A Survey on Wireless Communications - Beyond 3G

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Executive Summary

Wireless access standards, like most other technological standards, generally evolve during their service life to offer enhanced performance and capabilities. The general impression behind diverse technology "Generations" is that every new generation offers noteworthy "Revolutions" in routine and capabilities compared to its predecessor. This often means that a new "Overlay" network, likely in a new frequency band, is requisite for each technology generation.

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