GPS doesn’t work very well where there isn’t a good view of the sky, so there are various projects under way to use an alternative positioning method indoors – in car parks, for example. Would also be handy in department stores and hospitals! This recent article in the New Scientist is a good place to start.
About Jeremy Green
Jeremy is an independent telecommunications analyst with a strong interest in M2M/Internet of Things, with a focus on transport and Smart City applications, the use of ICT to reduce and mitigate climate change, the medium-term future of the telecoms industry, including new roles for operators, and the evolution of voice services.