| 2007 | AINA | A New and Efficient Key Management Scheme for Content Access Control within Tree Hierarchies. | H. Ragab Hassen, Abdelmadjid Bouabdallah, Hatem Bettahar |
| 2007 | ISCC | Efficient Key Management Scheme for Secure Application Level Multicast. | Hatem Bettahar, Mothanna Alkubeily |
| 2006 | ISCC | Layered Multicast Data Origin Authentication and Non-repudiation over Lossy Networks. | Yoann Hinard, Hatem Bettahar, Yacine Challal, Abdelmadjid Bouabdallah |
| 2006 | ISCC | Hierarchical Home Agent Architecture for Mobile IP Communications. | Imed Romdhani, Jose Munoz, Hatem Bettahar, Abdelmadjid Bouabdallah |
| 2006 | WiMob | Adaptive Multicast Membership Management for Mobile Multicast Receivers. | Imed Romdhani, Jose Munoz, Hatem Bettahar, Abdelmadjid Bouabdallah |
| 2005 | SecureComm | An Efficient Key Management Algorithm for Hierarchical Group Communication. | H. Ragab Hassan, Abdelmadjid Bouabdallah, Hatem Bettahar, Yacine Challal |
| 2004 | ISCC | A | Yacine Challal, Hatem Bettahar, Abdelmadjid Bouabdallah |
| 2003 | ISCC | Performance Enhancement of Smooth Handoff in Mobile IP by Reducing Packets Disorder. | Djamel Tandjaoui, Nadjib Badache, Hatem Bettahar, Abdelmadjid Bouabdallah, Hamida Seba |
| 2002 | ICCCN | AKMP: an adaptive key management protocol for secure multicast. | Hatem Bettahar, Abdelmadjid Bouabdallah, Yacine Challal |
| 2001 | ISCC | A Simple Resource Reservation Protocol for Multicast Communications. | Hatem Bettahar, Christophe Beaujean, Abdelmadjid Bouabdallah, Stphane Cateloin |
| 1999 | ISCC | A Scalable Multicast Protocol for Delay-Constrained Shared Multicast Tree Construction. | Hatem Bettahar, Abdelmadjid Bouabdallah |