发明名称 |
SPATIALLY RANDOMIZED PILOT SYMBOL TRANSMISSION METHODS, SYSTEMS AND DEVICES FOR MULTIPLE INPUT/MULTIPLE OUTPUT (MIMO) WIRELESS COMMUNICATIONS |
摘要 |
Compressive sampling is used to generate pilot symbols to be transmitted over an array of antennas in a MIMO wireless communications device. A pilot symbol is transmitted over the array of antennas according to a spatially randomized antenna transmission function that randomly changes across the array of antennas. The randomized antenna transmission function may randomly select/deselect antennas and/or randomly change amplitude and/or phase of the pilot symbol transmission. Channel estimates can be constructed at a receiver based on the spatially randomized pilot symbols that were transmitted.
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申请公布号 |
US2013077658(A1) |
申请公布日期 |
2013.03.28 |
申请号 |
US201113247597 |
申请日期 |
2011.09.28 |
申请人 |
HUI DENNIS;BALACHANDRAN KUMAR;CHENG JUNG-FU;GUEY JIANN-CHING;TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) |
发明人 |
HUI DENNIS;BALACHANDRAN KUMAR;CHENG JUNG-FU;GUEY JIANN-CHING |
分类号 |
H04L27/28;H04B1/38;H04L27/00 |
主分类号 |
H04L27/28 |
代理机构 |
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