These days, users' needs for communications services are widening. With the vitality of IP infrastructure and IP multimedia contents, market demand for data services as well as voice services are on the increase. In particular, users who are used to the cellular environment request data services with a speed comparable to that of wired communications even when they are on the move.

However, existing data services are not enough to fully meet users's various needs. Wired super-speed Internet and WLAN offer high-speed services, but are restricted by access location and mobility. Wireless Internet supports mobility, but is restricted by slow transfer rates and high costs.

Mobile WiMAX is the technology that has been designed for IP traffic from the beginning, for wireless broadband services. It provides seamless services to people on the move as the existing wireless Internet does and offers high-speed data services comparable to super-speed Internet. Mobile WiMAX super-speed data services offered to people on the move is closer to 4G, going beyond 3G.

Mobile WiMAX