EURASIP Journal on Wireless Communications and Networking

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Research Article
Open Access

Burst Format Design for Optimum Joint Estimation of Doppler-Shift and Doppler-Rate in Packet Satellite Communications

EURASIP Journal on Wireless Communications and Networking20072007:029086

https://doi.org/10.1155/2007/29086

©  Luca Giugno et al. 2007

Received: 1 September 2006

Accepted: 10 February 2007

Published: 6 May 2007

Abstract

This paper considers the problem of optimizing the burst format of packet transmission to perform enhanced-accuracy estimation of Doppler-shift and Doppler-rate of the carrier of the received signal, due to relative motion between the transmitter and the receiver. Two novel burst formats that minimize the Doppler-shift and the Doppler-rate Cramér-Rao bounds (CRB s) for the joint estimation of carrier phase/Doppler-shift and of the Doppler-rate are derived, and a data-aided (DA) estimation algorithm suitable for each optimal burst format is presented. Performance of the newly derived estimators is evaluated by analysis and by simulation, showing that such algorithms attain their relevant CRB s with very low complexity, so that they can be directly embedded into new-generation digital modems for satellite communications at low SNR.

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Authors’ Affiliations

(1)
Wiser S.r.l.–Wireless Systems Engineering and Research
(2)
Dipartimento di Ingegneria dell'Informazione, University of Pisa

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Copyright

© Luca Giugno et al. 2007

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.