The principal elements of Recommendation ITU-R P.452

The principal elements of Recommendation ITU-R P.452

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Nowadays, many new technologies and additional users are seeking access to an increasingly busy radio spectrum. An evolving propagation and interference modelling capability is clearly needed to support the necessary spectrum management changes and to resolve the spectrum sharing and system deployment issues that arise within a multioperator, multiservice situation. In the middle of the 1980s it became clear that the methods then available to model interference propagation at microwave frequencies would not be adequate for the tasks which lay ahead. Considerable effort was therefore invested in devising more flexible and reliable means of predicting microwave interference. These notes provide an introduction to one such development, a new set of propagation models developed by a major European collaborative project (COST 210), and subsequently adopted in 1992 by ITU-R Study Group 3 as Recommendation ITU-R P.452. Since then the ITU-R Study Group has progressively extended the capabilities and accuracy of the original COST 210 method to cope with new interference scenarios and to provide full global applicability.

Inspec keywords: cognitive radio; radiofrequency interference; radiowave propagation

Other keywords: spectrum management; spectrum sharing; ITU-R P.452; radio spectrum; ITU-R study group 3; microwave interference propagation

Subjects: Radio links and equipment

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