Abstract: A first communication device receives respective beamforming training data units simultaneously transmitted to the first communication device by multiple second communication devices. The first communication device generates, based on the respective beamforming training data units received from the multiple second communication devices, respective beamforming feedback data units to be transmitted to respective ones of the multiple second communication devices. The first communication device transmits the respective feedback data units to the respective ones of the multiple second communication devices.

Abstract: A communication device of a client uplink group transmits an enhanced request to send (E-RTS) message to an access point of a wireless local area network, wherein the E-RTS message includes i) a length of a TXOP of the communication device and ii) an indication of a data unit size for an uplink MU-MIMO data unit to be transmitted by the communication device simultaneously with transmissions of other members of the client uplink group. The communication device receives a communication frame from the access point, the communication frame including a prompt to transmit an uplink MU-MIMO data unit having the indicated data unit size. The communication device generates the uplink MU-MIMO data unit having the indicated data unit size, and transmits, in response to the communication frame, the uplink MU-MIMO data unit to the access point during the TXOP simultaneously with transmissions of other members of the client uplink group.

Abstract: A first communication device generates a block acknowledgement (BA) frame that includes (i) acknowledgement information to indicate, to a second communication device, whether the first communication device successfully received multiple media access control (MAC) frames transmitted by the second communication device, and (ii) an indication of a change in a BA session between the first communication device and the second communication device. The first communication device transmits the BA frame to the second communication device, where the BA frame causes the second communication device to adopt the change in the BA session in response to receiving the BA frame.

Abstract: A first communication device transmits a null data packet (NDP) to multiple second communication devices. The NDP spans a channel frequency bandwidth. The first communication device receives a plurality of sounding feedback packets from the second communication devices. Each sounding feedback packet includes one or more signal-to-noise ratio (SNR) indicators corresponding to one or more respective groups of orthogonal frequency division multiplexing (OFDM) subcarriers, and the SNR indicators correspond to reception of the NDP at the plurality of second communication devices. Each sounding feedback packet in the plurality of sounding feedback packets includes a respective indication of OFDM subcarriers for which the sounding feedback packet includes SNR information, and at least one sounding feedback packet from among the plurality of sounding feedback packets does not include SNR information for all OFDM subcarriers via which the NDP was transmitted.

Abstract: A first communication device transmits a first physical layer protocol data units (PPDU) that includes a first null data packet announcement (NDPA) frame as part of a first ranging measurement exchange. The first communication device transmits a first null data packet (NDP) as part of the first ranging measurement exchange, and records a transmit time of the first NDP. The first communication device determines whether a second NDP was received correctly from a second communication device as part of the first ranging measurement exchange. In response to determining that the second NDP was not received correctly, the first communication device commences a second ranging measurement exchange, including transmitting a second PPDU that includes a second NDPA frame as part of the second ranging measurement exchange.

Abstract: A communication device generates a first portion of a physical layer (PHY) preamble of a PHY data unit to include a first plurality of orthogonal frequency division multiplexing (OFDM) symbols. Each OFDM symbol of the first plurality of OFDM symbols is modulated on at most X OFDM subcarriers, where X is a positive integer greater than one. The communication device generates a second portion of the PHY preamble to include a second plurality of OFDM symbols. Each OFDM symbol of the second plurality of OFDM symbols is modulated on at most N*X OFDM subcarriers, where N is a positive integer greater than one. The communication device generates a PHY data portion of the PHY data unit to include one or more third OFDM symbols. Each third OFDM symbol is modulated on at most N*X OFDM subcarriers. The communication device transmits the PHY data unit via the wireless communication channel.

Abstract: A first communication device receives plurality of uplink data units simultaneously transmitted by multiple second communication devices, and generates an acknowledgement data unit to acknowledge receipt of the plurality of uplink data units. Each of at least some of a plurality of acknowledgment fields includes: a first field that includes an indicator of a corresponding one of the second communication devices, a second field that indicates whether the acknowledgment field corresponds to i) an acknowledgment corresponding to a single data unit, or ii) a block acknowledgment corresponding to multiple data units, wherein when the second field that indicates a block acknowledgment, the acknowledgment field further includes a third field having a bitmap that indicates which data units in the group are being acknowledged, and wherein when the second field that indicates acknowledgment of a single data unit, the acknowledgment field does not include the third field.

Abstract: A client station generates a media access control (MAC) data unit (MPDU) that includes a MAC header. The MAC header is generated to include a control field that indicates an amount of data queued at the client station for transmission to an access point. The control field is generated to include i) a first subfield that specifies a scale factor, and ii) a second subfield that specifies a base value, and multiplying the specified base value by the specified scale factor indicates the amount of data queued at the client station. The client station transmits the MPDU to the access point to inform the access point of the amount of data queued at the client station for transmission to the access point.

Abstract: A first communication device receives an indication that a second communication device permits a duplex transmission while the second communication device transmits during a transmit opportunity period (TXOP), where duplex transmissions involve simultaneously transmitting and receiving via a same wireless frequency band. The indication is included in a media access control layer (MAC) protocol data unit (MPDU). In response to receiving the indication that the second communication device permits the duplex transmission, the first communication device determines that the first communication device is permitted to perform the duplex transmission during the TXOP. The first communication device receives a first packet from the second communication device during the TXOP, and transmits a second packet while the first communication device is receiving the first packet.

Abstract: A first communication device in a first wireless network determines a transmit power for transmitting a first packet during a spatial reuse opportunity corresponding to a transmission in a second wireless network. Determining the transmit power includes using a spatial reuse parameter, indicative of an acceptable interference level in the second wireless network, included in a second packet transmitted by a second communication device in the second wireless network. The first communication device generates the first packet to include information to indicate to a third communication device, that is an intended receiver of the first packet, to not transmit an acknowledgment of the first packet according to a normal acknowledgment procedure during the spatial reuse opportunity.

Abstract: Aspects of the disclosure provide an apparatus for wireless communication. The apparatus includes a transceiver and a processing circuit. The transceiver is configured to transmit and receive wireless signals. The processing circuit is configured to detect an error of a previous scheduled transmission of data units from the apparatus to another apparatus. The other apparatus provides scheduled resources for transmission between the two apparatuses. Further, the processing circuit is configured to determine resources that are scheduled by the other apparatus for the apparatus to perform retransmission, and provide one or more of the data units in the previous scheduled transmission to the transceiver for retransmission using the scheduled resources.

Abstract: A first wireless communication device includes a timing module to provide a timing synchronization function (TSF) time. A fine timing measurement module is to transmit a first request to perform a fine timing measurement to determine a distance between the first wireless communication device and a second wireless communication device. The first request includes a first value of the TSF time at which to start a burst period of the fine timing measurement, and the first value is determined in accordance with the TSF time provided by the timing module. The fine timing measurement module is further to receive a first response as transmitted from the second wireless communication device in response to the first request and transmit a second request to start the burst period at a TSF time indicated by the first value. The first response includes the first value of the TSF time.

Abstract: Aspects of the disclosure provide an apparatus for wireless communication. The apparatus includes a transceiver and a processing circuit. The transceiver is configured to transmit and receive wireless signals. The processing circuit is configured to determine a transmission parameter adjustment for the transceiver, detect that the transmission parameter adjustment has a potential to cause a collision to an overlapping basic service set (OBSS), adjust timings for transmission control to avoid the collision, and control the transceiver based on the determined transmission parameter adjustment and the adjusted timings for transmission control.

Abstract: Embodiments described herein provide a method for fragmenting and reassembling data frames on a medium access control (MAC) layer in a wireless local area network. A datagram is received from an application running on a first network device, for transmission over a wireless communication link in the wireless local area network. A negotiation request is initiated with a second network device for determining whether both the first network device and the second network device have enhanced directional multi-gigabit capability (EDMG) for data segmentation and reassembly. When both devices have EDMG capability and the size of the datagram exceeds the maximum size defined by the wireless local area network transmission protocol, the datagram is segmented into a plurality of transmission data units on the MAC layer.

Abstract: A method for communication in a WLAN includes onboarding, authenticating, and configuring respective BSSs of multiple access points in a multi-AP network. Respective cryptographic keys are generated for the multi-AP agents in the network by carrying out a handshaking procedure between the multi-AP controller and the multi-AP agents over the backhaul network. Upon detecting a predefined rekeying event in communications between the multi-AP controller and any given multi-AP agent, a new cryptographic key is generated for the given multi-AP agent by repeating the handshaking procedure, and applying the new cryptographic key in encrypting and authenticating messages following the rekeying event.

Abstract: Embodiments described herein provide a method for establishing multi-user operation with duplex medium access control in a wireless local area network. Specifically, a trigger frame is transmitted to one or more client stations in a wireless local area network. In response to transmitting the trigger frame, one or more uplink data packets are received from the one or more client stations. It is then determined whether the one or more client stations support duplex operation. A downlink data packet configured in a multi-user data format is transmitted to at least one destined client station that supports duplex operation while simultaneously receiving the one or more uplink data packets from the one or more client stations.

Abstract: A first communication device determines an amount of data queued at the first communication device for transmission. When a control field is to be generated according to a first format, the first communication device determines a scaling value (SV) and an unscaled value (UV) corresponding to the determined amount of data queued for transmission such that a result of SV multiplied by BV indicates the determined amount of data queued for transmission, and generates the control field to include i) a scaling factor subfield set to indicate the SV, and ii) an unscaled queue size subfield set to indicate the BV. When the control field is to be generated according to a second format, the first communication generates the control field to include a queue size subfield set to indicate the determined amount of data queued for transmission and such that the control field does not include the scaling factor subfield.

Abstract: During a service period (SP) for a ranging measurement signal exchange between a first communication device and one or more second communication devices, the first communication device receives respective first null data packets (NDPs) from the one or more second communication devices, and transmits respective second NDPs to the one or more second communication devices. The first communication device transmits, during the SP, respective first ranging measurement feedback packets to the one or more second communication devices to allow each of the one or more second communication devices to determine a time-of-flight between the first communication device and the second communication device and/or receives, during the SP, respective second ranging measurement feedback packets from the one or more second communication devices to allow the first communication device to determine respective times-of-flight between the first communication device and the one or more second communication devices.

Abstract: A method for acknowledging a first medium access control (MAC) service data unit (MSDU) is described. A first aggregate MAC protocol data unit (A-MPDU) of a first orthogonal frequency division multiple access (OFDMA) data unit is received at a first communication device from a second communication device. The first A-MPDU includes a first fragment of a plurality of fragments of the first MSDU. A second A-MPDU of a second OFDMA data unit is received at the first communication device from the second communication device. The second A-MPDU includes a second fragment of the plurality of fragments and the second fragment is an end fragment of the plurality of fragments. A fragment acknowledgment data unit is generated by the first communication device to acknowledge receipt of each of the plurality of fragments of the first MSDU. The fragment acknowledgment data unit is caused to be transmitted to the second communication device.

Abstract: A first communication device generates respective media access control (MAC) protocol data units (MPDUs) that include respective data for a respective second communication devices, and determines respective resource units (RUs) via which at least some of the second communication devices are to transmit as part of an uplink (UL) orthogonal frequency division multiple access (OFDMA) physical layer (PHY) transmission to respectively acknowledge receipt of the respective MPDUs. The first communication device generates respective control frames that are configured to prompt the at least some of the second communication devices to transmit the UL OFDMA PHY transmission, and that include indicators of the RUs via which the at least some of the second communication devices are to transmit as part of the UL OFDMA PHY transmission. The first communication device generates and transmits a single multi user (MU) PHY data unit that includes i) the MPDUs, and ii) the control frames.