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This book gives an introduction to the field of cognitive radio with focus on simultaneous transmission between primary and cognitive users. Research challenges and solutions in the areas of interference management and resource allocation are described and derived. Some novel approaches for realizing a practical cognitive system is put forth. Throughout the book the reader is provided simulation results to illustrate the value of the theory provided in this book.

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Brage Ellings‘ter is born in Oslo, Norway. He has a MSc in wireless communications from the Norwegian University of Science and Technology (NTNU). He is currently a PhD student at the University of Oslo in the area of cognitive radio and dynamic spectrum access.

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