User Equipment, Base Station, and Method

The method for UL cancellation and power control in 5G systems addresses inefficiencies in UE transmission prioritization and multiplexing by using compact DCI and efficient power settings, enhancing spectrum utilization and capacity for URLLC and eMBB communications.

JP7765050B2Active Publication Date: 2025-11-06NEC CORP
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Patent Information

Application Number
JP2023102894
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-10-04
Filing Date
2023-06-23
Publication Date
2025-11-06
Estimated Expiration
2040-10-02

AI Technical Summary

Technical Problem

Existing wireless communication systems face challenges in efficiently managing uplink (UL) user equipment (UE) transmission prioritization and multiplexing, particularly in 5G systems, where efficient mechanisms for UL cancellation and power control are needed to minimize UE monitoring and signaling overhead for enhanced URLLC and eMBB communications.

Method used

The proposed solution involves a method for UE to receive instructions for UL cancellation or power control based on resource configurations and transmit power adjustments, using compact DCI and efficient power control settings to minimize signaling overhead and ensure reliable inter-UE multiplexing.

Benefits of technology

This approach enhances spectrum resource utilization and capacity by reducing the need for UE monitoring and signaling, ensuring efficient UL cancellation and power control for URLLC and eMBB transmissions, thereby improving communication reliability and latency.

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Abstract

To provide a radio communication system and device which control transmission power of uplink data with downlink control information (DCI) received from a base station.SOLUTION: A method for supporting inter-user equipment multiplexing and prioritization includes: receiving, by a UE communicating data in an uplink direction, an indication for indicating that the communication in an uplink direction should be cancelled or paused, the indication including a parameter having a value representing a combination of at least two different resource configurations for uplink communication by at least one further UE; and cancelling or pausing communication in an uplink direction based on the plurality of different resource configurations for uplink communication by at least one further UE represented by the parameter provided in the indication indicating that the communication in an uplink direction should be cancelled or paused.SELECTED DRAWING: Figure 5
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