Precise centimeter-level positioning on a smartwatch during 4 hours of data in Dunedin, New Zealand. The dots show the repeatability of one second of data in comparison to precise benchmark coordinates. The repeatability of the positioning is about 8 cm, at most twice as large as the smartwatch diameter of 4 cm (displayed to scale). (Image: Study authors)

Researchers demonstrate centimeter-level positioning using smartwatches

October 17, 2025

University of Otago – Ōtākou Whakaihu Waka researchers have developed algorithms that improve the precision of location tracking […]

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This article is tagged with Google, GPS carrier phase, New Zealand, smartwatch, tracking, University of Otago and posted in Latest News, Mobile

Innovation Insights with Richard Langley

Innovation Insights: What is carrier phase?

February 23, 2023

A carrier is basically a harmonic electromagnetic wave — a pure continuous sinusoidal wave with a single constant frequency and amplitude.

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This article is tagged with GNSS signal, GPS carrier phase, Innovation, Richard Langley and posted in From the Magazine, Innovation

Image: GPS World

Iridium/GPS carrier phase positioning, fault detection

July 21, 2016

Interest in the Iridium constellation as a potential alternative and back-up provider of positioning and timing has increased […]

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This article is tagged with GPS carrier phase, RAIM, receiver autonomous integrity monitoring and posted in From the Magazine, GNSS