Sciweavers

266 search results - page 27 / 54
» Comparing simple role based access control models and access...
Sort
View
GLOBECOM
2007
IEEE
14 years 2 months ago
Opportunistic Access with Random Subchannel Backoff (OARSB) for OFDMA Uplink
Abstract— A distributed medium access control (MAC) algorithm for uplink OFDMA networks under the IEEE 802.16 framework is proposed and analyzed in this work. We present a simple...
Yu-Jung Chang, Feng-Tsun Chien, C. C. Jay Kuo
CAISE
2003
Springer
14 years 26 days ago
User Roles in Document Analysis
In a modern business process, documents are important carriers of information between organisations. Document management solutions are increasingly based on structured document for...
Pasi Tiitinen
CSFW
2012
IEEE
11 years 10 months ago
Gran: Model Checking Grsecurity RBAC Policies
—Role-based Access Control (RBAC) is one of the most widespread security mechanisms in use today. Given the growing complexity of policy languages and access control systems, ver...
Michele Bugliesi, Stefano Calzavara, Riccardo Foca...
TMC
2008
210views more  TMC 2008»
13 years 7 months ago
Adaptive Cluster-Based Data Collection in Sensor Networks with Direct Sink Access
Recently wireless sensor networks featuring direct sink access have been studied as an efficient architecture to gather and process data for numerous applications. In this paper, w...
Mahdi Lotfinezhad, Ben Liang, Elvino S. Sousa
ICC
2007
IEEE
288views Communications» more  ICC 2007»
14 years 2 months ago
Joint Channel State Based Random Access and Adaptive Modulation in Wireless LAN with Multi-Packet Reception
—Conventional 802.11 medium access control (MAC) characteristics. In particular, all of these designs adopted a protocols have been designed separately from the characteristics s...
Wei Lan Huang, Khaled Ben Letaief, Ying Jun Zhang