NDLI: EXIT chart analysis of turbo decodulation

Content Provider	IEEE Xplore Digital Library
Author	Clevorn, T. Braucrs, J. Adrat, M. Vary, P.
Copyright Year	2005
Description	Author affiliation: Inst. of Commun. Syst. & Data Process., RWTH Aachen Univ. (Clevorn, T.)
Abstract	Turbo decodulation is the combination of iterative demodulation and iterative source-channel decoding to a single multiple turbo process. The receiver structures of bit-interleaved coded modulation with iterative decoding (BICM-ID), iterative source-channel decoding (ISCD), and iterative source coded modulation (ISCM) are merged to one novel turbo system, in which in two iterative loops reliability information is exchanged between the three single components, demodulator, channel decoder, and (softbit) source decoder. Simulations show quality improvements compared to the different previously known systems, which use iterative processing only for two components of the receiver. We propose the enhancement to turbo decodulation by an additional link for a direct supply of reliabilities from the softbit source decoder to the demodulator. We will demonstrate that using three-dimensional EXIT charts a convergence analysis of turbo decodulation similar to single turbo processes is possible
Starting Page	711
Ending Page	715
File Size	3188424
Page Count	5
File Format	PDF
ISBN	9783800729098
DOI	10.1109/PIMRC.2005.1651535
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-11
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Iterative decoding Demodulation Modulation coding Interleaved codes Convergence Channel coding Computational complexity Redundancy Baseband Data processing
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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