MBOK DS-UWB系统的分数间隔选择性Rake接收

2006 International Symposium on Intelligent Signal Processing and Communications Pub Date : 2006-12-01 DOI:10.1109/ISPACS.2006.364863

Yasutomo Kawashima, S. Sasaki, H. Kikuchi

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引用次数: 5

摘要

本文提出了一种用于多路双正交键控直接序列超宽带(MBOK DS-UWB)无线系统的分数间隔选择性Rake (FSRake)接收机。传统的Rake接收机通过采样与脉冲持续时间相结合来解决匹配滤波器输出。在所提出的FSRake接收中，匹配的滤波器输出由脉冲的分数阶持续时间采样。在这些采样输出之间组合一定数量的最强路径。与传统的Rake接收器相比，所提出的FSRake接收器提供了更多的能量捕获。仿真结果表明，在误码率为10-5比特的情况下，与传统的Rake接收相比，所提出的FSRake接收在2BOK下提供了8 dB以上的信噪比增益

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Fractionally Spaced Selective Rake Reception for MBOK DS-UWB Systems

This paper proposes fractionally spaced selective Rake (FSRake) receiver for M-ary bi-orthogonal keying based direct sequence ultra wideband (MBOK DS-UWB) wireless systems. Conventional Rake receiver combines resolved matched filter outputs by sampling with pulse duration. In the proposed FSRake reception, matched filter output is sampled by the fractional duration of pulse. A certain number of strongest paths are combined among these sampled outputs. This proposed FSRake receiver provides more energy capture than conventional Rake receiver. Simulation results show that the proposed FSRake reception provides more than 8 dB SNR gain at the 10-5 bit error rate in comparison with the conventional Rake reception in 2BOK

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2006 International Symposium on Intelligent Signal Processing and Communications

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