Space-time turbo trellis coded modulation for wireless data communications

Authors:
Welly Firmanto;Branka Vucetic;Jinhong Yuan;Zhuo Chen
Affiliations:
School of Electrical and Information Engineering, The University of Sydney, Sydney, Australia;School of Electrical and Information Engineering, The University of Sydney, Sydney, Australia;School of Electrical Engineering and Telecommunications, The University of New South Wales, Sydney, NSW, Australia;School of Electrical and Information Engineering, The University of Sydney, Sydney, Australia
Venue:
EURASIP Journal on Applied Signal Processing
Year:
2002

Citing 4
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Abstract

This paper presents the design of space-time turbo trellis coded modulation (ST turbo TCM) for improving the bandwidth efficiency and the reliability of future wireless data networks. We present new recursive space-time trellis coded modulation (STTC) which outperform feedforward STTC proposed by Tarokh et al. (1998) and Baro et al. (2000) on slow and fast fading channels. A substantial improvement in performance can be obtained by constructing ST turbo TCM which consists of concatenated recursive STTC, decoded by iterative decoding algorithm. The proposed recursive STTC are used as constituent codes in this scheme. They have been designed to satisfy the design criteria for STTC on slow and fast fading channels, derived for systems with the product of transmit and receive antennas larger than 3. The proposed ST turbo TCM significantly outperforms the best known STTC on both slow and fast fading channels. The capacity of this scheme on fast fading channels is less than 3 dB away from the theoretical capacity bound for multi-input multi-output (MIMO) channels.