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Title of Journal: SIViP

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Abbravation: Signal, Image and Video Processing

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Springer London

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DOI

10.1007/s11460-007-0085-9

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ISSN

1863-1711

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Design of tracking loop with dirty templates for U

Authors: Rshdee Alhakim Kosai Raoof Emmanuel Simeu
Publish Date: 2012/06/28
Volume: 8, Issue: 3, Pages: 461-477
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Abstract

Maintaining satisfactory synchronization between transmitter and receiver is one of the major challenges in carrying out highly efficient ultrawideband UWB communications For tracking purposes the delaylocked loop DLL concept is applied The DLL could be considered as a fundamental tracking technique for UWB devices In this paper the reference signal is generated at the receiver based on an approach called timing with dirty template This approach promises to improve tracking performance while reducing receiver structure complexity After the reference template is generated we derive firstorder and secondorder DLL designs for UWB systems Furthermore we utilize the benefits of timehopping codes to enhance noise handling ability of the DLL Finally the parameters of the proposed DLL will be selected to optimize tracking behavior in the presence of the ambient noise and Doppler effects Simulation results show tracking performance across various DLL parameter values

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