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Design of tracking loop with dirty templates for UWB communication systems

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Abstract

Maintaining satisfactory synchronization between transmitter and receiver is one of the major challenges in carrying out highly efficient ultra-wideband (UWB) communications. For tracking purposes, the delay-locked 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 first-order and second-order DLL designs for UWB systems. Furthermore, we utilize the benefits of time-hopping 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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Correspondence to Rshdee Alhakim.

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Alhakim, R., Raoof, K. & Simeu, E. Design of tracking loop with dirty templates for UWB communication systems. SIViP 8, 461–477 (2014). https://doi.org/10.1007/s11760-012-0352-y

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  • DOI: https://doi.org/10.1007/s11760-012-0352-y

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