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Adaptive Modulation for MIMO OFDM Systems over Rayleigh Fading Channel.

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.3, No. 4)

Publication Date:

Authors : ; ;

Page : 3066-3072

Keywords : MIMO OFDM;

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This paper presents the design and performance analysis of MIMO antennas for wireless communication systems. The 2x2 MIMO system process applies an adaptive approach in order to reduce the impact of wireless channel impairments such as multipath fading. The MIMO system was applied in AWGN and single Rayleigh fading channel that uses modulation schemes to simulate the BER performance in MIMO system and finally compares BER results with fixed and adaptive modulation schemes.This adaptive modulation technique gives a better trade off between the BER and SNR conditions. Performance have been evaluated under fading effects. Matlab has been used to simulate this wireless system under wimax standards

Last modified: 2014-05-10 22:45:13