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Principles of Cognitive Radio by Larry J. Greenstein, Andrea J. Goldsmith, Ezio Biglieri

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2      Capacity of cognitive radio networks

Andrea Goldsmith and Ivana Marić

2.1      Introduction

This chapter develops the fundamental capacity limits and associated transmission techniques for different cognitive radio network paradigms. These limits are based on the premise that the cognitive radios of secondary users are intelligent wireless communication devices that exploit side information about their environment to improve spectrum utilization. This side information typically consists of knowledge about the activity, channels, encoding strategies, and/or transmitted data sequences of the primary users with which the secondary users share the spectrum. Based on the nature of the available side information as well as regulatory constraints ...

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