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2012, vol. 4, br. 2, str. 78-82
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BER analysis of STBC codes for MIMO Rayleigh flat fading channels
(naslov ne postoji na srpskom)
Department of Applied Electronics and Information Engineering, Faculty of Electronics, Telecommunications and Information Technology, Politehnica University of Bucharest, Bucharest, Romania
e-adresa: lperisoara@yahoo.com
Ključne reči: bit error rate; maximum ratio combiner; receive diversity; space-time block codes; transmit diversity
Sažetak
(ne postoji na srpskom)
The paper presents the analysis of Space-Time Block Codes (STBC) used in Multiple-Input Multiple-Output (MIMO) systems to assure transmit diversity. The receive diversity is resolved with a Maximum Ratio Combining technique. For a fixed number of transmit antennas, the performances of different STBC codes are analyzed in terms of Bit Error Rate (BER) and diversity gain for a quasi-static Rayleigh flat fading channel. Finally, it is shown that by increasing the number of transmit/receive antennas, the system performances increase.
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