1. Digital Modulation Schemes

3. transmitter
receiver

4. Transmission

5. Modulation

6. Amplitude Modulation

7. Double Sideband Spectrum
Fig. 3.2

11. QPSK modulation
Fig. 2.16

14. In Practice

19. RZ and NRZ Line Codes & spectra
Fig. 2.11

20. Nyquist Pulses for zero-ISI
Fig. 2.12

21. Raised Cosine Spectrum
Fig. 2.13

22. Spectrum of Raised Cosine pulse
Fig. 2.13

23. Raised Cosine pulses
Fig. 2.14

24. RF signal using Raised Cosine
Fig. 2.15

25. Gaussian pulse-shapes
Fig. 2.16

26. Virtue of pulse shaping
Fig. 2.16

27. BPSK constellation
Fig. 2.16

28. BPSK Coherent demodulator
Fig. 2.16

29. QPSK receiver
Fig. 2.16

30. FSK Coherent Detection
Fig. 2.16

31. Noncoherent FSK
Fig. 2.16

32. MSK modulation
Fig. 3.2

33. MSK reception

34. Minimum Shift Keying spectra

35. GMSK spectral shaping
Fig. 2.3

36. GMSK spectra shaping
Fig. 2.16

37. Simple GMSK generation

38. GMSK Demodulator

39. Digital GMSK demodulator
Fig. 2.4

40. 8-PSK Signal Constellation
Fig. 2.5

41. Bandwidth vs. Power Efficiency
Fig. 2.16

42. Pulse Shaped M-PSK
Fig. 2.6

43. 16-QAM Signal Constellation
Fig. 2.7

44. QAM efficiencies
Fig. 2.16

45. M-ary FSK efficiencies
Fig. 2.16

46. PN Sequence Generator
Fig. 2.8

47. Direct Sequence Spread Spectrum
Fig. 2.9

48. Direct Sequence Spreading
Fig. 2.10

49. Frequency Hopping Spread Spectrum
Fig. 2.11

50. CDMA – Multiple Users
Fig. 2.12

51. Effects of Fading
Fig. 2.13

52. Irreducible Bit Error Rate due to multipath
Fig. 2.14

53. Irreducible Bit Error Rate due to multipath
Fig. 2.15

54. Simulation of Fading and Multipath
Fig. 2.16

55. Irreducible BER due to fading
Fig. 2.16

56. Irreducible BER due to fading
Fig. 2.16

57. BER due to fading & multipath
Fig. 2.16

58. Back Up

59. Product Detection

60. Slope Detector for FM
Fig. 2.5

61. Digital Demod for FM
Fig. 2.6

62. PLL Demod for FM
Fig. 2.7

63. FM Demod circuit
Fig. 2.9