Topic: 3G

Third-generation (3G) is the name given to wireless mobile phone networks that offer broadband connections -- that is, anything greater than about 128 Kbps. Second generation networks (2G) are the digital networks in current deployment, and they operate at speeds between 9.6 Kbps and 16 Kbps, including GSM, TDMA, and CDMA technologies. So-called 2.5G technologies are being deployed in Europe during 2001 and 2002, under the technology umbrella of GPRS, an upgrade to GSM networks. 3G networks were originally planned to operate at speeds of 2 Mbps or greater and support applications like streaming video. But deployment tests during 2001 have proved disappointing, and expectations have dwindled accordingly.

O'Reilly Network articles about this topic:

Wireless Carrier Technology Roadmap (Wireless DevCenter)
A glossary of wireless carrier terms such as GSM, GPRS and 3G.

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