Using a Dynamic Sensor Network to Obtain Spatiotemporal Data in an Urban Environment

Lilia Angelova, Puck Flikweert, Panagiotis Karydakis, Daniël Kersbergen, Roos Teeuwen, Kotryna Valečkaitė, Edward Verbree, Martijn Meijers, Stefan van der Spek

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Along with the rise of the smart city movement, Internet of Things is an upcoming phenomenon. Objects and devices are becoming more and more wirelessly interconnected, communicating information between themselves and to human beings. As an addition to static sensor networks that gather real-time environmental data, the feasibility of implementing a dynamic sensor network based on LoRa communication is researched. To achieve such a dynamic system, a self-developed sensor platform was constructed, based on the microcontroller LoPy, measuring temperature and humidity. The emphasis of the research is on the localisation of the sensor platforms. A WiFi fingerprinting radiomap was constructed based on available MAC-addresses, their signal strengths, and GPS coordinates. In this method the GPS module is only used for the composition of the radiomap. The quality of the radiomap methodology was assessed by constructing it of measurements gathered in four days, and testing it for the remaining three days. This test gave a correctness of 50% while another 38% of measurements were localised in a neighbouring cell. The quality of the collected sensor data turned out to be dependent on the weather conditions and the placement location on the carrier vehicle. Another topic of research was LoRa communication, which was deemed as very limited for dynamic implementations, as the sending of location-related data takes up a large part of the already limited message size.
Original languageEnglish
Title of host publicationAdjunct Proceedings of the 14th International Conference on Location Based Services
EditorsPeter Kiefer, Haosheng Huang, Nico Van de Weghe, Martin Raubal
PublisherETH Zürich
Number of pages6
Publication statusPublished - 2018


  • Dynamic Sensor Network
  • Internet of Things
  • WiFi Fingerprinting
  • Localisation
  • Sensor Data


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