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Wireless Communications & Networking by Vijay Garg

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CHAPTER 16 Wide-Area Wireless Networks — cdmaOne Evolution

16.1 Introduction

While the primary objective of 2G networks was to provide mobile circuit-switched voice and low rate data services, a key goal of the evolution to 3G networks was the introduction of connectivity to packet data networks via cellular systems while at the same time increasing voice capacity.

Early definitions of 3G systems sought to boost the gross bit rates over radio, and to introduce support for quality of service (QoS) classes to improve packet switched bearer services. As demand for both greater capacity and more packet data services has grown, the industry has sought to improve 3G data throughput while at the same time enhancing voice performance over the same ...

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