GEO-Mobile Radio Interface
Encyclopedia
GEO-Mobile Radio Interface (GEO stands for Geostationary Earth Orbit
), better known as GMR, is an ETSI
standard for satellite phone
s. GMR is derived from the terrestrial digital cellular standard GSM and supports access to GSM core networks. It is used by ACeS
, ICO, Inmarsat
, SkyTerra, TerreStar and Thuraya
.
Geostationary orbit
A geostationary orbit is a geosynchronous orbit directly above the Earth's equator , with a period equal to the Earth's rotational period and an orbital eccentricity of approximately zero. An object in a geostationary orbit appears motionless, at a fixed position in the sky, to ground observers...
), better known as GMR, is an ETSI
European Telecommunications Standards Institute
The European Telecommunications Standards Institute is an independent, non-profit, standardization organization in the telecommunications industry in Europe, with worldwide projection...
standard for satellite phone
Satellite phone
A satellite telephone, satellite phone, or satphone is a type of mobile phone that connects to orbiting satellites instead of terrestrial cell sites...
s. GMR is derived from the terrestrial digital cellular standard GSM and supports access to GSM core networks. It is used by ACeS
ACeS
ACeS is a regional satellite telecommunications company based in Jakarta, Indonesia. It offers GSM-like satellite telephony services to Asian market. The coverage area includes Indonesia, Malaysia, Thailand, Philippines, Sri Lanka, Vietnam, China and India. The company operates the Garuda 1...
, ICO, Inmarsat
Inmarsat
Inmarsat plc is a British satellite telecommunications company, offering global, mobile services. It provides telephony and data services to users worldwide, via portable or mobile terminals which communicate to ground stations through eleven geostationary telecommunications satellites...
, SkyTerra, TerreStar and Thuraya
Thuraya
Thuraya , the Arabic name of the Pleiades, is a regional satellite phone provider. Its coverage area is most of Europe, the Middle East, North, Central and East Africa, Asia and Australia....
.