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UHF2 realignment study - Ofcom Licensing

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DVB-H Digital Video Broadcasting - Handheld<br />

E&PSS Emergency and Public Safety Spectrum<br />

ECC European Communications Committee<br />

EFIS European Frequency Information System<br />

EIRP Effective Isotropically-Radiated Power<br />

ETSI<br />

EU European Union<br />

FDD<br />

GHz<br />

GSM<br />

Guard Band<br />

Harmful interference<br />

IMT 2000<br />

Interference<br />

ISM<br />

240689 - 450-470 Study Final Print<br />

Version (Dec08).doc<br />

European Telecommunications Standards Institute: a European based<br />

industry group that addresses equipment standards for telecommunications<br />

equipment.<br />

Frequency Division Duplex: A transmission method where the<br />

downlink/downstream path and the uplink/upstream path are separated by<br />

frequency.<br />

Gigahertz: a unit of frequency equal to 1000 million (1 x 109) Hz or cycles<br />

per second.<br />

Global System for Mobile communications: a 2G mobile phone technology.<br />

This is the technology behind the vast majority of 2G mobile phones used<br />

across Europe and is used by approximately 80% of 2G operators<br />

worldwide. Also sometimes referred to under its original meaning of “Groupe<br />

Spécial Mobile".<br />

Frequency range deliberately kept vacant between assignments to give a<br />

level of protection to users on either side from interference from each other.<br />

Interference with any wireless telegraphy is not to be regarded as undue for<br />

the purposes of this Act unless it is also harmful – WT Act<br />

International Mobile Telephony 2000: a family of global standards for mobile<br />

phone networks proposed by the ITU Also referred to as 3G.<br />

The effect of unwanted signals upon the reception of a wanted signal in a<br />

radio system, resulting in degradation of performance, misinterpretation or<br />

loss of information compared with that which would have been received in<br />

the absence of the unwanted signal.<br />

Industrial Scientific and Medical spectrum band, usually referring to the<br />

2.4GHz band with WiFi being one of the well known services<br />

ITU International Telecommunications Union<br />

KHz Kilohertz (frequency of one thousand Hertz)<br />

MHz Megahertz (frequency of one million Hertz)<br />

Page I-4<br />

abc

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