Investigation on the effect of various dithers in a noisy communication channel

Author

Sinha, A.K. ; Chadha, Prem R.

Author_Institution

Dept. of Electr. Eng., Delhi Coll. of Eng., India

fYear

1989

fDate

22-24 Nov 1989

Firstpage

924

Lastpage

927

Abstract

The performance of a polarity coincidence correlator with various dithers in the presence of noise is investigated. The dithers considered are of (1) the uniform type, (2) the sinusoidal type, (3) the Gaussian type, (4) the exponential type, (5) the Rayleigh type, and (6) of the rectangular type. The peak dither voltage is adjusted to be a factor `g´ of the interference peak, and SNRs (signal to noise ratios) in comparison with that of a classical correlator are plotted as a function of g. It is shown that in the presence of Gaussian noise it is best to use an exponential dither at g=1.6

Keywords

correlators; interference (signal); telecommunication channels; Gaussian dither; Gaussian noise; Rayleigh dither; SNR; exponential dither; interference peak; noisy communication channel; peak dither voltage; polarity coincidence correlator; rectangular dither; signal to noise ratios; sinusoidal dither; uniform dither; Communication channels; Correlators; Educational institutions; Gaussian noise; Interference; Phase modulation; Quantization; Signal processing; Signal to noise ratio; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

TENCON '89. Fourth IEEE Region 10 International Conference

Conference_Location

Bombay

Type

conf

DOI

10.1109/TENCON.1989.177082

Filename

177082