SYSC 5306: Mobile Computing Systems

Thomas Kunz

Systems and Computer Engineering

42

Wireless access technologies: No uniform standard (similar to Ethernet) in sight

relative speed [km/h]

DAB

HiperLAN2,

802.11a/.11g

250

100

50

5

0

10 kbit/s

2 Mbit/s

20 Mbit/s

150 Mbit/s

DECT

UMTS

GSM, TETRA

bandwidth

802.11b

Bluetooth

Point-to-multipoint distribution systems

FDD

TDD

physical/

economic border

EDGE