Terminals, wireless communication methods, base stations and systems

The described method addresses the issue of unclear power control in multi-panel simultaneous uplink transmission by using PHR MAC CE and TCI states to manage transmission power for each panel, improving communication throughput and reliability.

JP7880954B2Active Publication Date: 2026-06-26NTT DOCOMO INC
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Patent Information

Application Number
JP2024513670
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-04-08
Publication Date
2026-06-26
Estimated Expiration
2042-04-08

AI Technical Summary

Technical Problem

In future wireless communication systems, the control of transmission power for each panel during multi-panel simultaneous uplink transmission is unclear, leading to potential improper transmission control and reduced communication throughput.

Method used

A terminal and wireless communication method that controls transmission power for each panel using Power Headroom Report Medium Access Control Elements (PHR MAC CE) and Transmission Configuration Indication states, ensuring compliance with maximum output power and power management requirements.

Benefits of technology

This approach allows for appropriate power control for each panel, enhancing communication throughput and reliability in multi-panel simultaneous uplink transmissions.

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Abstract

A terminal according to one aspect of the present disclosure is characterized by comprising: a transmission unit that, when uplink (UL) simultaneous transmission from a multi-panel is supported, transmits information indicating the maximum output power of each panel using a Power Headroom Report Medium Access Control Control Element (PHR MAC CE); and a control unit that controls the UL simultaneous transmission using the maximum output power. According to the one aspect of the present disclosure, it is possible to appropriately perform transmission power control of each panel.
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