EXIT charts for turbo trellis-coded modulation
Hangjun Chen
Haimovich, A.
Dept. of Electr. & Comput. Eng., New Jersey Inst. of Technol., Newark, NJ, USA;
This paper appears in: Communications Letters, IEEE
Publication Date: Nov. 2004
Volume: 8,
Issue: 11
On page(s): 668- 670
ISSN: 1089-7798
INSPEC Accession Number: 8202064
Digital Object Identifier: 10.1109/LCOMM.2004.837643
Current Version Published: 2004-11-22
Abstract
In this letter, we extend the previously proposed extrinsic information transfer charts (EXIT) method to the analysis of the convergence of turbo codes to turbo trellis-coded modulation (TTCM) schemes. The effectiveness of the proposed method is demonstrated through examples. The proposed method provides a convenient way to systematically compare between schemes and thus can be used as a tool in the design of TTCM.
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