Title:
CHANNEL STATE INFORMATION ACQUISITION METHOD AND APPARATUS, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2017/162066
Kind Code:
A1
Abstract:
Disclosed is a channel state information acquisition method. The method comprises: selecting a first-type precoding matrix index (PMI) for each layer, and selecting the optimal second-type PMI for each layer according to the first-type PMI of each layer and a second-type PMI set and in accordance with a pre-set criterion; selecting the optimal first-type PMI for each layer according to the optimal second-type PMI of each layer and a first-type PMI set and in accordance with the pre-set criterion; and selecting a first-type PMI and a second-type PMI best matching a current channel from the optimal first-type PMI and the optimal second-type PMI of each layer in accordance with the pre-set criterion, and taking a layer number corresponding to the best matched first-type PMI and second-type PMI as a rank indicator (RI) of a channel matrix. Also disclosed at the same time are a channel state information acquisition apparatus and a storage medium.
Inventors:
XIE JILING (CN)
Application Number:
PCT/CN2017/076481
Publication Date:
September 28, 2017
Filing Date:
March 13, 2017
Export Citation:
Assignee:
SANECHIPS TECH CO LTD (CN)
International Classes:
H04B7/06
Foreign References:
| CN101969366A | 2011-02-09 | |||
| CN102223212A | 2011-10-19 | |||
| CN103684556A | 2014-03-26 | |||
| CN104348590A | 2015-02-11 | |||
| US20140369279A1 | 2014-12-18 |
Other References:
"Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer procedures (Release 13", 3GPP TS 36.213 V13. 0. 1, 31 January 2016 (2016-01-31)
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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