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Turbo-FSK, a physical layer for LPWA: Synchronization and Channel estimation

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Abstract

—Turbo Frequency Shift Keying (Turbo-FSK) has been considered as a promising physical layer for low power wide area applications. Its constant envelope at the transmitter combined with performance close to the Shannon's limit enable to achieve a high energy efficiency. However, results published so far in the literature for this waveform have assumed perfect synchronization and channel estimation. This paper, presents a synchronization and channel estimation approach based on a specifically built preamble and adapted to the performance of the new modulation. Simulations have been performed for both time and frequency synchronization as well as channel estimation. Less than 1 dB degradation in comparison to perfect detection is achieved for the most severe types of channels.
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Dates and versions

cea-01846011 , version 1 (20-07-2018)

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  • HAL Id : cea-01846011 , version 1

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Francois Dehmas, Valérian Mannoni, Vincent Berg. Turbo-FSK, a physical layer for LPWA: Synchronization and Channel estimation. EUCNC 2018 - European Conference on Networks and Communications, Jun 2018, Ljubljana, Slovenia. ⟨cea-01846011⟩
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