WAP Wireless Application Protocol Dictionary

Gateway
Ground-based link to usa mobile satellite service network.
Wireless gateway consists of the wireless middleware, operating system and hardware platform.

Gaussian noise
Amplitude noise, uniform accross the frequency spectrum triggers random sigle bit errors.

GFSH
Gaussian Frequency shift keying.
Frequency modulation technique that filters the baseband signal with a Gaussian filter before performing the modulation.

Geosynchrono
Maintaining a fixed orbit, about 24,000 miles above the Earth.

Geostationary
orbit satellite system: A communications system with satellites in geosynchronous orbits 22,300 miles above the Earth.
These satellites appear stationary because they move at the same rate as the Earth's rotation.

Gigabyte Ethernet
PHY based on ANSI X3T11 FibreChannel technology used as alternative to ATM

GLONASS
global navigation system. A Russian satellite location technology similar to global positioning system.

GMPCS
global mobile personal communications services.
A term that refers to future mobile satellite systems that will provide wireless phone service anywhere in the world.

Go-back-n
Technique used to send the frames again using continuous ARQ.
Retrieve the erred frame from the transmit buffer and send the bad frame and all frames following it.

GPS
global positioning system. Worldwide , satellite based radio navigation system. Providing three dimensional position.
Used in personal tracking, navigation and automatic vehicle location technologies.

Gray market
May refer to a place where a carrier bought a product from another carrier, not direct from a vendor or the vendor's distribution channel.
The exact location of the seller/buyer is unknown to the manufacturer.

GSM
global system for mobile communications.
A digital cellular or PCS network used throughout the world.

GSM-Pl
An enhanced version of global system for mobile communications technology that will be developed to meet IMT-2000 capabilities.

GSM-R
Global system for mobile communications for railway networks.
GSM-R uses standard base station and switching infrastructure to provide fast data transmission for railways.

GUI
graphical user interface.
A computing term referring to an operating system or environment that displays options on the screen as graphical symbols, icons or photographs.

Free wireless hot spots; by state
Alabama	Nebraska
Alaska	Nevada
Arizona	New Hampshire
California	New Jersey
Colorado	New Mexico
Connecticut	New York
District of Columbia	North Carolina
Delaware	North Dakota
Florida	Ohio
Idaho	Oklahoma
Indiana	Oregon
Georgia	Pennsylavania
Hawaii	Rhode Island
Illinois	South Carolina
Kansas	South Dakota
Kentucky	Tennessee
Louisiana	Texas
Maine	Vermont
Maryland	Virginia
Massachusetts	Washington
Michigan	West Virginia
Mississippi	Wisconsin
Missouri	Wyoming