Improving the 3-star approximation algorithm for relay node placement in wireless sensor network.
Shuo-Han ChenTseng-Yi ChenHsin-Wen WeiTsan-sheng HsuChen-Hung HuangWei-Kuan ShihPublished in: Sarnoff Symposium (2016)
Keyphrases
- np hard
- similarity measure
- detection algorithm
- optimization algorithm
- worst case
- wireless sensor networks
- search space
- matching algorithm
- computational cost
- preprocessing
- learning algorithm
- k means
- particle swarm optimization
- recognition algorithm
- cost function
- times faster
- theoretical analysis
- approximation ratio
- optimal path
- tree structure
- expectation maximization
- experimental evaluation
- significant improvement