digital communication unit 3

28
Binary Phase-Shift Keying

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Page 1: Digital Communication Unit 3

Binary Phase-Shift Keying

Page 2: Digital Communication Unit 3
Page 3: Digital Communication Unit 3

GENERATION AND DETECTION OF BPSK

Page 4: Digital Communication Unit 3

ERROR PROBABILITY OF BPSK

Page 5: Digital Communication Unit 3
Page 6: Digital Communication Unit 3

POWER SPECTRA OF BPSK

Page 7: Digital Communication Unit 3

QUADRIPHASE SHIFT KEYING

Page 8: Digital Communication Unit 3
Page 9: Digital Communication Unit 3

QPSK WAVEFORMS

Page 10: Digital Communication Unit 3

GENERATION OF QPSK SIGNALS

Page 11: Digital Communication Unit 3

DETECTION OF QPSK SIGNALS

Page 12: Digital Communication Unit 3

ERROR PROBABILITY OF QPSK

Page 13: Digital Communication Unit 3

POWER SPECTRA OF QPSK SIGNALS

Page 14: Digital Communication Unit 3

OFFSET QPSK

Fig. Possible paths for switching between the message points in (a) QPSK and (b) offset QPSK.

Page 15: Digital Communication Unit 3

Binary FSK system

Page 16: Digital Communication Unit 3
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MINIMUM SHIFT KEYING (concept)

Page 19: Digital Communication Unit 3
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Phase trellis

Page 21: Digital Communication Unit 3

Fig.: Phase trellis boldfaced path represents the sequence 1101000.

Page 22: Digital Communication Unit 3

MINIMUM SHIFT KEYING

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MSK TRANSMITTER

Page 28: Digital Communication Unit 3

MSK RECEIVER