Optimum threshold for ranging based on ToA estimation error analysis

Optimum threshold for ranging based on ToA estimation error analysis

Precision ultra-wideband (UWB) ranging requires accurate estimation of time-of-arrival (ToA). The threshold-based ToA estimation is attractive due to its simplicity. In this paper theoretical closed form expressions of ToA estimation error are derived. A new technique to set the threshold as a funct...

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Bibliographische Detailangaben
Hauptverfasser: Dashti, Marzieh, Ghoraishi, Mir, Takada, Jun-ichi
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Computer networks
Computer vision
Costs
Delay estimation
Error analysis
Gain
Signal analysis
Signal to noise ratio
Time of arrival estimation
Ultra wideband technology
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Beschreibung
Zusammenfassung:Precision ultra-wideband (UWB) ranging requires accurate estimation of time-of-arrival (ToA). The threshold-based ToA estimation is attractive due to its simplicity. In this paper theoretical closed form expressions of ToA estimation error are derived. A new technique to set the threshold as a function of distance is proposed. ToA estimation error of conventional threshold and distance dependent (DD) threshold setting are analyzed at various signal-to-noise ratios (SNR).
ISSN:2166-9570
DOI:10.1109/PIMRC.2009.5450142