Safwan El Assad - Digital Communications 1

6 Introduction to Part 2 Figure I2.1. General diagram of a digital radio transmission system Figure I2.2. General diagram of a digital radio transmission system

7 Chapter 5 Figure 5.1. Principle of binary to M-ary transcoding and M-ary to signal coding Figure 5.2. Diagram of encoder and decoder of the symmetrical NRZ-L code Figure 5.3. Example of a chronogram of the symmetrical NRZ-L code Figure 5.4.Power spectral density of the symmetrical NRZ-L on-line code. For a ... Table 5.1. Characterization of the NRZ-M code as a coding and decoding table Figure 5.5. Block diagram of the NRZ-M coder and decoder Figure 5.6. Example of a chronogram of the symmetrical NRZ-M code Figure 5.7. Example of the chronogram of the NRZ 4-ary on-line code Figure 5.8.Power spectral density of the symmetrical NRZ 4-ary code. For a colo... Figure 5.9. Diagram of the binary RZ on-line code (for θ — 1/2) Figure 5.10. Example of a chronogram of the binary RZ code (for θ — 1/2) Figure 5.11.Power spectral density of the binary RZ on-line code (for θ = 1/2).... Figure 5.12.Block diagram of the encoder of the polar RZ on-line code (for θ = ... Figure 5.13. RZ polar code (for θ = 1/2) Figure 5.14. Power spectral density of the polar RZ code (for θ — 1/2). For a co... Figure 5.15. Binary biphase coder and decoder block diagram (Manchester code) Figure 5.16. Example of a biphase code chronogram (Manchester code) Figure 5.17.Power spectral density of a biphase code (Manchester code). For a c... Figure 5.18.Block diagram of the differential biphase coder and decoder (Manche... Figure 5.19.Example of a chronogram of the differential biphase code(Manchester... Figure 5.20. Block diagram of the Miller encoder Figure 5.21. Example of a chronogram of the Miller code Figure 5.22.Power spectral density of the Miller on-line code. For a color vers... Figure 5.23. Block diagram of the bipolar RZ encoder and decoder (or AMI) Figure 5.24. Example of a chronogram of the bipolar RZ code (or AMI) Figure 5.25.Power spectral density of the bipolar RZ code (or AMI). For a color... Figure 5.26. Example of a chronogram of a CMI code Figure 5.27.Power spectral density of the CMI on-line code. For a color version... Figure 5.28.Example of a chronogram of the HDB-3 code. For a color version of t... Figure 5.29. Power spectral density of the HDB-3 on-line code Figure 5.30.Power spectral density of the main on-line codes presented. For a c... Figure 5.31. Generation of partial response linear code Figure 5.32. Precoder and encoder pair Figure 5.33.Block diagram of the general structure of the partial response line... Figure 5.34.Block diagram of the general structure of the partial response prec... Figure 5.35. Combined structures of the precoder, transcoder and encoder Figure 5.36.Block diagram of the generation of a partial response linear code f... Figure 5.37. Duobinary encoder block diagram Figure 5.38. Duobinary precoder Figure 5.39.Combined structure of the precoder, transcoder and encoder of the d... Figure 5.40. Example of duobinary on-line code Figure 5.41.Power spectral density of duobinary on-line code. For a color versi... Figure 5.42. NRZ bipolar code block diagram Figure 5.43.Combined block diagram of the precoder, transcoder, coder and wavef... Figure 5.44. Example of a coded sequence of the NRZ bipolar on-line code Figure 5.45.Power spectral density of the NRZ bipolar on-line code. For a color... Figure 5.46. 2nd order interleaved bipolar coding structure Figure 5.47. 2nd order interleaved bipolar code Figure 5.48. 2nd order interleaved bipolar precoder Figure 5.49. 2nd order interleaved bipolar coding chain Figure 5.50.Example of a coded sequence of the 2nd order interleaved bipolar co... Figure 5.51.Power spectral density of the 2nd order interleaved bipolar codes a... Figure 5.52. Basic signals used in biphase codes WAL1 and WAL2 Figure 5.53.Power spectral densities of the two-phase codes WAL1 and WAL2. For ... Figure 5.54.Power spectral density of on-line codes presented. For a color vers...

8 Chapter 6 Figure 6.1. Practical chain of a digital baseband communication system Figure 6.2.Equivalent energy bandwidth Δfe of a low-pass filter. For a color ve... Figure 6.3.Illustration of the intersymbol interference phenomenon. For a color... Figure 6.4. Characteristics of the eye diagram: case of binary symbols ak = ± 1 Figure 6.5a.Examples of an eye pattern. For a color version of this figure, see... Figure 6.5b.Examples of an eye pattern (following). For a color version of this... Figure 6.6. Link with the detection theory Figure 6.7. Sample values akp(t0) and optimal threshold values (M-ary symbols) Figure 6.8. Illustration of Nyquist temporal criterion for a null ISI Figure 6.9. Spectrum of in the case where Ds < 2B Figure 6.10. Spectrum of in the case where Ds = 2B Figure 6.11. First Nyquist frequency criterion Figure 6.12. Spectrum of Figure 6.13. Impulse response for different values of the parameter a. For a col... Figure 6.14.Modulus of the frequency response of a raised cosine filter for dif... Figure 6.15. Eye pattern (without noise), for α = 1;T = 1 s. For a color Figure 6.16.Eye pattern (without noise), for α = 0.1; T = 1 s. For a color vers... Figure 6.17.Eye pattern (without noise), for α = 0.6; T = 1 s. For a color vers... Figure 6.18. Eye pattern (with noise), for α = 0.6 ; Em/Гbo= 15 dB; T = 1 s. For... Figure 6.19. Eye pattern 4-ary (without noise), for α = 0.6; T = 1 s. For a colo... Figure 6.20.Distribution of equalization filtering between transmitter and rece... Figure 6.21.Transmission and reception chain with partial response linear codin... Figure 6.22. Modulus normalized with respect to T × p ( t 0) of the frequency respo... Figure 6.23. Example of duobinary coding and decoding Figure 6.24. Example of 2nd order interleaved bipolar coding and decoding Figure 6.25. Sample values, optimal thresholds and estimation classes