Pilot Assignment for Cell-Free Massive MIMO: A Spectral Clustering Approach.
Long ZhangShuangyu YangZhu HanPublished in: IEEE Wirel. Commun. Lett. (2024)
Keyphrases
- spectral clustering
- pairwise
- clustering method
- data clustering
- clustering algorithm
- k means
- image segmentation
- normalized cut
- affinity matrix
- graph laplacian
- alternative clusterings
- spectral methods
- similarity matrix
- graph partitioning
- eigendecomposition
- fading channels
- data analysis
- pairwise constraints
- graph clustering
- label propagation
- negative matrix factorization
- laplacian matrix