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The GPS satellites orbiting 20,200 kilometres overhead run their clocks about 38 microseconds faster per day than clocks on the ground — without Einstein’s relativit…

Every time a phone locates itself on a map, it is quietly relying on Einstein. The GPS constellation is the largest working ...
The Lancet

Integrating systems thinking with global implementation science to co-learn and co-create mental health interventions and strategies with Maya Indigenous community partners

Copyright: © 2025 The Author(s). Published by Elsevier Ltd.
IEEE

Mitigating Device Heterogeneity for Enhanced Indoor Positioning System Performance Using Deep Feature Learning

Abstract: Indoor Positioning Systems (IPS) are essential for delivering accurate location-based services in environments where Global Navigation Satellite Systems (GNSS) are ineffective. The Received ...
IEEE

LED Selection and Orientation and Power Adaptation for Visible Light Positioning Systems

Abstract: We investigate a visible light positioning (VLP) system in which a number of light emitting diode (LED) transmitters emit signals over a certain number of time intervals for localizing a ...