Mixed discrete- and continuous-time systems.
Wireline and wireless channels.
Discrete-Time Systems in the Frequency Domain, Filtering in the Frequency Domain, Efficiency in Frequency-Domain Filtering, Discrete-Time Filtering of Analog Signals, Information Communication, Types of Communication Channels, Wireline Channels
Problem Set VIII
5.11, 5.17, 5.21, 5.23, 5.33 (pdf)