Title:
DATA PROCESSING METHOD AND DEVICE FOR MAXIMUM LIKELIHOOD (ML) RECEIVER
Document Type and Number:
WIPO Patent Application WO/2015/192704
Kind Code:
A1
Abstract:
A data processing method and device for an ML receiver, which relate to the technical field of communications, and can solve the problems that parameters needed by an ML receiver cannot be accurately estimated and the interference eliminating capability of the ML receiver is reduced. The method of the present invention comprises: an ML receiver estimates channels of a serving cell and an interference cell through received signals at reference signal positions, and obtains a channel estimation matrix; the ML receiver computes first metrics of received signals and the channel estimation matrix, and determines survival paths of the serving cell according to the first metrics; the ML receiver computes second metrics of the received signals and the channel estimation matrix according to the determined survival paths of the serving cell and all values of unknown parameters, and determines survival paths of the interference cell according to the second metrics; the ML receiver determines a final survival path according to the survival paths of the interference cell; and the ML receiver computes an LLR according to the final survival path. The present invention is applicable to an ML receiver.
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Inventors:
WANG HAO (CN)
Application Number:
PCT/CN2015/079677
Publication Date:
December 23, 2015
Filing Date:
May 25, 2015
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L25/02
Foreign References:
| CN101958852A | 2011-01-26 | |||
| US7646830B1 | 2010-01-12 | |||
| US7356105B1 | 2008-04-08 | |||
| CN102870347A | 2013-01-09 | |||
| CN104079511A | 2014-10-01 |
Other References:
See also references of EP 3145138A4
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