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KES
2008
Springer
13 years 6 months ago
A Secure Mediator for Integrating Multiple Level Access Control Policies
Abstract. We present a method for mapping security levels among the components of a distributed system where data in the local sources are represented in XML. Distributed data is i...
Isabel F. Cruz, Rigel Gjomemo, Mirko Orsini
TCOM
2008
85views more  TCOM 2008»
13 years 6 months ago
Balanced capacity of wireline multiple access channels with individual power constraints
This paper applies the concept of balanced capacity (a tradeoff between performance and fairness) to the uplink of a frequency-selective multiuser channel. Individual power constr...
Thierry Sartenaer, Jérôme Louveaux, L...
TIT
2008
84views more  TIT 2008»
13 years 6 months ago
Cooperative Multiple-Access Encoding With States Available at One Transmitter
Abstract--We generalize the Gel'fand
Anelia Somekh-Baruch, Shlomo Shamai, Sergio Verd&u...
TWC
2008
97views more  TWC 2008»
13 years 6 months ago
Impact of Correlation on the Capacity of Multiple Access and Broadcast Channels with MIMO-MRC
Abstract--This paper investigates the capacity of multipleaccess and broadcast channels with MIMO-MRC systems in spatially correlated environments. We present new capacity approxim...
Raymond H. Y. Louie, Matthew R. McKay, Iain B. Col...
TWC
2008
165views more  TWC 2008»
13 years 6 months ago
On the Study of Network Coded AF Transmission Protocol for Wireless Multiple Access Channels
In this paper, the performance of the network coded amplify-forward cooperative protocol is studied. The use of network coding can suppress the bandwidth resource consumed by relay...
Zhiguo Ding, Tharmalingam Ratnarajah, Kin K. Leung