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186
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CORR
2007
Springer
15 years 6 months ago
2007
Springer
—We consider the problem of minimizing upper bounds and maximizing lower bounds on information rates of stationary and ergodic discrete-time channels with memory. The channels we...
197
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CORR
2007
Springer
15 years 6 months ago
2007
Springer
—In cognitive radio (CR) networks, there are scenarios where the secondary (lower priority) users intend to communicate with each other by opportunistically utilizing the transmi...
190
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CORR
2007
Springer
15 years 6 months ago
2007
Springer
Orienteering is the following optimization problem: given an edge-weighted graph (directed or undirected), two nodes s, t and a time limit T, find an s-t walk of total length at ...
181
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ISF
2006
15 years 6 months ago
2006
Abstract Research in information security, risk management and investment has grown in importance over the last few years. However, without reliable estimates on attack probabiliti...
226
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CORR
2007
Springer
15 years 6 months ago
2007
Springer
Abstract— In this paper, collocated and distributed spacetime block codes (DSTBCs) which admit multi-group maximum likelihood (ML) decoding are studied. First the collocated case...