2.1  What You Will Learn
2.2  Definition of a Digital Communication System
2.3  Concepts and Elements of a Digital Communication System
2.3.1  Block diagram of a digital communication system
2.3.2  Number of bits per second can vary over the stages
2.3.3  Source coding
2.3.4  Channel coding
2.3.5  Modulation
2.3.6  Demodulation
2.3.7  Synchronization and Coherent Demodulation
2.3.8  Digital signals in digital communications
2.3.9  Bit and symbol rates
2.3.10  Error rates: BER, SER and BLER
2.4  Types of Communication Systems Simulation
2.4.1  Sample versus symbol-based simulations
2.4.2  PSD-based simulation
2.4.3  Baseband versus passband simulations
2.4.4  Link versus system-level simulations
2.5  Digital Versus Analog Communication Systems
2.6  EVM and MER
2.7  M-PAM: A Concrete Example of Digital Modulation
2.7.1  Generation of symbols from a PAM constellation
2.7.2  Average energy of PAM constellations
2.7.3  PAM detection
2.7.4  Symbol-based PAM simulation
2.7.5  Flat PSD of symbol-based PAM signals
2.7.6  Sample-based (oversampled) PAM simulation
2.7.7  Interpreting the shaping pulse as the impulse response of a LIT
2.7.8  Advanced: Power of PAM signals
2.8  Simple Binary Modulations: ASK, FSK and PSK
2.9  Characterizing and Comparing Digital Modulations
2.9.1  Linear versus non-linear modulation
2.9.2  Modulation with memory versus memoryless
2.9.3  Differential encoding
2.9.4  Brief comparison of modulations
2.10  Baseband Line Codes
2.11  Advanced: PSDs of Digitally Modulated Baseband Signals
2.11.1  Examples of PSDs
2.12  Signal Spaces and Constellations
2.12.1  Signals as linear combinations of orthogonal functions
2.12.2  Constellations
2.12.3  Recovering the symbols via correlative decoding
2.12.4  Interpreting digital modulation as transforms
2.13  Simple example of M-PAM simulation over AWGN
2.14  Applications
2.15  Comments and Further Reading
2.16  Exercises