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PIMRC
2008
IEEE
16 years 1 months ago
Carrier frequency dependent throughput analysis for impaired OFDM links under user mobility
—In this paper we present an analytical approach to evaluate the M-QAM bit error rate and carrier frequency dependent throughput of OFDM systems subject to various receiver impai...
Marco Krondorf, Gerhard Fettweis
AINA
2007
IEEE
16 years 1 months ago
Heuristics for Improving Cryptographic Key Assignment in a Hierarchy
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
Anne V. D. M. Kayem, Patrick Martin, Selim G. Akl
177
Voted
DATE
2007
IEEE
136views Hardware» more  DATE 2007»
16 years 1 months ago
Compositional specification of behavioral semantics
An emerging common trend in model-based design of embedded software and systems is the adoption of Domain-Specific Modeling Languages (DSMLs). While syntax metamodeling enables th...
Kai Chen 0003, Janos Sztipanovits, Sandeep Neema
ICC
2007
IEEE
106views Communications» more  ICC 2007»
16 years 1 months ago
A Model-based Admission Control for IEEE 802.11e Networks
Abstract—The recently approved IEEE 802.11e standard improves the support for real-time multimedia applications in Wireless LANs. Yet, to provide some level of guarantee in terms...
Rosario Giuseppe Garroppo, Stefano Giordano, Stefa...
167
Voted
SMC
2007
IEEE
16 years 1 months ago
ADtrees for sequential data and n-gram Counting
Abstract— We consider the problem of efficiently storing ngram counts for large n over very large corpora. In such cases, the efficient storage of sufficient statistics can ha...
Robert Van Dam, Dan Ventura