Title:
APPARATUS AND METHOD FOR REDUCING INTERFERENCES BETWEEN BASE STATIONS IN WIRELESS COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2010/106819
Kind Code:
A1
Abstract:
A method for reducing interferences between base stations in a communication system having a plurality of base stations. This method comprises the steps of: causing a user station to receive both a signal transmitted by a local-cell base station and a signal transmitted by an adjacent-cell base station, thereby measuring the SNR of the interfered link and the SNR of the leak link of the adjacent-cell base station; calculating a weighting factor of a leak power based on the measured SNR of the interfered link and the measured SNR of the leak link of the adjacent-cell base station; and determining, based on the calculated weighting factor, whether or not the leak power has to be suppressed and to what degree such suppression has to be performed.
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Inventors:
TONG HUI
XU MING
HOSHINO MASAYUKI
IMAMURA DAICHI
XU MING
HOSHINO MASAYUKI
IMAMURA DAICHI
Application Number:
PCT/JP2010/002002
Publication Date:
September 23, 2010
Filing Date:
March 19, 2010
Export Citation:
Assignee:
PANASONIC CORP (JP)
TONG HUI
XU MING
HOSHINO MASAYUKI
IMAMURA DAICHI
TONG HUI
XU MING
HOSHINO MASAYUKI
IMAMURA DAICHI
International Classes:
H04W16/28
Domestic Patent References:
| WO2007123029A1 | 2007-11-01 |
Foreign References:
| CN200910126854A | 2009-03-20 |
Other References:
MITSUBISHI ELECTRIC: "Leakage-based precoding for CoMP in LTE-A", 3GPP RANI #56, R1-090596, 13 February 2009 (2009-02-13), XP050338738, Retrieved from the Internet [retrieved on 20100406]
WANG JING-JING ET AL.: "Dynamic power allocation based on SLNR precoding for Multi-User MIMO downlink", WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, 2008. WICOM '08, 2008, pages 1 - 4, XP055100298
WANG JING-JING ET AL.: "Dynamic power allocation based on SLNR precoding for Multi-User MIMO downlink", WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, 2008. WICOM '08, 2008, pages 1 - 4, XP055100298
Attorney, Agent or Firm:
WASHIDA, KIMIHITO (JP)
Koichi Washida (JP)
Koichi Washida (JP)
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