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In a modern smart city, ambient technologies have been implemented to more effectively and efficiently manage street lighting. Light Intensity and coverage have been optimised according to various physical parameters including weather conditions, light levels, time of day as well as pedestrian / road traffic activity.
(a).
Discuss the technologies that ambient intelligence uses in this smart city scenario
[7]
(b).
In addition to pressure sensors in the road and footpath, the smart city project is extending its sensors to detect mobile phone bluetooth signals as a secondary measure of activity. Discuss how this he technology may contribute to a more effective and efficient lighting solution as well as the privacy implications around this decision.
[4]

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