Title :
Rural communications in multi-path channels: Spread spectrum applications
Author :
van de Groenendaal, J.G. ; Braun, R.M.
Author_Institution :
Dept. of Electr. Eng., Cape Town Univ., Rondebosch, South Africa
Abstract :
All radio communications occur in channels that have definite multipath characteristics. Two effects that are predominant in such a model, depending on the delay relative to the bit period, are Inter Symbol Interference (ISI) and fading. In this paper ISI is investigated in greater detail and the theoretical error performance for BPSK in a multi-path channel is derived. It is also shown how spread spectrum improves the error performance of BPSK without a “rake” receiver in such an environment and the selection of parameters of spread spectrum to maximize error performance is briefly discussed
Keywords :
intersymbol interference; multipath channels; phase shift keying; pseudonoise codes; radiofrequency interference; spread spectrum communication; BPSK; ISI; bit period; error performance; multipath channels; multipath characteristics; radio communications; rural communication; spread spectrum; Attenuation; Binary phase shift keying; Degradation; Delay; Fading; Frequency; Mobile communication; Reflection; Scattering; Spread spectrum communication;
Conference_Titel :
Communications and Signal Processing, 1993., Proceedings of the 1993 IEEE South African Symposium on
Conference_Location :
Jan Smuts Airport
Print_ISBN :
0-7803-1292-9
DOI :
10.1109/COMSIG.1993.365851
