Title:
METHOD FOR REPORTING CHANNEL STATUS INFORMATION IN A MULTI ANTENNA WIRELESS COMMUNICATION SYSTEM AND DEVICE FOR SAME
Document Type and Number:
WIPO Patent Application WO/2012/081843
Kind Code:
A1
Abstract:
The present application discloses a method for reporting channel status information in a multi antenna wireless communication system. In more detail, the method includes: receiving a reference signal from a base station; calculating the optimum precoding matrix index (PMI), at which the intensity of a signal from the base station is maximized, on the basis of the reference signal; determining at least one interference PMI from the base station on the assumption that a plurality of interference PMIs corresponding to the optimum PIM are applied; and transmitting information on at least one determined interference PMI to the base station. Beams corresponding to the plurality of interference PMIs are orthogonal to the beams corresponding to the optimum PMI.
Inventors:
KIM, Hyungtae (LG Institute, #533 Hogye 1-dong Dongan-gu, Anyang-si, ilGyeonggi-do 431-080, 431-080, KR)
김형태 (경기도 안양시 동안구 호계1동 533번지 엘지전자 특허센터, 431-080 Gyeonggi-do, 431-080, KR)
SEO, Hanbyul (LG Institute, #533 Hogye 1-dong Dongan-gu, Anyang-si, ilGyeonggi-do 431-080, 431-080, KR)
김형태 (경기도 안양시 동안구 호계1동 533번지 엘지전자 특허센터, 431-080 Gyeonggi-do, 431-080, KR)
SEO, Hanbyul (LG Institute, #533 Hogye 1-dong Dongan-gu, Anyang-si, ilGyeonggi-do 431-080, 431-080, KR)
Application Number:
KR2011/008799
Publication Date:
June 21, 2012
Filing Date:
November 17, 2011
Export Citation:
Assignee:
LG ELECTRONICS INC. (20 Yeouido-dong, Yeongdeungpo-gu, Seoul 150-721, 150-721, KR)
엘지전자 주식회사 (서울 영등포구 여의도동 20, 150-721 Seoul, 150-721, KR)
KIM, Hyungtae (LG Institute, #533 Hogye 1-dong Dongan-gu, Anyang-si, ilGyeonggi-do 431-080, 431-080, KR)
김형태 (경기도 안양시 동안구 호계1동 533번지 엘지전자 특허센터, 431-080 Gyeonggi-do, 431-080, KR)
엘지전자 주식회사 (서울 영등포구 여의도동 20, 150-721 Seoul, 150-721, KR)
KIM, Hyungtae (LG Institute, #533 Hogye 1-dong Dongan-gu, Anyang-si, ilGyeonggi-do 431-080, 431-080, KR)
김형태 (경기도 안양시 동안구 호계1동 533번지 엘지전자 특허센터, 431-080 Gyeonggi-do, 431-080, KR)
International Classes:
H04B7/04; H04B7/26; H04J11/00; H04L1/06
Attorney, Agent or Firm:
KIM, Yong In et al. (KBK & Associates, 7th Floor Hyundae Building,175-9 Jamsil-dong, Songpa-ku, Seoul 138-861, 138-861, KR)
Claims: