Kurosaka, Tatsuya; Osamura, Koji; Asaji, Rie; Koguchi, … - 2017
, referred to as "PSTN") in the future of Japan based on the public data, and evaluated the alternatives as the candidates for … the migration by comparative analysis, with respect to the definition of PSTN from the regulations in Japan. As the result … of this analysis, the number of those subscribers in Japan will decrease to around 7.1 million households in 2030 …