NDLI: Differential space-time block codes from amicable orthogonal designs

Content Provider	IEEE Xplore Digital Library
Author	Zhonglin Chen Guangxi Zhu Jing Shen Yingzhuang Liu
Copyright Year	2003
Description	Author affiliation: Dept. of Electron. & Inf. Eng., Huazhong Univ. of Sci. & Technol., China (Zhonglin Chen; Guangxi Zhu; Jing Shen; Yingzhuang Liu)
Abstract	In this paper, we propose an amicable-orthogonal-design-based differential space-time block code (ADSTBC) for multiple antennas. Compared with the existing differential modulation designs, our scheme imposes no restrictions on underlying signal constellation, and therefore can improve the spectral efficiency by exploiting efficient modulation techniques such as QAM, APSK, etc. We then derive a non-coherent maximum-likelihood decoder (MLD) with linear complexity for flat Rayleigh fading channels. Particularly, when the QAM constellation is used in ADSTBC, MLD can be further simplified to independently detect the real and imaginary parts of each modulated data symbol, and accordingly the implement cost can be greatly reduced; moreover, the computational amount for detecting single modulated data symbol is kept constant in MLD while the order of the QAM constellation increases.
Starting Page	768
Ending Page	772
File Size	400386
Page Count	5
File Format	PDF
ISBN	0780377001
ISSN	15253511
DOI	10.1109/WCNC.2003.1200467
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-03-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Block codes Modulation coding Receiving antennas Maximum likelihood decoding Fading Quadrature amplitude modulation Transmitting antennas Maximum likelihood detection Constellation diagram Maximum likelihood estimation
Content Type	Text
Resource Type	Article

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