Information and Communication Technology (ICT)
Common Terms in ICT
ISP |
Short for "Internet Service Provider" - any company that provides internet to a user or agency. |
---|---|
Propagation |
The method by which a radio signal is transmitted and interacts with the physical environment. |
Frequency |
The common measurement used in radio communications - measured by how close wavelengths of a radio wave are. |
LEO |
Short for "Low Earth Orbit" - when a satellite orbits close to the earth's surface. |
Geostationary |
An object in orbit of the earth that stays in a singular fixed location. |
NOC |
Short for "Network Operation Centre" - a central hub through which internet communication passes through, usually for linking remote connections with the rest of the global internet. |
Carrier |
A company that provides mobile voice communication. |
Omnidirectional |
An antenna does not have to be specifically pointed, and can send/receive signals from any orientation. |
Unidirectional |
An antenna that can only send and receive signals in one direction, and has to be pointed directly at the satellite. |
Radio |
Any analogue communications device that uses radio waves to transmit and receive signals. |
Repeater |
A device that amplifies and extends the range of a radio signal. |
GPS |
Short for "Global Positioning System" - a protocol for determining precise locations on the earth's surface using a network of satellites |
Latency |
Delay in time between a transmitted and received signal. |
VSAT |
Short for "Very Small Aperture Terminal" - a ground based satellite internet protocol. |