The purpose of this paper is to study competition policy on mobile broadband, consisting of 3G and 4G (LTE).Currently mobile broadband has been developing rapidly and its access speed amounts to 150Mbps for the latest 4G, which is similar to fixed broadband. This paper analyzesthe factors affect...

The mobile market has been transforming quickly all over the world particularly caused by the diffusion of smartphones, and this study attempts to examine the effect of smartphones to the Japanese mobile phone market. Japan has so far the well-developed 3G mobile phone in terms of not only the...

Smartphones such as iPhones and Android was introduced to the market around 2007-9 in various OECD member countries. Since then, the transformation of the market was observed, which include (i) rapid growth of mobile broadband (3G+4G); (ii) severer market competition; and (iii) upheaval of...

Science and technology have been the driving force of development for knowledge-based economies. In particular, as competition in mobile communications technology innovation among countries become more intense, there are growing needs for enhanced judgment, evaluation, and prediction of...

This paper presents a Japanese perspective on measures against online sexual informaiton. A research queistion is set on what kinds of measures are required in order to protect youth from the harmful influence of online sexual informaiton. The paper firstly examines measures initiated by both...

Next generation access networks (NGAN) will support a renewed electronic communication market where main opportunities lie in the provision of ubiquitous broadband connectivity, applications and content. From their deployment it is - much - expected a wealth of innovations. Within this framework...

The Japanese mobile market has recently shown a remarkable growth in the last decade, with more than 106.2 million 3G (3rd Generation, or W-CDMA) subscribers and 4.4 million 2G (2nd Generation, or PDC) as of December 2009. This paper attempts to analyze factors promoting Japanese mobile phone,...