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Performance evaluation of IR-UWB detectors and fusion techniques for UWB transceiver platforms
KTH, Skolan för elektro- och systemteknik (EES), Signalbehandling.ORCID-id: 0000-0002-4265-9490
KTH, Skolan för elektro- och systemteknik (EES), Signalbehandling.ORCID-id: 0000-0002-2718-0262
2018 (Engelska)Ingår i: International Journal of Ultra Wideband Communications and Systems, ISSN 1758-728X, Vol. 3, nr 4, s. 177-191Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In this paper, we analyse the performance of a multi-pulse impulse radio based ultra-wideband (IR-UWB) detector in an AWGN setting and provide different fusion strategies for fusing these detector outputs. To enable the transceiver to be used for multiple applications, the designers have different types of detectors such as energy detectors, amplitude detectors, etc., built in to a single transceiver architecture. In this paper, we derive the detection performance equation for commonly used detectors in terms of false alarm rate, shape of the pulse, and number of UWB pulses used in the detection and apply these in the fusion algorithms. We show that the performance can be improved by approximately 4 dB in terms of signal to noise ratio (SNR) for high probability of detection of a UWB signal (95%), by fusing decisions from multiple detector types compared to a standalone energy detector, in a practical scenario.

Ort, förlag, år, upplaga, sidor
Inderscience Enterprises Ltd. , 2018. Vol. 3, nr 4, s. 177-191
Nyckelord [en]
Neyman-Pearson test, Sensor networks, Time of arrival, TOA, Ultra wideband, UWB, UWB ranging
Nationell ämneskategori
Signalbehandling
Identifikatorer
URN: urn:nbn:se:kth:diva-238358DOI: 10.1504/IJUWBCS.2018.092426Scopus ID: 2-s2.0-85048791037OAI: oai:DiVA.org:kth-238358DiVA, id: diva2:1259946
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QC 20181031

Tillgänglig från: 2018-10-31 Skapad: 2018-10-31 Senast uppdaterad: 2018-10-31Bibliografiskt granskad

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Yajnanarayana, VijayaHändel, Peter

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