Enabling dynamic spatial and time domain adaptation of transmission / reception points

EP4758801A1Pending 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 wireless communication systems face challenges in dynamically adapting transmission/reception points (TRPs) in both spatial and time domains, leading to inefficiencies in energy usage and connectivity reliability.

Method used

A wireless transmit/receive unit (WTRU) determines applicable TCI states using groups of TCI states, receiving RRC configurations and signaling to activate or deactivate TCI states based on TCI state identities and groups, enabling dynamic adaptation of TRPs.

Benefits of technology

This approach allows for efficient energy management by activating only necessary TRP functions and improves connectivity reliability by optimizing TCI state configurations in real-time.

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Abstract

A wireless transmit / receive unit (WTRU) may determine a set of applicable TCI states using groups of TCI states. The WTRU may receive an RRC configuration for a set of TCI states, each identified by a TCI state identity. The WTRU may receive signaling associating each of one or more TCI state group to a TCI state identity. The WTRU may receive signaling indicating TCI state group applicable to first TCI state and / or the second TCI state, and / or TCI state group applicable to first and second CoresetPoolIndex values. The WTRU may activate the TCI states for any TCI state identity included in the first signaling associated with a TCI state group indicated by the second signaling. The WTRU may update first and / or second TCI state to the TCI state(s) corresponding to the applicable TCI state group for the value of a TCI indicator according to the first signaling.
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