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Non Data-Aided Estimation of Time-Varying Multiscale Doppler in Underwater Acoustic Channels

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Abstract

In the context of underwater acoustic communications, we propose a non data-aided Doppler estimation method dedicated to single-carrier linearly-modulated signals. This method relies on the framework of time-warped cyclostationary random processes. It can estimate time-varying Doppler scales resulting from acceleration of up to several meters per second squared. It can also estimate multiple Doppler scales as observed in multiscale-multilag channels.
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Dates and versions

hal-02904488 , version 1 (24-02-2022)

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François-Xavier Socheleau. Non Data-Aided Estimation of Time-Varying Multiscale Doppler in Underwater Acoustic Channels. Underwater Communications and Networking Conference (Ucomms), Aug 2021, Lerici, Italy. ⟨10.1109/UComms50339.2021.9598120⟩. ⟨hal-02904488⟩
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