A method for robust link performance management for XR

JP7863397B2Active Publication Date: 2026-05-21INTERDIGITAL PATENT HOLDINGS INC
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
INTERDIGITAL PATENT HOLDINGS INC
Filing Date
2023-04-25
Publication Date
2026-05-21

AI Technical Summary

Technical Problem

Existing XR devices experience discomfort and motion sickness due to inaccurate and delayed spatial tracking, leading to potential link failures and beam failures in wireless communication systems.

Method used

Implementing a method for robust link performance management through an anchored WTRU that predicts and prevents link failures by coordinating beam failure detection and recovery across a group of XR devices, utilizing traffic information and quality of service requirements to optimize beam tracking and scheduling.

Benefits of technology

Enhances user experience by reducing discomfort and motion sickness in XR environments by maintaining stable wireless connections and ensuring timely beam switching, thereby preventing link failures and improving overall system reliability.

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Abstract

The WTRU may receive configuration information regarding handling beam failure from a base station. The WTRU may receive one or more PDUs of a PDU set. The WTRU may receive a reference signal via the same beam and may perform a first RSRP measurement. If the measured RSRP on the beam is below an RSRP threshold, the WTRU may increment a counter and may determine a remaining delay D r of the PDU set based on the received PDU. If the remaining delay D r is less than a certain value, the WTRU may select a second maximum count threshold based on the remaining delay D r and associated information. The WTRU may perform a second RSRP measurement and may increment the counter if the RSRP is below the threshold. When the counter reaches the second maximum count threshold, the WTRU may send a beam failure indicator to the gNB.
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