Lugomer, K;
Soundararaj, B;
Murcio, R;
Cheshire, J;
Longley, P;
(2017)
Understanding sources of measurement error in the Wi-Fi sensor data in the Smart City.
In:
Proceedings for the 25th GIS Research UK (GISRUK) Conference (GISRUK 2017).
GIS Research UK (GISRUK)
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Abstract
Data quality audits are a necessary precursor to quantitative analysis of human activity patterns using primary data collected using automated sensors. This paper reports detailed exploration of the sources of measurement errors that potentially impact upon the quality of the footfall data collected as part of the Consumer Data Research Centre SmartStreetSensor project. Depiction and analysis of activity patterns is integral to numerous applications in urban management, retail and transport planning, and emergency management, yet most analysis to date has remained focused upon data pertaining to nighttime residence as from the Census of Population and daytime estimates through sample surveys or traffic counts. Here we investigate how Wi-Fi signals from mobile devices can be used to estimate levels of human activity at different times and locations and argue about the opportunities and issues arising when using them for estimating footfall.
| Type: | Proceedings paper |
|---|---|
| Title: | Understanding sources of measurement error in the Wi-Fi sensor data in the Smart City |
| Event: | GISRUK 2017 |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | http://manchester.gisruk.org/ |
| Language: | English |
| Additional information: | This is the published version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Wi-Fi sensors, footfall, pedestrian flows, measurement error, calibration |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Centre for Advanced Spatial Analysis UCL > Provost and Vice Provost Offices > UCL SLASH UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Dept of Geography |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10062790 |
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