TD-SCDMA系统中阵列天线的校正算法
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Calibration Algorithm for Array Antenna in TD-SCDMA System
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    摘要:

    针对TD-SCDMA系统中阵列天线通道幅度和相位不一致会影响天线系统的性能这一现象,提出了一种在加入参考信号下,结合J.C.liberti算法对阵列天线通道不一致性的校正,算法通过技术参考信号的波达方向角估计值来校正列天线中各参数的不一致性,并通过波束形成算法,得到通道校正后的和差波束,仿真结果表明,算法一方面提高了波达方向估计值的准确性,另一方面改善了单脉冲和差波束的瞄准精度。

    Abstract:

    Because inconsistent channel amplitude and phase of array antenna of TD-SCDMA affects the antenna system performance,array antenna channel inconsistency calibration algorithms based on the combination of the different reference signals and J.C. liberti algorithm were proposed.Rhe parameters uncertainty of array antenna was corrected by computing estimate value of direction-of-arrival estimated-angle of the reference signals,and the sum and difference beam of channel correcton was achieved gy beamforming algorithm.The simulation results show that the algorithm can greatly improve the DOA estimation accuracy on the one hand,and the sum and difference beam pointing accuracy of single pulse is improved on the other hand.

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王丽. TD-SCDMA系统中阵列天线的校正算法[J].重庆工商大学学报(自然科学版),2012,29(7):57-61
WANG Li. Calibration Algorithm for Array Antenna in TD-SCDMA System[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2012,29(7):57-61

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