exchange protocol, is used to create a shared secret. From the shared secret, two keys are created: a utilized key and a stored key. The utilized key is used to encrypt messages between nodes. When it is time to replace the utilized key to maintain security, the stored key is utilized to encrypt messages for generating/distributing a new shared secret. The new shared secret is then used to generate a new utilized key and a new stored key. This process may be repeated any number of times to maintain security. | 02-18-2010 |
20100054150 | Adaptive Communication Systems and Methods - Methods and communication systems are presented, in which impulse noise is monitored on a communication channel, and impulse noise protection parameters are adjusted according to the monitored impulse noise without interrupting communication service. | 03-04-2010 |
20100150167 | Adaptive Network to Dynamically Account for Hidden Nodes - One embodiment of the present invention relates to a network element that is configured to be associated with a network having a number of nodes. The master node is configured to communicate with a number of nodes and allocate bandwith therebetween by sending outgoing signals and receiving incoming signals over a transmission medium. The master node is further configured to adaptively account for hidden nodes with which the master node cannot bi-directionally directly communicate by communicating at least one signal with at least one proxy node. Other methods and network elements are disclosed. | 06-17-2010 |
20100246414 | NETWORK RETRANSMISSION PROTOCOLS USING A PROXY NODE - One embodiment relates to a method for communicating over a transmission medium shared between a plurality of nodes including a source node, a proxy node, and other nodes. In the method, a transmission data unit is transmitted from the source node to the proxy node and to the other nodes. A confirmation is selectively transmitted from the proxy node to the other nodes based on whether a reception data unit corresponding to the transmission data unit is correctly received at the proxy node. Based on whether the confirmation is received at one of the other nodes, a negative acknowledgement is selectively transmitted from the one of the other nodes to the source node. Other methods and devices are also disclosed. | 09-30-2010 |
20110096870 | METHOD AND APPARATUS FOR VECTORED DATA TRANSMISSION - An apparatus includes a transmitter configured to transmit data via a plurality of communication channels of a communication connection. The transmitter is further configured to transmit a same sequence for vector training on each of the communication channels. The sequences for at least two of the communication channels are shifted with respect to each other. | 04-28-2011 |
20110110402 | ERROR REPORTING IN MULTI-CARRIER SIGNAL COMMUNICATION - In a communication device, a multi-carrier signal with at least one group of signal carriers is received from a communication connection. For each of the signal carriers, at least one individual error value is evaluated or generated. From the individual error values, a combined error value is evaluated or generated. The combined error value is transmitted on a backchannel of the communication connection. | 05-12-2011 |
20110116573 | Methods and Systems for Adaptive Communication - One embodiment of the present invention relates to a method of transferring data in a communication system. In the method, an initial impulse noise protection value is determined. A number of redundancy bits is added to blocks of data to form codewords as a function of the initial impulse noise protection value, where the impulse noise protection value corresponds to a number of consecutive symbols that can be corrected. The number of symbols that can be correctly transmitted is changed by changing only the number of redundancy bits added to each block of data. | 05-19-2011 |
20110149785 | Networks Having Plurality of Nodes - One embodiment of the present invention relates to a method of communicating in a network with a plurality of nodes. In the method, information is gathered from the plurality of nodes, where information from each node specifies other nodes from which the node detected messages. Based on the gathered information, a transmit sequence according to which the plurality of nodes are to transmit is determined. Other methods and devices are also disclosed. | 06-23-2011 |
20110235610 | ADAPTIVE NETWORK TO DYNAMICALLY ACCOUNT FOR HIDDEN NODES - One embodiment of the present invention relates to a network element that is configured to be associated with a network having a number of nodes. A proxy node is configured to distinguish between a some signals received from a master node and other signals received from at least one hidden node, where the at least one hidden node is unable to bi-directionally directly communicate with the master at a given time. The proxy node is further configured to relay at least one signal between the master node and the hidden node to facilitate addition of the hidden node to the network via the master node. Other methods and devices are also disclosed. | 09-29-2011 |
20110235657 | Multimode Apparatus and Method - A method and apparatus are herein provided to align media access control (MAC) cycles of networks of different medium types. Information is obtained that indicates a timing information of a first MAC cycle in a first network of a first medium type and a second MAC cycle in a second network of a second medium type. A buffer is provided for storing the timing information. Alignment information is derived based on the timing information of the first/second network that enables alignment of the MAC cycles between the first and second networks. A controller unit is provided for deriving the alignment information. | 09-29-2011 |
20110271333 | ADMISSION OF A NODE TO THE NETWORK - In at least one implementation a method includes receiving an identifier associated with a device, entering the identifier into a network controller device, inviting the device associated with the identifier to join a network, admitting the device associated with the identifier to the network, sending the device associated with the identifier a name of the network, and confirming that the device has joined the network as a device recognized by the network controller device. | 11-03-2011 |
20120011229 | ENHANCED NETWORK/DOMAIN NAME HASHING TECHNIQUES - Described herein are techniques related to a generation of a short identifier of a domain/network that is based upon the long human-readable network/domain name (NDN) that a user or admin typically gives to the network/domain. With one or more implementations described herein, the short network/domain identifier (DNI) is based upon a version of the long human-readable NDN that has been modified to remove any data that is superfluous to distinguishing the NDN for any other. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. | 01-12-2012 |
20120027069 | Protection of Communication Systems Against Repetitive Electrical Impulse Noise - A method limits the effect of repetitive electrical impulse noise in a communication system. The presence of the repetitive electrical impulse noise is detected during communication service. If the repetitive electrical impulse noise is detected, then a message is transmitted which signals that the repetitive electrical impulse noise is present. Other systems and methods are disclosed. | 02-02-2012 |
20120057483 | Frame Structure For Multi-Input Multi-Output - Described herein are implementations related to data communication using a frame that includes at least two data packets. One of the data packets includes a preamble that is separated from a payload by a gap, void or empty space. Another of the data packets includes a preamble that is aligned with the gap, void or empty space. A receiver of the frame may perform channel measurements during the gap, void or empty space. | 03-08-2012 |
20120060076 | Adaptive Communication Systems and Methods - Methods and communication systems are presented, in which impulse noise is monitored on a communication channel, and impulse noise protection parameters are adjusted according to the monitored impulse noise without interrupting communication service. | 03-08-2012 |
20120163491 | Method and Apparatus for Vectored Data Communication - In an embodiment, vector training signals are received. Noise affecting the training signals is evaluated, and a noise indication is thus determined. | 06-28-2012 |
20120236879 | COEXISTENCE IN COMMUNICATION SYSTEM - Representative implementations of devices and techniques provide communication between networked nodes operating on a communication network medium. In an implementation, a node generates a broadcast frame that includes at least a preamble, a header, and a payload. The preamble and header are generated according to a first protocol type and the payload is generated according to a second protocol type. | 09-20-2012 |
20120281738 | Method and Apparatus for Vectored Data Transmission - In some embodiments, sequences of pilot signals on different communication channels of a communication convection are shifted with respect to each other. In other embodiments, crosstalk couplings are calculated based on intermediate vectors. | 11-08-2012 |
20130077638 | NETWORKING COEXISTENCE METHOD SYSTEM & APPARATUS - An apparatus and method are provided for a network having a controller ( | 03-28-2013 |
20130094517 | PAYLOAD FOR MULTI-INPUT MULTI-OUTPUT - Described herein are implementations related to data communication using a frame that includes at least two data packets. In one implementation, a first of the data packets includes at least a payload with repeated payload portions to increase diversity gain. A second of the data packets includes at least a payload with repeated payload portions to increase diversity gain. The repeated payload portions of the second data packet are shuffled or rotated in relation to the repeated data payload portions of the first data packet. In one implementation, the frame is conveyed in a Power Line Communication (PLC) system. | 04-18-2013 |
20130138982 | POWER CONSUMPTION MANAGEMENT IN COMMUNICATION SYSTEM - Representative implementations of devices and techniques provide an efficient communication that enables nodes in a reduced power consumption state to resume a regular power state (e.g., fully operational) or otherwise another power state (e.g., semi-operational) after processing the communication. | 05-30-2013 |
20130254618 | PADDING AFTER CHANNEL ENCODING REPETITION AND INTERLEAVING - Described herein are techniques related to the generation of data blocks that collectively include padding appended before a first or after a last of the data blocks. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. | 09-26-2013 |
20130265920 | POWER BOOST IN COMMUNICATION SYSTEM - Representative implementations of devices and techniques provide communication between networked nodes operating on a communication network medium. In an implementation, a node generates a broadcast frame that includes at least a preamble and a payload. The preamble of the broadcast frame may include auxiliary information. The auxiliary information may be associated with one or more symbols of the preamble. The auxiliary information may contain power boost information. | 10-10-2013 |
20130272309 | MAC CYCLE ALIGNMENT METHOD FOR NEIGHBORING NETWORK COORDINATION - Representative implementations of devices and techniques provide communication between networked nodes while minimizing interference from neighbor network communication. Medium Access Control (MAC) cycles at the nodes may be aligned to MAC cycles of neighbor nodes and/or networks based on decoded timing information detected by the nodes. | 10-17-2013 |
20130283109 | Network Retransmission Protocols Using a Proxy Node - One embodiment relates to a device. The device includes reception circuitry adapted to receive a data unit from a first node of a network and a confirmation message signal from a second node of the network. Analysis circuitry is adapted to determine a failure to correctly receive the data unit. Transmission circuitry is adapted to transmit a negative acknowledgement signal to the first node in case the analysis circuitry determines the data unit has not been correctly received and the confirmation message signal from the second node is received. Other methods and devices are also disclosed. | 10-24-2013 |
20130287045 | HEADER ALIGNMENT IN COMMUNICATION SYSTEM - Representative implementations of devices and techniques provide communication between networked nodes operating on a communication network medium. In an implementation, a node generates a broadcast frame that includes at least a preamble and a payload. The preamble of the broadcast frame may include supplemental information. The supplemental information may be associated with one or more symbols of the preamble. The supplemental information may contain predetermined header information for use by nodes operating on the communication network medium. | 10-31-2013 |
20140071997 | ROBUST PREAMBLE FOR COMMUNICATION OVER NOISY MEDIA - Described herein are techniques related to data communications using a data packet having at least one frame with a robust preamble for use over media having a high degree of non-stationary noise (e.g., impulsive noise). The described techniques employ a preamble with a structure having multiple transitions between the preamble sections. Each transition indicates the start of the upcoming frame. With the techniques described herein, if noise damages the transitions between such sections beyond recognition, the receiver can still determine the frame start time from the one or more of the undamaged transitions. Thus, the robustness of communications via the noisy media is significantly increased. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. | 03-13-2014 |
20140119386 | METHOD OF PACKET ENCAPSULATION FOR MULTI-SERVICE OPERATION FROM A DISTRIBUTION POINT - The present disclosure relates to a communication system which, in accordance with one exemplary embodiment, a communication network for providing network services to at least one network device and at least one distribution point (DP) coupled to at least one network backbone. The at least one network device is located remote from the DP and coupled to the at least one network backbone via the at least one DP. The at least one DP is configured to receive a plurality of data units from the at least one network backbone in accordance with one or more communication protocols. A plurality of data frames, each having a header portion and a payload portion, are generated and each one of the received data units are mapped into one or more payload portions of the plurality of data frames. One or more of the plurality of data frames are mapped to a payload portion of at least one data transfer unit (DTU), which is then communicated to the at least one network device. Furthermore, a corresponding method and an appropriate transceiver are described. | 05-01-2014 |
20140119419 | Channel Estimation - Methods and devices related to channel estimation for a communication system comprising a plurality of communication connections are provided. For channel estimation, test sequences are used having three different elements, for example −1, 0 and +1. | 05-01-2014 |
20140119536 | Spectrum Management - Various methods, techniques and devices are disclosed which optimize an output power spectral density taking properties and changes of crosstalk reduction like crosstalk precompensation into account. The techniques disclosed may for example be employed in distribution points of a communication system. | 05-01-2014 |
20140153630 | Rate-adaptive dynamic spectrum management - The system may include a plurality of communication connections. A number of transmitters may transmit a signal to a number of receivers, the respective transmitter is adapted to convey transmit signal power to more than one receiver in the number of receivers. A process may adapt the allocation of power of a transmission to the receivers for signal transmission to more than one receiver. | 06-05-2014 |