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Robust Weighted Non-Coherent Receiver for Impulse Radio UWB PPM Signals
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2011 (engelsk)Inngår i: IEEE Communications Letters, ISSN 1089-7798, E-ISSN 1558-2558, Vol. 15, nr 06, s. 614-616Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This letter proposes an energy detection based robust weight estimation scheme for pulse-position modulated (PPM) impulse radio ultra-wideband (IR-UWB) signals using weighted non-coherent receiver (WNCR). Conventional data-aided WNCR (DA-WNCR) scheme estimates the weighting coefficients, or channel state information (CSI), using a large number of training symbols over time-varying channels. In contrast, the proposed Robust WNCR (R-WNCR) scheme is non-data-aided (NDA), adaptive and robust to channel variations. The proposed R-WNCR estimates the weighting coefficients adaptively based on the received stochastic data, and the weight estimation process is refined using a decision directed approach.

sted, utgiver, år, opplag, sider
IEEE Communications Society , 2011. Vol. 15, nr 06, s. 614-616
Emneord [en]
Energy detection, UWB, Pulse position modulation
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Identifikatorer
URN: urn:nbn:se:bth-7458DOI: 10.1109/LCOMM.2011.040711.102583ISI: 000291880700008Lokal ID: oai:bth.se:forskinfoD84D27440AA89680C1257904002BC4D1OAI: oai:DiVA.org:bth-7458DiVA, id: diva2:835078
Tilgjengelig fra: 2012-09-18 Laget: 2011-09-07 Sist oppdatert: 2017-12-04bibliografisk kontrollert

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