A logarithmic approximation algorithm for the minimum energy consumption broadcast subgraph problem

Authors:
Ioannis Caragiannis;Christos Kaklamanis;Panagiotis Kanellopoulos
Affiliations:
Computer Technology Institute and Department of Computer Engineering and Informatics, University of Patras, 26500 Rio, Greece;Computer Technology Institute and Department of Computer Engineering and Informatics, University of Patras, 26500 Rio, Greece;Computer Technology Institute and Department of Computer Engineering and Informatics, University of Patras, 26500 Rio, Greece
Venue:
Information Processing Letters
Year:
2003

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Abstract

Motivated by the problem of supporting energy-efficient broadcasting in ad hoc wireless networks, we study the Minimum Energy Consumption Broadcast Subgraph (MECBS) problem. We present the first logarithmic approximation algorithm for the problem which uses an interesting reduction to Node-Weighted Connected Dominating Set.