NDLI: Bit-Interleaved Coded OFDM With Signal Space Diversity: Subcarrier Grouping and Rotation Matrix Design

Content Provider	IEEE Xplore Digital Library
Author	Tran, N.H. Nguyen, H.H. Le-Ngoc, T.
Copyright Year	1991
Abstract	This paper investigates the application of bit-interleaved coded modulation and iterative decoding (BICM-ID) in orthogonal-frequency-division-multiplexing (OFDM) systems with signal space diversity (SSD) over frequency-selective Rayleigh-fading channels. Correlated fading over subcarriers is assumed. At first, a tight bound on the asymptotic error performance for the general case of precoding over all N subcarriers is derived and used to establish the best achievable asymptotic performance by SSD. It is then shown that precoding over subgroups of at least L subcarriers per group, where L is the number of channel taps, is sufficient to obtain this best asymptotic error performance, while significantly reducing the receiver complexity. The optimal joint subcarrier grouping and rotation matrix design is subsequently determined by solving the Vandermonde linear system. Illustrative examples show a good agreement between various analytical and simulation results
Sponsorship	IEEE Signal Processing Society
Starting Page	1137
Ending Page	1149
Page Count	13
File Size	769363
File Format	PDF
ISSN	1053587X
Volume Number	55
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interleaved codes Signal design Modulation coding OFDM modulation Iterative decoding Frequency diversity Rayleigh channels Fading Linear systems Analytical models signal space diversity (SSD) Bit-interleaved coded modulation frequency- selective fading iterative decoding orthogonal frequency-division multiplexing (OFDM) performance bound
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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