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Interference Suppression in Non-coherent Time-Hopping IR-UWB Ranging

In English

Författare

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

Summary, in English

Ranging requires detection of the first arriving signal component. The accuracy of time-of-arrival-based range estimation is greatly degraded in the presence of multi-user interference (MUI). We develop a method that applies a nonlinear filter on received signal energy to suppress multiuser interference. Then, leading signal path is tracked via an iterative searchback algorithm. The method is tested on time-hopping impulse radio ultrawideband systems. Simulations conducted over IEEE 802.15.4a residential line of sight ultrawideband multipath channels indicate that range detection accuracy is significantly improved by the proposed non-linear filtering approach

Publiceringsår

2006

Språk

Engelska

Sidor

507-511

Publikation/Tidskrift/Serie

The 2006 IEEE 2006 International Conference on Ultra-Wideband

Dokumenttyp

Konferensbidrag

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE International Conference on Ultra-Wideband (ICUWB), 2006

Conference date

2006-09-24 - 2006-09-27

Status

Published

ISBN/ISSN/Övrigt

  • ISBN: 1-4244-0101-1