2004•Unpublished venueRequires access

On the optimum pulse-position modulation index for ultra-wideband communication

Uzoma Onunkwo, Ye Geoffrey Li

Abstract

Pulse-position modulation (PPM) is one of the popular modulations for ultra-wideband (UWB) communications. The modulation index, /spl delta/, used in a time-hopping PPM scheme plays an important role in the reduction of bit error rate introduced by noise. In this paper, we mathematically show the pulse-width dependent, T/sub p/, optimal modulation index that yields the least probability of error based on a given SNR for PPM with different orders of Gaussian monocycle shaping function.

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Key concepts: Pulse-position modulation, Modulation (music), Modulation index, Bit error rate, Pulse-amplitude modulation, Ultra-wideband, Position (finance), Wideband