9 Terms
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Mobile phones
Industry: Mobile communications
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Mobile phones
Digital cellular system (DCS 1800)
Mobile communications; Mobile phones
A global system for mobile communications-based PCS network used outside of the U.S.
Foliage attenuation
Mobile communications; Mobile phones
Reductions in signal strength or quality due to signal absorption by trees or foliage obstructions in the signal's line-of-sight path. For example, 800 MHz systems are seldom deployed in forested ...
Digital signal processor (DSP)
Mobile communications; Mobile phones
A microprocessor that digitises analogue signals.
Frame relay
Mobile communications; Mobile phones
Wideband, packet-based interface used to transmit bursts of data over a wide-area network. Seldom used for voice.
Disaggregation
Mobile communications; Mobile phones
The splitting of a spectrum licence into two or more licences of fewer frequencies.
Frequency
Mobile communications; Mobile phones
The number of oscillations, or vibrations, of radio waves per unit of time, usually expressed in either cycles-per-second or Hertz (Hz).
Downlink
Mobile communications; Mobile phones
The portion of a telecommunications path from a satellite to the ground. Also referred to as the reverse link.
