Title:
SELF-ADAPTIVE MIMO DETECTION METHOD AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/233182
Kind Code:
A1
Abstract:
The present invention provides a self-adaptive MIMO detection method and system. The method comprises the following steps: a) determining whether the signal-to-noise ratio of a data packet is greater than apreset threshold, if yes, carrying out ZF preprocessing on a channel matrix, and if not, carrying out MMSE preprocessing on the channel matrix; b) performing sorted QR decomposition on the channel matrix processed instep a) to obtain a plurality of decomposed matrixes; c) determining whether the channel matrix condition number of the data packet is greater than a preset threshold, if yes, performing lattice reduction on the decomposed matrixes obtained in step b); d) determining whether the channel matrix interference estimated value of the data packet is greater than a preset threshold, if yes, selecting an SIC detection mode to carry out MIMO detection on the data packet, and if not, selecting aK-best detection mode to carry out MIMO detection on the data packet; and e) performing MIMO detection on the data packet according to the processing results ofsteps a) to d).
Inventors:
ZHAN RUI (CN)
Application Number:
PCT/CN2020/076764
Publication Date:
November 26, 2020
Filing Date:
February 26, 2020
Export Citation:
Assignee:
ESPRESSIF SYS SHANGHAI CO LTD (CN)
International Classes:
H04B7/0413; H04B7/0456; H04B17/336; H04L25/02
Foreign References:
| CN109936400A | 2019-06-25 | |||
| CN101540661A | 2009-09-23 | |||
| CN104038269A | 2014-09-10 | |||
| CN104580039A | 2015-04-29 | |||
| CN103746728A | 2014-04-23 | |||
| US8687750B1 | 2014-04-01 |
Other References:
WEI, ZHEN: "Non-official translation: Research on MIMO Receiving Terminal Detection Technology in Wireless Communication System", CHINA MASTER'S THESES FULL-TEXT DATABASE, 1 March 2016 (2016-03-01), DOI: 20200509153845A
WUBBEN, D. ET AL.: "MMSE Extension of V-BLAST based on Sorted QR Decomposition", 2003 IEEE 58TH VEHICULAR TECHNOLOGY CONFERENCE. VTC 2003-FALL, 4 May 2004 (2004-05-04), XP010700838, DOI: 20200509154451A
WUBBEN, D. ET AL.: "MMSE Extension of V-BLAST based on Sorted QR Decomposition", 2003 IEEE 58TH VEHICULAR TECHNOLOGY CONFERENCE. VTC 2003-FALL, 4 May 2004 (2004-05-04), XP010700838, DOI: 20200509154451A
Attorney, Agent or Firm:
BEIJING LUSHENG LAW FIRM (CN)
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