6

MOBILE TV USING 3G TECHNOLOGIES

The significant problems we face can not be solved at the same level of thinking we were at, when we created them.

—Albert Einstein

6.1   INTRODUCTION

It began with the 2.5G networks such as GPRS, EDGE, and cdmaOne in the late 1990s as a service for streaming of short clips. The operators had upgraded the networks from pure voice to being data capable. Users could set up data calls using circuit-switched connections or always-on packet-switched GPRS connections. cdmaOne and GPRS users had always-on connectivity using packet-switched connections. Wireless Application Protocols (WAP) was formalized and was intended to be the protocol of choice for accessing wireless applications over the air. However, in the initial ...

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