用于8-PSK EDGE接收机的高效降低状态DDFSE均衡器

2011 International Conference on Communications and Information Technology (ICCIT) Pub Date : 2011-03-29 DOI:10.1109/ICCITECHNOL.2011.5762696

M. Jamalabdollahi, S. Salari

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引用次数: 1

摘要

研究了一种新的8-PSK EDGE系统的均衡化和符号检测方法。这个问题的确切解决方案，最大似然序列估计(MLSE)对于实际目的来说过于复杂，但是该方法引入了一个新版本的延迟决策反馈序列估计(DDFSE)均衡器，它具有更低的复杂性和完全可与完整DDFSE媲美的性能。仿真结果表明，在瑞利多径衰落信道下，该方法与DDFSE方法和低复杂度方法进行了比较。最后一步，我们展示了基于接收硬件中接收数据包的方法在处理接收帧所需的时间和误码率之间的权衡。

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Efficient reduced state DDFSE equalizer for 8-PSK EDGE receiver

New method for equalization and symbol detection for 8-PSK EDGE system is investigated in this study. The exact solution to this problem, Maximum Likelihood Sequence Estimation (MLSE) turns out to be too complex for practical purposes, but this method introduce a new version of Delayed Decision Feedback Sequence Estimation (DDFSE) equalizer that has less complexity and totally comparable performance with complete DDFSE. Simulation results compare our method with DDFSE and lower complexity methods over Rayleigh multipath fading channel. For final step we show the efficiency of our method based on received packet in receiver hardware in trade off between time that each algorithm needs for process a received frame and BER.

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2011 International Conference on Communications and Information Technology (ICCIT)

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