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Table of contents
1 Introduction
1.1 Cognitive Radio Networks
1.1.1 Architecture
1.1.2 Open Issues
1.1.3 CRNs Standards
1.2 Problem Statement
1.3 Contributions of the thesis
1.3.1 Proposed Solutions
1.3.2 Methodology
1.4 Outline of Thesis
2 Data Dissemination and Channel Selection in CRNs
2.1 Applications of Data Dissemination in Wireless Networks
2.2 Classification of Broadcasting Protocols
2.3 Data Dissemination in Multi-Channel Environment
2.4 Challenges of Data Dissemination in Cognitive Radio Networks
2.5 Classification of Channel Selection Strategies in CRNs
2.5.1 Goals of Channel Selection Strategies
2.5.2 Nature of Channel Selection Strategies
2.5.3 Channel Selection Strategies from the Communication Perspective .
2.6 Conclusion
3 SURF: Channel Selection Strategy for Data Dissemination
3.1 System Model and Assumptions
3.2 Channel Selection Strategy SURF
3.3 Primary Radio Unoccupancy
3.3.1 Wrong Prediction of Channel Availability
3.4 Cognitive Radio Occupancy
3.5 Simulation Environment
3.5.1 Implementation Setup
3.5.2 Performance Metrics
3.5.3 Simulation Environment
3.6 SURF Parameters Evaluation
3.6.1 Tries in SURF
3.6.2 Impact of Varying Neighborhood Density on SURF
3.6.3 PR Utilization of the Selected Channel
3.7 SURF Comparison
3.7.1 Protection to Primary Radio Nodes
3.7.2 Robust Data Dissemination
3.7.3 Tuning of Sender and Receiver
3.7.4 Packet Ratio
3.8 Conclusion
4 Impact of Primary Radio Nodes Activity on Channel Selection Strategies
4.1 Introduction
4.2 Channel Selection Strategies
4.3 Primary Radio Nodes Activity Pattern
4.4 Performance Analysis
4.5 Improvements regarding SURF
4.6 Conclusion and Future Work
5 Applicability of SURF
5.1 1st Application: General Context of Internet Access Framework
5.1.1 Related Work
5.1.2 An Internet Access Framework for Future Cognitive Radio Networks
5.1.2.1 Architecture
5.1.2.2 Working Principle
5.1.3 Deployment and Connectivity: Issues and Challenges
5.1.3.1 Network Deployment and Connectivity
5.1.3.2 Infrastructure Discovery
5.1.3.3 Inter-network Coordination
5.1.4 Channel Selection Strategy SURF for CR Devices and CMRs
5.2 2nd Application: General Context of Channel Bonding
5.2.1 System Model and Assumptions
5.2.2 Spectrum Characterization
5.2.3 Channel Bonding Criteria
5.2.4 Discussion
5.3 Conclusion
6 Conclusion and Future Work
6.1 Summary of Contributions
6.2 Future Research
6.2.1 Channel Activity Models of a PR Network
6.2.2 Exploitation of Real Traces of PR Activity
6.2.3 Improvements in SURF considering PR activities’ study
6.2.4 Channel Bonding in Cognitive Radio Networks
6.2.5 Spontaneous CR deployments
A Thesis Publications
B NS-2 Contributed Code
References
