505 search results - page 68 / 101 » On the Minimality and Decomposability of Constraint Networks |
ADHOC
2007
14 years 12 months ago
2007
We investigate the problem of modeling node capture attacks in heterogeneous wireless ad hoc and mesh networks. Classical adversarial models such as the Dolev–Yao model are know...
INFOCOM
2010
IEEE
14 years 10 months ago
2010
IEEE
We study the problem of finding the least-priced path (LPP) between a source and a destination in opportunistic spectrum access (OSA) networks. This problem is motivated by econo...
130
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ICC
2009
IEEE
14 years 9 months ago
2009
IEEE
During the last decade, many works were devoted to improving the performance of relaying techniques in ad hoc networks. One promising approach consists in allowing the relay nodes ...
ICC
2011
IEEE
13 years 11 months ago
2011
IEEE
—In cognitive radio (CR) networks, licensed spectrum that can be shared by secondary users (SUs) is always restricted by the needs of primary users (PUs). Although channel aggreg...
100
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ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
In this paper, we develop a beamforming algorithm for multiuser MIMO-relaying wireless systems. We consider a relaying scenario with multiple sources transmitting to one or more d...