Fast Beam Alignment for Millimeter Wave Time-Varying Channels Using Sparse Codes.
Long ChengGuangrong YuePei XiaoNing WeiShaoqian LiPublished in: IEEE Trans. Veh. Technol. (2021)
Keyphrases
- millimeter wave
- sparse codes
- sparse coding
- image classification
- radar images
- dictionary learning
- sparse representation
- discriminative power
- physical phenomena
- linear classifiers
- sar imagery
- imaging process
- image patches
- image formation
- automatic target recognition
- natural images
- feature extraction
- imaging systems
- pairwise