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2nd Edition, November 1, 2010

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Characteristics of terrestrial IMT-2000 systems for frequency sharing/ interference analyses

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Description / Abstract:


International Mobile Telecommunications 2000 (IMT-2000) third generation mobile systems started service around the year 2000, and provide access by means of one or more radio links to a wide range of telecommunications services supported by the fixed telecommunication networks (e.g. PSTN/ISDN/ Internet protocol (IP)) and to other services specific to mobile users. Since then, IMT-2000 has been continually enhanced.

The Radiocommunication Assembly 2007 adopted Resolution ITU-R 56 that resolves that the term "IMT" be the root name that encompasses both IMT-2000 and IMT-Advanced collectively.

The following bands are identified for IMT in the Radio Regulations (RR):

Frequency sharing studies and interference analyses involving IMT systems and other systems and services operating in bands identified for IMT may need to be undertaken within ITU-R. To perform the necessary sharing studies between IMT systems and systems in other services, characteristics of the terrestrial component of IMT systems are needed.

This Report provides the baseline characteristics of terrestrial IMT-2000 systems only for use in frequency sharing and interference analysis studies involving IMT-2000 systems and between IMT-2000 systems and other systems.

Recommendations ITU-R M.1457, ITU-R M.1580 and ITU-R M.1581 provide standardization information relating to IMT-2000 interfaces.

Parameters for IMT-Advanced interfaces are not addressed in this Report.

The characteristics of the IMT-2000 interfaces have been grouped by frequency bands:

– 450-470 MHz, 698-806 MHz, 790-862 MHz, 880-960 MHz.

– 1 800 MHz, 2 GHz, 2.3 GHz, 2.5 GHz.

– 3 400-3 600 MHz.

NOTE 1 – variations in the parameters may appear depending on the band that is considered, among those listed in a group of frequency bands. Such variations are reflected in the respected tables.