High-rate complex orthogonal space-time block codes for high number of transmit antennas

Author

Xu, Changlong ; Gong, Yi ; Letaief, Khaled

Author_Institution

Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore

Volume

2

fYear

2004

fDate

20-24 June 2004

Firstpage

823

Abstract

Based on orthogonal designs, space-time (ST) block codes that enable full diversity as well as a simple maximum likelihood (ML) decoding algorithm at the decoder can be constructed for more than two transmit antennas. For real constellations (such as PAM), ST block codes with transmission rate 1 can be designed from the real Hurwitz-Radon families for any number of transmit antennas. However, for complex constellations (such as M-PSK or M-PAM), ST block codes for more than two transmit antennas can only be constructed with rates less than 1. Previous attempts have been concentrated on complex orthogonal designs that provide ST block codes with full diversity and high transmission rates. In this paper, we present two rate 2/3 complex ST block codes from orthogonal designs for five and six transmit antennas, respectively.

Keywords

antenna arrays; block codes; diversity reception; maximum likelihood decoding; space-time codes; transmitting antennas; Hurwitz-Radon families; maximum likelihood decoding; orthogonal space-time block codes; transmission rate; transmit antennas; Algorithm design and analysis; Block codes; Code standards; Design engineering; Fading; Maximum likelihood decoding; Multiaccess communication; Receiving antennas; Space technology; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, 2004 IEEE International Conference on

Print_ISBN

0-7803-8533-0

Type

conf

DOI

10.1109/ICC.2004.1312616

Filename

1312616