Terminal and measurement method

By setting multiple hypothetical spatial and power-related CSI reports in the terminal device, the problem of high network-side power consumption in CSI reporting is solved, and efficient CSI reporting and network power saving are achieved.

CN120604544APending Publication Date: 2025-09-05NTT DOCOMO INC
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Patent Information

Application Number
CN202380091137.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-02-17
Publication Date
2025-09-05

AI Technical Summary

Technical Problem

The existing technology lacks an efficient method to implement CSI reporting to reduce power consumption on the network side, especially the lack of adaptability in the spatial areas involved in CSI reporting and beam management.

Method used

Provided is a terminal device with the functions of receiving, controlling and sending CSI reports, and efficiently performing CSI reporting by setting multiple hypothetical spatial and power-related CSI reports, including triggering, feedback type, resource and codebook settings.

Benefits of technology

The invention realizes efficient CSI reporting in wireless communication systems, reduces power consumption on the network side, simplifies the complexity of base stations and terminals, and reduces payload and overhead.

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Abstract

A terminal is provided with: a reception unit that receives, from a base station, channel state information (CSI) report settings to which a plurality of assumptions relating to different spaces are applied; a control unit that performs measurement on the basis of the CSI report setting; and a transmission unit that transmits a CSI report to the base station on the basis of the result of the measurement, and the control unit sets a codebook for a plurality of CSI reports on the basis of the CSI report setting.
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