发明名称 |
METHOD AND DEVICE FOR TRANSMITTING DOWNLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM |
摘要 |
An embodiment of the present invention relates to a method by which a base station transmits a downlink signal in wireless communication system, the method including the steps of: transmitting a demodulation-reference signal (DMRS) approval; determining a long-term channel property from the DMRS of a first slot of an uplink sub-frame received by responding to the DMRS approval; receiving a first reference signal from a second slot of the sub-frame on the basis of the determined long-term channel property; determining a short-term channel property from the first reference signal; determining a pre-coding matrix from the long-term channel property and the short-term channel property; and transmitting a downlink signal through the determined pre-coding matrix. |
申请公布号 |
WO2016010399(A1) |
申请公布日期 |
2016.01.21 |
申请号 |
WO2015KR07458 |
申请日期 |
2015.07.17 |
申请人 |
LG ELECTRONICS INC. |
发明人 |
CHAE, HYUKJIN;KIM, YOUNGTAE;KIM, BONGHOE |
分类号 |
H04B7/04;H04B7/06 |
主分类号 |
H04B7/04 |
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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