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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 52-476
Full Name: Dragana Krstiæ
Position: Doctor (Researcher)
Age: ON
Sex: Female
Address: Aleksandra Medvedeva 14, 18000 Niš
Country: YUGOSLAVIA
Tel: +381631045808
Tel prefix: +38118529225
Fax: +38118588399
E-mail address: dragana.krstic@elfak.ni.ac.rs
Other E-mails: dragana.krstic_elfak_ni@yahoo.com
Title of the Paper: Performance analysis of dual selection-based macrodiversity system over channels subjected to Nakagami-m fading and gamma shadowing
Authors as they appear in the Paper: Nikola Sekulovic, Edis Mekic, Dragana Krstic, Aleksandra Cvetkovic, Martina Zdravkovic, Mihajlo Stefanovic
Email addresses of all the authors: sekulani@gmail.com,emekic@np.ac.rs,dragana.krstic@elfak.ni.ac.rs,aleksandra321@gmail.com,martinaeco@yahoo.com, mihajlo.stefanovic@elfak.ni.ac.rs
Number of paper pages: 10
Abstract: This paper studies wireless communication system following microdiversity to mitigate the effects of short-term fading and macrodiversity processing to reduce shadowing effects. N-branch maximal-ratio combining (MRC) is implemented at the micro level (single base station) and selection combining (SC) with two base stations (dual diversity) is implemented at the macro level. Model in the paper assumes a Nakagami-m density function for the envelope of the received signal and a gamma distribution to model the average power to account for shadowing. Analytical expressions for the probability density function (PDF), cumulative distribution function (CDF) and moments of signal after micro- and macrodiversity processing are derived. These expressions are used to study important system performance criteria such as the outage probability, average bit error probability (ABEP), average output signal value and amount of fading (AoF). Various numerical results are graphically !
presented to illustrate the proposed mathematical analysis and to show the effects of various system parameters to the system performance, as well as enhancement due to use of the combination of micro- and macrodiversity.
Keywords: Gamma shadowing, Macrodiversity, Microdiversity, Nakagami-m fading
EXTENSION of the file: .doc
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