STATION ADAPTIVE RANGING
A responding station (STA) for adaptive ranging may comprise a transceiver configured to receive, from an initiating STA, a signal comprising one or more of a frame or a data packet, and a processing device. The processing device may be configured to: identify, at the responding STA, one or more of the frame or the data packet; identify, at the responding STA, one or more physical layer measurements based on the one or more of the frame or the data packet; identify, at the responding STA, one or more application layer requests comprising a ranging accuracy level; and determine, at the responding STA, one or more ranging parameters for a ranging operation based on the one or more physical layer measurements and the ranging accuracy level.
1 . A responding station (STA) for adaptive ranging, comprising:
a transceiver configured to receive, from an initiating STA, a signal comprising one or more of a frame or a data packet; and
a processing device configured to:
identify, at the responding STA, one or more of the frame or the data packet;
identify, at the responding STA, one or more physical layer measurements based on the one or more of the frame or the data packet;
identify, at the responding STA, one or more application layer requests comprising a ranging accuracy level; and
determine, at the responding STA, one or more ranging parameters for a ranging operation based on the one or more physical layer measurements and the ranging accuracy level.
2 . The responding station of claim 1 , wherein the processing device is further configured to:
determine, at the responding STA, the one or more ranging parameters based on network resource usage.
3 . The responding station of claim 1 , wherein the processing device is further configured to:
compute adjusted ranging parameters using additional physical layer measurements received in one or more iterations using a feedback loop.
4 . The responding station of claim 1 , wherein the processing device is further configured to:
determine when a modification has occurred;
update the one or more ranging parameters when the modification has occurred; and
terminate the ranging operation when the modification has not occurred.
5 . The responding station of claim 1 , wherein the ranging operation is one or more of: a one-to-one ranging operation, a one-to-many ranging operation, or a many-to-many ranging operation.
6 . The responding station of claim 1 , wherein the ranging operation is one or more of trigger based or non-trigger based.
7 . The responding station of claim 1 , wherein the ranging parameters comprise one or more of: a number of bursts, a burst duration, a minimum change in fine time measurement (FTM), a priority level, a number of FTM frames per burst, a burst period, a format, a bandwidth, a number of repetitions, a number of spatial streams, a transmission power, a null data packet transmission power, a null data packet received signal strength indication (RSSI) target, an uplink (UL) RS SI target, an immediate feedback activity, a minimum measurement time, a maximum measurement time, or an availability window.
8 . The responding station of claim 1 , wherein the one or more physical layer measurements comprise one or more of: channel state information (CSI), a received signal strength indication (RSSI), an error vector magnitude (EVM), a first path, a mean channel delay, a tap estimate, a delay estimate, a power delay profile (PDP), or a Doppler estimate.
9 . An initiating station (STA) for adaptive ranging, comprising:
a processing device configured to:
identify, at the initiating STA, one or more of a frame or a data packet based on one or more initial ranging parameters for a ranging operation;
compute, at the initiating STA, one or more physical layer measurements based on the one or more of the frame or the data packet;
identify, at the initiating STA, one or more application layer requests comprising a ranging accuracy level; and
compute, at the initiating STA, one or more adjusted ranging parameters for the ranging operation based on the one or more physical layer measurements and the ranging accuracy level; and
a transceiver configured to:
transmit, from the initiating STA to responding STA, the one or more of the frame or the data packet based on the one or more adjusted ranging parameters.
10 . The initiating station of claim 9 , wherein the processing device is further configured to:
determine, at the initiating STA, the one or more adjusted ranging parameters based on network resource usage.
11 . The initiating station of claim 9 , wherein the processing device is further configured to:
compute additional adjusted ranging parameters using additional physical layer measurements received in one or more iterations using a feedback loop.
12 . The initiating station of claim 9 , wherein the processing device is further configured to:
determine when a modification has occurred;
update the one or more adjusted ranging parameters when the modification has occurred; and
terminate the ranging operation when the modification has not occurred.
13 . The initiating station of claim 9 , wherein one or more of the initial ranging parameters of the adjusted ranging parameters comprise one or more of: a number of bursts, a burst duration, a minimum change in fine time measurement (FTM), a priority level, a number of FTM frames per burst, a burst period, a format, a bandwidth, a number of repetitions, a number of spatial streams, a transmission power, a null data packet transmission power, a null data packet received signal strength indication (RSSI) target, an uplink (UL) RSSI target, an immediate feedback activity, a minimum measurement time, a maximum measurement time, or an availability window.
14 . The initiating station of claim 9 , wherein the one or more physical layer measurements comprise one or more of: channel state information (CSI), a received signal strength indication (RSSI), an error vector magnitude (EVM), a first path, a mean channel delay, a tap estimate, a delay estimate, a power delay profile (PDP), or a Doppler estimate.
15 . A method for adaptive ranging, comprising:
receiving a ranging accuracy level from an application layer of a first station (STA) in wireless communication with a second STA;
receiving one or more physical layer measurements of the first STA; and
computing one or more ranging parameters for a ranging operation based on the ranging accuracy level and the one or more physical layer measurements.
16 . The method of claim 15 , further comprising:
receiving one or more of a frame or a data packet from an application layer of the first STA.
17 . The method of claim 15 , further comprising:
determining the one or more adjusted ranging parameters based on network resource usage.
18 . The method of claim 15 , further comprising:
computing adjusted ranging parameters using additional physical layer measurements received in one or more iterations using a feedback loop.
19 . The method of claim 15 , further comprising:
determining when a modification has occurred;
updating the one or more ranging parameters when the modification has occurred; and
terminating the ranging operation when the modification has not occurred.
20 . The method of claim 15 , wherein:
the one or more ranging parameters comprise one or more of: a number of bursts, a burst duration, a minimum change in fine time measurement (FTM), a priority level, a number of FTM frames per burst, a burst period, a format, a bandwidth, a number of repetitions, a number of spatial streams, a transmission power, a null data packet transmission power, a null data packet received signal strength indication (RSSI) target, an uplink (UL) RSSI target, an immediate feedback activity, a minimum measurement time, a maximum measurement time, or an availability window; or
the one or more physical layer measurements comprise one or more of: channel state information (CSI), a received signal strength indication (RSSI), an error vector magnitude (EVM), a first path, a mean channel delay, a tap estimate, a delay estimate, a power delay profile (PDP), or a Doppler estimate; or
a combination thereof.