NDLI: Design of Multilayer Coded Modulation for Nonergodic Block-Fading Channels

Content Provider	IEEE Xplore Digital Library
Author	Lu, B. Xiaodong Wang
Copyright Year	1972
Abstract	Multilayer coded modulation (MLyC) in single-antenna and multiple-antenna wireless fading channels is investigated. While the MLyC has been known to achieve ergodic fading channel capacity, the problem of interest here is to design practical and efficient MLyC for nonergodic block-fading channels. We develop a design methodology which maximizes the information rate of MLyC, subject to an upper bound on the decoding error probability. Moreover, we show that the MLyC performs closer to channel capacity when the overall diversity order of the channel is higher and proper spatial interleaving is employed. The relationship between the MLyC scheme and other transmission techniques, such as multilevel coded modulation and bit-interleaved coded modulation (BICM), is also discussed. It is shown through simulation examples that in realistic block-fading channels, the MLyC with practical coded modulation outperforms the BICM without turbo receiver iteration. We propose the MLyC as a promising alternative to BICM, especially when turbo iterative processing is not desired, e.g., for progressive layered media transmission
Starting Page	205
Ending Page	215
Page Count	11
File Size	1044741
File Format	PDF
ISSN	00906778
Volume Number	55
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Nonhomogeneous media Modulation coding Fading Channel capacity Interleaved codes Design methodology Information rates Upper bound Decoding Error probability successive decoding Bit-interleaved coded modulation (BICM) block fading diversity linear minimum mean-square error (LMMSE) low-density parity-check (LDPC) code multilayer coded modulation (MLyC) nonergodic multiple-input multiple-output (MIMO)
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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