In Universal Mobile Telecommunication System (UMTS), the downlink capacity is limited by the base station transmission power. Therefore, power control plays an important role to mi...
Antonios G. Alexiou, Christos Bouras, Vasileios Ko...
A group key agreement protocol (GKA) allows a set of players to establish a shared secret key which can be used to secure a subsequent communication. Several efficient constantrou...
Distributed applications should be able to make use of an object group service in a number of application specific ways. Three main modes of interactions can be identified: (i) re...
Multimedia Broadcast/Multicast Service (MBMS) and High-Speed Downlink Packet Access (HSDPA) are two key technologies that constitute a significant step towards the Mobile Broadban...
Antonios G. Alexiou, Christos Bouras, Evangelos Re...
— Broadcast authentication is a critical security service in wireless sensor networks (WSNs), as it allows the mobile users of WSNs to broadcast messages to multiple sensor nodes...