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

  • Z Sahinoglu
  • I Guvenc
  • P Orlik
  • Andreas Molisch
Publiceringsår: 2006
Språk: Engelska
Sidor: 507-511
Publikation/Tidskrift/Serie: The 2006 IEEE 2006 International Conference on Ultra-Wideband
Dokumenttyp: Konferensbidrag


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


  • Electrical Engineering, Electronic Engineering, Information Engineering


IEEE International Conference on Ultra-Wideband (ICUWB), 2006
  • ISBN: 1-4244-0101-1

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