We analyze the mobile phone call logs and human mobility traces from a large-scale mobile dataset collected in Côte d'Ivoire with the aim to further understand the country's economic development.
There are fewer number of communities based on mobile phone call networks than the human mobility network, suggesting that mobile phones may facilitate the communications between adjacent areas.
In addition to this, Ranjan et al. [26] have recently examined the use of mobile phone call records for studies in human mobility and concluded that they can be very biased to home and work locations.
The availability of de-identified mobile phone call detail records provides a new source of data on human mobility on unprecedented scales.
The first mobile phone call was placed 40 years ago.
Test calls over Wi-Fi sounded as good as a typical mobile phone call.
The Hilton was also the site of the world's first hand-held mobile phone call.
It is 30 years since Britain's first mobile phone call was made.
Can you imagine that last mobile phone call from your husband, or wife or child?
Hannah Verdier Beginning with a mobile phone call in 1984, Sandbrook covers the last five years of the 1980s.
You make a mobile phone call, it goes to a mast and then down into a fibre-optic cable, under the ground and away.
