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SACMAT
2009
ACM
14 years 4 months ago
An algebra for fine-grained integration of XACML policies
Collaborative and distributed applications, such as dynamic coalitions and virtualized grid computing, often require integrating access control policies of collaborating parties. ...
Prathima Rao, Dan Lin, Elisa Bertino, Ninghui Li, ...
SIGCOMM
2009
ACM
14 years 4 months ago
A local knowledge base for service oriented access network selection
Service oriented access in a multi-application, multi-access network environment poses interesting research challenges. One of these challenges refers to cross-layer interoperabil...
Carolina Fortuna, Mihael Mohorcic
WOWMOM
2009
ACM
151views Multimedia» more  WOWMOM 2009»
14 years 4 months ago
Distributed user authentication in wireless LANs
—An increasing number of mobile devices, including smartphones, use WLAN for accessing the Internet. Existing WLAN authentication mechanisms are either disruptive, such as presen...
Dmitriy Kuptsov, Andrey Khurri, Andrei Gurtov
ICASSP
2008
IEEE
14 years 4 months ago
Cooperative MIMO-beamforming for multiuser relay networks
In this paper, we develop a beamforming algorithm for multiuser MIMO-relaying wireless systems. We consider a relaying scenario with multiple sources transmitting to one or more d...
Amr El-Keyi, Benoît Champagne
ICC
2008
IEEE
133views Communications» more  ICC 2008»
14 years 4 months ago
Memoryless Relay Strategies for Two-Way Relay Channels: Performance Analysis and Optimization
— We consider relaying strategies for two-way relay channels, where two terminals transmits simultaneously to each other with the help of relays. A memoryless system is considere...
Tao Cui, Jörg Kliewer