Terminal and power supply method

JPWO2025009179A1Pending Publication Date: 2025-01-09
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Patent Information

Application Number
JP2025530956
Authority / Receiving Office
JP · JP
Patent Type
Applications
Filing Date
2023-07-06
Publication Date
2025-01-09

AI Technical Summary

Technical Problem

The challenge in wireless communication systems, particularly for 5G and IoT devices, is the lack of clear methods for performing wireless power transfer during sidelink communication, which is essential for enabling efficient and widespread use of IoT terminals and other devices that require continuous power without battery replacement or charging.

Method used

The solution involves a terminal that can autonomously select resources for wireless power supply and communication, using a communication unit to transmit discovery signals, request power supply, and receive power from another terminal, while also reporting power supply status, thereby enabling wireless power transfer even during sidelink communication.

Benefits of technology

This approach allows for efficient wireless power supply in wireless communication systems, enabling continuous operation of IoT devices and other terminals without the need for battery replacement or charging, while avoiding conflicts with communication operations.

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Abstract

A terminal according to the present invention has a communication unit that receives a discovery signal from a first terminal or transmits the discovery signal to the first terminal. The communication unit transmits, to the first terminal, a signal requesting power supply. The communication unit has a power reception unit that receives, from the first terminal, information indicating a first resource to be used for supplying power and that receives power supply from the first terminal in the first resource. The communication unit receives, from the first terminal, an instruction to report a situation related to the power supply state and information indicating a second resource to be used for the report. The communication unit transmits the report to the first terminal in the resource based on the second resource.
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