Abstract: This disclosure provides methods, devices and systems for protecting latency-sensitive communications during restricted target wake time (r-TWT) service periods (SPs). Some implementations more specifically relate to coordinated scheduling of r-TWT SPs between OBSSs. In some aspects, a first AP may coordinate with a second AP in scheduling r-TWT SPs so that latency-sensitive traffic in a first BSS does not interfere or collide with latency-sensitive traffic in a second BSS overlapping the first BSS. In some implementations, the first and second APs may schedule their respective r-TWT SPs to be orthogonal in time. In some other implementations, the first and second APs may schedule their r-TWT SPs to overlap in time, while allocating coordinated resources to concurrent or overlapping latency-sensitive traffic in the first and second BSSs (such as in accordance with one or more multi-AP coordination techniques).

Abstract: Aspects of the present disclosure provide mechanisms for conveying (critical) updates to a corresponding STA that is in an unassociated state. In some cases, a network entity may obtain an update during a communication session, such as a sensing measurement session. The network entity may then output a notification of the update to another wireless device. The network entity may also output the actual update itself.

Abstract: This disclosure provides methods, components, devices, and systems that support context acquisition for seamless roaming. Some aspects more specifically relate to segmenting a packet number (PN) space into subsets that are dynamically assigned to access points (APs) associated with a station (STA). In some implementations, a first wireless device (such as a STA) may communicate with a second wireless device (such as a serving AP) using a first subset of user data context parameters (such as a group or segment of PNs) that correspond to a first index assigned to the second wireless device. If, for example, the first wireless device decides to roam to a third wireless device (such as a target AP), the first wireless device may transmit one or more packets to the third wireless device using a second subset of the user data context parameters assigned to the third wireless device.

Abstract: A first access point (AP) of an AP multi-link device (MLD) is associated with a first communication link, and one or more secondary APs of the AP MLD are associated with one or more respective secondary communication links of the AP MLD. The first AP of the AP MLD generates a frame including a first change sequence field and one or more secondary change sequence fields. The first change sequence field indicates a presence or absence of a critical update associated with the first communication link, and each of the one or more secondary change sequence fields indicates a presence or absence of a critical update associated with a corresponding secondary communication link of the AP MLD. The first AP of the AP MLD transmits the frame over the first communication link of the AP MLD to a station (STA) of a STA MLD.

Abstract: This disclosure provides a method for wireless communication performable at an access point (AP). The AP transmits a first frame to a non-AP wireless station (STA). A first field of the first frame indicates transmission information associated with one or more second frames. A second field of the first frame contains a first set of parameters associated with the AP. The AP further transmits a second frame to the non-AP wireless STA. The second frame may include at least one field containing a second set of parameters associated with the AP. The first set of parameters are different from the second set of parameters.

Abstract: This disclosure provides methods, components, devices and systems for frame protection in wireless communications. Some aspects more specifically relate to a first wireless device (such as a STA or AP) that may transmit frames with a packet number (PN) that has a time-based portion and a counter value. In some examples, the time-based portion may include a truncated timing synchronization function (TSF) value that indicates a time at which the frame was transmitted from the first wireless device, and the counter value may be incremented for each frame that is transmitted with a same truncated TSF value. A second wireless device may receive the frame and compare the truncated TSF with a current local time based on a truncated local TSF. The second wireless device may process the frame or discard the frame based on the comparison.

Abstract: Methods, systems, and devices for wireless communications are described. A first device may receive signaling associated with a traffic class from a second device. The first device may determine that the traffic class is included in a set of known traffic classes based on a set of features associated with the signaling. In response to determining that the traffic class is included in the set of known traffic classes, the first device may use a machine learning model to obtain a prediction of an application associated with the signaling. The prediction may be based on the set of features. The machine learning model may be trained at the first device or the second device. The first device may receive information associated with the machine learning model from the second device.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a receiver device may receive a management frame addressed to the receiver device; parse the management frame to identify a link identifier included in the management frame; associate the link identifier with link information included in the management frame; and update, based at least in part on the link information, a communication configuration for a link identified by the link identifier. Numerous other aspects are provided.

Abstract: This disclosure provides methods, devices and systems related multi-link wireless communication. A method may include establishing, between the first WLAN device and a second WLAN device, a multi-link association that enables a first wireless communication link and a second wireless communication link. The method may include determining a temporal key for the multi-link association. The method may include encrypting a first and second media access control (MAC) protocol data unit (MPDU) based on the temporal key. The method may include preparing a first frame including the encrypted first MPDU and a second frame including the encrypted second MPDU. The method may include assigning packet numbers from a set of sequential packet numbers to the first and second frames. The method may include transmitting the first frame over the first wireless communication link and the second frame over the second wireless communication link.

Abstract: This disclosure provides methods, components, devices and systems for enhancements to request to send (RTS) and clear to send (CTS) exchanges. A first wireless device may receive a beacon frame indicating for the first wireless device to monitor a first channel for a first frame that schedules communication via one or more channels. The first wireless device may receive, from a second wireless device, the first frame indicating a channel bandwidth and a puncturing pattern of multiple available puncturing patterns for the channel bandwidth. The puncturing pattern may be associated with a first subset of a set of multiple channels of the channel bandwidth. The first wireless device may transmit, to the second wireless device, a second frame indicating that a second subset of channels is available and may receive one or more data packets via the second subset of channels.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for managing data traffic in restricted target wake time (TWT) service periods (SPs). In some aspects, an access point (AP) may transmit a packet, at the beginning of a restricted TWT SP, that signals all non-member wireless stations (STAs) to defer access to the wireless medium for at least a threshold duration. Upon receiving the packet, any non-member STAs that are associated with the AP may set their network allocation vectors (NAVs) according to the duration indicated by a duration field of the received packet. In some implementations, low-latency STAs that are members of the TWT SP may not set their NAVs according to the duration field of the received packet. Instead, the low-latency STAs may access the wireless medium before the NAVs associated with the non-member STAs expire.

Abstract: This disclosure provides methods, components, devices and systems for managing a multi-traffic identifier (TID) and multi-link block acknowledgment (BA) negotiation scheme. In some aspects, to negotiate a setup session between wireless communication devices, a first wireless communication device may transmit a request message including an information container that includes one or more negotiation parameter sets each associated with a type of traffic. For example, a type of traffic may correspond to a TID or a resource reservation for a particular traffic flow. Each negotiation parameter set may indicate functionalities being negotiated for the setup session. In association with the negotiation, a second wireless communication device may transmit a response message to the first wireless communication device that includes values for the negotiation parameter sets.

Abstract: This disclosure provides methods, devices and systems for protecting latency-sensitive communications, during restricted target wake time (r-TWT) service periods (SPs), from non-legacy STAs that do not support r-TWT operation. Some implementations more specifically relate to preventing STAs that are not members of an r-TWT SP from acquiring transmit opportunities (TXOPs) that would otherwise overlap with the start of the r-TWT SP. In some implementations, the AP may require all non-legacy STAs associated with its basic service set (BSS) to support r-TWT operation. In some other implementations, the AP may attempt to capture a wireless channel associated with the r-TWT SP within a fixed period preceding the r-TWT SP. In some other implementations, the AP may require all associated STAs to transmit a request-to-send (RTS) frame when attempting to acquire a TXOP. Still further, in some implementations, the AP may limit the duration of TXOPs acquired by non-member STAs.

Abstract: This disclosure provides methods, components, devices and systems for low latency channel access. Some aspects more specifically relate to preemption of existing transmission opportunities (TXOPs) such that devices with low latency traffic to transmit may access the communication medium to transmit low latency traffic. Short physical layer protocol data units (PPDUs) may be used within TXOPs with interframe spaces between the PPDUs such that a device with low latency traffic may transmit a preemption indication during the interframe space. A first wireless communication device may identify low latency traffic during a first PPDU of a TXOP assigned to a second wireless communication device. The first wireless communication device may transmit a preemption indication in an interframe space that indicates that a subsequent scheduled PPDU in the TXOP will be preempted in order for the first wireless communication device to transmit a PPDU to convey the low latency traffic.

Abstract: A transmitting (Tx) access point (AP) multi-link device (MLD) may be configured to designate a parent ML element and at least one child ML element in the network management frame, e.g., the beacon frame or probe response frame, and at least one non-AP MLD may be configured to receive the network management frame and apply the parent ML element to the child ML element.

Abstract: This disclosure provides systems, methods, and apparatuses for associating a wireless communication device such as a wireless station (STA) of a STA multi-link device (MLD) with an access point (AP) MLD that includes a first AP associated with a first communication link of the AP MLD and includes one or more secondary APs associated with one or more respective secondary communication links of the first AP MLD. The first AP includes one or more virtual APs, and the first AP and the one or more virtual APs of the first AP belong to a first multiple basic service set identifier (BSSID) set associated with the first communication link.

Abstract: This disclosure provides systems, methods, and apparatuses for wireless communication that can be used to establish a restricted target wake time (TWT) session on a wireless medium. In some implementations, an access point (AP) establishes a restricted TWT session for one or more wireless stations (STAs) associated with latency sensitive traffic, the restricted TWT session including restricted TWT service periods (SPs) during which the AP reserves access to the wireless medium for only the one or more STAs associated with the latency sensitive traffic. The AP transmits a clear-to-send (CTS) frame at a start of each restricted TWT SP, the CTS frame indicating to other STAs that the wireless medium is unavailable for a duration of the respective restricted TWT SP. The AP transmits latency sensitive data to or receives latency sensitive data from the one or more STAs during at least one of the restricted TWT SPs.

Abstract: In some implementations, an access point (AP) establishes a restricted target wake time (TWT) session including at least one restricted TWT service period (SP) for peer-to-peer (P2P) communications. The AP admits a group of wireless stations (STAs) associated with P2P communications as members of the restricted TWT session, obtains a transmission opportunity (TXOP) on the wireless channel during the at least one restricted TWT SP, and transmits, on the wireless channel, a protection frame identifying one or more STAs of the group of STAs belonging to the restricted TWT session that are permitted to transmit or receive P2P communications on the wireless channel during the TXOP. The protection frame may also indicate to receiving devices other than the one or more identified STAs that the wireless channel is unavailable for at least a portion of the TXOP.

Abstract: This disclosure provides systems, methods, and apparatuses for associating a wireless communication device such as a wireless station (STA) of a STA multi-link device (MLD) with an access point (AP) MLD that includes a first AP associated with a first communication link of the AP MLD and includes one or more secondary APs associated with one or more respective secondary communication links of the first AP MLD. The first AP includes one or more virtual APs, and the first AP and the one or more virtual APs of the first AP belong to a first multiple basic service set identifier (BSSID) set associated with the first communication link.

Abstract: This disclosure provides methods, components, devices and systems for multi-link wireless communications. According to certain aspects, a wireless node may obtain information regarding a machine learning (ML) model, obtain inputs for the ML model, provide the inputs to the ML model to generate an inference, and use the inference to make a decision regarding a handover of the wireless node from at least a first access point (AP) device to a second AP device.