Demo: Simultaneous Localization and Clock Calibration for Crystal-Free Mote - Inria - Institut national de recherche en sciences et technologies du numérique
Communication Dans Un Congrès Année : 2024

Demo: Simultaneous Localization and Clock Calibration for Crystal-Free Mote

Résumé

The Single Chip micro Mote, SCμM, is designed for building small footprint micro robots. The localization and inter-individual communication are prerequisites for swarm robots to achieve collaboration. SCμM features a 2.4 GHz wireless transceiver, which relies on its internal oscillator circuit, without an external crystal. The chip is embedded with an optical receiver, and supports optical programming functionality. Meanwhile, the optical receiver can detect infrared light, enabling low-power localization of the SCμM with the assistance of a lighthouse positioning base station. For the communication, the inaccurate internal oscillator of SCμM requires calibration before communicating with other commercial off-the-shelf wireless products, such as a Bluetooth device. Clock calibration and localization for SCμM were two separated topics in the previous studies. In this paper, our preliminary work achieves both with the lighthouse base stations. By utilizing the two different functions of infrared light emitted by the base station, we can calibrate the oscillator and the position information at the same time.
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Dates et versions

hal-04828941 , version 1 (10-12-2024)

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  • HAL Id : hal-04828941 , version 1

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Cheng Wang, Tengfei Chang, Said Alvarado-Marin, David Burnett, Filip Maksimovic, et al.. Demo: Simultaneous Localization and Clock Calibration for Crystal-Free Mote. CrystalFreeIoT 2024 - Workshop on Crystal-Free/-Less Radio and System-based Research for IoT, IEEE, May 2024, Hong Kong, Hong Kong SAR China. ⟨hal-04828941⟩

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