Friday, November 21, 2003
11
InfraStructure
Equipment
(low frequency, med-high power, med-low volume, med-high cost)
(low frequency, med-high power, med-low volume, med-high cost)
•Base Stations
(ground based and tower top for mobile, portable & fixed applications)
(ground based and tower top for mobile, portable & fixed applications)
–Personal (~10’s meters, aka access points)
–Pico (~10’s meters)
–Micro (~100’s meters)
–Macro (1000 meters)
•Competing with:
–Twisted pair (xDSL)
–Coax cable
–Fiber
–Power line
•Antennas (fixed,
steerable, smart, many other configurations)
•Repeaters (network,
personal, in-building coverage extenders)
•Last-mile broadband (fixed
and portable applications)
(proprietary standards, 802.16x, 802.20x)
(proprietary standards, 802.16x, 802.20x)
•Satellite (special case of frequency, range, power)