NDLI: Low-Complexity Iterative Coherent Detection for Differentially Encoded MPSK

Content Provider	IEEE Xplore Digital Library
Author	Zhang, Jun Li, Jing Peng, Hua
Copyright Year	2008
Abstract	In this paper, a low-complexity power-efficient iterative detection scheme for differentially encoded MPSK transmission over AWGN and Rayleigh fading channels is presented. As the main contribution, a novel APP coherent demodulator, which well suits for iterative processing, is derived under the optimal bit-based MAP criterion. The implementation of iteration is not trellis-based, and needn’t reconstruct those transmitted symbols, but only independent coded bits are considered. We further provide performance comparison with other accepted soft demodulators, namely BCJR-type, MSDD, DF-DM and traditional differential detection, in terms of complexity analysis and Monte Carlo simulation. More practically, an image is also treated as information source and tested in the end. All results show that it is a right tradeoff, especially in the low SNR operation region.
Starting Page	23
Ending Page	28
File Size	358205
Page Count	6
File Format	PDF
ISBN	9780769531199
DOI	10.1109/CISP.2008.528
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Convolutional codes Bit error rate Signal processing algorithms Signal processing Iterative algorithms Performance analysis Phase detection Iterative decoding Demodulation
Content Type	Text
Resource Type	Article

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