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Patent Searching and Data


Title:
DATA RETRANSMISSION METHOD AND DEVICE, DATA RECEPTION RESPONSE METHOD AND DEVICE, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/042686
Kind Code:
A1
Abstract:
A data retransmission method and device, a data reception response method and device, and a storage medium. The data retransmission method comprises: receiving acknowledgement frames from a receiving end on transmission links, each acknowledgement frame comprising reception information of AMPDUs belonging to the same block acknowledgement session on all transmission links at a sending moment of the acknowledgement frame; if an acknowledgement frame is not successfully received on a first transmission link, detecting whether an acknowledgement frame is successfully received on other transmission links except the first transmission link, and determining whether to perform retransmission according to the reception information in the acknowledgement frame successfully received on other transmission links; and when the retransmission is determined, determining retransmission content according to the reception information in the acknowledgement frame successfully received on other transmission links, and retransmitting the retransmission content on any transmission link. According to the technical solution of the present invention, a retransmission mechanism of when a block acknowledgement frame of the same A-MPDU block acknowledgement session fails to be received under a multi-link system can be implemented, and the transmission efficiency is improved.

Inventors:
XU YANCHAO (CN)
JAUH YUHREN (CN)
YU CHINGHWA (CN)
Application Number:
PCT/CN2020/077691
Publication Date:
March 11, 2021
Filing Date:
March 04, 2020
Export Citation:
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Assignee:
SPREADTRUM COMM SHANGHAI CO (CN)
International Classes:
H04L1/16
Domestic Patent References:
WO2016163639A12016-10-13
Foreign References:
CN110572244A2019-12-13
CN105846978A2016-08-10
CN102215091A2011-10-12
Other References:
See also references of EP 4027553A4
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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