EXIT chart optimization of Turbo-FSK: Application to Low Power Wide Area networks

Yoann Roth,Vincent Berg,Laurent Ros,Jean-Baptiste Dore

doi:10.1109/istc.2016.7593074

EXIT chart optimization of Turbo-FSK: Application to Low Power Wide Area networks

Yoann Roth, Vincent Berg + Show 2 more

Open Access

https://doi.org/10.1109/istc.2016.7593074

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Publication Date: Sep 1, 2016

Citations: 9

Affiliation: CEA LETI, Université Grenoble Alpes, Grenoble Institute of Technology, CEA Grenoble, Atomic Energy and Alternative Energies Commission, Grenoble Images Parole Signal Automatique

#Low Power Wide Area Networks #EXtrinsic Information Transfer Chart + Show 8 more

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Abstract

Low Power Wide Area (LPWA) networks aim at connecting low cost devices with high constraints on the link budget. Focusing on the physical layer, the combination of Frequency Shift Keying (FSK) modulation and coding in the same process has been shown efficient when associated to a turbo receiver. This paper considers the optimization of Turbo-FSK parameters for the LPWA context using the EXtrinsic Information Transfer (EXIT) Chart analysis. After adapting the metric to the FSK waveforms, EXIT chart performance results are extended and compared to short packet lengths using extensive Bit Error Rate (BER) computations.

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