Constrained Node Placement in Mobile Backbone Networks
Craparo, E. M
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This paper describes new algorithms for mobile backbone network optimization. In this hierarchical communication framework, mobile backbone nodes (MBNs) are deployed to provide communication support for regular nodes (RNs). While previous work has assumed that MBNs are unconstrained in position, this work models constraints in MBN location. This paper develops an exact technique for maximizing the number of RNs that achieve a threshold throughput level, as well as a polynomial-time approximation algorithm for this problem. The approximation algorithm carries a performance guarantee of 1 , and we demonstrate that this guarantee is tight in some 2 problem instances.
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