Techniques for Reducing the Complexity of Viterbi Detector
This paper presents two detectors used to tackle intersymbol interference introduced by the communication channels. These two detectors are based on combination of nonlinear equalizer and Viterbi detector. The first detector, which was previously developed, is named Combined Detector-1(CDR1), while, the second detector, which is the contribution of this paper, is named Combined Detector-2(CDR2). These detectors are tested beside nonlinear equalizer using data transmission at 9.6 kb/s over telephone channel. Simulation results show that the performance of CDR2 is better than the performance of CDR1 while the performance of CDR1 is better than the performance of nonlinear equalizer.
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