Digital Communication
SystemsH. S. Jamadagni, CEDT, IISc, Bangalore
Topics in Digital
Communications
Digital communication system
advantages and disadvantages
Digital communication system
classification
Digitization of analog signals
Digital transmission systems
Data communication systems
Integrated Services Digital
Network and other advanced digital communication systemsDigital Communication
advantages
Reliable communication; less
sensitivity to changes in environmental conditions (temperature, etc.)
Easy multiplexing
Easy signaling
Hook status, address digits,
call progress information
Voice and data integration
Easy processing like encryption
and compression
Easy system performance
monitoring
QOS monitoring
Integration of transmission and
switching
Signal regeneration, operation
at low SNR, superior performance
Integration of services leading
to ISDN
