Looking back at the last decade, the mobile phone has been greatly developed from only voice call and text message to a multi-purpose device, including camera, music player, games, and even small computer. The development of internet features in mobile phones has also continuously and...

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...

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...

This article reviews the effectiveness of Colombia’s social telecommunications policy in terms of promoting fixed broadband. With a trajectory of almost a decade with subsidies for residential fixed voice, the government changed its policy in the late 1990s moving towards community access for...