Abstract: Embodiments of the present invention provide a method that includes receiving, by a traffic arbiter, a predetermined time-slot allocation of one or more uplink time slots and/or one or more downlink time slots for a first wireless media access control (MAC) configured to operate within a first wireless transmission system. The method also includes determining, by the traffic arbiter, whether to grant a second wireless MAC, configured to operate within a second wireless transmission system, permission to transmit or receive based at least in part on the predetermined time-slot allocation.

Abstract: A method includes generating a first data unit to be transmitted during a first time period, including generating a field that specifies a first number of beamforming training data units that can be communicated during a first training session; processing a second data unit received during a second time period, including determining whether the first training session was accepted based on a first field of the second data unit, and determining a second number of beamforming training data units that can be communicated during a second training session based on a second field of the second data unit; and if the first training session was accepted, causing the specified first number of beamforming training data units to be communicated during the first training session.

Abstract: Systems and techniques relating to wireless communications are described. A described technique includes obtaining data for a transmission to a wireless communication device. The wireless communication device can be configured to process incoming transmissions based on an aggregate data unit format that specifies signaling for aggregating multiple medium access control (MAC) data units. The technique includes, in a physical (PHY) frame, an aggregate data unit that is based on the data and the aggregate data unit format, the aggregate data unit including a single MAC data unit. The technique includes, in the PHY frame, an indication to signal that the MAC data unit in the aggregate data unit is singular and to cause the wireless communication device to accept the aggregate data unit without a corresponding block acknowledgement agreement.

Abstract: A client station includes a transceiver module and an association module. The transceiver module is configured to receive a beacon from an access point. The beacon includes information of a first available channel that is not assigned for licensed use in a regulated frequency spectrum and that is available for use at a location of the access point. The association module is configured to associate the client station with the access point via the first available channel in response to the client station being within range of the location of the access point.

Abstract: A method in a receiving device that receives data from a plurality of transmitting devices via a shared wireless communication channel includes selecting a group of two or more transmitting devices from the plurality of transmitting devices for simultaneous transmission of respective data to the receiving device, so that each transmitting device in the group of transmitting devices transmits the respective data to the receiving device at a nominal power level of the transmitting device, and receiving the respective data from each in the group of transmitting devices simultaneously via the shared wireless communication channel.

Abstract: Aspects of the disclosure provide a method for sharing power load in a network. The method includes identifying a first device to serve as an AP of the network in a next time interval, providing network information from a second device that presently serves as the AP to the first device. When the first device starts to serve as the AP of the network, the second device can be configured to enter into a power save state in order to reduce power consumption by the second device in the next time interval.

Abstract: Systems, methods, and other embodiments associated with wireless coexistence through antenna switching are described. According to one embodiment, a method includes selecting one or both of a first transceiver and a second transceiver for connection to an antenna, based, at least in part, on the operating mode of the first transceiver and the second transceiver. The method includes connecting the selected transceiver(s) to the antenna, such that the selected transceiver(s) is enabled to communicate on the antenna and any transceiver(s) not selected is not able to communicate on the antenna.

Abstract: Systems and techniques relating to wireless communications are described. A described technique includes obtaining data for a transmission to a wireless communication device(s), including one or more medium access control (MAC) data units that encapsulate data in a physical (PHY) frame, determining a length of a MAC layer pad based on a number of symbols associated with the PHY frame, including, in response to the length of the MAC layer pad being greater than zero, the MAC layer pad in the PHY frame after the one or more MAC data units, determining a length of a PHY layer pad based on remaining available bits in the PHY frame, including, in response to the length of the PHY layer pad being greater than zero, the PHY layer pad in the frame after the MAC layer pad, and transmitting the PHY frame to the wireless communication device(s).

Abstract: Systems and techniques relating to wireless communications are described. A described technique includes monitoring wireless communication channels, including a first channel and a second channel, to produce a monitoring output, determining a first transmission period for the first channel, determining a second transmission period for the second channel, transmitting, based on the first transmission period, a first packet on the first channel to cause one or more wireless communication devices to set a transmission protection period for the first channel and the second channel based on a reception of the first packet, transmitting, based on the second transmission period, a second packet on the second channel, and monitoring, after the end of the first transmission period, for one or more acknowledgements. An end of the second transmission period can be aligned with an end of the first transmission period.

Abstract: A network device of a peer-to-peer network includes a parameter monitoring module. The parameter monitoring module is configured to monitor a network device parameter of the network device. A client traffic window adjusting module is configured to adjust at least one of N client traffic window parameters based on the network device parameter. The N client traffic window parameters include at least one of: a length of a client traffic window; and a number of client traffic windows within a predetermined period. A physical layer device is configured to receive a discovery response signal from a peer-to-peer device during a period of the client traffic window.

Abstract: A method of generating packets for transmission in a wireless communication system, wherein each packet includes a SIG field that includes a first SIG subfield, includes generating a data packet and a null data packet. Generating the data packet includes generating information bits of the first SIG subfield of the data packet and generating the data portion of the data packet. The information bits of the first SIG subfield of the data packet indicate, to a receiving device, a length corresponding to a data portion of the data packet. Generating the null data packet includes generating information bits of the first SIG subfield of the null data packet. The information bits of the first SIG subfield of the null data packet indicate, to a receiving device, a first physical layer (PHY) parameter value associated with the null data packet. The first PHY parameter value is not a length value.

Abstract: A method of generating packets for transmission in a wireless communication system. The method comprises generating a data packet and generating a null data packet. Generating the data packet includes generating a data packet signal (SIG) field including a first data packet SIG subfield indicating a first physical layer (PHY) parameter to a receiving device. Generating the data packet also includes generating a data field. Furthermore, generating the null data packet includes generating a null data packet SIG field. The null data packet SIG field includes a first null data packet SIG subfield indicating a second PHY parameter to a receiving device. The data packet SIG field excludes any SIG subfield indicating the second PHY parameter to a receiving device, and (ii) the null data packet SIG field excludes any SIG subfield indicating the first PHY parameter to a receiving device.

Abstract: Apparatus having corresponding methods and computer programs comprise: an input circuit adapted to receive a first packet of data, wherein the first packet has an Internet Protocol (IP) multicast destination address; a controller adapted to identify one or more wireless clients based on the IP multicast destination address and unicast media access control (MAC) addresses of the one or more wireless clients; a packet circuit adapted to generate one or more second packets of the data, wherein each of the second packets has one of the unicast MAC addresses as a MAC destination address; and a wireless output circuit adapted to wirelessly transmit the one or more second packets of the data.

Abstract: Systems and techniques relating to wireless local area network devices include a method involving generating a baseband signal indicative of one or more symbols, modulating the baseband signal at a carrier frequency to produce a modulated signal, transmitting the modulated signal via a wireless channel, and providing a clock signal to control, in the baseband signal, a duration of the one or more symbols. Providing the clock signal can include selectively using a first clock frequency to generate a first baseband signal having a first bandwidth. Providing the clock signal can include selectively using a second, lower clock frequency to generate a second baseband signal having a second, lower bandwidth. The second clock frequency can be used to extend a wireless communication range of the wireless channel.

Abstract: A system including a first preamble generation module, a second preamble generation module, and a packet generation module. The first preamble generation module is configured to generate a first preamble. The first preamble includes a first training field to train receivers operating at a first data rate. The second preamble generation module is configured to generate a second preamble. The second preamble includes a second training field to train receivers operating at a second data rate. The second data rate is different than the first data rate. The packet generation module is configured to generate a packet. The packet includes the second preamble followed by the first preamble in response to the packet being transmitted at the first data rate, or the first preamble followed by the second preamble in response to the packet being transmitted at the second data rate.

Abstract: A system including a midamble detection module and a processing module. The midamble detection module is configured to detect a midamble of a packet transmitted via a channel, where the packet includes (i) a preamble, (ii) the midamble, and (iii) a plurality of data fields, where the preamble includes (i) a first short training field, (ii) a first long training field, and (iii) a signal field, where the midamble includes (i) a second short training field and (ii) a second long training field, and where the midamble follows the preamble and is between two or more of the data fields. The processing module is configured to determine that the channel is busy in response to detecting the midamble in the packet.

Abstract: A method and apparatus for conserving power in a mesh point in which in response to the mesh point participating in mesh activity while in an awake mode, the mesh point continues in the awake mode for a first awake time period. In response to the first awake time period expiring without the mesh point participating in the mesh activity, the mesh point is operated in a low power mode for a first sleep time period. In response to the first sleep time period expiring, the mesh point is operated in the awake mode for a second awake time period to detect additional mesh activity. And in response to the second awake time period expiring without detecting the additional mesh activity, the mesh point is operated point in the low power mode for a second sleep time period.

Abstract: A coexistent communication system of a first network device includes a remote network radio. The remote network radio has a remote transmission distance, operates based on remote network protocols, and communicates with a base station using a first communication link corresponding to a first frequency band. A local network radio has a local transmission distance and is collocated with the remote network radio. The local network radio operates based on local network protocols that are different than the remote network protocols and communicates with a second network device using a second communication link corresponding to a second frequency band. A control module at least one of schedules communication on the first communication link and the second communication link and adjusts a transmission parameter of one of the remote network radio and the local network radio. Transmission distance of the remote network radio is greater than transmission distance of the local network radio.

Abstract: A network interface includes a radio frequency system and a media access controller. The media access controller includes first and second client modules and a control module. Each of the client modules wirelessly communicates with a network via the radio frequency system and the antenna. Each of the client modules is controllable to be in an active state or a sleep state. The control module determines priority levels of the first client module and the second client module. The control module also, based on the priority levels, (i) controls the first client module to be in the active state to permit communication between the first client module and the radio frequency system, and (ii) controls the second client module to be in the sleep state to prevent communication between the second client module and the radio frequency system.

Abstract: A method includes generating first and second data units corresponding to first and second PHY modes, respectively. Generating the first data unit includes FEC encoding first information bits, mapping the FEC-encoded bits to first constellation symbols, and generating first OFDM symbols to include the first constellation symbols. The first OFDM symbols utilize a first tone spacing, and include a first number of non-zero tones collectively spanning a first bandwidth. Generating the second data unit includes FEC encoding second information bits, block encoding the FEC-encoded bits, mapping the block-encoded bits to second constellation symbols, and generating second OFDM symbols to include the second constellation symbols. The second OFDM symbols utilize the first tone spacing, and include a second number of non-zero tones collectively spanning a second bandwidth less than the first bandwidth. The second number of non-zero tones is less than the first number of non-zero tones.