Mohsen Akbari, Md. Kamal Hossain, Mohsen Riahi Manesh, Ayman A. El-Saleh, Aymen M. Kareem, Vol. 6, No. 9, September 25, 2012
10.3837/tiis.2012.09.003

• CR
• cooperative spectrum sensing
• SDF
• PSO
• GA

Aymen M. Kareem, Ayman A. El-Saleh, Masuri Othman, Vol. 6, No. 7, July 24, 2012
10.3837/tiis.2012.07.004

• Time Synchronization
• timing error
• MB-OFDM UWB