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Author

Lu-Xi Yang

2 papers indexed here

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2026

Hierarchical Group Method for Over-the-Air Channel Calibration in Cell-Free Massive MIMO

Cell-Free massive multiple-input multiple-output (CF-mMIMO) is a key technology for 6G networks, enabling efficient downlink beamforming by exploiting the channel reciprocity under time-division duplex (TDD) operation. However, mismatched radio-frequency (RF) gains in transceiver chains render the composite channel non...

Shi-Yuan Li, Shu Xu, Su-Ting Chen et al. · 0 citations
Preprint Aug 2026

Rank-Aware Element Grouping for Power-Efficient Multiuser ISAC With an Extremely Large-Scale IRS

We investigate power-efficient multiuser integrated sensing and communication (ISAC) assisted by an element-grouping extremely large-scale intelligent reflecting surface (EG-XL-IRS). The grouping pattern is designed using slowly varying statistical channel state information (S-CSI), so that both IRS-related channel acq...

Sheng-Sheng Zhang, Ritao Cheng, Zitong Wang et al. · 0 citations

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