Base station, 5g mobile communication system, and base station control method

The base station and 5G mobile communication system address the challenge of cross-link interference by scheduling radio waves, measuring interference power, and sharing results to control interference, improving communication efficiency.

WO2025203933A1PCT designated stage Publication Date: 2025-10-02KDDI CORP
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Patent Information

Application Number
PCT/JP2024/045244
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-03-26
Filing Date
2024-12-20
Publication Date
2025-10-02

AI Technical Summary

Technical Problem

Existing 5G mobile communication systems face challenges in accurately measuring and controlling cross-link interference between user devices due to fluctuating positional relationships, lacking effective means to measure and feedback interference power between user equipment.

Method used

A base station and 5G mobile communication system that schedules specific radio wave transmissions, measures interference power, shares measurement results with a common upper node, and calculates interference signal power to control cross-link interference.

Benefits of technology

Enables effective management of cross-link interference in both uplink and downlink scenarios by accurately measuring and scheduling based on interference power, enhancing communication efficiency.

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  • Figure JP2024045244_02102025_PF_FP_ABST
    Figure JP2024045244_02102025_PF_FP_ABST
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Abstract

This base station of a 5G mobile communication system comprises a memory and a processor. The base station: performs, with respect to a first user device which is a user device included in the 5G mobile communication system, scheduling of transmission of a specific radio wave; performs, with respect to a second user device which is the user device and is different from the first user device, scheduling of measurement of power transmitted by the first user device; acquires a measurement result for the power measured by the second user device; shares the measurement result for the power measured by the second user device with a node controlled by a common host node; and acquires, from the node with which the measurement result for the power measured by the second user device has been shared, information on power of an interference signal arriving at the second user device.
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Citation Information

Patent Citations

  • Inter-distributed unit (inter-du) crosslink interference (CLI) measurement and reporting

    US20220086672A1

  • Inter-CU coordination for cross-link interference management

    US20220104061A1

Cited By

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