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The Iterative optimization Algorithm for Smart Antenna of TD-SCDMA System in the Complex Interference Environment

机译:复杂干扰环境中TD-SCDMA系统智能天线的迭代优化算法

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For smart antenna of TD-SCDMA system,it is not able to distinguish signal of interest (SOI) and signal of non-interest (SNOI) well when interference and multipath fading are severe.This paper proposes an iterative optimization algorithm of smart antenna based on EBB in TD-SCDMA system.The algorithm optimizes the power of SOI by correlated despread firstly.Finally it is based on midamble code and uses minimum mean-square error iteration to get the optimal weighted vector.Simulations and analysis show that the algorithm can significantly improve the bit error rate performance of TD-SCDMA system under the strong interference environment.
机译:对于TD-SCDMA系统的智能天线,当干扰和多径衰落严重时,它无法区分感兴趣的感兴趣信号(SOI)和非兴趣(SNOI)的信号良好的信号。本文提出了一种基于智能天线的迭代优化算法在TD-SCDMA系统中的eBB上。算法首先通过相关性优化了SOI的力量。最后它基于Midamble代码,并使用最小均方错误迭代来获得最佳加权矢量。Simulation和分析表明该算法可以显着提高了TD-SCDMA系统在强烈干扰环境下的误码率性能。

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