Wireless local area network sensing sounding

Abstract

This disclosure describes systems, methods, and devices related to WLAN sensing sounding. A device may identify a sensing null data packet (NDP) request frame received from a second device, the sensing NDP request frame associated with performing a wireless local area network channel sounding procedure; identify transmit parameters included in a transmit control field of the sensing NDP request frame; generate an NDP frame using the transmit parameters; and send, in response to the sensing NDP request frame, the NDP frame to the second device.

What is claimed is: 
     
         1 . A device, the device comprising processing circuitry coupled to storage, the processing circuitry configured to:
 identify a sensing null data packet (NDP) request frame received from a second device, the sensing NDP request frame associated with performing a wireless local area network channel sounding procedure;   identify transmit parameters included in a transmit control field of the sensing NDP request frame;   generate an NDP frame using the transmit parameters; and   send, in response to the sensing NDP request frame, the NDP frame to the second device.   
     
     
         2 . The device of  claim 1 , wherein the transmit control field comprises a transmit configuration hold sub-field, wherein the transmit configuration hold sub-field consists of one bit indicating that the device is to use the transmit parameters when sending the NDP frame, and wherein the NDP frame is sent using the transmit parameters. 
     
     
         3 . The device of  claim 1 , wherein the transmit control field comprises a transmit configuration hold sub-field, wherein the transmit configuration hold sub-field consists of one bit indicating that the device is permitted to use different transmit parameters when sending the NDP frame, and wherein the NDP frame is sent using the transmit parameters or the different transmit parameters. 
     
     
         4 . The device of  claim 1 , wherein the transmit control field comprises a transmit configuration number sub-field, wherein the transmit configuration number sub-field comprises the transmit parameters, and wherein the NDP frame is sent using the transmit parameters. 
     
     
         5 . The device of  claim 1 , wherein the transmit parameters comprise a transmission power level and a number of transmit antennas, and wherein the NDP frame is sent using the transmit parameters. 
     
     
         6 . The device of  claim 1 , wherein the transmit parameters comprise a transmitter address and a receiver address, and wherein the NDP frame is sent using the transmit parameters. 
     
     
         7 . The device of  claim 1 , wherein the NDP frame is a high efficiency (HE) ranging NDP. 
     
     
         8 . The device of  claim 1 , wherein the processing circuitry is further configured to send a second NDP frame to the second device in response to the sensing NDP request frame. 
     
     
         9 . The device of  claim 1 , wherein the processing circuitry is further configured to:
 send a first NDP announcement (NDPA) frame prior to sending the NDP frame;   send a second NDPA frame after sending the NDP frame; and   sending a second NDP frame after sending the second NDPA frame,   wherein the first NDPA frame, the first NDP frame, the second NDPA frame, and the second NDP frame are associated with the wireless local area network channel sounding procedure.   
     
     
         10 . The device of  claim 1 , wherein the sensing NDP request frame comprises a first station information field and a second station information field, the first station information field comprising a first identifier of the device and a second identifier of a third device. 
     
     
         11 . The device of  claim 10 , wherein the first station information field comprises at least one of a transmission opportunity sub-field, a transmit configuration hold sub-field, a transmit configuration number sub-field, a transmit power level sub-field, or a number of transmit antennas sub-field. 
     
     
         12 . The device of  claim 1 , further comprising a transceiver configured to transmit and receive wireless signals comprising the sensing NDP request frame and the NDP frame. 
     
     
         13 . The device of  claim 12 , further comprising an antenna coupled to the transceiver to cause to send the NDP frame. 
     
     
         14 . A non-transitory computer-readable medium storing computer-executable instructions which when executed by one or more processors result in performing operations comprising:
 generating a sensing null data packet (NDP) request frame, the sensing NDP request frame associated with performing a wireless local area network channel sounding procedure;   sending the sensing NDP request frame to a first station device, the sensing NDP request frame comprising transmit parameters included in a transmit control field; and   identifying an NDP frame received from the first station device in response to the sensing NDP request frame, the NDP frame sent using the transmit parameters and associated with the wireless local area network channel sounding procedure.   
     
     
         15 . The non-transitory computer-readable medium of  claim 14 , wherein the transmit control field comprises a transmit configuration hold sub-field, and wherein the transmit configuration hold sub-field consists of one bit indicating that the first device is to use the transmit parameters when sending the NDP frame. 
     
     
         16 . The non-transitory computer-readable medium of  claim 14 , wherein the transmit control field comprises a transmit configuration hold sub-field, wherein the transmit configuration hold sub-field consists of one bit indicating that the first device is permitted to use different transmit parameters when sending the NDP frame. 
     
     
         17 . A method comprising:
 identifying, by processing circuitry of a first device, a sensing null data packet (NDP) request frame received from a second device, the sensing NDP request frame associated with performing a wireless local area network channel sounding procedure;   identifying transmit parameters included in a transmit control field of the sensing NDP request frame;   generating an NDP frame using the transmit parameters; and   sending, in response to the sensing NDP request frame, the NDP frame to the second device.   
     
     
         18 . The method of  claim 17 , further comprising identifying an NDP from the first device. 
     
     
         19 . The method of  claim 17 , wherein the transmit control field comprises a transmit configuration hold sub-field, wherein the transmit configuration hold sub-field consists of one bit indicating that the first device is to use the transmit parameters when sending the NDP frame, and wherein the NDP frame is sent using the transmit parameters. 
     
     
         20 . The method of  claim 17 , wherein the transmit control field comprises a transmit configuration hold sub-field, wherein the transmit configuration hold sub-field consists of one bit indicating that the first device is permitted to use different transmit parameters when sending the NDP frame, and wherein the NDP frame is sent using the transmit parameters or the different transmit parameters.