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CORR
2007
Springer
126views Education» more  CORR 2007»
14 years 9 months ago
Optimal Throughput-Diversity-Delay Tradeoff in MIMO ARQ Block-Fading Channels
In this paper, we consider an automatic-repeat-request (ARQ) retransmission protocol signaling over a block-fading multiple-input, multiple-output (MIMO) channel. Unlike previous ...
Allen Chuang, Albert Guillen i Fabregas, Lars K. R...
CORR
2007
Springer
153views Education» more  CORR 2007»
14 years 9 months ago
Power-Bandwidth Tradeoff in Dense Multi-Antenna Relay Networks
— We consider a dense fading multi-user network with multiple active multi-antenna source-destination pair terminals communicating simultaneously through a large common set of K ...
Ozgur Oyman, Arogyaswami Paulraj
CORR
2007
Springer
117views Education» more  CORR 2007»
14 years 9 months ago
Perfectly Secure Steganography: Capacity, Error Exponents, and Code Constructions
An analysis of steganographic systems subject to the following perfect undetectability condition is presented in this paper. Following embedding of the message into the covertext,...
Ying Wang, Pierre Moulin
CORR
2007
Springer
114views Education» more  CORR 2007»
14 years 9 months ago
On the Throughput of Secure Hybrid-ARQ Protocols for Gaussian Block-Fading Channels
—The focus of this paper is an information-theoretic study of retransmission protocols for reliable packet communication under a secrecy constraint. The hybrid automatic retransm...
Xiaojun Tang, Ruoheng Liu, Predrag Spasojevic, H. ...
GRID
2007
Springer
14 years 9 months ago
Managing Role-Based Access Control Policies for Grid Databases in OGSA-DAI Using CAS
In this paper, we present a role-based access control method for accessing databases through the Open Grid Services Architecture – Data Access and Integration (OGSA-DAI) framewor...
Anil L. Pereira, Vineela Muppavarapu, Soon M. Chun...