3735 search results - page 507 / 747 » Order compression schemes |
188
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TDSC
2008
15 years 6 months ago
2008
In random key predistribution techniques for wireless sensor networks, a relatively small number of keys are randomly chosen from a large key pool and are loaded on the sensors pri...
208
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JCM
2007
15 years 6 months ago
2007
Abstract— In this paper, we propose and evaluate the performance of new link layer frame transmission techniques for MIMO (multiple input multiple output) wireless systems from a...
203
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TSP
2008
15 years 6 months ago
2008
We consider the problem of estimating the covariance matrix of an observation vector, using heterogeneous training samples, i.e., samples whose covariance matrices are not exactly ...
149
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JPDC
2007
15 years 6 months ago
2007
Virtual circuits can reduce routing overheads with irregular topologies and provide support for a mix of quality of service (QOS) requirements. Information about network loads and...
173
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TWC
2008
15 years 6 months ago
2008
In this paper, we provide a complete study on the training based channel estimation issues for relay networks that employ the amplify-and-forward (AF) transmission scheme. We first...