一种基于空间预滤波的多点分布式协作传输模式

doi:10.3969/j.issn.1000-0801.2010.01.011

Abstract

Abstract:

A sort of downlinh system structure and its signal transmission model are proposed for multi-point networh coordination transmitting information symbols to users through geographically dispersed multiple radio access points connected to a central processing unit. Optimal algorithms for the spatial prefiltering are investigated by simultaneously adopting the dirty paper coding and zero-forcing methods. Some numerical simulation results show that this approach can efficiently mitigate co-channel interference, greatly enhance system performance approaching to the ideal interference-free single cell user, and significantly improve spectral efficiency gain with increasing the number of antennas.

Key words: MIMO, multiple radio access point, networh coordinating, spatial prefiltering

Shanghui Xiao,Lu Li. Multi-Point Distributed Coordinating Transmission Systems Based on Spatial Prefiltering[J]. Telecommunications Science, 2010, 26(1): 54-58.

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References 10

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Multi-Point Distributed Coordinating Transmission Systems Based on Spatial Prefiltering

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