Terminals, wireless communication methods, base stations and systems

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The terminal optimizes beam fault detection and recovery by configuring PUCCH resources based on spatial relationships with the same TRP, addressing challenges in multi-TRP systems and enhancing communication performance.

JP7864695B2Active Publication Date: 2026-05-25NTT DOCOMO INC

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Patent Information

Authority / Receiving Office: JP · JP
Patent Type: Patents
Current Assignee / Owner: NTT DOCOMO INC
Filing Date: 2022-03-29
Publication Date: 2026-05-25

Application Information

Patent Timeline

29 Mar 2022

Application

25 May 2026

Publication

JP7864695B2

IPC: H04W72/21; H04W16/28

CPC: H04W72/23; H04W76/15; H04W76/19; H04L5/0053; H04L5/0023; H04B7/06964

AI Tagging

Application Domain

Signal allocation Connection management

Technology Topics

Electrical and Electronics engineering Base station

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AI Technical Summary

Technical Problem

In future wireless communication systems, controlling beam fault detection and recovery across multiple transmission and reception points (TRPs) is challenging, leading to reduced communication throughput and degraded quality.

Method used

A terminal with a receiving unit that determines PUCCH resources for beam fault recovery requests based on spatial relationships with the same transmit/receive point, configuring multiple resources for repeated transmissions.

Benefits of technology

Enables appropriate beam fault detection and recovery even when using multiple TRPs, improving communication quality and throughput.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention appropriately performs beam failure detection or beam failure recovery even when a plurality of transmission / reception points are utilized. A terminal according to an aspect of the present disclosure comprises: a reception unit for receiving information regarding a number of uplink control channel resources for a scheduling request (SR) utilized for a beam failure recovery request; and a control unit which, on the basis of the information and spatial relationships corresponding to the uplink control channel resources for the SR, determines an uplink control channel resource for the SR utilized for the beam failure recovery request.

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