Information generation method and device and storage medium

By generating feedback codebooks based on the C-DAI value and T-DAI value of the DAI indicator field in DCI in the new generation wireless communication system version 17, the problem of DAI indicator field design and feedback codebook generation when DCI schedules multiple PDSCHs is solved, and efficient feedback codebook management is realized.

CN119697785APending Publication Date: 2025-03-25ZTE CORP
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Patent Information

Application Number
CN202411891724.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2020-02-11
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

In the new generation of wireless communication system version 17, when DCI schedules multiple PDSCHs, there are difficulties in designing the DAI indicator domain and generating the feedback codebook.

Method used

By receiving the downlink control information DCI sent by the second communication node, a feedback codebook is independently generated based on the C-DAI value and T-DAI value contained in the DAI indication field in the DCI to ensure that the first type DCI and the second type DCI are counted independently.

Benefits of technology

In the NR system R17, when DCI schedules multiple PDSCHs, the effective design of the DAI indicator domain and the correct generation of the feedback codebook are realized, ensuring that each bit in the feedback codebook corresponds to the actual scheduled downlink data, saving feedback overhead.

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Abstract

The invention provides an information generation method and device and a storage medium. The method comprises the following steps: receiving DCI sent by a second communication node; wherein the DCI comprises a first type of DCI and a second type of DCI; the first type of DCI is used for scheduling at least two PDSCHs, and the second type of DCI is used for scheduling one PDSCH; generating a corresponding feedback codebook according to a C-DAI value and a T-DAI value contained in a DAI indication field in the DCI; wherein the first type of DCI and the second type of DCI are respectively and independently counted.
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