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1. (WO2018103011) DATA TRANSMISSION METHOD AND COMMUNICATION DEVICE

Pub. No.:    WO/2018/103011    International Application No.:    PCT/CN2016/108856
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Thu Dec 08 00:59:59 CET 2016
IPC: H04L 1/18
Applicants: HUAWEI TECHNOLOGIES CO.,LTD.
华为技术有限公司
Inventors: JIANG, Yue
姜玥
ZHU, Youtuan
朱有团
HU, Hongjie
胡宏杰
Title: DATA TRANSMISSION METHOD AND COMMUNICATION DEVICE
Abstract:
Embodiments of the present invention relate to a data transmission method and a communication device, the data transmission method comprises: a sender sends a first data block; the sender receives feedback information of non-CRC check of the first data block; the sender determines whether to resend the first data block based on the feedback information of the non-CRC check of the first data block; the sender receives feedback information of CRC check of the first data block; and the sender determines whether to resend the first data block based on the feedback information of the CRC check of the first data block and information on whether the first data block has been resent based on the feedback information of the non-CRC check of the first data block. Embodiments of the present invention combine the traditional HARQ feedback mechanism and the fast HARQ feedback mechanism organically, and achieve the purpose of fast and reliable feedback at the same time, thereby satisfying the service requirements of low delay and high reliability.