NDLI: Belief Propagation over MIMO Frequency Selective Fading Channels

Content Provider	IEEE Xplore Digital Library
Author	Kaynak, M.N. Duman, T.M. Kurtas, E.M.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. Eng., Arizona State Univ., Tempe, AZ (Kaynak, M.N.; Duman, T.M.)
Abstract	In this paper, we propose an iterative belief propagation (BP) detector over multiple-input multiple-output (MIMO) frequency selective fading channels as an alternative to the typically used maximum a-posteriori (MAP) or Viterbi detectors. Unlike the trellis based detectors having serial structure, the proposed detector has the advantage of having a parallel structure, resulting in more efficient and fast hardware implementations. Moreover, BP detector is less complicated than the MAP detector and it has a short decoding delay which is essential for reduced memory requirements. Via simulations we show that, over frequency selective fading channels, the proposed BP detector achieves a near-optimal performance, even in the presence of the length 4 cycles in the channel factor graph
Starting Page	45
Ending Page	45
File Size	144856
Page Count	1
File Format	PDF
ISBN	0769524508
DOI	10.1109/ICAS-ICNS.2005.29
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-23
Publisher Place	French Polynesia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Maximum a posteriori estimation Viterbi algorithm Detectors Frequency MIMO Hardware Decoding Delay Belief propagation
Content Type	Text
Resource Type	Article

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