发明名称 |
Method for Reporting Downlink Channel State and Apparatus Therefor |
摘要 |
A method for reporting a channel state to a base station (BS) supporting downlink (DL) multiple-input multiple-output (MIMO) in a wireless communication system includes measuring a DL channel based on a DL signal received from the BS, and reporting an index of a codebook for precoding of the DL signal according to the measured DL channel, wherein the codebook for precoding includes an integrated codebook having a dual structure including a codebook for a wideband and a codebook for a subband, and wherein the integrated codebook is determined depending on an index i1 of the codebook for the wideband and an index i2 of the codebook for the subband, and a structure or type of a codebook selectable using the index i2 varies according to the index i1. |
申请公布号 |
US2014241190(A1) |
申请公布日期 |
2014.08.28 |
申请号 |
US201414193131 |
申请日期 |
2014.02.28 |
申请人 |
LG ELECTRONICS INC. |
发明人 |
Park Hanjun;Kim Kijun;Park Jonghyun |
分类号 |
H04W24/10 |
主分类号 |
H04W24/10 |
代理机构 |
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代理人 |
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主权项 |
1. A method for reporting a channel state to a base station (BS) supporting downlink (DL) multiple-input multiple-output (MIMO) in a wireless communication system, the method comprising:
measuring a DL channel based on a DL signal received from the BS; and reporting an index of a codebook for precoding of the DL signal according to the measured DL channel, wherein the codebook for precoding comprises an integrated codebook having a dual structure comprising a codebook for a wideband and a codebook for a subband, and wherein the integrated codebook is determined depending on an index i1 of the codebook for the wideband and an index i2 of the codebook for the subband, and a structure or type of a codebook selectable using the index i2 varies according to the index i1. |
地址 |
Seoul KR |