Constellation Shaping using Turbo Trellis-Coded Modulation

Author

Bassou, A. ; Djebbari, Ali ; Benaissa, M.

Author_Institution

Telecommun. & Digital Signal Process. Lab., Djillali Liabes Univ., Sidi Bel Abbes, Algeria

fYear

2012

Firstpage

263

Lastpage

268

Abstract

This work presents the simulation results of the performances of Turbo Trellis-Coded Modulation (TTCM) using Constellation Shaping (CS). The proposed method consists on increasing the constellation order and selecting only the most significant constellation points in order to increase the Euclidean free distance (d_f) of the entire encoding scheme. These performances were investigated over Additive White Gaussian Noise (AWGN) channel and Memoryless Rayleigh Fading (MRF) channel using Space-Time Block Coding (STBC) diversity technique.

Keywords

AWGN channels; Rayleigh channels; channel coding; space-time block codes; trellis coded modulation; turbo codes; AWGN; Euclidean free distance; STBC; TTCM; additive white Gaussian noise channel; constellation order; constellation points; constellation shaping; encoding scheme; memoryless Rayleigh fading channel; space-time block coding diversity; turbo trellis-coded modulation; AWGN channels; Channel coding; Decoding; Iterative decoding; Quadrature amplitude modulation; Constellation Shaping (CS); Log-Maximum A Posteriori (Log-MAP) decoding algorithm; Multiple Input Multiple Output (MIMO) channel; Space-Time Block Code (STBC); Turbo Trellis-Coded Modulation using Constellation Shaping (TTCM-CS);

fLanguage

English

Publisher

ieee

Conference_Titel

Sciences of Electronics, Technologies of Information and Telecommunications (SETIT), 2012 6th International Conference on

Conference_Location

Sousse

Print_ISBN

978-1-4673-1657-6

Type

conf

DOI

10.1109/SETIT.2012.6481926

Filename

6481926