Performance Analysis of MRC Diversity for M - ary QAM Signals in Digital Land Mobile Communications


KIPS Transactions on Software and Data Engineering, Vol. 8, No. 3, pp. 359-366, Mar. 2001
10.3745/KIPSTC.2001.8.3.359, Full Text:

Abstract

In this paper, the error rate performance of M-ary Quadrature Amplitude Modulation (QAM) system is derived and analyzed for diversity reception using an -branch maximal ratio combining (MRC) in frequency-nonselective slow m-distributed fading land mobile channel. The multiple branch diversity systems are considered for the identical and the different diversity channel fading factors, respectively. When fading index is 1, the derived error rate expression leads to SER of M-ary QAM with MRC diversity in Rayleigh fading case. The derived results show the MRC diversity performances in terms of SER as a function of the SNR several values of L. A close inspection of results reveals that a significant improvement in performance is achieved as the order of L increases. The results presented are sufficiently general to offer a convenient method to evaluate the performance of digital land mobile QAM systems.


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Cite this article
[IEEE Style]
D. W. Yoon and B. H. Lee, "Performance Analysis of MRC Diversity for M - ary QAM Signals in Digital Land Mobile Communications," KIPS Journal C (2001 ~ 2012) , vol. 8, no. 3, pp. 359-366, 2001. DOI: 10.3745/KIPSTC.2001.8.3.359.

[ACM Style]
Dong Weon Yoon and Bong Hwan Lee. 2001. Performance Analysis of MRC Diversity for M - ary QAM Signals in Digital Land Mobile Communications. KIPS Journal C (2001 ~ 2012) , 8, 3, (2001), 359-366. DOI: 10.3745/KIPSTC.2001.8.3.359.