In the spirit of the deregulation movement, Japan is also faced with an gAsia Open Sky h agreement which favours aviation liberalization in international services. This means an end to Japan's aviation policy of isolation. In association with this policy change, also environmental concerns grew...

The ubiquity of mobile devices such as smartphones, laptops, tablets, and mobile routers drives unprecedented mobile data traffic every year. However, the actual mobile data usage per subscriber or data volume delivered to the subscriber varies significantly between operators and nations....