• Analogue to digital and telephony to multimedia
• Generations of wireless communications
• Mobile communication - Subsystems/Circuits
• Constraints
• Wireless communication system
• Trends in personal & wireless communications
• ATM network characteristics
• Digital speech coding
• Classification of speech coders
• DPCM
• Low-rate speech coding
• LPC operations 1
• LPC operations 2
• Simplified view of LPC coding scheme
• Speech coders used in various mobile radio systems
• Conclusions