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Untitled Document

Technology

CDMAOne: The Family of IS-95 CDMA Technologies

cdmaOne describes a complete wireless system based on the TIA/EIA IS-95 CDMA standard, including IS-95A & IS-95B revisions. It represents end-to-end wireless system & all the necessary specifications that govern its operation. cdmaOne provides a family of related services including cellular, PCS & fixed wireless (wireless local loop).

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3g-CDMA 2000:

3G is the term used to describe next generation mobile services which provide better quality voice and high-speed Internet and multimedia services. While there are many interpretations of what 3G represents, the only definition accepted universally is the one published by the International Telecommunication Union (ITU). ITU, working with industry bodies from around the world, defines and approves technical requirements and standards as well as the use of spectrum for 3G systems under the IMT-2000 (International Telecommunication Union-2000) program.

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CDMA-2000 1X:

The first of the of third-generation (3G ) wireless standards to be commercially deployed, CDMA2000 1X laid the groundwork for the higher speed data rates available today in many markets around the world that provide consumers and professionals with no-compromise wireless connectivity

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CDMA-2000 EV-DO

A direct evolution of the CDMA2000 third-generation (3G) wireless standards, CDMA2000 1xEV-DO enables high-speed wireless connectivity comparable to wired broadband. CDMA2000 1xEV-DO (evolution, data-optimized) is leading the convergence of wireless and personal electronics, spawning a new generation of multi-purpose wireless devices.

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WCDMA (UMTS)

The third-generation (3G ) wireless standard being deployed by operators migrating from GSM-based 2G networks, WCDMA (UMTS ) supports the higher speed data rates that provide consumers and professionals with wireless connectivity in many markets around the world. The UMTS (Universal Mobile Telecommunications Service) technology standard is being implemented in Europe as they transition from GSM/GPRS.

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