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Performance analysis of MIMO-MRC system in the presence of multiple interferers and noise over rayleigh fading channels

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1 Author(s)
Kyung Seung Ahn ; Digital Media & Commun. R&D Center, Samsung Electron., Suwon, South Korea

In this paper, we analyze the performance of multiple-input multiple-output (MIMO) wireless communication links with transmit beamforming and maximum ratio combining (MRC), known as MIMO-MRC, in the presence of multiple interferers and noise over Rayleigh fading channels. First, exact closed-form expressions for the signal-to-noise-plus-interference-ratio (SINR) distribution are calculated, along with the outage probability of the SINR, and the moment generating function (MGF) of the SINR. Second, upper bound and approximation of the average symbol error rate (SER) for pulse amplitude modulation (PAM), quadrature amplitude modulation (QAM), and phase shift keying (PSK) with M-ary signaling are evaluated by using the MGF of the SINR. Third, an exact closed-form expression of the average SER for some modulation formats is derived. Finally, the analytical results are confirmed by numerical simulations.

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Wireless Communications, IEEE Transactions on  (Volume:8 ,  Issue: 7 )