White Rabbit Time and Frequency Transfer Over Wireless Millimeter-Wave Carriers

Gilligan, Jane E.; Konitzer, Eric M.; Siman-Tov, Elad; Zobel, Justin W.; Adles, Eric J.

doi:10.1109/tuffc.2020.2989667

Cited by 15 publications

(6 citation statements)

References 22 publications

(16 reference statements)

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“…If proven applicable with measured data, this novel X max reconstruction would be extremely valuable to enable accurate X max reconstruction for very inclined air showers with sparse, large aperture antenna arrays. The rapid development of wireless communication [843] might enable a sufficiently accurate time synchronisation for such large-scale antenna arrays of independent detectors.…”

Section: Interferometric Measurements Of Extensive Air Showersmentioning

confidence: 99%

Ultra-High-Energy Cosmic Rays: The Intersection of the Cosmic and Energy Frontiers

Coleman,

Eser,

Mayotte

et al. 2022

Preprint

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Pin down the shower energy observable to use μ as a composition-only Reduce hadronic uncertainties interaction model E threshold (TBD) Other messengers Galactic * μ / em separation † * depending on analysis progress † depending on detector configuration• At least one next-generation experiment needs to be able to make high-precision measurements to explore new particle physics and measure particle rigidity on an event-by-event basis. Of the planned next-generation experiments, GCOS is the best positioned to meet this recommendation.• As a complementary effort, experiments with sufficient exposure ( 5 × 10 5 km 2 sr yr) are needed to search for Lorentz-invariance violation (LIV), SHDM, and other BSM physics at the Cosmic and Energy Frontiers, and to identify UHECR sources at the highest energies.• Full-sky coverage with low cross-hemisphere systematic uncertainties is critical for astrophysical studies. To this end, next generation experiments should be space-based or multi-site. Common sites between experiments are encouraged.• Based on the productive results from inter-collaboration and inter-disciplinary work, we recommend the continued progress/formation of joint analyses between experiments and with other intersecting fields of research (e.g., magnetic fields).• The UHECR community should continue its efforts to advance diversity, equity, inclusion, and accessibility. It also needs to take steps to reduce its environmental impacts and improve open access to its data to reduce the scientific gap between countries.vi

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Section: Interferometric Measurements Of Extensive Air Showersmentioning

confidence: 99%

Ultra-High-Energy Cosmic Rays: The Intersection of the Cosmic and Energy Frontiers

Coleman,

Eser,

Mayotte

et al. 2022

Preprint

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“…In recent years, this has been approached via increased signal bandwidth. One recent approach implements a wireless White Rabbit-based protocol using a V-band carrier with a 1.6 GHz bandwidth to achieve a precision of <2 ps [12]. Another approach using 50 MHz linear frequency modulation (LFM) waveforms recently achieved synchronization precision of 50 −100 ps [13].…”

Section: Targetmentioning

confidence: 99%

Wireless Picosecond Time Synchronization for Distributed Antenna Arrays

Merlo¹,

Mghabghab²,

Nanzer³

2022

Preprint

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Distributed antenna arrays have been proposed for many applications ranging from space-based observatories to automated vehicles. Achieving good performance in distributed antenna systems requires stringent synchronization at the wavelength and information level to ensure that the transmitted signals arrive coherently at the target, or that scattered and received signals can be appropriately processed via distributed algorithms. In this paper we address the challenge of high precision time synchronization to align the operations of elements in a distributed antenna array and to overcome time-varying bias between platforms due to oscillator drift. We use a spectrally sparse two-tone waveform, which obtains approximately optimal time estimation accuracy, in a two-way time transfer process. We also describe a technique for determining the true time delay using the ambiguous two-tone matched filter output, and we compare the time synchronization precision of the two-tone waveform with the more common linear frequency modulation (LFM) waveform. We experimentally demonstrate wireless time synchronization using a single pulse 40 MHz two-tone waveform over a 90 cm 5.8 GHz wireless link in a laboratory setting, obtaining a timing precision of 2.26 ps.

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“…In the TDoA method, the difference in the arrival times of the signal from the mobile device to the receivers is determined (Figure 1). This method requires synchronization of receivers, which can be achieved by using special measures such as the White Rabbit synchronization network [12,13].…”

Section: Tdoa Positioning Main Problemsmentioning

confidence: 99%

Location measurement of an object using radio networks for Industry 4.0 applications

et al. 2021

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Indoor positioning methods using radio networks are investigated. Time Difference of Arrival (TDOA) method is studied deeply, and the main problems are revealed. Application of ultra-wide band (UWB) radio technology to TDOA method is discussed, and limitations to UWB receiver and transmitter are revealed. These results are of great importance for the organization of unmanned moving devices management in the paradigm of fully autonomous Fabric of the Future in Industry 4.0.

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White Rabbit Time and Frequency Transfer Over Wireless Millimeter-Wave Carriers

Cited by 15 publications

References 22 publications

Ultra-High-Energy Cosmic Rays: The Intersection of the Cosmic and Energy Frontiers

Ultra-High-Energy Cosmic Rays: The Intersection of the Cosmic and Energy Frontiers

Wireless Picosecond Time Synchronization for Distributed Antenna Arrays

Location measurement of an object using radio networks for Industry 4.0 applications

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