Abstract: Disclosed herein is a method performed by a first access point (AP) to perform an overlapping basic service set (OBSS) channel sounding procedure. The method includes transmitting a null data packet announcement (NDPA) frame to cause a second AP operating a second BSS to transmit a null data packet (NDP) frame, wherein the NDPA frame includes an indication of a transmit power that the second AP is to use for transmitting the NDP frame and transmitting a trigger frame to cause a station (STA) that belongs to the first BSS to transmit a channel state information feedback frame, wherein the STA transmits the channel state information feedback frame using a transmission scheme that is determined based on the transmit power indicated in the NDPA frame.

Abstract: Disclosed herein is a method performed by a first access point (AP) to perform an overlapping basic service set (OBSS) channel sounding procedure. The method includes transmitting a null data packet announcement (NDPA) frame to cause a second AP operating a second BSS to transmit a null data packet (NDP) frame, determining a transmission scheme that a station (STA) that is associated with the first AP is to use for transmitting a channel state information feedback frame based on information included in the NDP frame transmitted by the second AP, and transmitting a trigger frame to the STA to cause the STA to transmit the channel state information feedback frame, wherein the trigger frame includes an indication of the transmission scheme that the STA is to use for transmitting the channel state information feedback frame.

Abstract: A method performed by a wake-up receiver station in a wireless network. The method includes wirelessly receiving, via the main radio, a beacon frame from an access point, wherein the beacon frame includes information regarding a restricted access window (RAW) that is allocated for one or more wake-up receiver stations forming a RAW group of the RAW, and responsive to determining that the wake-up receiver station is part of the RAW group, transitioning from being in a deep sleep mode to being in a normal sleep mode when the RAW begins, wherein when the wake-up receiver station is in the deep sleep mode, both the main radio and the wake-up receiver are turned off, wherein when the wake-up receiver station is in the normal sleep mode, the main radio is turned off but the wake-up receiver is turned on.

Abstract: Disclosed herein is a method performed by a wireless device to poll candidate shared APs regarding participation in coordinated time division multiple access (c-TDMA). The method includes transmitting a first control frame to poll candidate shared APs regarding participation in the c-TDMA, wherein the first control frame includes an indication of a primary traffic priority level of traffic to be transmitted during the c-TDMA, receiving, from one or more candidate shared APs as a response to the first control frame, one or more first response frames indicating that the one or more candidate shared APs are interested in participating in the c-TDMA, and selecting one of the one or more candidate shared APs that responded to the first control frame to participate in the c-TDMA based on information included in the one or more first response frames received from the one or more candidate shared APs.

Abstract: Disclosed herein is a method performed by a sharing access point (AP) to be able to receive a transmission opportunity (TXOP) return frame during coordinated time division multiple access. The method includes providing a temporary channel access parameter set (TCAPS) to a station (STA) associated with the sharing AP, wherein the TCAPS includes a duration parameter indicating a duration for which the STA is to apply the TCAPS, wherein the duration is sufficiently long to encompass a portion of a TXOP that is to be allocated to a shared AP. The method further includes performing a frame exchange with the STA that causes the STA to apply the TCAPS for the duration, transmitting a TXOP sharing frame to the shared AP to allocate the portion of the TXOP to the shared AP, and receiving the TXOP return frame from the shared AP.

Abstract: Disclosed herein is a method performed by a wireless device belonging to a basic service set (BSS) to perform non-primary channel access (NPCA). The method includes maintaining local overlapping basic service set (OBSS) information set and peer OBSS information set for a peer wireless device. The peer OBSS information set includes information regarding whether the peer wireless device can obtain NPCA information from preambles transmitted by one or more OBSSs and information regarding rates or modulation coding schemes receivable by the peer wireless device from the one or more OBSSs. The method further includes determining, based on the peer OBSS information set for the peer wireless device, whether the peer wireless device can perform NPCA during transmission of the PPDU and performing NPCA with the peer wireless device in a NPCA primary channel in response to determining that the peer wireless device can perform NPCA.

Abstract: A method performed by a wireless device operating as an access point in a wireless network to allocate a restricted access window (RAW) for wake-up receiver stations. The method includes generating a beacon frame, wherein the beacon frame includes information regarding a RAW that is allocated for one or more wake-up receiver stations, wherein each of the one or more wake-up receiver stations includes a main radio and a wake-up receiver and wirelessly transmitting the beacon frame.

Abstract: A method is performed by a station (STA). The method includes the steps of receiving, from an access point (AP), an indication of whether to use a preamble detection NPCA channel switching approach or a control frame detection NPCA channel switching approach, overhearing a PPDU transmitted in a primary channel, and determining whether NPCA can be performed in a NPCA primary channel during transmission of the PPDU using the preamble detection NPCA channel switching approach or the control frame detection NPCA channel switching approach depending on the indication received from the AP.

Abstract: A method performed by a wireless device to extend an effective transmission range of a physical layer protocol data unit (PPDU). The method includes transmitting a PPDU that includes a preamble and a data field, wherein the data field is transmitted in a plurality of distributed-tone resource units (dRUs) each carrying a same set of data symbols. A different mapping of the same set of data symbols to tone positions may be used in different ones of the plurality of dRUs to increase frequency diversity.

Abstract: A notch filter is coupled to a first input node and a second input node, and is configured to present a capacitive load to a differential signal provided to the first and second input nodes, and to present a series-resonant inductive-capacitive load to a common-mode signal provided to the first and second input nodes. The notch filter includes a transformer and a capacitor bank. The transformer includes a first winding having a positive-polarity terminal coupled to the first input node and a second winding having a positive-polarity terminal coupled to the second input node. The capacitor bank includes a first capacitor coupled between a negative-polarity terminal of the first winding and a bias node, and a second capacitor coupled between a negative-polarity terminal of the second winding and the bias node. The first and second capacitors may be variable capacitors.

Abstract: Disclosed herein is a method performed by a wireless device belong to a basic service set (BSS) to dynamically select a non-primary channel access (NPCA) primary channel. The method includes determining a bandwidth occupied by signals in an overlapping basic service set (OBSS), determining the NPCA primary channel to use for performing NPCA in the BSS based on the bandwidth occupied by the signals in the OBSS, and performing the NPCA in the BSS using the determined NPCA primary channel.

Abstract: Disclosed herein is a method performed by a wireless device to perform non-primary channel access (NPCA). The method includes overhearing a control frame and a corresponding response frame transmitted in a primary channel in an overlapping basic service set (OBSS), extracting bandwidth information from a field of the control frame, determining an available non-primary channel based on a bandwidth indicated by the bandwidth information, and performing NPCA in the determined available non-primary channel in the BSS after overhearing the response frame.

Abstract: An embodiment is method performed by a wireless device to allow preemption in a wireless network. The method includes wirelessly transmitting a first preemption physical layer protocol data unit (PPDU) that includes a complete preamble followed by one or more subsequent preemption PPDUs that each include a reduced preamble, wherein the complete preamble includes one or more preamble fields that are omitted in the reduced preamble, wherein the first PPDU and the one or more subsequent preemption PPDUs are transmitted with a predefined interframe space interval between PPDU transmissions during which preemption is allowed.

Abstract: A method performed by a wireless device operating in a wireless network, wherein the wireless device includes a main radio and a wake-up receiver. The method includes detecting, by a first component of the wake-up receiver, a wake-up receiver preamble in a wireless transmission received by the wireless device and waking up a second component of the wake-up receiver in response to detecting the wake-up receiver preamble.

Abstract: A method performed by a wireless device for wirelessly transmitting a wake-up signal and data frame to one or more other wireless devices. The method includes wirelessly transmitting a wake-up signal to the one or more other wireless devices, wirelessly receiving a response frame that is responsive to the wake-up signal from one of the one or more other wireless devices before an estimated full transition delay has elapsed after the wake-up signal was transmitted, wherein the estimated full transition delay includes an estimated delay to activate a radio frequency or baseband component and an estimated delay to load a program for execution, and wirelessly transmitting, after the estimated full transition delay has elapsed, a data frame that includes data intended for the one or more other wireless device in response to a determination that the response frame has been received.

Abstract: A method performed by an access point (AP) to receive uplink trigger-based physical layer protocol data units (PPDUs) from stations (STAs) in accordance with a distributed tone resource unit (dRU) tone plan for a distribution bandwidth. The method includes assigning dRUs to the STAs in the distribution bandwidth, wherein the dRU tone plan for the distribution bandwidth specifies a set of non-contiguous data tones for each of the dRUs, wherein the dRU tone plan for the distribution bandwidth further specifies pilot tones that are located at the same subcarrier indices as pilot tones specified by a regular non-distributed tone resource unit (rRU) tone plan for the distribution bandwidth. The method further includes soliciting the uplink trigger-based PPDUs from the STAs in accordance with the assignment and receiving the uplink trigger-based PPDUs from the STAs in the dRUs assigned to the STAs in accordance with the dRU tone plan for the distribution bandwidth.

Abstract: A method is performed by a wireless device. The method comprises receiving a predetermined number N of Orthogonal Frequency Division Multiplexing (OFDM) symbols of a PHY Protocol Data Unit (PPDU), determining, using the Nth received OFDM symbol, whether the PPDU is a PPDU according to a first wireless network standard or a PPDU according to a second wireless network standard, and decoding the PPDU according to the determined wireless network standard. The predetermined number N corresponds to either a location of a Legacy Signal (L-SIG) field in the PPDU or the location of a symbol of a second field of the second wireless network standard in the PPDU, the second field being different from the L-SIG field. The first and second wireless network standards may each be a Vehicle to Everything standard or an Intelligent Transportation System standard, and may be different from each other.

Abstract: An embodiment is a method performed by a station (STA) to provide a coordinated bandwidth query report (CBQR) to an access point (AP). The method includes generating a frame that includes an aggregated control (A-control) field, wherein the A-control field includes a CBQR field, wherein the CBQR field includes a basic service set (BSS) color field that carries a BSS color of a BSS and an available channel bitmap field that carries a bitmap indicating subchannel availability at the STA with respect to the BSS. The method further includes transmitting the frame to the AP.

Abstract: A harmonic rejection mixer that uses switched capacitors for amplitude control and uses two different duty cycle local oscillator (LO) signals for phase control for each harmonic. The harmonic rejection mixer uses 2-vector variable duty harmonic rejection. which allows for the harmonic rejection mixer to be less complex. consume less power, and/or use less components/space compared to conventional harmonic rejection mixers.

Abstract: An embodiment is a method performed by a shared access point (AP) to provide coordinated frequency resource information to a sharing AP. The method includes obtaining frequency resource availability information for one or more stations (STAs) that are associated with the shared AP, generating the coordinated frequency resource information based on aggregating the obtained frequency resource availability information for the one or more STAs and frequency resource availability information for the shared AP, generating a control frame that includes an aggregated control (A-control) field that includes the coordinated frequency resource availability information, and transmitting the control frame to the sharing AP.