Friday, September 3, 2010

9/3/2010

The following topics were discussed.
  • Frequency shift keying.
  • Minimum frequency separation for orthogonality: 1/T (low pass), 1/(2T) (bandpass).
  • Bandwidth efficiency of FSK compared to PSK, QAM.
  • Receiver structure for optimal (coherent and noncoherent) detection of FSK transmitted over AWGN channel.

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