Thomas Kunz
Systems and Computer Engineering
3
Research Motivation
Voice
E-mail
Web
Conferencing
E-commerce
Wireless
Access
Network
Multitude of applications:
•
Varying QoS requirements
•
Differing performance
characteristics
•
Increasingly multi-medial
Wireless Network:
•
Continuous mobility
•
Scarce and variable radio resources
•
High error rates and long delays
Different devices:
•
Distinct
capabilities
•
Battery life
Audio
Internet