Abstract

In this paper, we propose a new modulation scheme called biorthogonal pulse position modulation (BPPM) for ultra-wideband (UWB) communication systems. The BPPM signals are constructed from orthogonal pulse position modulation signals. The channel capacity and error probability of BPPM are determined for a time-hopping UWB communication system. It is shown that N-ary BPPM has better performance than N-ary PPM with the same throughput and half the computational complexity.

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