TERMINAL, RADIO COMMUNICATION METHOD AND RADIO BASE STATION

By employing a user terminal with transmission, reception, and control sections to manage frequency hopping based on DCI signaling, the challenge of controlling intra-slot frequency hopping for diverse access bandwidths is addressed, enhancing communication efficiency in future radio systems.

BR112020009575B1Active Publication Date: 2026-07-14NTT DOCOMO INC
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Patent Information

Authority / Receiving Office
BR · BR
Patent Type
Patents
Current Assignee / Owner
NTT DOCOMO INC
Filing Date
2017-11-16
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

In future radio communication systems, there is a need to adequately control intra-slot frequency hopping patterns for uplink channels/signals, such as PUCCH, PUSCH, and SRS, due to varying access bandwidth configurations among user terminals.

Method used

A user terminal is equipped with a transmission section, reception section, and control section to manage frequency resource mapping and hopping based on information received from a base radio station, using DCI signaling to control intra-slot frequency hopping patterns for PUCCH and PUSCH.

Benefits of technology

This approach allows for flexible and precise control of intra-slot frequency hopping, ensuring efficient use of frequency resources and improving communication performance in systems with diverse access bandwidth configurations.

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Abstract

The present invention is designed to appropriately control intra-slot frequency hopping of an uplink channel / signal. A user terminal of the present invention includes a transmit section that transmits an uplink data channel in one slot or through a plurality of slots, a receive section that receives information related to the frequency resource to which the uplink data channel should be mapped, and a control section that controls frequency hopping of the uplink data channel in each slot, based on the frequency resource-related information.
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