Interference Diversity Gain and its Application in Multi-Channel Systems: Capacity Maximization and QoS Guarantee StrategiesATTAR, Alireza; KRISHNAMURTHY, Vikram.IEEE transactions on communications. 2011, Vol 59, Num 1, pp 248-257, issn 0090-6778, 10 p.Article

Cognitive Radio Game for Secondary Spectrum Access ProblemATTAR, Alireza; MOHAMMAD REZA NAKHAI; HAMID AGHVAMI, A et al.IEEE transactions on wireless communications. 2009, Vol 8, Num 4, pp 2121-2131, issn 1536-1276, 11 p.Article

Cognitive Radio Transmission Based on Direct Sequence MC-CDMAATTAR, Alireza; MOHAMMAD REZA NAKHAI; HAMID AGHVAMI, A et al.IEEE transactions on wireless communications. 2008, Vol 7, Num 4, pp 1157-1162, issn 1536-1276, 6 p.Article

Collaborative Sub-Channel Allocation in Cognitive LTE Femto-Cells: A Cooperative Game-Theoretic ApproachNAMVAR GHAREHSHIRAN, Omid; ATTAR, Alireza; KRISHNAMURTHY, Vikram et al.IEEE transactions on communications. 2013, Vol 61, Num 1, pp 325-334, issn 0090-6778, 10 p.Article

A Survey of Security Challenges in Cognitive Radio Networks: Solutions and Future Research DirectionsATTAR, Alireza; TANG, Helen; VASILAKOS, Athanasios V et al.Proceedings of the IEEE. 2012, Vol 100, Num 12, pp 3172-3186, issn 0018-9219, 15 p.Article