Sum of gamma variates and performance of wireless communication systems over Nakagami-fading channels

Author

Alouini, Mohamed-Slim ; Abdi, Ali ; Kaveh, Mostafa

Author_Institution

Dept. of Electr. & Comput. Eng., Minnesota Univ., Minneapolis, MN, USA

Volume

50

Issue

6

fYear

2001

fDate

11/1/2001 12:00:00 AM

Firstpage

1471

Lastpage

1480

Abstract

Capitalizing on the Moschopoulos (1985) single gamma series representation of the probability density function (PDF) of the sum of gamma variates, we provide a PDF-based approach for the performance analysis of maximal-ratio combining and postdetection equal-gain combining diversity techniques as well as cochannel interference of cellular mobile radio systems over Nakagami (1960)-fading channels with arbitrary parameters. Aside from putting under the same umbrella many of the past results obtained via characteristic function (CF) or moment generating function (MGF)-based approaches, the proposed approach also allows the derivation of additional performance measures, which are harder to analyze via CF or MGF-based approaches

Keywords

cellular radio; cochannel interference; diversity reception; error statistics; fading channels; probability; series (mathematics); Moschopoulos single gamma series representation; Nakagami-fading channels; average BER; cellular mobile radio systems; characteristic function; cochannel interference; gamma series; gamma variates sum; maximal-ratio combining; moment generating function; performance analysis; performance measures; postdetection equal-gain combining diversity; probability density function; wireless communication systems; Bit error rate; Character generation; Diversity reception; Fading; Interchannel interference; Land mobile radio; Nakagami distribution; Performance analysis; Probability density function; Wireless communication;

fLanguage

English

Journal_Title

Vehicular Technology, IEEE Transactions on

Publisher

ieee

ISSN

0018-9545

Type

jour

DOI

10.1109/25.966578

Filename

966578