Performance Analysis Of Coded Sfh-Ssma Communication Systems Over Mui Channel With No Side Information
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This paper presents the performance analysis of a Slow Frequency Hopped Spread Spectrum Multiple Access (SFH-SSMA) communication system under conditions of Multiple Users Interference (MUI) over a communication channel with no side information. Reed Solomon (RS) code with error models characterized by probability of error for decoding are employed along with an orthogonal M-ary frequency shift keying (MFSK) modulation scheme, and a non-coherent demodulation. The tradeoff between selected communication system parameters; RS code rate (r), number of frequency slots (q) available in the frequency hopping pattern, and modulation alphabet size (M) are considered and analyzed. Incomplete Beta function approximation and Gaussian random variable approximation methods are used in the analytical model. The simulation and analytical results show that a significant improvement of the channel normalized throughput can be achieved on the expense of minimal RF bandwidth expansion factor for a given active users (k).
- Engineering Journal of Qatar University - [From 1988 TO 2005] [221 items ]