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Hybrid Shape, Amplitude, and Position Modulation for UWB Communication Systems

In this paper we introduce a novel method for high data rate transmission in ultra-wideband (UWB) communications systems. This is achieved through a new approach based on hybrid techniques between pulse position modulation (PPM), pulse amplitude modulation (PAM) and pulse shape modulation (PSM) using combinations between a minimum possible number of modified hermite polynomial (MHP) functions by recalling their orthogonality property. In this paper we have based our discussion on single path scenario assuming beam forming is taking place to combat multipath propagation. Besides, the impact of time jitter of the proposed modulation technique on the performance of the system is investigated.