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ACI Avances en Ciencias e Ingenierías

SECTION C: ENGINEERING

Vol. 7 No. 2 (2015)

Co-channel Interference Effects on the Bit Error Rate of Spatial Multiplexing Systems

DOI
https://doi.org/10.18272/aci.v7i2.263
Submitted
January 22, 2016
Published
2015-12-30

Abstract

In this paper, the performance of spatial multiplexing (SM) system is investigated in a Rayleigh fading channel limited by co-channel interference (CCI). At first, an expression of the mean bit error rate (BER) for SM system with BPSK and QPSK modulation as a function of the signal-to-noise per bit ratio (Eb/N0), and the signal-to-interference power ratio (SIR) is obtained, by considering one prevailing co-channel interference. Validation of the analytical expressions is done by Monte Carlo simulation. The results show that CCI causes a significant degradation on the BER, which vary according to the SIR. The results obtained in this paper, can be applied to a SM cellular network with different number of transmit antennas.

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