华中科技大学武汉光电国家实验室(筹), 电子与信息工程系,湖北,武汉,430074
纸质出版:2007
移动端阅览
孔政敏, 丁李, 朱光喜. 一种新颖的基于差分结构的判决反馈均衡器[J]. 电子学报, 2007,35(6A):174-178.
KONG Zheng-min, Ding Li, ZHU Guang-xi. A New Difference Structure-based Decision Feedback Equalizer[J]. Acta Electronica Sinica, 2007, 35(6A): 174-178.
多用户型的检测系统
既要求低误码率(BER)
又要求较低计算复杂度.本文以此为目的提出一种新颖的具有差分结构的多用户反馈判决反馈均衡器系统
它是由多级具有差分结构的误差反馈滤波器的判决反馈均衡器(DFE-EFF)构成.此算法选择较优的多用户干扰抵消的具有误差反馈滤波器的判决反馈均衡器(多用户干扰抵消DFE- EFF
即多用户反馈DFE-EFF)的方法;并采用差分结构来解决因性能提升所带来复杂度增加的问题.文中给出仿真结果
就多用户反馈DFE-EFF以及具有差分结构的多用户反馈DFE-EFF性能和计算效率做出比较分析.
Bit error(BER) performance and computational efficiency are two keys which judge a multiuser detector's performance.In DS-CDMA
a new multiuser interference cartcellation decision feedback equalizer which has eroor feedback filter
based on difference structure
is presented.Compared with previous multiuser interference cancellation decision feedback equalizer which has error feedback filter
the new approach reduces compurtational efficiency by using difference algorithm
also keeps a good BFR performance.
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