| HSDPA MIMO中检测技术的应用研究 |
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| 引用本文： | 巩朝阳,张捷,宋研. HSDPA MIMO中检测技术的应用研究[J]. 信息安全与通信保密, 2010, 0(3): 76-78 |
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| 作者姓名： | 巩朝阳 张捷 宋研 |
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| 作者单位： | 西北工业大学电子信息学院,陕西,西安,710129 |
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| 摘 要： | 针对HSDPA MIMO系统,提出了基于排序的QR分解MIMO检测算法,并对其性能进行了分析,该算法是针对QR分解检测算法时误码率较高的不足,对信道矩阵按列2-范数模值由小到大进行1次排序,从而消除接收信号中的干扰,降低系统误码率,使系统检测性能得到改善。基于HSDPA MIMO2×2仿真平台进行仿真实验,结果表明,与一般的QR分解算法相比,基于排序的QR算法在系统的误码性能上有明显的提升。
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| 关 键 词： | 多入多出系统 迫零检测 误码率 |
Study on Application of Detection Technologies in HSDPA MIMO System |
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| GONG Zhao-yang,ZHANG Jie,SONG Yan. Study on Application of Detection Technologies in HSDPA MIMO System[J]. China Information Security, 2010, 0(3): 76-78 |
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| Authors: | GONG Zhao-yang ZHANG Jie SONG Yan |
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| Affiliation: | GONG Zhao-yang,ZHANG Jie,SONG Yan(Northwestern Polytechnical University,Xi'an Shaanxi 710129,China) |
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| Abstract: | In the light of HSDPA MIMO systems,a rank-based MIMO detection algorithm of QR decomposition is proposed,and its performance is analyzed.The algorithm is a detection algorithm for the QR decomposition of a higher error rate,and the channel matrix is sorted by columns 2-Norm from small to large value of a second order,thus eliminating the interference of the received signal,reducing the system bit error rate,and improving the system detection performance.The simulation experiment based on HSDPA MIMO 2×2 simulation platform shows that,as compared with traditional QR decomposition algorithm,the QR algorithm based on sorting is significantly improved in system BER performance. |
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| Keywords: | MIMO system zero-forcing detection bit error rate |
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