Performance analysis of MC DS-CDMA with generalized selection combining over land mobile satellite communication channels

Document Type : Original Article

Authors

Military Technical College, Kobry El-Koppa, Cairo, Egypt.

Abstract

ABSTRACT
Two classes of multicarrier direct sequence code-division multiple-access are defined,
namely Multi-tone DS-CDMA and Orthogonal multicarrier DS-CDMA. Their
performances are considered over land mobile satellite communication channel with M
branches of total L branches available diversity using generalized selection combining
technique GSC(M,L). The average bit error rate for the two classes are investigated and
compared using coherent binary phase shift keying modulation. It is assumed that the
channel consists of Nakagami distributed shadowed line-of-sight signal plus Rayleigh
distributed multipath signals. Using measured channel parameters, the performance is
evaluated for light, average and heavy shadowing and fading environments.

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