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The Network Utility Maximization (NUM) has been extensively used in both wired and wireless networks and has been very helpful to provide insight on optimal controls of various parameters such as power, scheduling and rate control. However, the popular opportunistic scheduling mechanism, that improves the system performance by exploiting time varying channel conditions at different receivers, has...
The Steiner tree problem seeks for the shortest tree connecting a given set of terminal points. This paper discusses parallelization of algorithms for the Steiner tree problem. First, a 2-approximation algorithm due to Takahashi and Matsuyama is parallelized for PRAM(Parallel Random Access Machine) model, and then issues in parallelizing another 2-approximation heuristic, namely, Kou, Markowsky, and...
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