System and methods for power headroom reporting for simultaneous multi-panel uplink transmission

EP4762845A1Pending Publication Date: 2026-06-24PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
Filing Date
2024-08-07
Publication Date
2026-06-24

AI Technical Summary

Technical Problem

Current power headroom reporting systems in communication systems, particularly for simultaneous multi-panel uplink transmission, face challenges in efficiently managing power reduction requirements across multiple spatial directions, leading to suboptimal resource allocation and potential compliance issues with power and regulatory constraints.

Method used

The proposed solution involves a communication apparatus that generates a power headroom report including, for each group of spatial directions, a power reduction requirement indication. This report allows for joint calculation of power headroom levels across multiple spatial directions, enabling more accurate power management and compliance with regulatory constraints.

Benefits of technology

This approach enhances the accuracy and efficiency of power management in communication systems, allowing for optimal resource allocation and ensuring compliance with power and regulatory constraints, thereby improving overall system performance.

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Abstract

Provided are a communication device, a base station, and methods for a communication device and a base station. The communication device comprises a transceiver and a circuitry. The circuitry, when in operation, generates a power headroom report including, for each of one or more groups of a plurality of spatial directions, a power reduction requirement indication. The transceiver, when in operation, transmits the power headroom report. The circuitry may also determine whether to indicate a power reduction requirement for each of a plurality of spatial directions or for each of one or more groups of the plurality of spatial directions, and, based on the result of the determination, generate the power headroom report.
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