Data and Signals
Analog signals, Digital signals, Transmission impairment, Data rate limits, Performance measures.
Analog Transmission
Digital-to-Analog conversion: ASK, FSK, PSK, QAM. Analog-
to-Analog conversion
Amplitude modulation, Frequency modulation, Phase modulation.
Digital Transmission
Digital-to-Digital conversion: Line coding. Analog-to-Digital
conversion
Pulse code modulation, Delta modulation, Transmission modes: Parallel and serial transmission.
Transmission Media
Guided media: Twisted-pair cable, Coaxial cable, Fiber-optic cable. Unguided media: Radio waves, Micro waves, Infrared.
Bandwidth Utilization
Multiplexing: Frequency-division multiplexing, Wave division multiplexing, Synchronous time-division multiplexing, Statistical time-division
multiplexing. Spread spectrum
Frequency hopping spread spectrum, Direct sequence spread spectrum.
Switching Networks
Circuit switched networks, Datagram networks and Virtual- circuit networks.
Telephone Networks for Data Transmission
Telephone networks, Dial-up modems, and
Digital subscriber line
ADSL, HDSL, SDSL, VDSL, Cable TV networks.
Error Detection and Correction
Block coding, Linear block codes, Cyclic codes, Checksum.
Data Link Control
Fixed-size and variable-size framing, HDLC.
Data Communication