Feedback information transmission method and communication device

Abstract

The invention provides a feedback information transmission method and a communication device, can solve the problems of feedback information redundancy and resource waste due to the fact that feedbackinformation needs to be reserved for a plurality of candidate resources respectively even if the plurality of candidate resources conflict with one another and cannot be called at the same time whenthe re-transmission frequency is greater than 1, can improve the communication efficiency, and can improve the user experience. The method can be applied to LTE, NR, V2X and other communication systems. The method comprises: a terminal device receives indication information and configuration information of repetition factors corresponding to at least two candidate resources from a network device;wherein the repetition factor with the value greater than 1 exists in the repetition factors corresponding to the at least two candidate resources. Then, the terminal equipment determines feedback information corresponding to the at least two candidate resources according to the repetition factor and the configuration information;.

Description

technical field [0001] The present application relates to the communication field, and in particular to a feedback information transmission method and a communication device. Background technique [0002] At present, in the semi-persistent hybrid automatic repeat request (HARQ) mechanism, one feedback is usually set for multiple retransmissions of the same data block, such as a transmission block (TB). Bits to indicate whether the data block is successfully transmitted, wherein multiple retransmissions may be scheduled by a downlink control information (DCI) signaling. Exemplarily, the network device may configure multiple candidate resources for the terminal device, such as a physical downlink shared channel (physical downlink shared channel, PDSCH) corresponding to multiple r in the R set used to indicate the time domain position of the PDSCH, and multiple Each candidate resource in the candidate resources will occupy a different time unit, such as a time slot (slot). Thr...

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Problems solved by technology

[0004] The embodiment of the present application provides a feedback information transmission method and a communication device, which can solve the problem that when the number of retransmissions is greater than 1, even if multiple candidate resources conflict with each other and cannot be called at the same time, it is necessary to reserve feedback information for all candidate resources respectively. This leads to the problems of redundant feedback information and waste of resources, which can improve communication efficiency

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