Analyses of Different Codes for QPSK Modulation in Satellite Communication

I. Bacic and K. Malaric (Croatia)


QPSK, Convolutional code, Golay code, Reed-Solomoncode, BER


In this paper, QPSK modulation is combined with Convolutional, Golay or Reed-Solomon coding and analysed in a satellite communication channel through the use of National Instrument’s LabVIEW Modulation Toolkit. This work first reviews the basic theory of QPSK modulation and coding. The simulation result is a BER versus /b oE N graph. It is shown that RS coded QPSK signal performs better then Golay or Convolutional coded and is therefore recommended in satellite communication.

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