Title:
DATA TRANSMISSION METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/058448
Kind Code:
A1
Abstract:
The invention relates to the technical field of data transmission, and more particularly, relates to a data transmission method and device. The method comprises: receiving a data retransmission instruction; adjusting, according to the data retransmission instruction, a position occupied by a modulation symbol in an original constellation diagram; and performing mapping and transmission on the modulation symbol according to the constellation diagram containing the adjusted position of the modulation symbol. The data transmission method and device provided in the embodiment of the invention do not require an extra transmission resource to transmit a data signal, and can reduce phase noise interference on the data signal.
Inventors:
ZHAO YUEYING (CN)
LIU YAHUI (CN)
LIU YAHUI (CN)
Application Number:
PCT/CN2016/100858
Publication Date:
April 05, 2018
Filing Date:
September 29, 2016
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L1/08; H04L1/18
Domestic Patent References:
| WO2003030439A1 | 2003-04-10 |
Foreign References:
| CN101626286A | 2010-01-13 | |||
| CN101291198A | 2008-10-22 | |||
| CN102025470A | 2011-04-20 | |||
| CN101119182A | 2008-02-06 |
Attorney, Agent or Firm:
CHINABLE IP (CN)
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