Approximation algorithm for minimal convergecast time problem in wireless sensor networks.
Weiping ShangPeng-Jun WanXiaodong HuPublished in: Wirel. Networks (2010)
Keyphrases
- learning algorithm
- approximation ratio
- detection algorithm
- computational complexity
- wireless sensor networks
- times faster
- input data
- worst case
- dynamic programming
- np hard
- cost function
- computational cost
- significant improvement
- expectation maximization
- optimization algorithm
- k means
- data aggregation
- error tolerance
- randomized algorithm
- objective function
- improved algorithm
- convergence rate
- error bounds
- search space
- closed form
- tree structure
- segmentation algorithm
- neural network
- experimental evaluation