Some super-orthogonal space-time trellis codes based on non-PSK MTCM

Aijun Song; Genyuan Wang; Xiang Gen Xia

doi:10.1109/TWC.2005.847110

Some super-orthogonal space-time trellis codes based on non-PSK MTCM

Aijun Song^*, Genyuan Wang, Xiang Gen Xia

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Super-orthogonal space-time trellis codes recently proposed in the literature are space-time trellis codes of full diversity and high rates systematically constructed by concatenating orthogonal space-time codes and multiple trellis coded modulation (MTCM). However, the existing MTCM only has designs for phase-shift keying (PSK) signals. In this paper, MTCM is extended from PSK signals to non-PSK signals in some special cases. With obtained constellations of MTCM, several super-orthogonal space-time trellis codes for two transmit antennas are presented. The 2- and 4-state codes have a simple mathematical expression for the coding gain distance (CGD), or diversity products. At rates 2.5, 3, 3.5, 4 bits/s/Hz, the newly proposed codes outperform the existing ones.

Original language	English
Pages (from-to)	1214-1221
Number of pages	8
Journal	IEEE Transactions on Wireless Communications
Volume	4
Issue number	3
DOIs	https://doi.org/10.1109/TWC.2005.847110
Publication status	Published - May 2005
Externally published	Yes

Keywords

Alamouti's scheme
Coding gain distance (CGD)
Lattices
Multiple trellis coded modulation (MTCM)
Orthogonal design
Space-time trellis codes

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10.1109/TWC.2005.847110

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abstract = "Super-orthogonal space-time trellis codes recently proposed in the literature are space-time trellis codes of full diversity and high rates systematically constructed by concatenating orthogonal space-time codes and multiple trellis coded modulation (MTCM). However, the existing MTCM only has designs for phase-shift keying (PSK) signals. In this paper, MTCM is extended from PSK signals to non-PSK signals in some special cases. With obtained constellations of MTCM, several super-orthogonal space-time trellis codes for two transmit antennas are presented. The 2- and 4-state codes have a simple mathematical expression for the coding gain distance (CGD), or diversity products. At rates 2.5, 3, 3.5, 4 bits/s/Hz, the newly proposed codes outperform the existing ones.",

keywords = "Alamouti's scheme, Coding gain distance (CGD), Lattices, Multiple trellis coded modulation (MTCM), Orthogonal design, Space-time trellis codes",

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Some super-orthogonal space-time trellis codes based on non-PSK MTCM

Abstract

Keywords

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