Performance analysis of modulation diversity with OSTBC transmission over Nakagami-m fading channels |
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| Institution: | 1. Informatics and Information Security Research Center (B?LGEM), Turkish Scientific and Technological Research Council (TÜB?TAK), 41470 Gebze, Kocaeli, Turkey;2. Department of Electronics Engineering, Gebze Institute of Technology, 41400 Gebze, Kocaeli, Turkey;1. Department of Biomedical Engineering, School of Life Science and Technology, Key Laboratory of Image Processing and Intelligent Control of Education Ministry of China, Huazhong University of Science and Technology, Wuhan 430074, China;2. School of Information Engineering, Nanchang Hangkong University, Nanchang 330063, China |
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| Abstract: | In this paper performance of modulation diversity with multiple-input multiple-output transmission is studied over flat Nakagami-m fading channels with arbitrary fading parameter m. In the system, orthogonal space-time block coding and maximal ratio combining like combiner are used for transmission and reception, respectively. Exact pairwise error probability expression is derived to observe performance of the system. Moreover, in order to obtain the diversity order of the system, asymptotic pairwise error probability expression is also derived. Optimum rotation angles are analytically obtained for binary and quadrature phase shift keying modulations. Theoretical results are validated by Monte Carlo simulations. |
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| Keywords: | Signal space diversity Orthogonal space-time block coding Maximal ratio combining Rotated constellation |
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