BER Performance of Rectangular QAM with MRC over Nakagami-n Fading Channels

Jung Seok LIM  Kwangmin HYUN  Dongweon YOON  Sang Kyu PARK  

IEICE TRANSACTIONS on Communications   Vol.E88-B    No.4    pp.1697-1701
Publication Date: 2005/04/01
Online ISSN: 
DOI: 10.1093/ietcom/e88-b.4.1697
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
QAM,  Nakagami-n fading,  MRC,  bit error probability,  

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We derive and analyze a bit error rate (BER) expression of a Gray coded rectangular QAM (R-QAM) signal with maximal ratio combining (MRC) diversity reception over Nakagami-n (Rician) fading channels. The derived result is provided in terms of the Whittaker function and the confluent hypergeometric function. Because the derived expression is general, it can readily allow numerical evaluation for various cases of practical interest such as line-of-sight (LOS) or satellite communication channel analysis.