Broadband PLC (power line communication) technology is a main factor of the development of digital convergence in the indoor network. It uses the already existing power cable infrastructure for communication purposes. The EM (electromagnetic) field radiating from the cable could, however, disturb other communication systems, and thus should be evaluated. The M oM (method of moment) and the FEM (finite element method) have been studied to estimate the EM field emitted from the power cable. However, the M oM is difficult to treat the dielectric material of the cable and the FEM is time consuming. This paper presents a new approach to estimate the radiated EM fields caused by PLC systems from the CM current along the cable, based on the transmission line theory. The proposed model has the advantage of using the measured primary parameters of the cable. An experimental analysis of the EM radiation distribution is also presented. A comparison showed that the model results agree quit e well with the measurements performed in this study.
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