Radiocommunications Agency -Feasibility Study into the Measurement of Man-Made Noise

Abstract

This report details the work performed for the Radiocommunications Agency in support of a “Feasibility study into the measurement of man-made noise”. The report first reviews the need for the study and briefly considers the overall impact of man-made noise on digital communication systems. A mathematical approach of representing man-made noise, which mainly is impulsive in nature, is outlined and the concept of using wavelets to characterise individual impulses is introduced. Models of man-made noise and data currently available, either within the ITU or from other sources, are reviewed and their limitations highlighted. The requirements of a man-made noise measurement programme, and the parameters required to characterise man-made noise are presented. Noise measurement techniques are then summarised and a digital system, which could satisfy the requirements using commercial off-the-shelf components, is outlined. Recommendations are proposed which include a risk reduction exercise.

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