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UHF2 realignment study - Ofcom Licensing

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Paired Spectrum<br />

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

Version (Dec08).doc<br />

Used by FDD systems where two frequency bands are used together, one<br />

for transmission in the forward or downlink direction (e.g. base station to<br />

handset) and another for transmission in the reverse or uplink direction<br />

(e.g.handset to base station).<br />

PBR Private Business Radio<br />

PMR Private or Professional Mobile Radio<br />

PMSE<br />

Programme Making and Special Events – a class of radio application that<br />

supports a wide range of activities in entertainment, broadcasting, news<br />

gathering and community events<br />

PPDR Public Protection and Disaster Relief<br />

PSSPG Public Safety Spectrum Policy Group<br />

RA Radiocommunications Agency<br />

Scanning Telemetry<br />

Spectrum<br />

Framework Review<br />

(SFR)<br />

Spectrum<br />

liberalisation<br />

Spectrum Mask<br />

Spectrum trading<br />

Radio Frequencies that are licensed to the water, electricity and gas<br />

companies for the purposes of data collection and telecommand.<br />

<strong>Ofcom</strong> consultation on how spectrum will be managed in the future published<br />

in November 2004.<br />

Removal of restrictions from WT licences and RSA to allow holders greater<br />

flexibility to change how they use spectrum<br />

A way of specifying the amount of power that a transmitter is allowed to<br />

transmit into neighbouring frequency channels.<br />

Ability of spectrum users to transfer rights and obligations under WT licences<br />

to another person in accordance with regulations made by <strong>Ofcom</strong>. Trades<br />

may be total, partial, outright or concurrent<br />

SUR Spectrum Usage Rights<br />

TDD<br />

TETRA<br />

TFAC<br />

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

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

time.<br />

Terrestrial enhanced Trunked Radio Access: An ETSI standard for digital<br />

mobile radio utilised by fleets of vehicles such as emergency services,<br />

courier companies etc.<br />

Technical Frequency Assignment Criteria – a document produced by <strong>Ofcom</strong><br />

detailing how the licensees are assigned on a technical basis<br />

UHF Ultra High Frequency (300 MHz – 3 GHz)<br />

UHF I UHF frequency band from 410 – 450 MHz.<br />

Page I-5<br />

abc

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