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Procedure and assignment process for applications for individual frequency licences for fixed services

This document provides an overview of the procedure and assignment process for applications for frequency licences for radio links and information about technical assessments that are carried out when assigning licences.

When applying for a frequency licence for one or more radio links, the application form for radio link stations must be used. The application form ensures that Norwegian Communications Authority (Nkom) receives sufficient technical and geographical data about the radio link distances. If further guidance is required concerning applications for frequency licences for radio link communication, frequency management of radio links or administrative procedures, please contact Section for Broadcasting and Fixed Services. Radio equipment that can be used in a radio link must have a Declaration of Conformity pursuant to the Radio and Telecommunications Terminal Equipment (R&TTE) Directive. If further information is required concerning equipment and rules for bringing equipment onto the market please contact Nkom's Division for Regulations, Equipment and Installations.

Technical assessments

When processing applications, parameters such as necessary radiated power, necessary fading margin, frequency configuration/diversity, frequency band in relation to distance, as well as the channel width and modulation will be assessed. The antenna parameters are an important part of this assessment. The modulation determines the sensitivity of the receiver and thereby the signal-to-noise ratio. The modulation must be stated on the application form and cannot be changed without authorisation from Nkom. Based on the above, in certain instances authorisation will be granted to use different frequencies or communication parameters to those applied for, however in such a manner that the transmission requirement is still covered.

There is a connection between frequency and possible distance. Higher frequencies have shorter ranges than lower frequencies due to spreading attenuation and rain attenuation. If the frequency is low enough the rain attenuation will not have a major effect and the spreading attenuation will be low. As a main rule, high frequencies are assigned for short distances and low frequencies for longer distances. It is often the case that equipment for higher frequencies will be produced with more directive antennae than equipment for lower bands.

Nkom registers information about point-to-point and point-to-multipoint communication in our database. The information that is placed in the database forms the basis for interference analyses and is used in frequency planning. It is important for both the users and Nkom that the information is correct and that Nkom receives information about communication that has been disconnected or about changes have been applied for in the geographical or technical specifications.

A and B stations

A channel plan for radio links is divided into low transmitter frequency (A-Station) and high transmitter frequency (B-Station). When locating radio link equipment at a station point it is important to take into consideration equipment that is already in operation such that no interference occurs. An element in this assessment is that that only A-Stations or only B-Stations are placed at the same point.

A transmitter point can have A-Stations on one frequency band and B-Stations on another. The most important factor is that this is uniform on the same frequency band. Before an application is sent to Nkom the customer must ascertain whether a station point is already defined as an A or B Station. If Nkom is not in possession of other information about A and B Stations, the customer's request shall be stated on the application form. Nkom assumes no responsibility for interference problems that arise due to the mixing of A and B Stations.

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