Introduction to cognitive radio networks: communication protocols and security issues / Natarajan Meghanathan -- Dynamic spectrum access techniques: state of the art / Asma Amraoui, Badr Benmammar -- Energy detection based spectrum sensing analysis of cooperative cognitive radios under different fading environments / Deepti Kakkar, Mayank Gupta, Arun Khosla, Moin Uddin -- Perturbation analysis for spectrum sharing / Hengameh Keshavarz -- Spectrum sensing in emergency cognitive radio ad hoc networks / Sasirekha GVK, Jyotsna Bapat -- Spectrum handoff management in cognitive radio networks: solutions, modeling, and future directions / Md. Akbar Hossain, Nurul I. Sarkar -- Architecture of cognitive radio networks / Jyoti Sekhar Banerjee, Arpita Chakraborty, Koushik Karmakar -- Cloud computing based cognitive radio networking / Sachin Shetty, Danda B. Rawat -- Optimal RF beamforming for MIMO: cognitive networks / Javad Ahmadi-Shokouh -- Nanocomputing in cognitive radio networks to improve the performance / Yenumula B. Reddy -- Security and privacy challenges in cognitive wireless sensor networks / Jaydip Sen -- Computation of performance parameters in multi-service cognitive radio networks / Hongbing Lian, Andras Farago -- Power allocation in cognitive radio in energy constrained wireless ad hoc networks / Tamaghna Acharya, Santi P. Maity -- Application of game models for cognitive radio networks / Yenumula B. Reddy -- Application of cognitive radio in VANET / Komathy K.