发明名称 |
METHOD AND APPARATUS FOR OPEN LOOP TRANSMISSION IN A MULTIPLE ANTENNA WIRELESS COMMUNICATION SYSTEM |
摘要 |
The invention concerns a method for precoding in an open loop transmission communications system, wherein the method includes precoding data at each of M REs with a precoding matrix, precoding each of DM-RSs with one column of a precoding matrix which is same as that used for precoding M data REs. The method is distinguished by using at least L≧2 different precoding matrices from a set of precoding matrices W to precode the M REs and the E allocated REs such that REs precoded with a first precoding matrix are interleaved with REs precoded with at least one additional, different precoding matrix and the number of used precoding matrices L is adapted to the transmission rank r and number N of available DM-RS. The invention further concerns a radio transmitter and a user equipment. |
申请公布号 |
EP2684328(A1) |
申请公布日期 |
2014.01.15 |
申请号 |
EP20110862492 |
申请日期 |
2011.03.30 |
申请人 |
HUAWEI TECHNOLOGIES CO., LTD. |
发明人 |
LIU, JIANGHUA;ROBERT SAFAVI, ANAHID;POPOVIC, BRANISLAV |
分类号 |
H04B7/04;H04L5/00;H04L25/03 |
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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