发明名称 |
Apparatus and method for overhead reduction of feedback in closed loop MIMO system |
摘要 |
A method and apparatus reduce overhead of feedback in a closed loop Multiple Input Multiple Output (MIMO) system. A controller feeds back the long-term Precoder Matrix Index (PMI) to a serving base station under direction of the serving base station when the long term PMI feedback transmission is required, generates a new codebook using the long term PMI, and determines a short term PMI from the new codebook. A feedback transmitter feeds back the short-term PMI to the serving base station.
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申请公布号 |
US8576776(B2) |
申请公布日期 |
2013.11.05 |
申请号 |
US20100806150 |
申请日期 |
2010.08.06 |
申请人 |
HAN SHUANGFENG;WANG ZHEN;CHOI HO-KYU;SHAN CHENG;SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
HAN SHUANGFENG;WANG ZHEN;CHOI HO-KYU;SHAN CHENG |
分类号 |
H04W4/00 |
主分类号 |
H04W4/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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