Approximation Algorithms for Capacitated Minimum Forest Problems in Wireless Sensor Networks with a Mobile Sink.
Weifa LiangPascal SchweitzerZichuan XuPublished in: IEEE Trans. Computers (2013)
Keyphrases
- approximation algorithms
- np hard
- vertex cover
- network design problem
- wireless sensor networks
- facility location problem
- minimum cost
- np hardness
- exact algorithms
- worst case
- approximation schemes
- constant factor
- special case
- randomized algorithms
- optimization problems
- wireless networks
- sensor nodes
- base station
- practical problems
- simulated annealing
- set cover
- sensor networks
- disjoint paths