Radiation from coupled multiconductor transmission lines

Based on the reciprocity theorem, a simple method for analysis of the radiated electromagnetic fields from an arbitary configuration of coupled multiconductor transmission fines with linear terminations is presented. The radiation problem is solved using the reciprocity theorem and the solution of the coupling problem. The method of solution for the coupling problem is based on the quasi-TEM assumptions. Some examples for several coupled structures of coupled transmission lines are then solved to show the capabilities of the method.