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基于QR分解的快速天线选择算法

Fast antenna selection algorithm based on QR-decomposition
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摘要 天线选择是MI MO(Mnltiple input multiple output)系统中一项重要的技术,可以很小的性能损失换取成本的大幅降低,从而提高系统的性能价格比.通过对信道容量的深入分析,在次优递增算法的基础上,提出了一种基于QR分解的快速天线选择算法.该算法提供的信道容量几乎与最优天线选择算法相同,同时计算复杂度有明显的降低. Antenna selection is an important technique in MIMO system, which can reduce the expense with less performance loss and increase the performance-cost-ratio of MIMO system. By analyzing the channel capacity and on the basis of the incremental hypo-algorithm, a fast antenna selection algorithm based QR-decomposition is proposed. Our algorithm achieves almost the same channel capacity as the optimal selection technique while having lower computational complexity.
作者 王选宏 肖云
机构地区 西安邮电学院通信工程系 西北大学信息科学与技术学院
出处 《西北师范大学学报（自然科学版）》 CAS 北大核心 2010年第2期50-53,共4页 Journal of Northwest Normal University(Natural Science)
基金 陕西省教育厅自然科学专项项目(08JK449) 西安邮电学院中青年科研基金资助项目(ZL2008-19)
关键词 MIMO 天线选择算法 信道容量 multi input multi output technology antenna selection algorithm channel capacity
分类号 TN919.72 [电子电信—通信与信息系统] TN820 [电子电信—信息与通信工程]
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参考文献8

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二级参考文献10

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西北师范大学学报（自然科学版）
2010年 第2期

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