Adaptive modulation with space-time block coding for MIMO-OFDM systems

Lin, K, Mahmoud, S and Hussain, Z 2005, 'Adaptive modulation with space-time block coding for MIMO-OFDM systems', in X. He et al (ed.) Proceedings of the Third International Conference on Information Technology and Applications, Sydney, Australia, 4-7 July 2005, pp. 299-304.


Document type: Conference Paper
Collection: Conference Papers

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Title Adaptive modulation with space-time block coding for MIMO-OFDM systems
Author(s) Lin, K
Mahmoud, S
Hussain, Z
Year 2005
Conference name International Conference on Information Technology and Applications
Conference location Sydney, Australia
Conference dates 4-7 July 2005
Proceedings title Proceedings of the Third International Conference on Information Technology and Applications
Editor(s) X. He et al
Publisher IEEE
Place of publication Sydney, Australia
Start page 299
End page 304
Total pages 6
Abstract Space-time block coding (STBC) scheme has proved to be efficient in enhancing the performance of communication systems in terms of both bit-error-rate (BER) and symbol-error-rate (SER). Adaptive bit and power allocation (ABPA), on the other hand, is an adaptive modulation scheme that assigns an optimum symbol constellation and power to all subcarriers in a multi-carrier system to improve spectral and power efficiency. In this work, we combine a lookup matrix based ABPA algorithm with subchannel grouping (LM-SG-ABPA) and STBC for orthogonal frequency division multiplexing (OFDM) systems to further enhance the performance and support high data rate applications. Numerical results showed that the proposed transmission structure achieves not only a significantly higher spectral and power efficiency over systems that do not employ any ABPA schemes, but also a better error probability performance in a multiple-input multiple-output (MIMO) channel
Subjects Communications Technologies not elsewhere classified
Coding and Information Theory
Signal Processing
DOI - identifier 10.1109/ICITA.2005.53
Copyright notice © 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
ISBN 0-7695-2316-1
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