Title:
CODEBOOK FORMING METHOD AND APPARATUS, BASE STATION AND MOBILE STATION
Document Type and Number:
WIPO Patent Application WO/2018/010655
Kind Code:
A1
Abstract:
Provided in the embodiments of the present invention are a codebook forming method and apparatus, a base station and a mobile station. According to an embodiment of the present invention, the codebook forming method comprises: forming a first main codebook according to a first phase shift parameter, the first main codebook being used to generate a first fundamental beam sequence in a first spatial dimension; determining a first rotation parameter, the first rotation parameter being used for phase rotation of the first fundamental beam sequence so as to generate a first auxiliary beam sequence in the first spatial dimension; and forming a first spatial dimension codebook according to the first main codebook and the first rotation parameter.
Inventors:
HOU XIAOLIN (CN)
LIU MIN (CN)
WANG XIN (CN)
JIANG HUILING (CN)
WU WEI (CN)
LIU DANPU (CN)
LIU MIN (CN)
WANG XIN (CN)
JIANG HUILING (CN)
WU WEI (CN)
LIU DANPU (CN)
Application Number:
PCT/CN2017/092582
Publication Date:
January 18, 2018
Filing Date:
July 12, 2017
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
International Classes:
H04B7/04
Foreign References:
| CN102801455A | 2012-11-28 | |||
| CN105308880A | 2016-02-03 | |||
| CN102938662A | 2013-02-20 | |||
| US20100164805A1 | 2010-07-01 |
Other References:
NTT DOCOMO: "Scenarios for UE-Specific Elevation Beamforming and FD-MIMO", 3GPP TSG RAN WG1 MEETING #72BIS RL-131428, 19 April 2013 (2013-04-19), XP050697273
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (CN)
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