Title :
Error Rate of Quadrature Subbranch Hybrid Selection/ Maximal-Ratio Combining in Rayleigh Fading
Author :
Zhang, Xiaodi ; Beaulieu, Norman C.
Author_Institution :
Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta.
Abstract :
The symbol-error rate (SER) of a quadrature subbranch hybrid selection/maximal-ratio combining (QBHS/MRC) scheme for 1-D modulations in Rayleigh fading is examined. At the receiver, N diversity branches are split into 2N in-phase and quadrature subbranches. Traditional hybrid selection/maximal-ratio combining (H-S/MRC) is then applied over the 2N subbranches. M-ary pulse amplitude modulation, including coherent binary phase-shift keying, with QBHS/MRC is studied. The SER performances of QBHS/MRC and H-S/MRC are compared. Results show that QBHS/MRC systems outperform traditional H-S/MRC systems
Keywords :
Rayleigh channels; diversity reception; phase shift keying; pulse amplitude modulation; M-ary pulse amplitude modulation; Rayleigh fading; binary phase-shift keying; diversity branches; in-phase subbranches; maximal-ratio combining; quadrature subbranch hybrid selection; quadrature subbranches; symbol-error rate; Baseband; Cultural differences; Diversity reception; Error analysis; Gaussian noise; Maximum likelihood estimation; Phase estimation; Pulse modulation; Rayleigh channels; Signal processing; Diversity combining; error rate; fading channel; hybrid selection/maximal-ratio combining (H-S/MRC);
Journal_Title :
Communications, IEEE Transactions on
DOI :
10.1109/TCOMM.2006.888522
