With the rapid development of ICT, smart society has been arrived. Smart devices also make user’s role change and be powerful. In other words, user's power is stronger by smart devices in smart media industry and especially social environment like application market is catalyst for growth of...

Because fourth-generation(4G) mobile communications services are rooted in heterogeneous multibands, a unified managementregime fails toaccommodate spectral heterogeneity. This study examined an adequate regimein the 4G era that maximizes spectrum efficiency. A conjoint analysis was conducted to...

Improved internet connectivity has been a consistent aim of Japanese telecommunications policy in the past decades, however, despite the high availability of high speed and ultra-high speed broadband services, actual use has yet to match network capacity. This study hopes to explore this paradox...

The exponential growth in demand of mobile Internet urges mobile network operators (MNOs) to increase the supply of wireless network capacity at a high pace. From this perspective, operators should not only obtain further network capacity but also make a more efficient use of the existing...

In the mid-1980s a movement towards privatization and de-regulation of the telecommunications sector was begun. The sector has been privatized in most countries and subjected to regulatory reform. The major reform occurred in the late 1990s. Since then the internet and cellular-mobile industries...

The traditional mobile industry expresses worries for the future due to converging technologies and new actors. Standards are the foundation for convergence, and have been central in all current subsectors of the mobile industry. However, subsectors have developed different technological...

Radio spectrum represents a scarce resource assigned to operators by national regulatory authorities through auctions, beauty contests or other mechanisms, aimed at introducing sufficient incentives for an optimal use of such a resource. A prerequisite for designing efficient assignment methods...