Channel access method

EP4759025A1Pending Publication Date: 2026-06-17ESSEN INNOVATION CO LTD
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
ESSEN INNOVATION CO LTD
Filing Date
2024-08-08
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Current communication systems face challenges in efficiently managing uplink video traffic for Extended Reality (XR) applications, particularly due to variable packet sizes, resource utilization inefficiencies, and the need for reliable retransmission mechanisms.

Method used

A channel access method is proposed that involves configuring multiple physical uplink shared channel (PUSCH) transmission occasions within a Configured Grant (CG) period, allowing for flexible resource allocation and efficient reporting of unused PUSCH occasions.

Benefits of technology

This approach enhances resource utilization efficiency, improves coverage range for uplink video traffic, and ensures reliable data transfer by supporting repetitive transmission and retransmission schemes, thereby addressing the specific challenges of XR traffic patterns.

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Abstract

This invention discloses a method for user equipment (UE) to report unused Physical Uplink Shared Channel (PUSCH) occasions within a configured grant (CG) period. The UE receives information about the CG, including the number of consecutive slots within the CG period and the size of a bitmap used for reporting. Based on the received CG configuration, the UE identifies unused PUSCH occasions within the CG period. The UE transmits Uplink Control Information (UCI) in a PUSCH occasion. This UCI includes a bitmap that indicates the identified unused PUSCH occasions.
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