Method, apparatus, and system for wireless sensing measurement and reporting

Patent metadata

Field	Value
Publication number	US-12439288-B2
Application number	US-202318199963-A
Country	US
Kind code	B2
Filing date	May 21, 2023
Priority date	May 30, 2022
Publication date	Oct 7, 2025
Grant date	Oct 7, 2025

Abstract

Methods, apparatus and systems for wireless sensing are described. In one example, a described system in a wireless data communication network comprises: a transmitter configured to transmit a time series of at least one wireless sounding signal (WSS) based on a standard wireless network protocol associated with the wireless data communication network, and a receiver. The wireless data communication network comprises a physical (PHY) layer, a medium access control (MAC) layer, and at least one higher layer. The receiver is configured to: receive the time series of at least one WSS (TSWSS) based on the standard wireless network protocol through a wireless channel of a venue, and perform a plurality of wireless sensing measurements based on the received TSWSS to obtain sensing measurement results based on the standard wireless network protocol. The PHY layer or the MAC layer of the receiver provides the sensing measurement results locally to the at least one higher layer of the receiver based on the standard wireless network protocol. The sensing measurement results are available to the at least one higher layer of the receiver for performing a sensing-based task based on the sensing measurement results.

First claim

We claim:

1. A system in a wireless data communication network for wireless sensing, comprising:
a sensing initiator device configured to wirelessly transmit a configuration frame comprising a local-nonlocal-reporting configuration field to a receiver in the wireless data communication network based on a standard wireless network protocol, requesting the receiver to (1) perform wireless sensing measurements by functioning as a sensing receiver to obtain sensing measurement results and (2) report the sensing measurement results either locally in the receiver, or nonlocally to the sensing initiator device, or both, according to a bit pattern in the local-nonlocal-reporting configuration field based on the standard wireless network protocol associated with the wireless data communication network;
a transmitter configured to transmit a time series of at least one wireless sounding signal (WSS) based on the standard wireless network protocol associated with the wireless data communication network, wherein the wireless data communication network comprises a physical (PHY) layer, a medium access control (MAC) layer, and at least one higher layer; and
the receiver configured to:
obtain wirelessly the configuration frame comprising a wireless sensing measurement setup request from the sensing initiator device according to the standard wireless network protocol during a setup procedure associated with a plurality of wireless sensing measurements, wherein the sensing initiator device is different and separate from the receiver,
determine whether the local-nonlocal-reporting configuration field of the configuration frame has a first bit pattern or a second bit pattern, the local-nonlocal-reporting configuration field being associated with the local reporting and the nonlocal reporting, the first bit pattern and the second bit pattern are bit patterns indicating configurations related to the local reporting or the nonlocal reporting of the sensing measurement results,
in response to wirelessly receiving the wireless sensing measurement setup request from the sensing initiator device, transmit wirelessly a response message to the sensing initiator device to agree to (1) function as the sensing receiver to obtain the sensing measurement results and (2) report the sensing measurement results according to the local-nonlocal-reporting configuration field of the configuration frame in a wireless sensing measurement procedure in accordance with the standard wireless network protocol,
after the setup procedure, receive the time series of at least one WSS (TSWSS) based on the standard wireless network protocol and the wireless sensing measurement setup request through a wireless channel of a venue,
perform the plurality of wireless sensing measurements based on the received TSWSS to obtain sensing measurement results based on the standard wireless network protocol and the wireless sensing measurement setup request, wherein the sensing measurement results comprise at least one of the following of the wireless channel: channel information (CI), channel state information (CSI), channel impulse response (CIR), channel frequency response (CFR), channel filter response or received signal strength indicator (RSSI),
provide the locally-generated sensing measurement results locally by the PHY layer or the MAC layer of the receiver through a MAC sublayer management entity (MLME) to the at least one higher layer of the receiver based on the standard wireless network protocol and the first or second bit pattern of the local-nonlocal-reporting configuration field of the configuration frame such that:
when the local-nonlocal-reporting configuration field has the first bit pattern, the sensing measurement results are configured to be reported locally to the at least one higher layer of the receiver in a first reporting way but not to any device other than the receiver, according to the standard wireless network protocol, and
when the local-nonlocal-reporting configuration field has the second bit pattern, the sensing measurement results are configured to be reported both locally to the at least one higher layer of the receiver in the first reporting way and nonlocally to the sensing initiator device other than the receiver in a second reporting way different from the first reporting way, according to the standard wireless network protocol,
wherein the first reporting way comprises at least one of: a first type, a first precision, a first processing, a first sampling, a first timing, or a first specification of the sensing measurement results decided locally in the receiver,
wherein the second reporting way comprises at least one of: a second type, a second precision, a second processing, a second sampling, a second timing, or a second specification of the sensing measurement results in accordance with the wireless sensing measurement setup request from the sensing initiator device,
wherein the sensing measurement results are available to the at least one higher layer of the receiver for performing a sensing-based task based on the sensing measurement results.

2. The system of claim 1 , wherein the standard wireless network protocol is at least one of: a wireless LAN (WLAN) standard protocol, a mobile communication standard protocol, a WLAN standard, a Wi-Fi standard, an IEEE 802 standard, an IEEE 802.11 standard, or an IEEE 802.11bf standard.

3. The system of claim 1 , wherein:
the sensing measurement results comprise a time series of channel information (CI) of the wireless channel;
each CI of the time series of CI (TSCI) is obtained by the receiver based on a respective WSS; and
each CI comprises at least one of: a channel state information (CSI), a channel impulse response (CIR), or a channel frequency response (CFR).

4. The system of claim 1 , wherein:
when the local-nonlocal-reporting configuration field has the first bit pattern, the sensing measurement results are configured not to be reported to any device other than the receiver, according to the standard wireless network protocol.

5. The system of claim 1 , wherein:
the configuration frame is communicated based on the standard wireless network protocol during the setup procedure; and
the setup procedure is performed before the plurality of wireless sensing measurements.

6. The system of claim 1 , wherein:
the sensing measurement results are configured by the sensing initiator device of the system to be reported locally in the receiver, to be reported nonlocally to the sensing initiator device, to be reported both locally and nonlocally, or not to be reported, by configuring the receiver based on the standard wireless network protocol using the local-nonlocal-reporting configuration field of the configuration frame communicated during the setup procedure.

7. The system of claim 6 , wherein:
the receiver is configured, by the sensing initiator device of the system based on the standard wireless network protocol during the setup procedure, to report the sensing measurement results locally in the receiver, to report the sensing measurement results nonlocally to the sensing initiator device, both, or not to report.

8. The system of claim 7 , wherein:
the configuration frame is communicated during a negotiation process between the sensing initiator device and the receiver based on the standard wireless network protocol.

9. The system of claim 3 , wherein:
each of the transmitter and the receiver is configured individually by a sensing initiator device of the system to perform the plurality of wireless sensing measurements collaboratively;
the transmitter is configured by the sensing initiator device to function as a sensing transmitter device to send the TSWSS to the receiver;
at least one con

Assignees

• Au Oscar Chi Lim
• Wang Beibei
• Liu K J Ray
• Lai Hung Quoc Duc
• Origin Res Wireless Inc

Inventors

• Au Oscar Chi-Lim
• Wang Beibei
• Liu K J Ray
• Lai Hung-Quoc Duc

Classifications

• H04W84/12

  WLAN [Wireless Local Area Networks] · CPC title

• H04L5/0057

  Physical resource allocation for CQI · CPC title

• G01S7/006

  using shared front-end circuitry, e.g. antennas (G01S13/765, G01S13/825 take precedence) · CPC title

• G01S13/87

  Combinations of radar systems, e.g. primary radar and secondary radar · CPC title

• G01S13/765

  with exchange of information between interrogator and responder · CPC title