Centralized spectrum sensing based on covariance matrix decomposition and particle swarm clustering.
Jiawei ZhuangYonghua WangPin WanShunchao ZhangYongwei ZhangPublished in: Phys. Commun. (2021)
Keyphrases
- particle swarm
- matrix decomposition
- spectrum sensing
- nonnegative matrix factorization
- particle swarm optimization algorithm
- particle swarm optimization
- optimization method
- cognitive radio networks
- swarm intelligence
- clustering method
- multi objective
- evolutionary algorithm
- low rank
- k means
- optimization methods
- cognitive radio
- clustering algorithm
- differential evolution
- pso algorithm
- data summarization
- fitness function
- data streams
- latent structure
- global optimization
- convergence speed
- data clustering
- document clustering
- computational intelligence
- pairwise
- genetic algorithm
- wireless communication
- hybrid algorithm
- data mining
- multidimensional scaling
- metaheuristic
- data points
- artificial intelligence