@article {Gmira20181436, title = {A New Energy Efficiency/Spectrum Efficiency Model for Cooperative Cognitive Radio Network}, journal = {Mobile Networks and Applications}, volume = {23}, number = {5}, year = {2018}, pages = {1436-1448}, doi = {10.1007/s11036-018-1078-z}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85055932107\&doi=10.1007\%2fs11036-018-1078-z\&partnerID=40\&md5=2a9aa8fcbffa8cca76f1910b052525eb}, author = {Gmira, S. and Kobbane, A. and Ben-Othman, J. and El Machkour, M.} } @article {Gmira2018405, title = {A new model for cooperative cognitive radio network using coalitional game}, journal = {Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST}, volume = {230}, year = {2018}, pages = {405-415}, doi = {10.1007/978-3-319-90802-1_36}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85048046108\&doi=10.1007\%2f978-3-319-90802-1_36\&partnerID=40\&md5=aecbb539131a30d55d9c7252d88f268a}, author = {Gmira, S. and Kobbane, A. and Machkour, M.E. and Ben-Othman, J.} }