Composite Macroscopic and Microscopic Diversity of Sectorized Macrocellular and Microcellular Mobile Radio SystemsEmploying RAKE Receiver over Nakagami Fading Plus Lognormal Shadowing Channel

Authors:
Emad K. Al-Hussaini;Abdulaziz M. Al-Bassiouni;Hebatallah M. Mourad;Hamed Al-Shennawy
Affiliations:
Electronics and Communications Department, Faculty of Engineering, Cairo University, 12613 Giza, Egypt/ E-mail: emadh@alpha1.eng.Cairo.eun.eg;Electronics and Communications Department, Faculty of Engineering, Cairo University, 12613 Giza, Egypt;Electronics and Communications Department, Faculty of Engineering, Cairo University, 12613 Giza, Egypt;Electronics and Communications Department, Faculty of Engineering, Cairo University, 12613 Giza, Egypt
Venue:
Wireless Personal Communications: An International Journal
Year:
2002

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Abstract

This paper presents a generalized model of binary phase shift keying (BPSK) direct sequence code division multiple access (DS/CDMA) macrocellular and microcellular sectorized mobile radio systems over Nakagami fading plus lognormal shadowing channels. RAKE receiver, perfect and imperfect sectorization, voice activity monitoring, microscopic and composite microscopic plus macroscopic diversity are considered. The interrelationships among the number of interfering cells, sectorization degree, sectorization imperfection, voice activity factor, fading parameter, microscopic diversity degree, microscopic plus macroscopic diversity degree and the number of users are considered. Numerical results show that voice activity monitoring and sectorization can reduce multiple access interference (MAI). Furthermore, composite microscopic plus macroscopic diversity system can counteract the fast and slow fading components simultaneously.