# US 2025/0159533 A1 · Basic Sensing by Proxy and Doze Mode for IEEE 802.11bf Communications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0159533 A1 - Document ID: US20250159533A1 - Status: Published application - Kind: A1 - Application number: 18/945,310 - Filed: 2024-11-12 - Published: 2025-05-15 - Earliest claimed: 2023-11-13 - Assignees: Apple Inc. - Applicants: Apple Inc. - Inventors: Benedikt Schweizer; Debashis Dash - Web page: https://patentgrep.com/patent/US20250159533A1 ## CPC - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 84/12: WLAN [Wireless Local Area Networks] - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract Wireless stations and access points may perform a wireless local area network (WLAN) sensing operation using a basic sensing by proxy (SBP) procedure driven by an SBP responder, in which case the sensing features associated with the SBP procedure are dictated by the SBP responder, or driven by an SBP initiator, in which case the sensing features are dictated by the SBP initiator. For an SBP responder driven SBP procedure, the SBP session may be requested with a reduced number of parameters that include number of respondents and maximum bandwidth. For an SBP initiator driven SBP procedure, suitable sensing responders may be identified and instructed prior to receiving a sensing request. The WLAN sensing session may be paused to enter doze mode during which no sensing frame exchanges take place between participating nodes and the WLAN sensing session does not expire and is not terminated, and may resume upon exiting doze mode. ## Claims ### Claim 1 An apparatus comprising: a processor configured to: cause a wireless station to perform a wireless local area network (WLAN) sensing operation using a basic sensing by proxy (SBP) procedure driven by an SBP responder or an SBP initiator; wherein sensing features associated with the SBP procedure are dictated by the SBP responder for an SBP responder driven SBP procedure, and wherein the sensing features associated with the SBP procedure are dictated by the SBP initiator for an SBP initiator driven SBP procedure. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein for the SBP responder driven SBP procedure, the processor transmits an SBP request to the wireless station with parameters that include a number of respondents and a maximum sensing bandwidth. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein a maximum refresh rate indicated in an availability window element is limited. ### Claim 4 (depends on 2) The apparatus of claim 2, wherein the maximum sensing bandwidth is limited. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein for the SBP initiator driven SBP procedure, the processor is further configured to: determine one or more sensing responders prior to causing the wireless station to perform the WLAN sensing operation; and wherein the wireless station is one of the determined one or more sensing responders, and wherein causing the wireless station to perform the WLAN sensing operation comprises transmitting a SBP request to the wireless station. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the processor is further configured to: pause the WLAN sensing operation to enter a doze mode, wherein during the doze mode no sensing frame exchanges take place between participating nodes; and exit the doze mode to resume the WLAN sensing operation. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein, during the doze mode, the WLAN sensing session does not expire and is not terminated. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein an SBP Type of the SBP procedure is indicated by a bit field, wherein the bit field indicates whether the SBP procedure comprises: a standard SBP; the SBP responder driven SBP procedure; or the SBP initiator driven SBP procedure. ### Claim 9 A wireless access point (AP), comprising: a radio; a processor operably coupled to the radio and configured to: receive, from a wireless station, a request to perform a wireless local area network (WLAN) sensing operation using a basic sensing by proxy (SBP) procedure driven by an SBP responder or an SBP initiator, wherein sensing features associated with the SBP procedure are dictated by the SBP responder for an SBP responder driven SBP procedure, and wherein the sensing features associated with the SBP procedure are dictated by the SBP initiator for an SBP initiator driven SBP procedure; transmit, to the wireless station, an acknowledgment message in response to receiving the request; and perform the WLAN sensing operation to determine SBP results; and transmit the SBP results to the wireless station. ### Claim 10 (depends on 9) The wireless AP of claim 9, wherein for the SBP responder driven SBP procedure, an SBP session is requested with parameters that include a number of respondents and a maximum bandwidth. ### Claim 11 (depends on 10) The wireless AP of claim 10, wherein a maximum refresh rate indicated in an availability window element is limited. ### Claim 12 (depends on 10) The wireless AP of claim 10, wherein a maximum sensing bandwidth is limited. ### Claim 13 (depends on 9) The wireless AP of claim 9, wherein for the SBP initiator driven SBP procedure, suitable sensing responders are identified and instructed prior to the sensing responders receiving a sensing request. ### Claim 14 (depends on 9) The wireless AP of claim 9, wherein the processor is further configured to: pause the WLAN sensing operation to enter a doze mode, wherein during the doze mode no sensing frame exchanges take place between participating nodes; and exit the doze mode to resume the WLAN sensing operation. ### Claim 15 (depends on 14) The wireless AP of claim 14, wherein, during the doze mode, the WLAN sensing session does not expire and is not terminated. ### Claim 16 (depends on 14) The wireless AP of claim 14, during the doze mode: receive, from the wireless station, a second request to perform a second WLAN sensing operation using the basic SBP procedure, wherein the first WLAN sensing operation utilizes a first periodicity different than a second periodicity of the second WLAN sensing operation; and perform the second WLAN sensing operation according to the second periodicity to product second SBP results. ### Claim 17 (depends on 9) The wireless AP of claim 9, wherein an SBP Type of the SBP procedure is indicated by a bit field, wherein the bit field indicates whether the SBP procedure comprises: a standard SBP; the SBP responder driven SBP procedure; or the SBP initiator driven SBP procedure. ### Claim 18 A method, comprising: by a wireless station: transmitting a sensing by proxy (SBP) request message to a wireless access point (AP) to request that the wireless AP performs a wireless local area network (WLAN) sensing operation using a basic SBP procedure driven by an SBP responder or an SBP initiator, wherein sensing features associated with the SBP procedure are dictated by the SBP responder for an SBP responder driven SBP procedure, and wherein the sensing features associated with the SBP procedure are dictated by the SBP initiator for an SBP initiator driven SBP procedure; receiving an acknowledgment message from the wireless AP indicating whether the wireless AP will perform the basic SBP procedure; and receiving SBP results from the wireless AP indicating sensing measurement results of the WLAN sensing operation. ### Claim 19 (depends on 18) The method of claim 18, further comprising: transmitting a pause request to the wireless AP to pause the WLAN sensing operation; after transmitting the paus request, transmitting a second SBP request message to the wireless AP to request that the wireless AP resumes a second WLAN sensing operation; receiving second SBP results from the wireless AP indicating second sensing measurement results of the second WLAN sensing operation; and after receiving the second sensing measurement results, transmit instructions to the wireless AP to resume the WLAN sensing operation. ### Claim 20 (depends on 19) The method of claim 19, wherein the WLAN sensing operation utilizes a different periodicity than the second WLAN sensing operation.