Nonlinear signal processing technologies for energy detection based impulse radio UWB transceivers - Details

author：

Nie, H. (Nie, H..) ^[1] | Chen, Z. (Chen, Z..) ^[2] | Xu, Z. (Xu, Z..) ^[3]

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Abstract：

Presently　most　signal　processing　technologies　employed　in　impulse　radio　UWB　transceivers　are　straightforward　derivatives　of　those　designed　for　conventional　wireless　transceivers.　They　appear　not　to　take　full　advantage　of　some　special　features　offered　by　the　impulse　radio　UWB　transceivers,　such　as　ultra-wide　bandwidth　and　very　short　duration　pulses.　To　move　beyond　this　shortcoming,　in　this　paper,　we　have　reviewed　our　recent　innovations　in　using　nonlinear　signal　processing　technologies,　in　particular,　the　Teager-Kaiser　operator　and　the　square　law　device,　in　energy　detection　based　UWB　transceivers.　It　is　found　that　nonlinear　signal　processing　technologies　can　mitigate　not　only　the　destructive　effects　caused　a　narrowband　interference　but　also　those　caused　wideband　noises,　and　hence　can　significantly　improve　the　bit-error-rate　performance　of　energy　detection　based　UWB　transceivers　no　matter　when　a　narrowband　interference　is　present　or　not.　In　summary,　use　of　nonlinear　signal　processing　technologies　is　a　groundbreaking　innovation　and　presents　a　potentially　new　horizon　for　research　and　development　of　UWB　systems.　©　2012　IEEE.

Keyword：

Energy detection; narrowband interference; nonlinear signal processing; square law device; Teager-Kaiser operator; ultra-wideband

Community：

[ 1 ] [Nie, H.]Department of Technology, University of Northern Iowa, Cedar Falls, IA, United States
[ 2 ] [Nie, H.]Department of Electrical and Computer Engineering, Dalhousie University, Halifax, Canada
[ 3 ] [Chen, Z.]Department of Technology, University of Northern Iowa, Cedar Falls, IA, United States
[ 4 ] [Chen, Z.]Department of Electrical and Computer Engineering, Dalhousie University, Halifax, Canada
[ 5 ] [Xu, Z.]Department of Technology, University of Northern Iowa, Cedar Falls, IA, United States
[ 6 ] [Xu, Z.]Department of Electrical and Computer Engineering, Dalhousie University, Halifax, Canada
[ 7 ] [Xu, Z.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, China

Reprint 's Address：

[Nie, H.]Department of Technology, University of Northern Iowa, Cedar Falls, IA, United States

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Source ：

Proceedings - IEEE International Conference on Ultra-Wideband

ISSN： 2162-6588

Year： 2012

Page： 202-206

Language： English

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SCOPUS Cited Count： 3

ESI Highly Cited Papers on the List： 0 Unfold All

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