Abstract: Techniques are provided for dynamic forbiddance of wireless transmissions by transmitters of one or more overlapping basic service set (OBSS) concurrent with transmissions of a transmitter in a first basic service set (BSS). A first transmitter of a first BSS may identify a transmission that is to be a protected transmission, and based on the identification may dynamically forbid one or more other transmitters of an OBSS that overlaps with the first BSS from concurrent transmissions with the protected transmission. An access point or station of an OBSS may receive an indication of the forbiddance of transmissions and may apply deferral rules to defer transmissions based on the forbiddance. One or more disincentive rules may be applied at the first transmitter to provide disincentives for forbidding OBSS reuse.

Abstract: Methods and apparatus for multiple user uplink are provided. In one aspect, a method for wireless communication is provided. The method includes transmitting a clear to transmit (CTX) message to two or more stations, the CTX indicating an uplink transmission opportunity, the CTX message further comprising a request that the two or more stations concurrently transmit uplink data at a specific time. The method further includes receiving a plurality of uplink data from at least two stations at the specific time.

Abstract: Methods and apparatus for clear channel assessment are disclosed. In some aspects, a method for wireless communication includes determining, at a first device, an indication of a quality level of a communication path between the first device and a second device, determining a clear channel assessment parameter based on the indication, performing, at the first device, a clear channel assessment based on the clear channel assessment parameter, and transmitting a message to the second device in response to the clear channel assessment.

Abstract: In some aspects, a method for configuring channel access parameters in a wireless communication system includes determining, at an access point, a number of a plurality of stations instructed to transmit a concurrent uplink communication. The method further includes selecting, at the access point, an enhanced distributed channel access (EDCA) parameter based on the number of the plurality of stations that are instructed to transmit the concurrent uplink communication.

Abstract: Methods and stations for wireless communication are described herein. In some aspects, the station may include a processing circuit configured to process a first signal transmitted to the station, the first signal indicating a target wake up time when an activation signal is expected to be received. The station may further include a wake-up circuit configured to transition a first receiver to an awake state based on the indicated target wake up time. The first receiver is configured to receive the activation signal at the indicated target wake up time. The station may further include a second receiver configured to transition to an awake state based on the first receiver receiving the activation signal and receive a second signal while in the awake state.

Abstract: 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.

Abstract: A method of controlling transmissions includes receiving, at a first wireless device, a packet from a second wireless device over a particular channel in a network. The method also includes determining a transmission power of the packet and determining a clear channel assessment threshold for the particular channel based at least in part on the transmission power. The method further includes deferring transmissions over the particular channel to the second wireless device based on the clear channel assessment threshold.

Abstract: Systems, methods, and devices for high-efficiency wireless frequency division multiplexing are provided. A method includes receiving, at a first wireless device, a reference signal from an associated access point, the reference signal indicative of a time of joint transmission with at least a second wireless device. The method further includes transmitting a first communication to the access point based on the reference signal, the communication utilizing a first subset of wireless frequencies available for use. The first communication is concurrent with a second communication, from the second wireless device, utilizing a second subset of wireless frequencies, the second subset excluding the first subset.

Abstract: Systems and methods for wireless communications are disclosed. More particularly, aspects generally relate to techniques for wireless communications by an apparatus comprising determining a first identifier for use in identifying an intended recipient of frames transmitted by members of a peer-to-peer group, generating a first frame having a signal field including the first identifier, and outputting the first frame for transmission to at least one of the members in the peer-to-peer group. Other aspects generally relate to techniques for wireless communications by an apparatus comprising assigning a first identifier to a first peer-to-peer group for use in identifying intended recipients of frames transmitted by members of the first peer-to-peer group, generating a first frame having an indication of the first identifier, and outputting the first frame for transmission to at least one of the members of the first peer-to-peer group.

Abstract: A method, an apparatus, and a computer-readable medium for wireless communication are provided. In an aspect, an apparatus may be configured to transmit a first frame that includes a delay indicator. The apparatus may be configured to receive a second frame from a station based on the transmitted first frame. The apparatus may be configured to determine when to transmit a third frame based on the received second frame. In this aspect, the delay indicator may indicate whether the access point will delay transmitting the third frame after receiving the second frame during multi-user uplink operation.

Abstract: Certain aspects of the present disclosure provide methods and apparatus for polling for data by a wireless device. Certain aspects of the present disclosure providing a method performed by the wireless device. The method generally includes receiving a polling frame from at least one wireless device. The polling frame can include an indication of a service period during which the access point may deliver multiple protocol data units (PDUs) to the wireless device in response to the polling frame. The indication of the service period is provided as a value relative to a local clock synchronized between the wireless device and the access point. The method generally also includes transmitting the multiple PDUs to the wireless device during the service period, in response to the polling frame. The access point can receive the polling frame and transmit the multiple PDUs during the service period, in response to the polling frame.

Abstract: Methods and apparatus for managing reuse of a wireless medium are provided. One method of managing reuse of a wireless medium includes determining, at an access point, whether to allow reuse of the wireless medium by one or more stations in a basic service set (BSS). The method further includes transmitting, upon determining to allow reuse, an indication that reuse of the wireless medium can be permitted for stations meeting a criteria. The method further includes determining one or more reuse parameters. The method further includes transmitting the one or more reuse parameters.

Abstract: A method for configuring channel access parameters in a wireless communication system includes selecting an element identification (ID) from a plurality of element IDs. Each of the plurality of element IDs identifies an enhanced distributed channel access (EDCA) parameter set element comprising at least one channel access parameter for at least one subset of wireless devices in a group of wireless devices. The selected element ID is identifiable by wireless devices of the group of wireless devices and not identifiable by other wireless devices. The method further includes generating the EDCA parameter set element for setting the at least one channel access parameter for each wireless device in the at least one subset. The EDCA parameter set element includes the selected element ID. The method further includes transmitting the EDCA parameter set element to at least one wireless device in the at least one subset of wireless devices.

Abstract: The present disclosure provides techniques for configuring the utilization of request-to-send/clear-to-send (RTS/CTS) protocol procedures based on varying conditions at the STA. For example, an AP may identify one or more conditions, when satisfied, may trigger the STA to either enable or disable uplink (UL) transmissions associated with a RTS/CTS protocol procedure. In some aspects, an AP may determine a transmit opportunity (TXOP) threshold for an STA and may determine whether to broadcast a message having the TXOP threshold to multiple STAs including the STA or unicast the message to the STA. An STA may receive a message from an AP having a TXOP threshold and may replace, based on an indication in the received message, a current TXOP threshold in the STA with the TXOP threshold in the received message. The STA may transmit an UL RTS frame in response to a determination that a planned TXOP duration satisfies the TXOP threshold.

Abstract: The present disclosure provides techniques for configuring the utilization of request-to-send/clear-to-send (RTS/CTS) protocol procedures based on varying conditions at the STA. For example, an AP may identify one or more conditions, when satisfied, may trigger the STA to either enable or disable uplink (UL) transmissions associated with a RTS/CTS protocol procedure. In some aspects, an AP may determine a transmit opportunity (TXOP) threshold for an STA and may determine whether to broadcast a message having the TXOP threshold to multiple STAs including the STA or unicast the message to the STA. An STA may receive a message from an AP having a TXOP threshold and may replace, based on an indication in the received message, a current TXOP threshold in the STA with the TXOP threshold in the received message. The STA may transmit an UL RTS frame in response to a determination that a planned TXOP duration satisfies the TXOP threshold.

Abstract: A wireless device may utilize enhanced OBSS identification techniques to determine whether an interfering transmission is associated with an OBSS. In an example, a wireless device may receive a WLAN packet that includes a preamble and a data region. The wireless device may analyze the preamble to determine whether the WLAN packet is an OBSS packet. If the wireless device determines there is insufficient information in the preamble to identify the WLAN packet as an OBSS packet, the wireless device may decode a portion of the data region (e.g., a MAC header) to determine if the WLAN packet is an OBSS packet. Prior to declaring a successful decoding of the MAC header, the wireless device may confirm the MAC header has been received reliably. Additionally or alternatively, BSS identifiers may be included in the data region and used to determine if the WLAN packet is associated with an OBSS.

Abstract: Methods, systems, and devices are described for wireless communication. A transmitting device may transmit soliciting frames to a receiving device on a forward link. In response to the soliciting frames, the receiving device may transmit solicited frames in an immediate response back to the transmitting device on a reverse link. A solicited frame may fail to successfully decode at the transmitting device. The transmitting device in response may indicate an instantaneous value for one or more reverse link transmission parameters when sending a subsequent soliciting frame. The reverse link transmission parameters may be predetermined in a fixed mapping such that one or more values for the reverse link transmission parameters depend on values for the forward link transmission parameters. The receiving device may override the predetermined value and instead use the instantaneous value. An indicator of the instantaneous value may also be sent in a control field.

Abstract: Methods and devices for enhanced power save protocol are provided. In one aspect, a message to two or more stations is transmitted, the message requesting the two or more stations to transmit power save polls concurrently at a specified time. The power save polls are then received concurrently from each of the stations.

Abstract: Various aspects are provided for cooperative reception. In one approach, a first access point (AP) may receive uplink data from a second AP, wherein the first AP and the second AP have an overlapping coverage area, where the uplink data is received at the first AP via the second AP from a wireless station within the overlapping coverage area. The first AP may communicate to the wireless station a block response frame associated with the uplink data. The block response frame may be a block acknowledgment frame. The block response frame may be communicated in response to a request by the wireless station or based on a scheduled time. The first AP may contend for a communications channel to communicate the block response frame. The wireless station or the first AP may set up the cooperative reception in which the second AP forwards the uplink data to the first AP.

Abstract: Techniques for reducing delay in scheduling traffic transmission in an overlapping basic service set (OBSS) environment by modifying backoff mechanisms are disclosed. In some examples, a device (e.g., station (STA) or access point (AP)) may decode at least a portion of a preamble of a received packet to determine whether the packet is sent by a member of an OBSS (e.g., STA or AP from a different BSS). Backoff operations are typically deferred as a result of the decoding. Aspects of the present disclosure provide a method, apparatus, and system to reduce delay in scheduling traffic transmissions by resuming the backoff operations prior to expiration of the period reserved for an OBSS packet by the network allocation vector (NAV). In other words, the device may not honor the NAV of the OBSS packet, and instead perform spatial reuse by transmitting another packet (or signal) on the same frequency channel during the NAV of the OBSS packet.