| 多径条件下的空时解相关接收机研究 |
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| 引用本文： | 陈强,胡延平,皇甫堪. 多径条件下的空时解相关接收机研究[J]. 国防科技大学学报, 2001, 23(1): 73-76 |
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| 作者姓名： | 陈强 胡延平 皇甫堪 |
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| 作者单位： | 国防科技大学电子科学与工程学院, 湖南 长沙 410073 |
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| 摘 要： | 通过建立了一般的空时CDMA系统模型 ,探讨多址干扰和多径效应的联合抑制问题。首先分析了系统的可辨识条件 ,然后利用多约束最优化准则研究了FIR空时解相关接收机设计和实现 ,并进一步分析了系统性能
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| 关 键 词： | CDMA 多用户检测 空时处理 多址干扰 多径衰落 |
| 文章编号： | 1001-2486 (2001) 01-0073-04 |
| 收稿时间： | 2000-09-22 |
| 修稿时间： | 2000-09-22 |
Space-time Decorrelating Receivers in Multipath Fading Channels |
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| CHEN Qiang,HU Yanping and HUANGFUKan. Space-time Decorrelating Receivers in Multipath Fading Channels[J]. Journal of National University of Defense Technology, 2001, 23(1): 73-76 |
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| Authors: | CHEN Qiang HU Yanping HUANGFUKan |
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| Affiliation: | College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China |
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| Abstract: | A general space-time CDMA system model in multipath fading channels is built to study how to suppress both multiple access interference (MAI) and multipath fading. Identification conditions are first studied. Then a FIR solution of space-time decorrelating receivers is implemented by an optimal criterion with multiple constraints and system performances are analyzed. |
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| Keywords: | CDMA multiuser detection space-time processing MAI multipath fading |
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