Effect of clock offset on an impulse radio ultra wideband ranging system with comparators

Y. Saito, Y. Sanada

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    Impulse radio ultra wideband (IR-UWB) can achieve high resolution in ranging because it uses a very short pulse with a duration of less than 1ns. In order to reduce cost and power consumption, a ranging system with high-speed comparators has been proposed. In this system, it is necessary to reduce noise power through averaging the comparator outputs. The authors evaluate the effect of clock offset on the averaging process, and a two-stage averaging scheme for the IR-UWB ranging system is proposed. Through computer simulation, it is proved that the proposed scheme can reduce the effect of the clock offset with appropriate numbers of initial averaging.

    Original languageEnglish
    Pages (from-to)1024-1029
    Number of pages6
    JournalIET Communications
    Volume3
    Issue number6
    DOIs
    Publication statusPublished - 2009 Jun 11

    ASJC Scopus subject areas

    • Computer Science Applications
    • Electrical and Electronic Engineering

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