A cooperative spectrum sensing method based on signal decomposition and K-medoids algorithm.
Yonghua WangShunchao ZhangYongwei ZhangPin WanShikun WangPublished in: Int. J. Sens. Networks (2019)
Keyphrases
- high accuracy
- detection algorithm
- preprocessing
- dynamic programming
- clustering method
- computational complexity
- computational cost
- decomposition method
- optimization algorithm
- k means
- cost function
- significant improvement
- objective function
- recognition algorithm
- segmentation algorithm
- decomposition algorithm
- optimization method
- estimation algorithm
- hybrid algorithm
- similarity measure
- segmentation method
- probabilistic model
- learning algorithm
- matching algorithm
- convergence rate
- wavelet packet
- expectation maximization
- transfer function
- wireless sensor networks
- linear transform