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156
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GECCO
2008
Springer
15 years 5 months ago
2008
Springer
The fully informed particle swarm optimization algorithm (FIPS) is very sensitive to changes in the population topology. The velocity update rule used in FIPS considers all the ne...
128
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GG
2008
Springer
15 years 5 months ago
2008
Springer
We present a new, high-level approach for the specification of model-to-model transformations based on declarative patterns. These are (atomic or composite) constraints on triple ...
133
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GLOBECOM
2008
IEEE
15 years 5 months ago
2008
IEEE
— In this work, we consider differential modulation in two-way relay channels (TWRC). In single antenna systems, we propose non-coherent schemes for both amplify-and forward (AF)...
140
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GLOBECOM
2008
IEEE
15 years 5 months ago
2008
IEEE
Abstract— In this paper, we evaluate the performance improvement in an Orthogonal Frequency-Division Multiple Access (OFDMA) uplink achievable with cooperative relaying in the pr...
140
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GLOBECOM
2008
IEEE
15 years 5 months ago
2008
IEEE
— This paper analyzes the ergodic mutual information of OFDMA cooperative relay networks when the Channel State Information (CSI) imperfection is considered at resource allocatio...