发明名称 |
Method and apparatus for downlink transmission based on MIMO precoding in wireless communication system employing distributed antenna systems |
摘要 |
A transmission method and apparatus utilizing Multiple-Input and Multiple-Output (MIMO) precoding based on Distributed Antenna Systems (DASs) are provided. The transmission method includes determining active antenna ports, for a User Equipment (UE) having multiple receive antennas, from among a plurality of Distributed Antenna Ports (DAPs) evenly placed in a service area; assigning a Multiple-Input and Multiple-Output (MIMO) mode to the UE and notifying the UE of the MIMO mode assignment; determining a signal precoding vector on a basis of feedback information for the MIMO mode received from the UE; and precoding a signal using the signal precoding vector and transmitting the precoded signal through the active antenna ports. |
申请公布号 |
US8724607(B2) |
申请公布日期 |
2014.05.13 |
申请号 |
US201213371935 |
申请日期 |
2012.02.13 |
申请人 |
HAN JIN KYU;MUN CHEOL;KIM SUNG TAE;KIM YOUN SUN;YOOK JONG KWAN;SAMSUNG ELECTRONICS CO., LTD;INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY |
发明人 |
HAN JIN KYU;MUN CHEOL;KIM SUNG TAE;KIM YOUN SUN;YOOK JONG KWAN |
分类号 |
H04B7/216 |
主分类号 |
H04B7/216 |
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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