Uplink control information multiplexing for dynamic spectrum sharing

By multiplexing and transmitting UCI on PUSCH, the problem of UCI multiplexing in DSS is solved, reducing the complexity and size of DCI and improving spectrum efficiency.

CN115039476BActive Publication Date: 2025-03-18QUALCOMM INC
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Patent Information

Application Number
CN202080095295.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-02-07
Publication Date
2025-03-18
Estimated Expiration
2040-02-07

AI Technical Summary

Technical Problem

In the prior art, in dynamic spectrum sharing (DSS), it is difficult to effectively multiplex uplink control information (UCI), resulting in increased complexity, size and blind decoding difficulty of DCI.

Method used

By receiving an indication associated with multiplexing the UCI on the physical uplink shared channel (PUSCH), the multiple component carriers (CCs) to which the indication is applied, and selectively transmit the UCI via the PUSCH on the CC of the multiple CCs according to the indication.

Benefits of technology

The size and complexity of the DCI used to schedule CC groups is reduced, the computing resources of base stations and user equipment are saved, and the spectrum efficiency is improved.

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Abstract

Various aspects of this disclosure generally relate to wireless communications. In some aspects, a user equipment (UE) may receive an indication associated with multiplexing uplink control information (UCI) on a physical uplink shared channel (PUSCH), wherein the indication is associated with a plurality of component carriers (CCs) on which a corresponding PUSCH transmission is to be performed; identify one or more of the plurality of CCs to which the indication is applied; and selectively transmit the UCI via the PUSCH on one or more of the CCs according to the indication. Numerous other aspects are provided.
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