NDLI: Parallel concatenated turbo codes for continuous phase modulation

Content Provider	IEEE Xplore Digital Library
Author	Shane, M.R. Wesel, R.D.
Copyright Year	2000
Description	Author affiliation: Aerosp. Corp., El Segundo, CA, USA (Shane, M.R.)
Abstract	There are several ways to use iterative decoding techniques with coded continuous phase modulation (CPM). This paper presents a method using parallel concatenation of convolutionally-coded CPM. All CPM schemes can be decomposed into a ring convolutional code and a memoryless signal mapper. This allows a properly designed convolutional code trellis to be combined with the CPM trellis, producing the joint trellis of a constituent code. Parallel concatenation of such constituent codes combined with iterative decoding yields very good performance. We present the results of code searches for two binary CPM schemes, each using bit interleaving and symbol interleaving. Simulation results using various length interleavers are also provided. Low complexity encoders are shown to perform better using bit interleaving, whereas encoders with higher complexity perform better with symbol interleaving.
Starting Page	147
Ending Page	152
File Size	597007
Page Count	6
File Format	PDF
ISBN	0780365968
ISSN	15253511
DOI	10.1109/WCNC.2000.904617
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-09-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Concatenated codes Turbo codes Continuous phase modulation Convolutional codes Iterative decoding Convolution Interleaved codes Modulation coding Signal mapping Aerospace engineering
Content Type	Text
Resource Type	Article

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