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17 results on '"Assi, Chadi"'

16. Optimal and Efficient Algorithms for Projection-Based Compressive Data Gathering.

Author

Ebrahimi, Dariush and Assi, Chadi

Abstract

We investigate the problem of compressive data aggregation in wireless sensor networks. We propose a data gathering scheme using Compressive Sensing (CS) by building up data aggregation trees from sensor nodes to the sink. Our problem aims at minimizing the number of links in the trees to minimize the number of overall transmissions. We formulate the problem of constructing aggregation trees for forwarding the compressed data to the sink as a mixed integer linear program (MILP) and present efficient algorithms to solve the problem. We show that our algorithms have outstanding performance and order of magnitude faster than the optimal model. [ABSTRACT FROM PUBLISHER]

Published
2013
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17. Which Vehicle To Select?

Author

Khabbaz, Maurice J., Fawaz, Wissam F., and Assi, Chadi M.

Abstract

In wireless networking, an Opportunistic Bundle Release Mechanism (OBRM) is a data bundle forwarding mechanism characterized by its ability to operate over Intermittently Connected Networks (ICNs) where end-to-end paths are not continuously available. Known for their intrinsic connectivity intermittence, vehicular networks constitute an ideal recreation ground for OBRMs. This letter, proposes the Optimal Vehicle Selection OBRM (OVS-OBRM) with the objective of minimizing the average bundle delivery delay. [ABSTRACT FROM PUBLISHER]

Published
2012
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