# Multi-Beam Training for Near-Field Communications in High-Frequency Bands: A Sparse Array Perspective

> Research article (IEEE Transactions on Wireless Communications, 2025) · cited 10× · AI/ML

**Wikidata**: [openalex:W4416010404](https://www.wikidata.org/wiki/openalex:W4416010404)  
**Source**: https://4ort.xyz/entity/multi-beam-training-for-near-field-communications-in-high-frequency-bands-a-sparse-array-perspective