Quadrature sub-branch hybrid selection/maximal-ratio combining

Xiaodi Zhang Xiaodi Zhang,N.C Beaulieu

doi:10.1109/wcnc.2004.1311311

Quadrature sub-branch hybrid selection/maximal-ratio combining

Xiaodi Zhang Xiaodi Zhang, N.C Beaulieu

https://doi.org/10.1109/wcnc.2004.1311311

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Publication Date: Mar 21, 2004

Citations: 5

Affiliation: University of Alberta

#Hybrid Selection/maximal-ratio Combining #Coherent Binary Phase Shift Keying + Show 8 more

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Abstract

A quadrature sub-branch hybrid selection/maximal-ratio combining (QBHS/MRC) scheme for one-dimensional modulations in Rayleigh fading is proposed. At the receiver, N diversity branches are split into 2N in-phase and quadrature sub-branches. Traditional hybrid selection/maximal-ratio combining (H-S/MRC) is then applied over the 2N sub-branches. The symbol error rate (SER) of M-ary pulse amplitude modulation (PAM), including coherent binary phase shift keying (BPSK), with QBHS/MRC is derived. The mean output signal-to-noise ratio (SNR) of a QBHS/MRC combiner is given. The performances of QBHS/MRC and H-S/MRC are compared. Results show that QBHS/MRC systems outperform traditional H-S/MRC systems.

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