Downlink Capacity Enhancement Based on Cognitive Radio
Seungmo Kim
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Downlink Capacity Enhancement Based on Cognitive Radio

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As demand for wireless connectivity skyrocketed among a wide variety of applications in wireless cellular communications, nowadays the infrastructure, e.g., base stations, is more densely equipped in many places. Without cooperation among the stations, however, the advantages are limited due to interference on each other. Dedicated allocation of frequency band to each station can circumvent the interference problem, but it sacrifices spectral efficiency. In this book, a multiple-cell communications scenario that employs cognitive radio to the downlink is suggested. In most radio systems, users...