JP-7855024-B2 - Methods, apparatus, and systems for wireless sensing measurement and reporting.

Inventors

• オウ， オスカー チ－リム
• ワン， ベイベイ
• リュウ， ケー． ジェイ． レイ
• ライ， ハン‐コック ダク

Assignees

• オリジン リサーチ ワイヤレス， インコーポレイテッド

Dates

Publication Date

20260507

Application Date

20240412

Priority Date

20220530

Claims (19)

1. A proxy -based sensing (SBP) method, Based on a wireless protocol , an SBP initiator device wirelessly transmits an SBP request frame to an SBP responder device in a wireless data communication network, requesting the SBP responder device to perform a wireless sensing procedure on behalf of the SBP initiator device, The SBP responder device, upon request from the SBP initiator device, acts as a sensing initiator device to initiate the wireless sensing procedure based on the wireless protocol , thereby executing the wireless sensing procedure . The wireless data communication network comprises a physical (PHY) layer, a media access control (MAC) layer, and at least one upper layer. In response to the SBP request frame from the SBP initiator device , the SBP responder device initiates a wireless sensing procedure with at least one sensing responder device. In the aforementioned wireless sensing procedure , Based on the aforementioned wireless protocol , the sensing responder device, which functions as a transmitter, transmits a time series of at least one wireless sounding signal (WSS), Based on the aforementioned wireless protocol , the sensing responder device, which functions as a receiver, receives the time series (TSWSS) of at least one WSS, and each of the transmitter and the receiver is one of the at least one sensing responder device . In order to obtain sensing measurement results based on the aforementioned wireless protocol , the receiver performs a plurality of wireless sensing measurements based on the received TSWSS. Based on the aforementioned wireless protocol , and in accordance with the SBP request frame , the PHY layer or MAC layer of the receiver locally provides the sensing measurement results to at least one higher layer of the receiver. The sensing measurement results are available to the at least one upper layer of the receiver for performing a sensing-based task based on the sensing measurement results. SBP method.
2. The aforementioned wireless protocol is at least one of the following: Wireless LAN (WLAN ) protocol , mobile communication protocol , WLAN standard, Wi-Fi standard, IEEE 802 standard, IEEE 802.11 standard , or IEEE 802.11bf standard . The aforementioned sensing measurement results include a time series of channel information (CI) of the wireless channel. Each CI in the aforementioned CI time series (TSCI) is acquired by the receiver based on its respective WSS. The SBP method according to claim 1, wherein each CI includes at least one of channel state information (CSI), channel impulse response (CIR), or channel frequency response (CFR).
3. The SBP method according to claim 1, wherein, in response to the SBP request frame , the SBP responder device constructs at least one setup frame based on the SBP request frame , further comprising each sensing measurement setup request frame in the wireless sensing procedure including its respective setup frame.
4. The SBP method according to claim 3, wherein if a setting field included in the setting frame indicates that the sensing measurement result should be reported locally, the sensing measurement result is reported locally at the receiver and not reported to any other device, and if the setting field indicates that the sensing measurement result should be reported both locally and non-locally, the sensing measurement result is reported locally at the receiver and non-locally to the SBP initiator device via the SBP responder device .
5. If the setting field indicates that the sensing measurement results should not be reported to non-local devices , the sensing measurement results are configured not to be reported to any device other than the receiver. The SBP method according to claim 4, wherein the setup frame is part of the corresponding sensing measurement setup request frame and is communicated before the corresponding number of wireless sensing measurements.
6. The sensing measurement results obtained by the receiver are to be reported locally by the receiver , reported non-locally to the SBP initiator device via the SBP responder device, reported both locally and non-locally, or not reported, based on configuring the receiver using the setting field of the setting frame of the sensing measurement setup request frame communicated during the setup procedure in the wireless sensing procedure according to the wireless protocol . The SBP method according to claim 1, wherein the receiver is indirectly configured by the SBP initiator device via the SBP responder device during the setup procedure, based on the wireless protocol , to report the sensing measurement results locally at the receiver, report the sensing measurement results non-locally to the SBP initiator device via the SBP responder device, or both, or not report them at all.
7. The SBP method according to claim 1, wherein a sensing measurement setup request frame is communicated during a negotiation process between the sensing initiator device and the sensing responder device, respectively, based on the wireless protocol .
8. Each of the transmitter and receiver is individually configured by the SBP responder device based on the wireless protocol , based on the sensing measurement setup request frame , to coordinately perform the plurality of wireless sensing measurements. The transmitter is configured to function as a sensing transmitter device for transmitting the TSWSS to the receiver. At least one setting associated with the TSWSS is related to the sensing-based task, The receiver is configured to function as a sensing receiver device for receiving the TSWSS from the transmitter and acquiring the sensing measurement results based on the received TSWSS. The receiver is configured to report the sensing measurement results locally to at least one upper layer of the receiver, or to report them non-locally to the SBP initiator device via the SBP responder device, or both. The SBP method according to claim 7, wherein at least one of the transmitter or the receiver is a sensing responder device.
9. To report the sensing measurement results locally, the receiver performs a first processing of the sensing measurement results, wherein the first processing includes a first accuracy reduction, or The SBP method according to claim 8, further comprising at least one of the following: performing a second processing of the sensing measurement result by the receiver in order to report the sensing measurement result non-locally, wherein the second processing includes a second accuracy reduction.
10. When reporting the sensing measurement results non-locally, the sensing measurement results are transmitted wirelessly by the receiver to the SBP responder device based on the wireless protocol , and then transmitted by the SBP responder device to the SBP initiator device. The non-locally reported sensing measurement results are available non-locally on the SBP initiator device for a second sensing-based task. The SBP method according to claim 9, wherein the non-locally reported sensing measurement results are available for centralized computing of the second sensing-based task in the SBP initiator device.
11. When the sensing measurement results are reported locally, the sensing measurement results are made available locally at at least one higher layer of the receiver for the sensing-based task at the receiver. The SBP method according to claim 10, wherein the locally reported sensing measurement results are available for distributed computing of the sensing-based task at the receiver.
12. The first sensing measurement result is reported by the receiver both locally and non-locally. The SBP method according to claim 1, wherein the second sensing measurement result is not reported by the receiver, either locally or non-locally.
13. The SBP responder device is an access point (AP) device of the wireless data communication network, The SBP initiator device is a non-AP device of the wireless data communication network, The transmitter is a non-AP device of the wireless data communication network and functions as the sensing responder device. The receiver is the AP, The sensing measurement results include a time series of channel information (CI), each CI includes at least one of channel state information (CSI), channel impulse response (CIR), or channel frequency response (CFR). The receiver reports the sensing measurement results locally. The SBP method according to claim 1, wherein the locally reported sensing measurement results are available to the AP for the sensing-based task.
14. The SBP method according to claim 1, wherein the wireless sensing measurement is trigger-based (TB) using null data packet (NDP) frames and trigger frames (TF) based on the wireless protocol .
15. At least one additional transmitter, individually configured by the SBP responder device based on the wireless protocol to function as a sensing transmitter device, is present within the venue. Each additional transmitter is configured to transmit each TSWSS to the receiver based on the radio protocol , The aforementioned receiver is Based on the aforementioned wireless protocol , the respective TSWSS is received from each additional transmitter via the wireless channel. Based on each of the received TSWSSs, the respective sensing measurement results are obtained. The SBP method according to claim 1, wherein each of the sensing measurement results is reported locally to the at least one higher layer in the receiver, and the locally reported plurality of sensing measurement results are configured to be available for performing the centralized sensing-based task.
16. The SBP responder device is an access point (AP) device of the wireless data communication network, The SBP initiator device is a non-AP device of the wireless data communication network, The transmitter is the AP, The receiver is a non-AP device of the wireless data communication network, The sensing measurement results include a time series of channel information (CI), each CI includes at least one of channel state information (CSI), channel impulse response (CIR), or channel frequency response (CFR). The receiver locally reports the sensing measurement results to at least one higher layer of the receiver. The SBP method according to claim 1, wherein the locally reported sensing measurement results are available on the non-AP device for the sensing-based task.
17. The TSWSS is broadcast from the transmitter to the receiver. The SBP method according to claim 1, wherein the wireless sensing measurement is trigger-based (TB) using null data packet (NDP) frames and NDP announcement (NDPA) frames based on the wireless protocol .
18. At least one additional receiver is present within the venue, each individually configured by the SBP initiator device based on the wireless protocol to function as a sensing receiver device. The transmitter is configured to transmit each TSWSS to each additional receiver based on the wireless protocol . Each of the additional receivers is Based on the aforementioned wireless protocol , each of the TSWSS messages is received via each of the wireless channels. Based on each of the received TSWSSs, each of the sensing measurement results is acquired. The SBP method according to claim 1, configured such that each of the sensing measurement results is reported locally in at least one upper layer of each of the additional receivers, and each of the locally reported sensing measurement results is locally available for performing the decentralized sensing-based task in each of the additional receivers based on each of the locally reported sensing measurement results.
19. The SBP responder device is an access point (AP) device of the wireless data communication network, The SBP initiator device is a non-AP device of the wireless data communication network, The aforementioned transmitter is a second non-AP device, The receiver is a third non-AP device, The receiver does not transmit the sensing measurement results to the AP device. The SBP method according to claim 1.

Description

Cross-referencing with related applications: This application incorporates, by reference, the entire disclosures of the following cases and claims priority therefrom. (a) U.S. Provisional Patent Application No. 63/253,083, title "Method, Apparatus, and System for Wireless Sensing, Detection, and Tracking", filed October 6, 2021. (b) U.S. Provisional Patent Application No. 63/276,652, title "Method, apparatus, and system for wirelessly monitoring vertical signs and peripheral operations," filed November 7, 2021. (c) U.S. Provisional Patent Application No. 63/281,043, title "Sensing Method, Apparatus, and System", filed November 18, 2021. (d) U.S. Provisional Patent Application No. 63/293,065, title "Method, Apparatus, and System for Speed Improvement and Separation", filed December 22, 2021. (e) U.S. Provisional Patent Application No. 63/300,042, title "Method, Apparatus, and System for Wireless Sensing and Sleep Tracking," filed January 16, 2022. (f) U.S. Provisional Patent Application No. 63/308,927, title "Method, Apparatus, and System for Wireless Sensing Based on Multiple Groups of Wireless Devices," filed February 10, 2022. (g) U.S. Provisional Patent Application No. 63/332,658, title "Method, Apparatus, and System for Wireless Sensing", filed April 19, 2022. (h) U.S. Patent Application No. 17/827,902, title "Method, Apparatus, and System for Speed Enhancement and Separation Based on Voice and Radio Signals," filed May 30, 2022. (i) U.S. Provisional Patent Application No. 63/349,082, title "Method, Apparatus, and System for Wireless Sensing Voice Activity Detection", filed June 4, 2022, (j) U.S. Patent Application No. 17/838,228, title "Method, Apparatus, and System for Channel Information-Based Wireless Sensing," filed June 12, 2022. (k) U.S. Patent Application No. 17/838,231, title "Method, Apparatus, and System for Identifying and Quantifying Devices for Wireless Sensing," filed June 12, 2022. (l) U.S. Patent Application No. 17/838,244, title "Method, Apparatus, and System for Wireless Sensing Based on Linkwise Motion Statistics," filed June 12, 2022. (m) U.S. Provisional Patent Application No. 63/354,184, title "Method, apparatus, and system for motion localization and outlier removal," filed June 21, 2022. (n) U.S. Provisional Patent Application No. 63/388,625, title "Wireless Sensing and Indoor Positioning Method, Apparatus, and System," filed July 12, 2022. (o) U.S. Patent Application No. 17/888,429, title "Method, Apparatus, and System for Wireless-Based Sleep Tracking," filed August 15, 2022. (p) U.S. Patent Application No. 17/891,037, title "Method, Apparatus, and System for Map Reconstruction Based on Wireless Tracking," filed August 18, 2022. (q) U.S. Patent Application No. 17/945,995, title "Method, Apparatus and System for Wireless Biological Monitoring Using High-Frequency Signals", filed September 15, 2022. This instruction relates to wireless sensing in general. More specifically, it relates to methods, systems, and apparatus for performing wireless sensing measurements and reporting. With the proliferation of Internet of Things (IoT) applications, billions of consumer electronics, phones, smart devices, security systems, environmental sensors, vehicles and buildings, and other wirelessly connected devices will transmit data and communicate with each other or with people, enabling everything to be constantly measured and tracked. Among the various approaches to measuring what is happening in the surrounding environment, wireless sensing has been attracting increasing attention in recent years for the ubiquitous deployment of wireless devices. Furthermore, since human activity affects the propagation of wireless signals, understanding and analyzing how wireless signals respond to human activity can reveal a wealth of information about that activity. As more bandwidth becomes available in next-generation wireless systems, wireless sensing will enable many smart IoT applications that are currently only imaginable in the near future. This is because wider bandwidth allows us to see more multipaths even in scattered environments such as indoors or in metropolitan areas, and treat them as hundreds of virtual antennas/sensors. While several technical standards, such as IEEE 802.11bf, support wireless sensing, many details of wireless sensing, such as how to perform wireless sensing measurement and reporting, are still not standardized. Therefore, efficient and effective methods for measuring and reporting wireless sensing data are desired. This instruction relates to wireless sensing in general. More specifically, it relates to methods, systems, and apparatus for performing wireless sensing measurements and reporting. One embodiment describes a system within a wireless data communication network for wireless sensing. This system comprises a transmitter configured to transmit a time-series wireless sounding signal (WSS) based on a wireless protocol associated with the wireless data communicati