Title:
WIRELESS COMMUNICATION SYSTEM, TERMINAL DEVICE, BASE STATION DEVICE, METHOD OF WIRELESS COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO2010109518
Kind Code:
A1
Abstract:
A wireless communication system wherein wireless communication is performed between a base station device and a terminal device. The terminal device is provided with a holding unit which holds a precoding matrix, a relative value determination unit which determines a relative value with respect to a parameter contained in the held precoding matrix, and a transmission unit which transmits the determined relative value. The base station device is provided with a reception unit which receives the relative value.
Inventors:
ITO AKIRA (JP)
Application Number:
PCT/JP2009/001297
Publication Date:
September 30, 2010
Filing Date:
March 24, 2009
Export Citation:
Assignee:
FUJITSU LTD (JP)
ITO AKIRA (JP)
ITO AKIRA (JP)
International Classes:
H04B7/04; H04J99/00; H04B7/10; H04W16/28
Domestic Patent References:
| WO2008156067A1 | 2008-12-24 | |||
| WO2008023646A1 | 2008-02-28 | |||
| WO2008156081A1 | 2008-12-24 |
Other References:
"3GPP TSG-RAN WG1 Meeting #53, R1-081835, 2008.05.05", 5 May 2008, article NORTEL: "Differential PMI feedback", XP050110207
"3GPP TSG RAN WG1 Meeting #53, R1-081744, 2008.05.05", 5 May 2008, article SAMSUNG: "SU-MIMO PMI feedback and Compression", XP050110134
"3GPP TSG RAN WG1 Meeting #53, R1-081744, 2008.05.05", 5 May 2008, article SAMSUNG: "SU-MIMO PMI feedback and Compression", XP050110134
Attorney, Agent or Firm:
HAYASHI, Tsunenori et al. (JP)
Tsunenori Hayashi (JP)
Tsunenori Hayashi (JP)
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