Mutual information assessment of LOS MIMO systems with reconfigurable antenna arrays |
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| Authors: | GAO Jun-jun ZHANG Jian-hua TAO Xiao-feng |
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| Affiliation: | [1]Science and Technology on Information Systems Engineering Laboratory, Beijing 100038, China [2]Wireless Technology Innovation Institute, Beijing University of Posts and Telecommunications, Beijing 100876, China [3]Key Laboratory of Universal Wireless Communication, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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| Abstract: | In presence of line-of-sight (LOS) propagation, multiple-input multiple-output (MIMO) systems can achieve maximum capacity over the whole signal-to-noise ratio (SNR) region by deploying reconfigurable antenna arrays. In this paper, the moment generating function (MGF) formulas of the mutual information (MI) is obtained for LOS MIMO systems with reconfigurable arrays. Then the exact expression of the mean MI is derived in an easily evaluated form. The results show an excellent match between the theoretical curves and the Monte-Carlo simulations. |
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| Keywords: | multiple-input multiple-output line-of-sight mutual information reconfigurable antenna array Wishart |
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