Methods, architectures, apparatuses and systems for anchor device selection for bistatic sensing

EP4758451A1Pending Publication Date: 2026-06-17INTERDIGITAL PATENT HOLDINGS INC
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
INTERDIGITAL PATENT HOLDINGS INC
Filing Date
2024-08-07
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Existing 5G NR sensing technologies face challenges in accurately detecting and monitoring obstacles using NR RF signals, particularly in environments with multiple obstacles and varying propagation conditions.

Method used

The proposed method involves a wireless transmit/receive unit (WTRU) that selects a set of transmission/reception points (TRPs) based on round trip time (RTT) thresholds and assists information, enabling bistatic sensing to accurately locate obstacles. The WTRU receives SRSp configurations, time thresholds, and TRP locations from the network, and selects TRPs with RTTs within specific thresholds for bistatic sensing.

Benefits of technology

This approach enhances the accuracy and reliability of obstacle detection and monitoring by optimizing TRP selection based on RTT thresholds, thereby improving sensing coverage and reducing ambiguity in bistatic sensing scenarios.

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Abstract

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products for bistatic sensing. In certain representative embodiments, a wireless transmit / receive unit (WTRU) may receive information indicating reference signal (RS) configurations; first and second time thresholds; and transmission / reception point (TRP) locations. The WTRU may select a first set of TRPs. The WTRU may send an uplink bistatic sensing request including information indicating the first set, the obstacle location, and / or the WTRU location. The WTRU may receive an uplink bistatic sensing acknowledgment including information indicating a second set of TRPs. The WTRU may select one or more of the RS configurations based on the first and second time thresholds, and TRP locations of the second set. The WTRU may transmit one or more RSs using the one or more RSs configurations. The second set of TRPs may receive the transmitted RSs and perform bistatic sensing of the obstacle.
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