MIMO Techniques in Wireless Communications Systems - the Basics for E-learning Technology Implementation
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tapchikhgkdt@hcmute.edu.vnKeywords:
Wireless communications, Information and Communication Technologies, MIMO techniques, e-learning technologiesAbstract
Nowadays wireless communications has been studied and developed very fast in all over the world and is the basics of e-learning technologies for improving the quality of education and extending its reach to broader audiences. This paper introduces an effective approach for increasing capacity and speed of a wireless
communication system – application of MIMO techniques (multiple-input multiple-output) used in Wireless LAN (IEEE 802.11n) and WiMAX (IEEE 802.16) focusing on the procedure of modelling a MIMO channel. A Matlab program developed by the authors is presented to calculate correlation matrix of the channel according to three
types of Power Azimuth Spectrum in one-cluster and multiple-cluster propagation cases.
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References
. David Tse “Fundamentals of Wireless Communication”, University of California, Berkeley & Pramod Viswanath, University of Illinois, Urbana-Champaign, September 10, 2004.
. Oestges C., Erceg V., Paulraj A.J. “A physical scattering model for MIMO macrocellular broadband wireless channels”, IEEE Journal on Selected Areas in Communications, Volume 21, Issue 5, June 2003, pp.721 – 729
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. Luo Z., Gao H., Liu Y. “Adaptive Transmission with Linear Computational Complexity in MIMO-OFDM Systems”, IEEE Trans on Communications, Volume 55, Issue 10, October 2007, pp.1873-1877.
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