Title:
BASE STATION
Document Type and Number:
WIPO Patent Application WO/2017/154996
Kind Code:
A1
Abstract:
Provided is a base station for performing communication with a plurality of mobile stations in a wireless communication system that supports a multi-user MIMO and is provided with the base station and the plurality of mobile stations, wherein the base station has: a determination unit for determining, on the basis of an estimated channel value with each of the plurality of mobile stations, the number of a plurality of steams transmitted to each the plurality of mobile stations and a parameter applied to each of the plurality of streams transmitted to each of the plurality of mobile stations; and a transmission unit for generating a plurality of streams the number of which is determined in accordance with the parameter determined by the determination unit, and transmitting the streams to each of the plurality of mobile stations.
Inventors:
OBARA TATSUNORI (JP)
SUYAMA SATOSHI (JP)
OKUYAMA TATSUKI (JP)
OKUMURA YUKIHIKO (JP)
SUYAMA SATOSHI (JP)
OKUYAMA TATSUKI (JP)
OKUMURA YUKIHIKO (JP)
Application Number:
PCT/JP2017/009305
Publication Date:
September 14, 2017
Filing Date:
March 08, 2017
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
International Classes:
H04B7/0452; H04W16/28; H04W28/18; H04W88/08
Domestic Patent References:
| WO2006098379A1 | 2006-09-21 |
Foreign References:
| JP2009177616A | 2009-08-06 | |||
| JP2010004517A | 2010-01-07 | |||
| JP2015126271A | 2015-07-06 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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