[Podcast] Using fibre optics to measure vehicle traffic

By on 18 Apr 2024

Category: Tech matters

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Fibre Optic cable being laid in a trench, with an ODTR meter
Laying fibre optic cable in a trench, with an Optical Time Domain Reflectometer (OTDR) meter.

This time on PING, Dr Mona Jaber from Queen Mary University of London (QMUL), discusses her work exploring IoT, digital twins and social science-led research in the field of networking and telecommunications.

Dr Jaber is a senior lecturer at QMUL and is the founder and director of the Digital Twins for Sustainable Development Goals (DT4SDG) at QMUL. She was a keynote speaker at the recent APRICOT 2024 / APNIC 57 meeting held in Bangkok, and the podcast discusses the three major themes explored in her keynote presentation:

  • The role of deployed fibre optic communication systems in measurement for sustainable green goals
  • Digital twin simulation platforms for exploring the problem space
  • Social sciences-led research, an inter-disciplinary approach to formulating and exploring problems has been applied to sustainable development-related research through technical innovation in IoT, AI, and digital twins.

The fibre optic measurement method is a Distributed Acoustic Sensor (DAS):

“DAS reuses underground fibre optic cables as distributed strain sensing where the strain is caused by moving objects above ground. DAS is not affected by weather or light and the fibre optic cables are often readily available, offering a continuous source for sensing along the length of the cable. Unlike video cameras, DAS systems also offer a GDPR-compliant source of data.”

The DASMATE Project at The Engineer

This episode of PING was recorded live in the venue and is a bit noisy compared to the usual recordings, but it’s well worth putting up with some background chatter!

Read more about Dr Jaber’s presentation, the DAS system, digital twins and fibre optic communications:

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