Digital Communication 6th SEM ETC

1. Binary Phase-Shift Keying

3. GENERATION AND DETECTION OF
BPSK

4. ERROR PROBABILITY OF BPSK

6. POWER SPECTRA OF BPSK

7. QUADRIPHASE SHIFT KEYING

9. QPSK WAVEFORMS

10. GENERATION OF QPSK SIGNALS

11. DETECTION OF QPSK SIGNALS

12. ERROR PROBABILITY OF QPSK

13. POWER SPECTRA OF QPSK SIGNALS

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

15. Binary FSK system

18. MINIMUM SHIFT KEYING (concept)

20. Phase trellis

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

22. MINIMUM SHIFT KEYING

27. MSK TRANSMITTER

28. MSK RECEIVER