Multi-layer Mechanism for Multicast Routing in Multihop Cognitive Radio Networks

Dedication I dedicate this work to my mother, my father, and my country (Iraq). IV ACKNOWLEDGMENT First, I am indebted in my work to almighty Allah, who has enabled me to complete my work on this thesis, and delight my way every moment on my life. I would like to express my sincere gratitude to my supervisor Dr. Haytham Bany Salameh for the continuous support of my thesis work, for his encouragement, enthusiasm, and immense knowledge. His guidance helped me in all the time of research and writing of this thesis. Besides my supervisor, I would like to express deep gratitude and thanks to the rest of my thesis committee members: Prof. Ahmad AL-shamali and Dr. Amer Magableh. I also wish to sincerely thank all the staff in the telecommunications engineering department at Faculty of Special loving thanks goes to my parents, brothers and friends for their unlimited love, support, encouragement, and for always doing everything for me when I need it the most. Last but not the least; I would say thanks to all who have been supportive and well-wishers to me in this period of life.