SK Telecom to start 4G LTE commercial service in July

"Mobile carriers are making aggressive moves to get ahead in the long-term evolution (LTE) platform, which is expected to open up a whole new world of possibilities.

LTE Signaling: Troubleshooting and Optimization

Ralf Kreher, Karsten Gaenger (Hardcover - Feb 22, 2011)

What is LTE?

The International Telecommunication Union (ITU), the United Nations agency regulating information and communication technology issues, has set requirements for each generation of wireless technology. What matters here most is speed. To satisfy fourth-generation (4G) requirements, the download speed should be 1 Gbps for stationary use and 100 Mbps for mobility communication."