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Wireless Network Design: Optimization Models and Solution ...

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Contents xiii<br />

15 Major Trends in Cellular <strong>Network</strong>s <strong>and</strong> Corresponding<br />

<strong>Optimization</strong> Issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353<br />

Khiem Le<br />

15.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353<br />

15.2 Current Situation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355<br />

15.3 Overview of <strong>Solution</strong> Approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . 357<br />

15.4 New <strong>Wireless</strong> Access Technologies . . . . . . . . . . . . . . . . . . . . . . . . . . 360<br />

15.5 Backhauling <strong>and</strong> Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361<br />

15.6 Power Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364<br />

15.7 Leveraging Assets to Protect <strong>and</strong> Increase Revenues . . . . . . . . . . . . 365<br />

15.8 Low Income Populations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366<br />

15.8.1 Cost Reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367<br />

15.8.2 Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369<br />

15.9 Conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371<br />

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371

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