基本信息:
- 专利标题: 채널 상태 정보의 피드백 방법 및 단말
- 专利标题(英):Feedback transmission method of channel state information and user equipment
- 专利标题(中):信道状态信息的反馈传输方法和用户设备
- 申请号:KR1020137000810 申请日:2011-01-11
- 公开(公告)号:KR1020130027549A 公开(公告)日:2013-03-15
- 发明人: 리,류 , 수,준 , 첸,이얀 , 차이,케
- 申请人: 지티이 코포레이션
- 申请人地址: ZTE Plaza, Keji Road South, Hi-Tech Industrial Park, Nanshan District, Shenzhen, Guangdong Province ******, China
- 专利权人: 지티이 코포레이션
- 当前专利权人: 지티이 코포레이션
- 当前专利权人地址: ZTE Plaza, Keji Road South, Hi-Tech Industrial Park, Nanshan District, Shenzhen, Guangdong Province ******, China
- 代理人: 특허법인 동원
- 优先权: CN2010102118353 2010-06-21
- 国际申请: PCT/CN2011/070185 2011-01-11
- 国际公布: WO2011160451 2011-12-29
- 主分类号: H04L1/06
- IPC分类号: H04L1/06
The present invention discloses a feedback method and a terminal of the channel state information. The method, UE is the first type precoding matrix index, PMI and the second type of the method for confirming the channel status information including the PMI, UE, the first type from the physical uplink shared channel PUSCH PMI and the second type of PMI comprising the step of feeding back the channel state information comprises, among which, a first type of PMI is the one precoding matrix is used to indicate a first index in the precoding codebook, the first precoding matrix is the bandwidth and / or It is used to map the channel information of the long term channel and the second type of PMI is the second precoding matrix is used to indicate a second free index in the coding codebook, second precoding matrix is a sub-band and / or short-term channel It is used to map the channel information. The invention was to cause the base station to dynamically itgekkeum can select a single-user MIMO or multi-user MIMO transmission transport significantly improves the performance of the system based on the actual channel condition.