part PART I: PHYSICAL LAYER OF COGNITIVE RADIO NETWORKS -- chapter 1 Spectrum Sensing Algorithms for Cognitive Radio Networks / chapter 2 Spectrum Usage Modeling and Forecasting in Cognitive Radio Networks / chapter 3 Exploring Opportunistic Spectrum Availability in Wireless Communication Networks / chapter 4 Rendezvous and Coordination in Cognitive Networks / part PART II: MEDIUM ACCESS CONTROL (MAC) LAYER OF COGNITIVE RADIO NETWORKS -- chapter 5 Resource Allocation in Cognitive Radio Networks / chapter 6 Development and Trends in Medium Access Control Design for Cognitive Radio Networks / chapter 7 Medium Access Control Protocols for Dynamic Spectrum Access in Cognitive Radio Networks: A Survey / chapter 8 Cognitive Radio Adaptive Medium Access Control (MAC) Design / part PART III: ROUTING LAYER OF COGNITIVE RADIO NETWORKS -- chapter 9 Cognitive Routing Models* / chapter 10 Routing in Cognitive Radio Networks / part PART IV: CROSS-LAYER CONSIDERATIONS IN COGNITIVE RADIO NETWORKS -- chapter 11 Impacts of Cognitive Radio Links on Upper Layer Protocol Design / chapter 12 On the Tradeoffs of Cross-Layer Protocols for Cognitive Radio Networks / chapter 13 Architectures for Cognition in Radios and Networks / part PART V: ADVANCED TOPICS IN COGNITIVE RADIO NETWORKS -- chapter 14 Ultra-Wideband Cognitive Radio for Dynamic Spectrum Accessing Networks / chapter 15 Analytical Models for Multihop Cognitive Radio Networks / chapter 16 Cognitive Radio for Wireless Regional Area Networks / chapter 17 Mission-Oriented Communications Properties for Software-Defined Radio Configuration