Patent application number | Description | Published |
20080279126 | MANAGING DISTRIBUTED ACCESS TO A SHARED MEDIUM - Communicating between stations in a network is described. A plurality of stations coordinate according to a distributed protocol to select a first station to transmit over a shared medium. The communication includes transmitting between the first station and a second station over the shared medium during a time period in which stations other than the first and second stations refrain from transmitting over the shared medium. The first station transmits information that grants permission to the second station to transmit during the time period. | 11-13-2008 |
20080298252 | METHOD OF ROUTING TRAFFIC IN A NETWORK - Methods, systems, and apparatuses are described for communicating among stations in a network. A station in the network can determine costs between that station and a headend through a number of other stations and selecting a low cost path from among the possible paths. Cost data from the determination can be transmitted from the station to other stations in the network for use in selecting low cost paths at those stations. | 12-04-2008 |
20080298589 | ESTABLISHING A UNIQUE END-TO-END MANAGEMENT KEY - Systems and methods for communicating and authenticating end-to-end management keys to stations to facilitate communications between stations in the network. A nonce based upon a pseudo-random number generated by the station(s) can be included with the end-to-end management key (EMK). The station(s) can compare the nonce to the generated pseudo-random number to authenticate the EMK. | 12-04-2008 |
20080298590 | NETWORK ENCRYPTION KEY ROTATION - Systems and methods for authenticating key rotation communications. Key rotation communications can include a key counter known to both a headend device and a station. Comparison between a local key counter and the key counter included in the key rotation communication can be used to authenticate the key rotation communication. | 12-04-2008 |
20080298594 | AUTHORIZING STATIONS INTO A CENTRALLY MANAGED NETWORK - Systems and methods for connecting new stations to a secure network. New stations can send connection requests to a headend device. The headend device can retrieve a device access key associated with the new station and can provide a network membership key to the new station based upon authentication of the new station using the device access key. | 12-04-2008 |
20080301052 | AUTHORIZING CUSTOMER PREMISE EQUIPMENT ON A SUB-NETWORK - Systems and methods for authorizing a customer premise equipment (CPE) device to join a network through a network termination unit (NTU). The CPE device can send an encrypted connection request, and an authorization server can decrypt the connection request and provide a network membership key (NMK) associated with the CPE device to the NTU. The authorization server can encrypt the NMK associated with the CPE device using a device access key (DAK) associated with the NTU. | 12-04-2008 |
20080301446 | AUTHORIZING CUSTOMER PREMISE EQUIPMENT INTO A NETWORK - Systems and methods for authorizing customer premise equipment into a network. A publicly available network membership key can be provided to enable initial connection to the network. Unique network membership keys associated with various customer premise equipment can be provided to enable service level access to the network and/or authorization into a sub-cell associated with the network. | 12-04-2008 |
20080310414 | RETRANSMISSION OF BROADCAST AND MULTICAST TRAFFIC OVER A SHARED MEDIUM - Methods, systems, and apparatuses are described for communicating among stations in a network. Broadcast or multicast traffic in the network can be selectively retransmitted according to one or more retransmissions rules established for the network. Retransmission rules can be established based on an analysis of network topology data and designed to minimize redundant transmissions in the network. MAC encapsulation mechanisms can be used to identify duplicate transmissions. | 12-18-2008 |
20090010276 | Contention Groups for Hidden Nodes - Communicating among stations in a network includes, from each of multiple stations in the network, transmitting information indicating which other stations from which that station is able to reliably receive transmissions. A schedule for communicating among the stations is determined based on the information from the stations and transmitting the schedule over the network. The schedule includes a plurality of time slots during which respective sets of stations are assigned to communicate using a contention-based protocol. | 01-08-2009 |
20090011782 | CLOCK SYNCHRONIZATION OVER A SHARED MEDIUM - Communicating among stations in a network includes providing repeated beacon transmissions from at least some of the stations including a first station. The first station is assigned to a first level. Any stations that can reliably receive transmissions from the first station are assigned to a second level. Any stations not assigned to any of the preceding levels that can reliably receive transmissions from the preceding level are assigned to each of one or more higher levels. Timing information at each station in a given level is synchronized according to transmissions received from at least one station in the preceding level. | 01-08-2009 |
20090034552 | IN-HOME COEXISTENCE NETWORK - Systems and methods for dynamic allocation of network bandwidth. In some examples, a guaranteed interval period, including a guaranteed interval start time and guaranteed interval end time, can be identified based upon policy. Network stations can then identify first interval start times and first interval end times different than the guaranteed start times and guaranteed end time provided by policy. An access network can thereby provide a first interval start time and a first interval end time to stations within the access network. An in-home network can determine an in-home interval period based upon the first interval start time and first interval end time. | 02-05-2009 |
20090040930 | DATA PLANE AGGREGATION BASED ON ROUTE AND SERVICE TYPE - Methods and systems are operable to aggregate data. A plurality of data units can be received. The data units can be combined based upon a class associated with the data and a next hop associated with the data. A link can be provided for the combined data units based on service quality requirements for the traffic class associated with the class. | 02-12-2009 |
20090116461 | Distributed Scheduling - In a network, some data are transmitted between stations during time slots in contention free periods. Selecting the time slots includes collecting timing information at some stations in the network. The timing information indicates the times of existing time slots used by stations whose transmissions can be reliably received by the station collecting the timing information. The timing information is distributed to other stations in the network. A new time slot for transmission between a first and a second station is selected based at least on timing information indicating the times of existing time slots used by stations whose transmissions can be reliably received by at least one of the first and second station. | 05-07-2009 |
20100074243 | MANAGING COEXISTENCE AMONG SIGNALING PROTOCOLS ON A SHARED MEDIUM - A method is described for communicating among multiple devices over a shared communication medium. The method includes, in a schedule among multiple subsets of the devices that includes at least one respective time slot for each subset, transmitting from at least one of the devices in a given subset a presence signal associated with the given subset within a time slot for the given subset. A presence signal associated with a given subset is configured to indicate the presence of at least one device in the given subset. The method also includes communicating among devices in a given subset based on presence signals detected from one or more devices in at least one different subset. | 03-25-2010 |
20100254392 | MANAGING TRANSMISSIONS AMONG NODES COMMUNICATING OVER A SHARED COMMUNICATION MEDIUM - A method is provided for managing transmissions among nodes communicating over a shared communication medium. The method includes: transmitting a frame from a sender node to a plurality of receiver nodes, the frame including at least a portion of a data packet and control information associated with accessing the communication medium; transmitting over the communication medium information indicating an end of a time window allocated for transmission of acknowledgement signals to the sender node from at least some of the plurality of receiver nodes; assigning each of a plurality of time slots in the time window to different subsets of the plurality of receiver nodes; and for a given receiver node, transmitting an acknowledgement signal from the given receiver node to the sender node during a time slot assigned to the given receiver node, the acknowledgement signal responsive to at least the frame. | 10-07-2010 |
20110014910 | CHANNEL REUSE IN COMMUNICATION SYSTEMS - Disclosed are systems and methods for communicating among stations coupled to a communication medium by receiving signals from a plurality of the stations, determining signal strength values for each of the received signals based on at least a portion of the signal, and based on the signal strength values, selecting a detection threshold such that, in response to a signal having a signal strength in excess of the detection threshold, the signal is processed according to a protocol of a subset of the stations. | 01-20-2011 |
20110164514 | Transmit Power Control - A method for communicating among nodes in a network includes determining, by a transmitter, a first frequency band and at least a second frequency band to be used for communicating data packets, wherein a maximum allowable power spectral density in the first frequency band is greater than a maximum allowable power spectral density in the second frequency band. The method also includes adjusting power spectral density for a first group of frequencies in the first frequency band such that the adjusted power spectral density of the first group does not exceed the maximum allowable power spectral density of the first frequency band and a quantization noise introduced by the transmitter is less than a threshold value for a signal transmitted in the second frequency band. The method further includes modulating at least a portion of a data packet transmitted by the transmitter to at least a first receiver in accordance with the adjusted power spectral density. | 07-07-2011 |
20110267956 | DETECTING DELIMITERS FOR LOW-OVERHEAD COMMUNICATION IN A NETWORK - Communicating between stations over a shared medium comprises: transmitting a waveform from a first station over the shared medium at a time that is based on a shared time reference shared by multiple of the stations, the waveform including at least a first symbol, having a predetermined symbol length, comprising a first set of frequency components at predetermined carrier frequencies modulated with preamble information stored in a second station and a second set of frequency components at predetermined carrier frequencies modulated with information to be communicated to at least one station, with the carrier frequencies of the first and second sets of frequency components being integral multiples of a frequency interval determined by the inverse of the symbol length; monitoring the shared medium at a second station, before transmission of the waveform from the first station, to detect a start of the first symbol of the waveform at one of multiple time slot boundaries, the monitoring including, after each of multiple time slot boundaries, periodically sampling a series of values received over the shared medium starting at the beginning of the most recent time slot boundary and processing the sampled values to generate a metric value that indicates whether the start of the first symbol of the waveform has been detected; and in response to detecting the start of the first symbol of the waveform, demodulating the first symbol of the waveform from values sampled based on the shared time reference. | 11-03-2011 |
20110268161 | REPEATING FOR LOW-OVERHEAD COMMUNICATION IN A NETWORK - Communicating between stations over a shared medium comprises: receiving, at a destination station, a first waveform that includes one or more segments of a payload that originated from an origin station with a sequence of multiple segments, the one or more segments included in the first waveform having been transmitted over the shared medium by the origin station and by each of one or more repeater stations, and the first waveform indicating which of the sequence of multiple segments were not correctly decoded by at least one of the repeater stations; generating, based on the first waveform, acknowledgement information that specifies which of the sequence of multiple segments have been correctly decoded by the destination station; and transmitting a second waveform from the destination station over the shared medium, the second waveform including the acknowledgement information. | 11-03-2011 |
20110268200 | DELAYED ACKNOWLEDGEMENTS FOR LOW-OVERHEAD COMMUNICATION IN A NETWORK - Communicating between stations over a shared medium comprises: receiving a first waveform at a first station transmitted over the shared medium from a second station, the first waveform including a payload having multiple segments, and during reception of a first segment of the payload, initiating processing of one or more segments of the payload received before the first segment of the payload to generate acknowledgement information that specifies which of one or more segments of the payload including the one or more processed segments have been correctly decoded by the first station; transmitting a second waveform from the first station over the shared medium, the second waveform including the acknowledgement information; and transmitting a third waveform from the first station over the shared medium, after transmitting the second waveform, the third waveform including acknowledgement information that specifies which of one or more segments of the payload including the first segment of the payload have been correctly decoded by the first station. | 11-03-2011 |
20120072715 | Authorizing Equipment on a Sub-Network - Systems and methods for authorizing a customer premise equipment (CPE) device to join a network through a network termination unit (NTU). The CPE device can send an encrypted connection request, and an authorization server can decrypt the connection request and provide a network membership key (NMK) associated with the CPE device to the NTU. The authorization server can encrypt the NMK associated with the CPE device using a device access key (DAK) associated with the NTU. | 03-22-2012 |
20120093151 | COEXISTENCE MECHANISM FOR NON-COMPATIBLE POWERLINE COMMUNICATION DEVICES - A powerline network may comprise powerline communication (PLC) devices of a first class of PLC devices that are incompatible with PLC devices of a second class of PLC devices. This can result in interference between communications of the first and the second classes of PLC devices. A dual mode PLC device that is compatible with the first and the second classes of PLC devices can be implemented for coexistence with both classes of PLC devices. The dual mode PLC device can determine whether the powerline network comprises a combination of PLC devices of the first and the second classes of PLC devices. One of a plurality of packet headers that is compatible with both the classes of PLC devices can be selected for transmission in response to determining that the powerline network comprises a combination of PLC devices of the first and the second classes of PLC devices. | 04-19-2012 |
20120093240 | INTERFERENCE DETECTION IN A POWERLINE COMMUNICATION NETWORK - A powerline communication (PLC) network can be subject to noise/interference resulting in loss of throughput and data corruption for PLC devices connected to the PLC network. A powerline interference analyzer can be implemented in the PLC network for detecting sources of the noise. The powerline interference analyzer can determine powerline network noise characteristics that are representative of noise on the PLC network and can analyze the powerline network noise characteristics to determine one or more noise patterns. The noise patterns can be compared with a plurality of predefined noise signatures that are representative of corresponding each of a plurality of noise sources. Consequently, at least one noise source that is associated with the noise patterns can be identified from the plurality of the noise sources. | 04-19-2012 |
20120131360 | PATH CHARACTERISTIC BASED ASSOCIATION OF COMMUNICATION DEVICES - Associating service agents in communication over a network to one or more respective clients coupled to the network at respective ports of the network is described. At a first service agent, a first signal is received from a first client coupled to the network at a first port. The first signal propagates over a first signal propagation path between the first service agent and the first port. An association between the first service agent and the first client is established based at least in part on a difference between: the first signal propagation path between the first service agent and the first port, and a second signal propagation path between the first service agent and a second port or between a second service agent and the first port. | 05-24-2012 |
20130016792 | MANAGING COEXISTENCE AMONG SIGNALING PROTOCOLS ON A SHARED MEDIUM - Within a domain of a master device, devices that share a power line as a communications medium monitor signal detection windows to sense network status. The devices transmit sensed network status to the master device. The master device allocates channel resources based on the network statuses communicated by the devices within the domain. | 01-17-2013 |
20130024706 | POWER SAVE PROXY IN COMMUNICATION NETWORKS - Power save proxy functionality can be implemented to enable power save devices to switch to a power save mode and still receive communications from legacy communication devices. A first communication device determines that a second communication device is in a power save mode. The first communication device designates itself as a power save proxy for the second communication device that is in the power save mode. In response to detecting packets that are transmitted from a legacy communication device to the second communication device, the first communication device transmits a control message to the second communication device to request the second communication device to exit the power save mode, transmits a hold control message to the legacy communication device to request the legacy communication device to temporarily stop transmitting packets to the second communication device, or stores the packets intended for the second communication device. | 01-24-2013 |
20130038424 | ATTENUATION LEVEL BASED ASSOCIATION IN COMMUNICATION NETWORKS - An electric vehicle can be configured to execute an association procedure with one or more charging stations in a charging facility to securely connect to and receive electric power from one of the charging stations. The electric vehicle can broadcast one or more service matching messages to the charging stations and, in response, can receive attenuation information from one or more of the charging stations. The electric vehicle can analyze the attenuation information received from the charging stations to identify with which charging station the electric vehicle should associate (e.g., to determine which charging station should provide electric power to the electric vehicle). The electric vehicle can then associate with (and receive electric power from) the identified charging station. | 02-14-2013 |
20130171999 | Dynamic Channel Reuse in Multi-Access Communication Systems - Dynamic channel reuse in multi-access communication systems. A first station in a communication network may receive a transmission over a communication medium. The first station may generate a reuse determination based on information from the received transmission. The reuse determination may be usable with at least one other reuse determination to coordinate reuse of the communication medium. | 07-04-2013 |
20130235730 | PATH SELECTION FOR ROUTING TRAFFIC IN A NETWORK - Methods, systems, and apparatuses are described for communicating among stations in a network. A station in the network can determine costs between that station and a headend through a number of other stations. The station can select a low cost path from among the possible paths. Cost data from the determination can be transmitted from the station to other stations in the network for use in selecting low cost paths at those stations. | 09-12-2013 |
20130272315 | CONTENTION GROUPS FOR HIDDEN NODES - Communicating among stations in a network includes, from each of multiple stations in the network, transmitting information indicating which other stations from which that station is able to reliably receive transmissions. A schedule for communicating among the stations is determined based on the information from the stations and transmitting the schedule over the network. The schedule includes a plurality of time slots during which respective contention groups of stations are assigned to communicate using a contention-based protocol. | 10-17-2013 |
20130279621 | CHANNEL REUSE IN COMMUNICATION SYSTEMS - A method includes determining a signal strength value for a first received signal received from a first station in a first network. The first received signal is received in the first network through a shared communication medium that is shared with a second network. The method includes receiving an indicator of a signal strength value determined for a second received signal from a second station in the second network. Based on the signal strength value for the first received signal and based on the indicator of the signal strength value determined for the second received signal, a detection threshold is selected such that, in response to a third received signal having a signal strength in excess of the detection threshold, the third received signal is processed according to a protocol of the first network and is not processed according to a protocol of the second network. | 10-24-2013 |
20130287040 | MANAGING DISTRIBUTED ACCESS TO A SHARED MEDIUM - A method includes determining that a first station has been allocated a first time period to transmit over a shared medium in a network. The method includes transmitting, from the first station to a second station over the shared medium during the first time period, wherein stations other than the first station and the second station refrain from transmitting over the shared medium during the first time period. The method includes receiving, from the second station, a request message to allow the second station to transmit during the first time period and a requested amount of time to transmit. The method includes, in response to allowing the second station to transmit during the first time period, determining an authorized amount of time for the second station to transmit during the first time period, and transmitting an authorization message for the second station to transmit and the authorized amount of time. | 10-31-2013 |
20130287041 | MANAGING COMMUNICATIONS OVER A SHARED MEDIUM - Systems and methods for allocating network bandwidth between a plurality of networks. Requests for bandwidth allocation from other networks can be received. A coexistence frame requesting an allocation of bandwidth for a local network can be generated based upon the bandwidth allocation requests received from other networks. The coexistence frame can be transmitted, and utilization of the requested allocation can be delayed by a reservation period. | 10-31-2013 |
20140029645 | CHANNEL ESTIMATION FOR LOW-OVERHEAD COMMUNICATION IN A NETWORK - A receiving station receives an orthogonal frequency division multiplexing (OFDM) symbol via a shared medium, the OFDM symbol comprising a first set of frequency components modulated with preamble information and a second set of frequency components modulated with information. The receiving station processes sampled values of the received OFDM symbol based on channel characteristics estimated from the first set of frequency components to decode information encoded on a first subset of the second set of frequency components. The receiving station processes sampled values from the first symbol based on channel characteristics estimated from the first set of frequency components and the first subset of the second set of frequency components to decode information encoded on a second subset of the second set of frequency components. | 01-30-2014 |
20140119351 | DETECTING DELIMITERS FOR LOW-OVERHEAD COMMUNICATION IN A NETWORK - A waveform communicated from a first station to a second station over a shared medium may include at least the first symbol comprising a first set of frequency components at predetermined carrier frequencies modulated with preamble information and a second set of frequency components at predetermined carrier frequencies modulated with frame control information. The first symbol may comprise a single symbol delimiter. | 05-01-2014 |
20140169186 | ADAPTIVE CHANNEL REUSE MECHANISM IN COMMUNICATION NETWORKS - A feature-capable device that supports channel reuse can execute operations for determining whether to reuse or share a communication channel with a neighbor network when a local network (that comprises the feature-capable device) and/or the neighbor network comprise legacy devices that do not support adaptive channel reuse feature. The feature-capable device can determine channel performance measurements associated with each legacy device in the local network and/or the neighbor network and can compare the channel performance measurements against corresponding performance thresholds. The local network and the neighbor network can reuse the channel if the channel performance measurements associated with all the legacy devices are in accordance with the corresponding performance thresholds. The local network and the neighbor network can share the channel if the channel performance measurements of at least one of the legacy devices is not in accordance with the corresponding performance thresholds. | 06-19-2014 |
20140192641 | MEDIUM ACCESS CONTROL LAYER THAT ENCAPSULATES DATA FROM A PLURALITY OF RECEIVED DATA UNITS INTO A PLURALITY OF INDEPENDENTLY TRANSMITTABLE BLOCKS - A method of operating in a network in which a plurality of stations communicate over a shared medium, comprising providing a physical layer (e.g., PHY) for handling physical communication over the shared medium; providing a high level layer (e.g., PAL) that receives data from the station and supplies high level data units (e.g., MSDUs) for transmission over the medium; providing a MAC layer that receives the high level data units from the high level layer and supplies low level data units (e.g., MPDUs) to the physical layer; at the MAC layer, encapsulating content from a plurality of the high level data units; dividing the encapsulated content into a plurality of pieces (e.g., segments) with each piece capable of being independently retransmitted; and supplying low level data units containing one or more of the plurality of pieces. | 07-10-2014 |
20140269304 | ADVANCED GATEWAY FOR MULTIPLE BROADBAND ACCESS - An advanced gateway for multiple broadband access can include a plurality of broadband network interfaces. The advanced gateway can route data from a local network interface to a broadband network interface when a performance attribute of the broadband network meets or exceeds a data characteristic of data conveyed through the local network interface. In another embodiment, a first advanced gateway can send a portion of data received through the local network interface to a second advanced gateway when performance attributes associated with the first advanced gateway cannot meet or exceed a data characteristic of data received through a local network interface of the first advanced gateway. In yet another embodiment, an advanced gateway can receive commands from service providers, determine a recipient device for the command and forward the command to the recipient device through a device interface coupled to the recipient device. | 09-18-2014 |
20140269952 | POWERLINE COMMUNICATION ADAPTER FOR POWERLINE COMMUNICATION SYSTEMS - A powerline communication adapter may couple powerline communication signals between a network device and a powerline communication network. The powerline communication adapter may comprise of a first electrical connector including an electrical socket and a second electrical connector including an electrical plug. The powerline communication adapter may include a coupling unit coupled between the first electrical connector and the second electrical connector. The coupling unit may be configured to couple a powerline communication signal received via the first electrical connector to the second electrical connector to transmit the powerline communication signal via at least two powerline communication channels in the powerline communication network. | 09-18-2014 |
20140328268 | TRANSMIT OPPORTUNITY (TXOP) BASED CHANNEL REUSE - A method includes determining, at a first transmitter, whether to permit reuse of a first transmit opportunity (TXOP) associated with a message. The method further includes sending a portion of the message from the first transmitter to a first receiver. The portion of the message indicates whether reuse, by a reuse transmitter, of the first TXOP is permitted. When reuse of the first TXOP is permitted, the reuse transmitter is permitted to send a second message while the first transmitter sends a second portion of the message to the first receiver during the first TXOP. | 11-06-2014 |
20140328269 | TRANSMIT OPPORTUNITY (TXOP) BASED CHANNEL REUSE - A method includes sending, from a first transmitter to a first receiver, a request to send (RTS) message associated with a first transmit opportunity (TXOP). The RTS message requests the first receiver to indicate whether reuse of the first TXOP is permitted. The method further includes receiving, at the first transmitter from the first receiver, a clear to send (CTS) message responsive to the RTS message. | 11-06-2014 |
20140328270 | TRANSMIT OPPORTUNITY (TXOP) BASED CHANNEL REUSE - A method includes determining, at a first transmitter, a clear channel access (CCA) threshold associated with reuse of a first transmit opportunity (TXOP) of a message. The method further includes sending, from the first transmitter to a first receiver, at least a portion of the message, wherein the portion of the message indicates the CCA threshold. | 11-06-2014 |
20140328416 | SELECTION DIVERSITY IN A POWERLINE COMMUNICATION SYSTEM - A network device can be configured to dynamically adapt its current primary receiver coupling to channel conditions. For each of a plurality of transmitting network devices, the network device can determine a potential primary receiver coupling of the first network device for receiving communications from the transmitting network device based, at least in part, on a performance measurement associated with each of the plurality of communication channels between the network device and the transmitting device. The network device can select its current primary receiver coupling based, at least in part, on the potential primary receiver couplings determined for the plurality of transmitting network devices. In addition, the network device can also determine how to communicate with a receiving network device based, at least in part, on a preferred communication channel between the two network devices and a current primary receiver coupling of the receiving network device. | 11-06-2014 |
20140355621 | CHANNEL ADAPTATION TO COMPENSATE FOR INTERFERENCE FROM NEIGHBOR POWERLINE COMMUNICATION NETWORKS - A first powerline communication device, associated with a first powerline communication network, determines a plurality of time intervals in a beacon period of the first powerline communication network based, at least in part, on variations in levels of interference from a second powerline communication network which shares a powerline communication medium with the first powerline communication network. The first powerline communication device determines at least one channel adaptation parameter for each of the plurality of time intervals in the beacon period to compensate for effects of the variations in the levels of interference from the second powerline communication network. The first powerline communication device applies the at least one channel adaptation parameter corresponding to one or more of the plurality of time intervals in the beacon period when transmitting data via the powerline communication medium. | 12-04-2014 |
20150055563 | ADAPTIVE TRANSMIT POWER CONTROL IN A COMMUNICATION NETWORK - Network devices can be configured to implement adaptive power control functionality in a communication network. A power control requestor of a local communication network can calculate a link margin between a neighbor network device of a neighbor communication network and a local network device associated with a least preferred performance measurement. The power control requestor can transmit a power control message including the link margin to request the neighbor network device to vary the transmit power of the neighbor network device. In response to receiving a power control message, a power control responder can use a link margin indicated in the power control message to evaluate the feasibility of reducing the transmit power of the power control responder. The power control responder can transmit a power control response indicating whether it will vary the transmit power. | 02-26-2015 |
20150063370 | CHANNEL LOADING FOR ONE-TO-MANY COMMUNICATIONS IN A NETWORK - A master network device determines to transmit data from the master network device to a plurality of client network devices of a network. In one example, the master network device can generate a data frame including a payload with a plurality of symbols. The payload may include at least one symbol allocated for each of the client network devices. The plurality of symbols may be arranged in a predefined pattern in the payload. In another example, the master network device may generate a data frame including a payload with one or more symbols. Each symbol may include a plurality of frequency carriers, and may include at least one frequency carrier allocated for each of the client network devices. The plurality of frequency carriers can be allotted to the client network devices according to a partitioning pattern. The master network device then transmits the data frame to the client network devices. | 03-05-2015 |