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Performance analysis of smart antenna with mono-and dual-polarization in TD-LTE system

机译:TD-LTE系统中单极化和双极化智能天线的性能分析

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Research on smart antenna has been incorporated in the evolution path from TD-SCDMA to TD-LTE. To reduce the array size of the mono-polarized smart antenna in TD-SCDMA systems, dual-polarization scheme is considered to facilitate the application of smart antenna in TD-LTE systems. In this paper, we investigate the performance degradation due to dual-polarization for smart antenna in TD-LTE system. The beamforming gain and the diversity gain of the smart antennas with two polarization schemes are analyzed, and then followed the numerical simulation. Both the analysis and the simulation show that the dual-polarization scheme pays a little penalty of slight signal-to-noise (SNR) loss for the great decrease of array size that greatly facilitates the application of antenna array.
机译:智能天线的研究已纳入从TD-SCDMA到TD-LTE的演进路径。为了减小TD-SCDMA系统中单极化智能天线的阵列尺寸,考虑采用双极化方案以促进智能天线在TD-LTE系统中的应用。在本文中,我们研究了由于TD-LTE系统中智能天线的双极化而导致的性能下降。分析了两种极化方案的智能天线的波束成形增益和分集增益,然后进行了数值模拟。分析和仿真均表明,双极化方案由于阵列尺寸的极大减小而付出了一些轻微的信噪比(SNR)损失的代价,这极大地促进了天线阵列的应用。

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