Multi-antenna pilot mapping method
A mapping method and multi-antenna technology, applied in diversity/multi-antenna systems, space transmit diversity, communication between multiple stations, etc., can solve problems such as difficulty in ensuring stable coverage of control channels, affecting system performance, and complex operations , to achieve the effect of improving cell throughput
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[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0042] Precoding and beamforming are two modes of multi-antenna processing MIMO. Their respective performance advantages determine that the applicable occasions of these two technologies are different: precoding is suitable for situations where the channel rank is greater than 1, and is suitable for multipath channel comparison Abundant occasions; beamforming is suitable for situations where the channel rank is equal to 1, and is suitable for direct arrival (LOS) paths or where the energy of the main path is significantly greater than that of other multipaths. However, their application conditions are not completely divided. In the same scenario, according to different channel conditions, user A may be suitable for precoding, and user B may be suitable for beamform...
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