6: Wireless and Mobile Networks
6-1
Chapter 6: Wireless and Mobile Networks
Background:
# wireless (mobile) phone subscribers now
exceeds # wired phone subscribers!
computer nets: laptops, palmtops, PDAs,
Internet-enabled phone promise anytime
untethered Internet access
two important (but different) challenges
wireless:
communication over wireless link
mobility:
handling the mobile user who changes point
of attachment to network