发明名称 |
METHOD FOR AVOIDING INTER-CELL INTERFERENCE IN MULTI-CELL ENVIRONMENT USING MULTIPLE CODEBOOKS |
摘要 |
A method is disclosed for avoiding inter-cell interference in a closed-loop multiple-input multiple-output (MIMO) system using a plurality of codebooks. A base station of a serving cell transmits information about codebooks used in an interfering cell among the plurality of codebooks to a mobile station. The transmission of the information may be made at the request of the mobile station. Alternatively, the mobile station may directly measure information about codebooks used in the interfering cell among the plurality of codebooks. The mobile station measures restricted precoding matrix indexes (PMIs) or requested PMIs based on the codebook information. The measured PMIs are transmitted to the interfering cell and are used to restrict the use of a PMI in the interfering cell.
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申请公布号 |
US2011105164(A1) |
申请公布日期 |
2011.05.05 |
申请号 |
US200913002569 |
申请日期 |
2009.07.06 |
申请人 |
LIM DONG GUK;LEE WOOK BONG;KIM SU NAM;IHM BIN CHUL;KIM JAE WAN |
发明人 |
LIM DONG GUK;LEE WOOK BONG;KIM SU NAM;IHM BIN CHUL;KIM JAE WAN |
分类号 |
H04B15/00 |
主分类号 |
H04B15/00 |
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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