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171
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
—Two novel receiver structures which surpass the performance of the conventional matched filter receiver are proposed for ultra-wide bandwidth multiple access communications. Th...
192
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VTC
2007
IEEE
16 years 1 months ago
2007
IEEE
— This letter proposes a simple but highly efficient technique to jointly utilize space, time, and polarization diversities. The technique is based on extending orthogonal space-...
204
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ADAEUROPE
2007
Springer
16 years 1 months ago
2007
Springer
Abstract. In this paper we present algorithms to statically detect livelocks in Ada multitasking programs. Although the algorithms’ worst-case execution time is exponential, they...
192
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ESORICS
2007
Springer
16 years 1 months ago
2007
Springer
Obligations are pervasive in modern systems, often linked to access control decisions. We present a very general model of obligations as objects with state, and discuss its interac...
195
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STOC
2006
ACM
16 years 1 months ago
2006
ACM
We show that for any constant ε > 0, there is no Ω(log1−ε M)approximation algorithm for the directed congestion minimization problem on networks of size M unless NP ⊆ Z...