| 一种基于改进的Block-FFT算法的联合检测矩阵求逆算法 |
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| 引用本文： | 刘正堂,任修坤,胡捍英.一种基于改进的Block-FFT算法的联合检测矩阵求逆算法[J].信息工程大学学报,2011,12(1):67-71. |
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| 作者姓名： | 刘正堂 任修坤 胡捍英 |
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| 作者单位： | 信息工程大学,信息工程学院,河南,郑州,450002 |
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| 摘 要： | 联合检测是TD-SCDMA系统的关键技术之一。而影响该技术复杂度的主要因素是矩阵求逆算法的设计。文章结合TD-SCDMA系统的特性,并灵活应用块循环矩阵的性质,给出了一种基于改进的Block-FFT算法的联合检测矩阵求逆算法。仿真结果表明,该算法与常用的Cholesky算法、近似Cholesky算法相比,时间复杂度和空间复杂度较后两者明显降低,从而提高了该算法的工程实现性。
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| 关 键 词： | TD-SCDMA 联合检测 块循环矩阵 Block-FFT算法 |
Algorithm Computing the Inverse of Joint Detection Matrix Based on Improved Block-FFT Algorithm |
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| LIU Zheng-tang,REN Xiu-kun,HU Han-ying.Algorithm Computing the Inverse of Joint Detection Matrix Based on Improved Block-FFT Algorithm[J].Journal of Information Engineering University,2011,12(1):67-71. |
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| Authors: | LIU Zheng-tang REN Xiu-kun HU Han-ying |
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| Affiliation: | LIU Zheng-tang,REN Xiu-kun,HU Han-ying(Institute of Information Engineering,Information Engineering University,Zhengzhou 450002,China) |
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| Abstract: | Joint Detection is one of crucial techniques of TD-SCDMA system.The design of the computation of the inverse of the matrix algorithm is a substantial factor affecting the complexity of Joint Detection.An algorithm computing the inverse of matrix for Joint Detection base on improved Block-FFT algorithm is investigated according to the character of the TD-SCDMA system and to the flexible application of the property of the block-circulant matrix.Simulation results indicate that the proposed algorithm exhibits ... |
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| Keywords: | TD-SCDMA |
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