فهرس المقالات حسن آقایی نیا المقاله 1 - A New Cooperative Approach for Cognitive Radio Networks with Correlated Wireless Channels 10.7508/jist.2013.03.003 Mehdi Ghamari Adian حسن آقایی نیا Journal of Information Systems and Telecommunication (JIST) , العدد 3 , السنة 1 , تابستان 2013 المقاله 2 - Joint Relay Selection and Power Allocation in MIMO Cooperative Cognitive Radio Networks 10.7508/jist.2015.01.005 Mehdi Ghamari Adian حسن آقایی نیا Journal of Information Systems and Telecommunication (JIST) , العدد 1 , السنة 3 , زمستان 2015