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Non-coherent TOA Estimation in IR-UWB Systems with Different Signal Waveforms

In English

Författare

  • I Guvenc
  • Z Sahinoglu
  • Andreas Molisch
  • P Orlik

Summary, in English

In this paper, signal waveform designs for TOA estimation with non-coherent receivers based on ultrawideband impulse radio are discussed. Four different transmit signal waveforms are analyzed, both with respect to their design constraints, and their precision ranging performance in IEEE 802.15.4a multipath channels. We introduce novel searchback and thresholding algorithms, and show that the ranging performance can be improved considerably with a-priori knowledge of noise variance. Simulation results show that it is possible to achieve sub-meter ranging accuracy with 90% confidence by using such energy detecting (non-coherent) receivers.

Publiceringsår

2005

Språk

Engelska

Sidor

1168-1174

Publikation/Tidskrift/Serie

2nd International Conference on Broadband Networks, 2005

Volym

2

Dokumenttyp

Konferensbidrag

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Nyckelord

  • multipath channels
  • radio receivers
  • search problems
  • time-of-arrival estimation
  • ultra wideband communication

Conference name

2nd International Conference on Broadband Networks, 2005

Conference date

2005-10-03 - 2005-10-07

Status

Published

ISBN/ISSN/Övrigt

  • ISBN: 0-7803-9276-0