MOBILE STATION, WIRELESS BASE STATION, AND WIRELESS COMMUNICATIONS METHOD

Title:

MOBILE STATION, WIRELESS BASE STATION, AND WIRELESS COMMUNICATIONS METHOD

Document Type and Number:

WIPO Patent Application WO/2016/163543

Kind Code:

A1

Abstract:

This mobile station uses a plurality of antenna ports, performs communications, and comprises: a reception unit that receives, from a wireless base station, first amount information indicating the number of antenna ports in a first dimension and second amount information indicating the number of antenna ports in a second dimension; and a transmission unit that sends, to the wireless base station, an index for a precoding matrix code book obtained using the first amount information and/or the second amount information. As a result, a mobile station, a wireless base station, and a wireless communications method that are capable of flexibly generating a precoding matrix can be provided, for a two-dimensional antenna array.

Inventors:

NAGATA SATOSHI (JP)
KAKISHIMA YUICHI (US)
NA CHONGNING (CN)
HOU XIAOLIN (CN)
JIANG HUILING (CN)

Application Number:

PCT/JP2016/061614

Publication Date:

October 13, 2016

Filing Date:

April 08, 2016

Export Citation:

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Assignee:

NTT DOCOMO INC (JP)

International Classes:

H04J99/00

Domestic Patent References:

WO2010079748A1

2010-07-15

Foreign References:

JP2014531144A	2014-11-20
JP2014195200A	2014-10-09

Other References: