Abstract: An aggregated physical layer (PHY) data unit for transmission of independent data for a plurality of stations via a communication channel is generated, wherein the aggregated PHY data unit includes i) a plurality of individual PHY data units corresponding to the plurality of stations and ii) information that indicates locations of at least some of the plurality of individual PHY data units within the aggregated PHY data unit. Beamforming is controlled while the aggregated PHY data unit is being transmitted. Transmission in an omnidirectional or quasi-omnidirectional manner is performed while the information that indicates locations of at least some of the plurality of individual PHY data units is transmitting. For each of the individual PHY data units, beamforming to the corresponding station is performed while at least some of the corresponding individual PHY data unit is being transmitted.

Abstract: A plurality of individual physical layer (PHY) data units having independent data for a plurality of stations are generated. The plurality of individual PHY data units includes a first individual PHY data unit corresponding to a first station, a second individual PHY data unit corresponding to a second station, and a third individual PHY data unit corresponding to a third station. The second individual PHY data unit includes a first midamble of an aggregated PHY data unit, and the third individual PHY data unit includes a second midamble of the aggregated PHY data unit. The aggregated PHY data unit is generated to include the plurality of individual PHY data units, wherein the first midamble includes information that indicates a location within the aggregated PHY data unit of the third individual PHY data unit.

Abstract: Systems and techniques relating to wireless communications are described. A described technique includes monitoring a group of wireless channels that are useable by at least a first wireless communication device for wireless communications, receiving one or more beacon signals from one or more second wireless communication devices, identifying, within the group of wireless channels, one or more primary channels on which the one or more beacon signals are received, estimating a traffic load for the one or more identified primary channels, determining, based on the estimated traffic load, whether to use as a primary channel for the first wireless communication device, a channel of the one or more identified primary channels or a channel of the group of wireless channels that is separate from the one or more identified primary channels; and selecting the primary channel for the first wireless communication device based on a result of the determining.

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 network device includes a first communication module and a second communication module. The first communication module communicates with a first device using a first wireless communication standard. The first communication module receives data from the first device during a first time period and transmits data to the first device during a second time period. The second communication module communicates with a second device using a second wireless communication standard. The second communication module receives a block of packets from the second device during the first time period. The second communication module transmits an acknowledgement to the second device during the second time period when the block of the packets is received.

Abstract: Systems and techniques for wireless communication are described.

Abstract: The present disclosure provides secure block acknowledgment techniques for use in communication networks. In one embodiment, a method of processing data at a communication device that maintains a receiving window defining a set of information units that the communication device may accept includes receiving an information unit from a transmitting station during a block acknowledgment session with the transmitting station. The information unit includes information indicative of a request for the communication device to adjust the receiving window. The method further includes determining whether the received information unit is encrypted. The method further includes adjusting the receiving window if the received information unit is encrypted.

Abstract: A radio frequency transmitting system includes a programmable amplifier, a power amplifier, a power detector, and a calibration module. The programmable amplifier is configured to amplify an input signal to generate an amplified signal. The power amplifier is configured to output a transmit signal in response to the amplified signal. The transmit signal has a transmit power. The power detector is configured to generate a power measurement in response to the transmit power. The calibration module is configured to implement a plurality of feedback loops to adjust a gain of the programmable amplifier in response to a difference between the power measurement and a desired transmit power. The calibration module is configured to select one of the plurality of feedback loops in response to the desired transmit power.

Abstract: Systems and techniques relating to wireless communications are described. A described technique includes monitoring a group of wireless channels that are useable by at least a first wireless communication device for wireless communications, receiving one or more beacon signals from one or more second wireless communication devices, identifying, within the group of wireless channels, one or more primary channels on which the one or more beacon signals are received, estimating a traffic load for the one or more identified primary channels, determining, based on the estimated traffic load, whether to use as a primary channel for the first wireless communication device, a channel of the one or more identified primary channels or a channel of the group of wireless channels that is separate from the one or more identified primary channels; and selecting the primary channel for the first wireless communication device based on a result of the determining.

Abstract: Systems and techniques relating to wireless communications are described. A described technique includes generating a physical frame and causing a transmission of the physical frame to the wireless communication device. The physical frame includes (i) one or more medium access control data units that encapsulate data for a wireless communication device, (ii) a medium access control layer pad that includes one or more padding delimiters, and (iii) a physical layer pad, wherein a length of the medium access control layer pad and a length of the physical layer pad are based on the physical frame. The one or more padding delimiters can include an end-of-frame flag to inform the wireless communication device to stop receiving a remaining portion of the physical frame.

Abstract: Systems and techniques relating to wireless communications are described. A described technique includes identifying devices to receive spatially steered data frames during a transmission opportunity (TXOP), the data frames being included in a multi-user frame; transmitting, during the TXOP, request to send (RTS) information to the identified devices; receiving clear to send (CTS) responses from the identified devices; determining bandwidth configurations for the identified devices based on the CTS responses; selecting a bandwidth configuration for the multi-user frame based on the bandwidth configurations to produce a selected bandwidth configuration that enables the data frames to be spatially steered and transmitted concurrently within the multi-user frame; and transmitting, during the TXOP, the multi-user frame to the identified devices in accordance with the selected bandwidth configuration.

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: 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: In a method for generating a control data unit a physical layer (PHY) preamble of the control data unit is generated. In generating the PHY preamble, an address field is generated to indicate a communication device for which the data unit is intended, and a frame type field is generated to indicate a type of the control data unit. The address field and the frame type field are included in the PHY preamble. The control data unit is generated to include the PHY preamble. The control data unit is transmitted. The control data unit omits (i) a MAC header, and (iii) a payload.

Abstract: In a method for transmitting a data unit in a wireless communication network, a physical layer (PHY) preamble and a media access control layer (MAC) header are generated. In generating the MAC header, a first address field to include a first address and a second address field to include a second address are generated. The first, not globally unique, address indicates a communication device for which the data unit is intended or a communication device that is transmitting the data unit. The second address field indicates the other one of a communication device for which the data unit is intended or a communication device that is transmitting the data unit. The first address field and the second address field are included in the MAC header. The MAC header omits a globally unique address corresponding to the first address of the first address field.

Abstract: In a method for generating a data unit for transmission in a wireless network, a physical layer (PHY) preamble is generated. A field to indicate whether an acknowledgment data unit is intended to follow the data unit is generated and included in the PHY preamble. A media access control layer (MAC) header is generated, and the data unit is generated to include the PHY preamble and the MAC header. The data unit is transmitted.

Abstract: In a method for generating a data unit for transmission in a wireless network, a physical layer (PHY) preamble is generated. In generating the PHY preamble, a first indicator is generated to indicate at least one of (i) whether the data unit includes data offloaded from a mobile telephony network separate from the wireless network, or (ii) whether the data unit (a) was generated by, or (b) is addressed to, a communication device that supports offloading of data from the mobile telephony network to the wireless network. The first indicator is included in the PHY preamble. Additionally, a media access control layer (MAC) header is generated. The data unit is generated to include the PHY preamble and the MAC header. The data unit is then caused to be transmitted.

Abstract: Selection between first and second communication channels of differing bandwidths for communication between communication devices may be chosen by a method, an apparatus, or a computer-readable medium wherein the first channel is employed as a communication channel, a determination is made whether a criterion associated with the communication channel is met, and, if the criterion associated with the communication channel is met, an evaluation of the second channel is performed and one of the first and second channels is chosen to subsequently employ as the communication channel based on the evaluation of the second channel.