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V-BLAST系统应用于宏蜂窝MIMO相关信道性能分析

消耗积分:3 | 格式:rar | 大小:366 | 2009-08-05

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传统的BLAST系统具有极高的频谱利用率,但是基于充分散射环境假设,即认为收发天线阵元之间完全独立,而这在宏蜂窝移动环境下一般并不成立。本文主要根据宏蜂窝MIMO信道模型,研究了AOA分布对V-BLAST系统的影响,通过对模拟实验结果的分析,指出MS一侧的AOA分布对室外MIMO系统性能起着关键性影响。
关键词:V-BLAST;MIMO;相关;瑞利信道; AOA
Astract:The traditional BLAST systems have drawn massive attentions among the researchers because of its high spectrum efficiency, but it is based on the assumptions of the rich-scattering environments, it means totally independent for the receivers and transmitters’ antenna elements. While the independence assumption is not factual in practical macro-cell mobile environments. Based on the macro-cell MIMO channel model proposed by Ali Abdi,
the effect of s AOA angle spreads on V-BLAST system was investigated. By analyzing the simulations results, the distribution of MS side’s AOA have key influences on performance of outdoor MIMO systems.
Key words: V-BLAST;MIMO; AOA

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