Abstract: A first communication device transmits a null data packet (NDP) to a second communication device as part of a multi-user beamforming training transmission sequence and receives a first packet from the second communication device responsive to transmitting the NDP. The first packet includes an aggregate media access control protocol data unit (A-MPDU) having a plurality of fragments of beamforming training information that was generated by the second communication device based on the NDP. The first communication device determines that one or more of the fragments were not correctly received by the first communication device and generates a bitmap to indicate a set of at least one fragment that is to be retransmitted by the second communication device. The first communication device transmits a second packet having the bitmap to the second communication device to prompt the second communication device to retransmit the set of at least one fragment.

Abstract: Embodiments of an apparatus and method are disclosed. In an embodiment, a method of multi-link communications involves at an access point (AP) multi-link device, allocating Association IDs (AIDs) to non-AP multi-link devices, including allocating one of the AIDs to each of the non-AP multi-link devices, and at the AP multi-link device, generating a first indication element for the AIDs to indicate a buffered data configuration at the AP multi-link device for the non-AP multi-link devices.

Abstract: A method for communicating with an access point by a station. The station receives a first signal including an indication of a plurality of channels. The first signal is received from an access point. The station modifies a counter value in in response to receiving the first signal. The station further compares the counter value to a threshold value and selects a channel of the plurality of channels in response to determining the counter value corresponds to the threshold value. The station determines whether the selected channel is busy or idle. The station modifies the counter value in in response to determining that the selected channel is busy. The station transmits a second signal using the selected channel in response to determining that the selected channel is idle.

Abstract: An access point (AP) allocates a broadcast resource unit (RU), and ii) one or more other RUs for a multi-user physical layer protocol data unit (MU PPDU). The AP generates the MU PPDU to include i) a physical layer (PHY) preamble, and ii) a management medium access control layer (MAC) frame in the broadcast RU. When the AP device is allowing unassociated stations to associate with the AP device, the AP device sets a station identifier in the PHY preamble corresponding to the broadcast RU to a first value that indicates the AP device is allowing unassociated stations to associate with the AP device. When the AP device is not allowing unassociated stations to associate with the AP device, the AP device sets the station identifier to a second value that indicates the AP device is not allowing unassociated stations to associate with the AP device.

Abstract: One example discloses a wireless Access Point (AP) device, within a wireless local area network (WLAN), including: a controller configured to generate a reserve slot time trigger frame to a selected set of wireless devices; wherein the controller is configured to be coupled to an antenna; wherein the antenna is configured to transmit the reserve slot time trigger frame over a physical media to the selected set of user station devices (STAs) and exchange traffic with the selected set of STAs over the physical media; wherein the reserve slot time trigger frame is configured to reserve a slot time on the physical media; and wherein the controller is configured to transmit a burst of downlink (DL) traffic from the AP device during the slot time.

Abstract: Various embodiments relate to a system and method for joint sounding by a client with a master access point (AP) and a slave (AP), including: receiving a message from the master AP; applying network allocation vector (NAV) rules to update a NAV values, wherein the received message is treated as an intra-basic service set (BSS) message when the transmit address (TA) of the received message has a prespecified value; receiving a first trigger frame; and transmitting a first channel state information (CSI) to the master AP when the channel is idle based upon the updated NAV value in response to the trigger frame.

Abstract: One example discloses a wireless Access Point (AP) device, configured to operate within a wireless local area network (WLAN), including: a controller configured to generate a reserve slot time trigger frame and a request to transmit trigger frame; wherein the controller is configured to be coupled to an antenna; wherein the antenna is configured to transmit the trigger frames over a physical media to a set of user station devices (STAs) and exchange traffic with the set of STAs over the physical media; wherein the reserve slot time trigger frame is configured to reserve a slot time on the physical media; and wherein the request to transmit trigger frame is configured to command a first STA from the set of STAs to transmit data buffered in the first STA to the AP device.

Abstract: Embodiments of a method and an apparatus for wireless communications are disclosed. In an embodiment, a method for wireless communications involves, at a first station (STA), transmitting a first Physical Layer Protocol Data Unit (PPDU) that includes a first frame to a second STA, wherein the first frame indicates a first duration of a second PPDU that is transmitted subsequent to the first PPDU by a single STA, wherein a non-Trigger-Based (non-TB) PPDU format is used for the second PPDU, and wherein the first frame solicits a response frame included as part of the second PPDU, and at the first STA, receiving from the second STA, the second PPDU that includes the response frame.

Abstract: Various embodiments relate to a method of multi-link operation between two multi-link devices (MLDs) where at least one MLD is a non-simultaneous transmit receive (NSTR) MLD that supports enhanced multi-link radio operation, including: operating, by the NSTR MLD, in a first operating mode, wherein the first operating mode is one of multi-link radio mode or enhanced multi-link radio mode; switching, by the NSTR MLD, between the first operating mode and a second operating mode, wherein the second operating mode is the multi-link radio mode when the first operating mode is the enhanced multi-link radio mode and the second operating mode is the enhanced multi-link radio mode when the first operating mode is the multi-link radio mode; announcing the operation capability by the NSTR MLD; and announcing the operating parameters by the NSTR MLD.

Abstract: A first communication device determines, based on information included in a first packet received from a second communication device, i) an overall frequency bandwidth of an operating channel of a WLAN and ii) one or more punctured sub-channels for the operating channel. The first communication device transmits, via a plurality sub-channels included in the operating channel of the WLAN, the plurality of sub-channels not including any of the one or more punctured sub-channels, a second packet that includes an RTS frame to initiate a TXOP of the first communication device. The first communication device receives, via a subset of the plurality of sub-channels, a third packet that includes a CTS frame, determines that the subset of sub-channels is reserved for the transmit opportunity TXOP initiated by the first communication device, and transmit a fourth packet to the second communication device during the TXOP via the subset of sub-channels.

Abstract: Embodiments of an apparatus and method are disclosed. In an embodiment, a method of executing block acknowledgement operations in a multi-link communications system comprises transmitting a request for block acknowledgement response from a first multi-link device to a second multi-link device, wherein the request is either in quality of service (QoS) data frames of aggregated-media access control (MAC) protocol data unit (A-MPDU) or a block acknowledgement request, and receiving a block acknowledgment from the second multi-link device by the first multi-link device.

Abstract: Various embodiments relate to a method performed by a station to identify the maximum allowed transmit power spectral density (PSD) of a basic service set (BSS), including: receiving, by the station, a first field from an access point (AP) of the BSS, wherein the first field indicates that the BSS bandwidth is set to M times a unit channel bandwidth; receiving, by the station, a set of second fields from the AP, wherein the set of second fields includes K fields corresponding to K channels and wherein each of the K second fields indicates the maximum allowed transmit PSD for the K channels and the bandwidth of the channel is the unit channel bandwidth; and identifying, by the station, the maximum allowed transmit PSD of the M channels of the BSS bandwidth from the first M consecutive second fields.

Abstract: A first communication device determines whether a second communication device is in a power save mode with respect to a first communication link among a plurality of communication links that correspond to respective frequency segments, and determines whether the second communication device is in a power save mode with respect to a second communication link among the plurality of communication links. The second communication device is permitted to be in the power save mode with respect to the second communication link when the second communication device is not in the power save mode with respect to the first communication link, and vice versa. The first communication device communicates with the second communication device in accordance with the power save modes of the second communication device with respect to the first and second communication links.

Abstract: An access point generates respective first data units for transmission in respective frequency segments, each first data unit including a respective beacon frame having an indication that the access point is operating in multiple frequency segments, and each beacon frame including a respective MAC address utilized by the access point for operation in the respective frequency segment. The access point transmits the respective first data units having the respective beacon frames in respective primary channels of the respective frequency segments to permit client stations to discover the access point in any of the respective primary channels. In response to receiving from a first client station a probe request frame in one of the frequency segments, the access point transmits a probe response frame in the one frequency segment, the probe response frame including, for each frequency segment, respective operation information indicating respective operation parameters for the respective frequency segment.

Abstract: Embodiments of a method and an apparatus for wireless communications are disclosed. In an embodiment, a method for wireless communications involves operating an Access Point (AP) using feedback subcarrier indices for a bandwidth up to 320 MHz, signaling, by the AP, to a client, a subcarrier location set on which a feedback report is solicited, signaling, by the AP, to a client, a feedback type solicited on the subcarrier location, and indicating, by the client, feedback subcarrier indices for the subcarrier location set via the feedback report solicited by the AP.

Abstract: A first client station receives a management frame from a physical access point (AP), which implements a plurality of virtual APs. The management frame includes an indication of a plurality of respective basic services set (BSS) identifiers of a plurality of BSSs that correspond to the plurality of virtual APs. The first client station transmits a first signal as part of an uplink multi-user transmission to the physical AP. The first signal includes i) a first physical layer (PHY) preamble with a field set to a single BSS color identifier that corresponds to all of the virtual APs, and ii) a PHY payload with data intended for the first virtual AP. The first signal is transmitted while one or more second client stations transmit one or more second signals with data intended for one or more second virtual APs as part of the UL multi-user transmission.

Abstract: A method for exchanging frames between an access point (AP) multi-link device (MILD) and a non-AP MLD, comprising: establishing a plurality of links between the AP MLD and the non-AP MLD wherein the non-AP MLD is in an eMLSR/eMLMR mode; reducing the number of links between the AP MLD and the non-AP MLD to a single link, wherein the non-AP MLD remains in the eMLSR/eMLMR mode.

Abstract: Embodiments of an apparatus and method are disclosed. In an embodiment, a method of executing multi-link operations in a multi-link communications system comprises performing a single frame exchange between a first multi-link device and a second multi-link device to execute a multi-link operation for multiple links between the first and second multi-link devices using a frame transmitted on a first link among the multiple links, wherein the frame includes an element that carries other link information on at least one link of the multiple links other than the first link, wherein the frame includes per-link value information that has different values for different links of the multiple link, and wherein successful execution of the single frame exchange completes the multi-link operation for at least two links of the multiple links between the first and second multi-link devices.

Abstract: Various embodiments relate to a method performed by a first wireless device for providing a high priority communication service for a high priority traffic class between a first wireless device and a second wireless device, including: announcing support for the high priority communication service; receiving an association request from the second wireless device for the transmission of high priority traffic using the high priority communication service; accepting the received association request; and negotiating a restricted target wakeup time (TWT) service period (SP) for the high priority communication service between the first wireless device and the second wireless device, wherein higher priority is given for the transmission of high priority frames using the high priority traffic service.

Abstract: Embodiments of an apparatus and method are disclosed. In an embodiment, a method of enabling and disabling of links in the system a multi-link communications system comprises receiving, by a first multi-link device in the multi-link communications system, a status change information of a link in the multi-link communications system for the first multi-link device from an enabled status to a disabled status, and in response to the status change information, at least partially resetting, by the first multi-link device, parameters related to per-link operations for the link.