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

Y. Saito, Y. Sanada

Research output: Contribution to journalArticlepeer-review

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

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering

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