Abstract: A method and system for establishing a subnet in a wireless network is provided for wireless transmission of information between two stations in the network. A subnet access process in a wireless communication system establishes a subnet comprising a direct wireless link on a secondary frequency channel for wireless transmission of data between two stations.

Abstract: A method and system for wireless communication over a wireless communication medium is provided. A schedule is generated which indicates when a wireless communication station may enter a power saving state in an announcement time (AT) period, based on an idle timeout interval in the AT period. The AT period comprises a period after a beacon transmission in a beacon interval.

Abstract: A method and system for audio transmission in a wireless communication system which transmits digital video and digital audio in High-Definition Multimedia Interface (HDMI) format. Position information of audio packets within the HDMI frame is obtained. Digital audio information including the position information is transmitted from a data source device to a data sink device via a wireless communication medium. At the data sink device, an HDMI frame is reconstructed by inserting received audio packets into horizontal and vertical blanking periods of the HDMI frame.

Abstract: A method and system for wireless data communication for peer wireless stations in a network is provided. A pair of peer wireless stations perform discovery on a predefined wireless communication channel to discover each other. Upon peer wireless stations successfully discovering one another, a wireless communication channel is selected to setup a connection between the peer wireless stations for data communication on the selected wireless communication channel. The peer wireless stations then perform connection setup and data communication over the selected wireless channel. In one implementation, the network comprises a wireless local area network (WLAN) for ad-hoc Independent Basic Service Set (IBSS) peer-to-peer communication. Further, the peer wireless stations conduct millimeter wave (mmWave) directional data transmissions between the peer wireless stations on the selected wireless data communication channel.

Abstract: A system and method for wireless communication over multi-rate channels are disclosed. One embodiment of the system operates on wake-up schedules for power saving. The system includes a first multi-band wireless station that is capable of using a first frequency band and a second frequency band for wireless communication; and a second multi-band wireless station that is capable of using the first frequency band and the second frequency band for wireless communication. One or more of the first and second stations is configured to maintain therein one or more wake-up schedules on the second frequency band of one or more of the first station, the second station, and an access point. The first and second stations are configured to share the one or more wake-up schedules with each other via the first frequency band. The system allows the stations to effectively associate with each other, thereby saving power.

Abstract: The present invention provides a method and a system for generating a block acknowledgment for aggregated MSDUs (A-MSDU) transmitted from a sender to a receiver over a wireless channel. Upon receiving the A-MSDU, the receiver generates a MSDU Block Acknowledgment (MSDU-BA) that includes an acknowledgment for each received MSDU. Based on the MSDU-BA, the sender selectively retransmits only the erroneous MSDU(s) to the receiver.

Abstract: A method and system for analog beamforming in a wireless system is provided. Analog beamforming involves performing an iterative beam acquisition process based on beam search training, determining transmit and receive beamforming vectors including phase weighting coefficients, based on the iterative beam acquisition process. Each iteration includes estimating the receive and transmit beamforming coefficients alternatively, until the receive and transmit beamforming coefficients converge.

Abstract: A method and system for wireless data communication is provided, which involves constructing a data payload containing data, partitioning the data payload into fragments, performing block code encoding on each fragment, wherein at least one fragment is encoded at a different coding gain than another fragment, and transmitting the data payload including encoded fragments over a wireless channel.

Abstract: A retransmission method and system for time-constrained video packet transmission between a sender and a receiver, wherein the retransmission deadline of each packet is individually adjusted based on the actual decoding time deadline at the receiver decoder. Accordingly, variable retransmission deadlines are set corresponding to the decoding and playback time for each data packet which carries compressed video information. As such, both network efficiency and video transmission quality are improved compared to the conventional retransmission approaches.

Abstract: The present invention provides a method and a system for PSMP communication in a wireless communication system such as an IEEE 802.11n WLAN including an AP and multiple STAs. An example of such a PSMP communication involves transmitting a PSMP frame from the AP to the STAs over a wireless channel, detecting if the channel is idle for certain duration, and if the channel is idle for said certain duration, then performing a PSMP recovery process. The PSMP frame includes one or more STA info fields which specify schedules of periods for communication over the wireless channel in a PSMP sequence. In performing a PSMP recovery process, the AP constructs and broadcasts a PSMP recovery frame that allows STAs that missed the original PSMP frame to join the PSMP sequence.

Abstract: A method and system for transmitting uncompressed video information from a sender to a receiver over a wireless channel is described. Uncompressed video information bits are provided at the sender and the video information bits are packetized into one or more packets. A preamble to precede the data in each packet is provided, where the preamble includes a set of short training sequences and a set of long training sequences. Multiple packets are transmitted from the sender to the receiver over a wireless channel. In certain embodiments, the set of short training sequences includes seven short training sequences and the set of long training sequences includes two long training sequences, and the total length of the preamble is five orthogonal frequency-division multiplexing (OFDM) symbols long.

Abstract: A MIMO wireless system includes a transmitter having a parser that parses a bit stream into multiple spatial data streams and multiple interleavers corresponding to the multiple spatial data streams, where each interleaver interleaves the bits in the corresponding spatial data stream by performing frequency rotation after an interleaving operation, to increase diversity of the wireless system. The MIMO wireless system also includes a receiver that has deinterleavers that deinterleaves spatial bit streams transmitted by the transmitter.

Abstract: A system and method for wireless communication having a device coordinator selection capability are disclosed. In one aspect, the method comprises determining a coordinator priority of each device based on a static priority table, the table assigning a priority to each type of devices. The method further comprises selecting a first device among the plurality of devices as the coordinator based at least in part on the coordinator priority of each device, and a coordinator candidate from the plurality of devices except the current coordinator, based on the coordinator priority of each device and probing results.

Abstract: A system and method for wireless communication over multi-rate channels are disclosed. One embodiment of the system includes a first multi-band wireless station that is capable of using a first frequency band and a second frequency band for wireless communication; and a second multi-band wireless station that is capable of using the first frequency band and the second frequency band for wireless communication. One or more of the first and second stations is configured to monitor a status of the second frequency band. The status includes the availability of the second frequency band for communication between the first and second stations. The first and second stations can share the monitored status with each other via the first frequency band.

Abstract: A method and system for wireless data communication is provided, which involves constructing a data payload containing data, partitioning the data payload into fragments, performing LDPC encoding on each fragment, and transmitting the data payload including encoded fragments over a wireless channel.

Abstract: A system and method for performing a beamforming training between heterogeneous wireless devices in a wireless network is disclosed. A number of time slots in a fixed-time period are assigned for transmit and/or receive sector training. The number of time slots assigned for transmit and/or receive sector training is based on an antenna configuration of a wireless station.

Abstract: Uncompressed video information is transmitted over a wireless communication medium from a wireless sender device to a wireless receiver device. Progressive transmission data rate adaptation is performed on original uncompressed video pixel information. The progressive transmission data rate adaptation is performed on selected pixel information to obtain a rate-reduced pixel information. The rate-reduced pixel information requires a lower transmission data rate than the original frame. The rate-reduced pixel information is transmitted over the wireless communication medium to the wireless receiver device. At the receiver, a reverse operation is performed to recover the original uncompressed video pixel information.

Abstract: A method and system for communication in a wireless enhanced control area network including wireless station nodes is provided. One implementation involves each wireless station node employing a wireless communication protocol for wireless communication of control area network (CAN) messages among the wireless station nodes on a wireless communication medium, wherein each CAN message comprises a content-identified data message or an error message. The wireless communication protocol including a medium access control protocol for controlling access to the wireless communication by the wireless station nodes.

Abstract: A method and system for communication between mobile stations in a wireless relay enhanced cellular communication system. One implementation involves providing a communication resource allocation for peer-to-peer (P2P) communication between a pair of mobile stations during a P2P enhanced time frame wherein one mobile station serves a role as a transparent relay station (MRS) and another mobile station serves a role as a peer mobile station in the pair; and delivering resource allocation information comprising communication periods and frequency subcarriers to the pair of mobile stations, for the mobile station pair to conduct P2P communication therebetween in the P2P enhanced time frame.

Abstract: A method and system for allocating subcarrier frequency resources in a relay enhanced cellular communication system including a base station, multiple relay stations and mobile stations. One implementation involves, for a new relay station joining the relay enhanced cellular communication system, identifying mobile stations that the new relay station can service, and assigning sufficient resources to the new relay station to accommodate minimum data rate requirements of the access links of the identified mobile station. The resources are assigned by adjusting existing resource assignments essentially in an optimal manner while reducing impact on existing stations in the relay enhanced cellular communication system.