Thomas Kunz
Systems and Computer Engineering
9
Why Worry About Mobility?
nmobile computing is on the rise
–wireless
communications technologies widely available
nIEEE 802.11 finally standardized
–MAC
layer protocol with lots of features: power saving, ad-hoc networking
support, maybe even isochronous communication
ncellular telephony everywhere
–AMPS
and CDPD
–GSM
nwireless indoor equipment (IR and RF)
–people
expect the same from both desktop and laptop
nhigh-resolution color display
n200 MHz processor
nmulti-gigabyte disk
nwith a docking station, the laptop is the
desktop