Waveform optimisation of UWB radio systems over range of directions

The waveform of the source pulse applied at the input of an UWB antenna can be optimised to obtain maximum peak radiated field in one direction. Presented is a systematic technique that helps the UWB system designer to achieve the best peak radiated field in a range of directions. Since the transfer functions of all known printed UWB antennas are direction dependent, application of such a technique is crucial in the system design when an UWB system is required to radiate close to the peak over a range of directions.