Evolution of GSM and cdmaOne to 3G Systems

Chia sẻ: Van Kent Kent | Ngày: | Loại File: PDF | Số trang:99

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Evolution of GSM and cdmaOne to 3G Systems

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The previous chapters have concentrated on the two leading second generation (2G) cellular systems: GSM and IS-95. These systems are deployed in many parts of the world and will continue to operate and evolve during the next decade as third generation (3G) systems are rolled out. We may expect that the new 3G systems will be harmonised with their evolved 2G counterparts, and that slowly 2G spectra will be refarmed to provide extra 3G spectra. No 3G systems are currently deployed, although trials are in progress. As a consequence, this chapter, which deals with systems that are about to be...

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