Digital Communications 2. Safwan El Assad
2.48. Partial response transmitter and receiver block diagramFigure 2.49. Details of the partial response transmitter block diagramFigure 2.50. Combined scheme of precoder, transcoder and encoderFigure 2.51. Values of sample ckV, optimum thresholds and decision classes of ck...Figure 2.52. Gaussian probability law with zero mean and unit standard deviation...
3 Chapter 3Figure 3.1. General block diagram of a digital transmission system with carrier ...Figure 3.2. Supports of transfer function H (f) and He (f) . For a color version...Figure 3.3. General block diagram of a digital transmission system with quadratu...Figure 3.4. Block diagram of a digital transmission system with 2 -ASK modulatio...Figure 3.5. Block diagram of a digital transmission system with quadrature ampli...Figure 3.6. Sample value
optimal threshold and estimation classesFigure 3.7. Block diagram of a digital transmission system with QAM modulationFigure 3.8. Constellation diagram of a 2-PSK modulation (reference)Figure 3.9. Constellation diagrams of 4 - ASK, 4 - QAM (QPSK) and16-QAM digital ...Figure 3.10. Fundamental frequency characteristics of a digital modulationFigure 3.11. Examples of positioning the points in the constellation diagram of ...Figure 3.12. Block diagram of the realization of the 16 -QAM modulator construct...Figure 3.13. Digital transmission system with quadrature amplitude modulation4 Chapter 4Figure 4.1. Practical implementation of the TDR methodFigure 4.2. Bitrate measurement scheme
5 Chapter 6Figure 6.1. Block diagram of the ASK demodulationFigure 6.2. Block diagram of FSK modulationFigure 6.3. Block diagram of digital FSK demodulationFigure 6.4. Block diagram of a digital PSK modulationFigure 6.5. Block diagram of a digital PSK demodulationFigure 6.6. Block diagrams of a digital PSK modulation and demodulation by using...
6 Chapter 7Figure 7.1. Block diagram of a QPSK modem “mqpsk.mdI”Figure 7.2. Decomposition of function “Map QPSK”Figure 7.3. Decomposition of function “transmitter1”Figure 7.4. Decomposition of function “up”Figure 7.5. Decomposition of function “down”Figure 7.6. Decomposition of function “receiver1”Figure 7.7. Parameter file “pmqpsk.m”Figure 7.8. QPSK map
7 Chapter 8Figure 8.1. codec3f: cyclic coding and decodingFigure 8.2. Generation of the word informationFigure 8.3. Encoding diagramFigure 8.4. Binary transmission channel generatorFigure 8.5. Decoding diagramFigure 8.6. Example of simulation resultsFigure 8.7. coder based on linear feedback shift register (LFSR)Figure 8.8. Decoder based on linear feedback shift register (LFSR)
Tables
1 Chapter 1Table 1.1. Matrix P2 representative of second-order extension of a binary symmet...Table 1.2. Probabilities of emitting symbols s by the information sourceTable 1.3. Construction of the Huffman code C1Table 1.4. Construction of the Huffman code C4Table 1.5. Construction of Huffman code C4Table 1.6. Construction of Huffman code C2. For a color version of this table, s...Table 1.7. Construction of Huffman code C2Table 1.8. Construction of Huffman code C3Table 1.9. Probability law Pr(Z) of S2 and binary code C2Table 1.10. Construction of Huffman code C3Table 1.11. Probabilities of a component d of motion vector Table 1.12. Code C1 and number of 0 in each codewordTable 1.13. Construction of Huffman code C2 of a component of vector Table 1.14. Coding of a sequence of a motion vector componentTable 1.15. Description of the operations of the premultiplied coder. For a colo...Table 1.16. Description of the operations of the encoder C2Table 1.17. Block diagram of the premultiplied encoder and encoder operation: in...
2 Chapter 2Table 2.1. Probability of emission of source STable 2.2. Construction of Huffman code C2Table 2.3. Construction of binary sequence SBTable 2.4. Chronograms of the signals and coded symbols. For a color version of ...Table 2.5. Chronogram of the time sequence and of the transmitted signal. For a ...Table 2.6. Generation of the HDB - 3 signal and chronogram. For a color version ...Table 2.7. Temporal representations of the different signals. For a color versio...Table 2.8. Intersymbol interference: amplitudes and probabilitiesTable 2.9. Conditional probabilities of error with intersymbol interferenceTable 2.10. Conditional probabilities of error without intersymbol interferenceTable 2.11. Form of the conditional probability matrixTable 2.12. Interfering messages and intersymbol interference amplitudeTable 2.13. Probabilities of amplitude of intersymbol interferenceTable 2.14. Conditional decision probability matrixTable 2.15. Generation of the sequence {an} of the bipolar codeTable 2.16. Possible messages ml for each akTable 2.17. Conditional probabilities Pr{ml / ak} of messages mlTable 2.18. Probability pml and value of the intersymbol interference for each m...Table 2.19. Possible values of inter-symbol interference and associated probabil...Table 2.20. Noise dynamics interval and conditional error probabilitiesTable 2.21. Generation of the sequence {an}Table 2.22. Possible messages interfering with akTable 2.23. Conditional probabilities: p(ml /–1)= Pr{ml / ak = –1}Table 2.24. Conditional probabilities: p(ml /–0)= Pr{ml / ak = o}Table 2.25. Conditional probabilities: p(ml / 1)=Pr{ml / ak=1}Table 2.26. Conditional probabilities: p(ml/i) = Pr{ ml/ak = i }Table 2.27. Intersymbol interference amplitudes and associated probabilities wit...Table 2.28. Inter-symbol interference values and associated probabilitiesTable 2.29. Noise interval dynamics and associated probabilities according to th...Table 2.30. Temporal representation of the proposed partial response coding and ...Table 2.31. Temporal sequences. For a color version of this table, see www.iste....
3 Chapter 3Table 3.1. Amplitudes of intersymbol interference for decision on ak and Table 3.2. Probabilities of error on ak conditional on possible ml interfering m...Table 3.3. Probabilities of error on | conditional on possible | interfering mes...Table 3.4. Amplitude Iml (kT) and probability pml of the intersymbol interferenc...Table 3.5. Conditional probabilities of erroneous decisions