most citedCSI-GPT: Integrating Generative Pre-Trained Transformer with Federated-Tuning to Acquire Downlink Massive MIMO Channels

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cs.IT2024★ 1 cited

CSI-GPT: Integrating Generative Pre-Trained Transformer with Federated-Tuning to Acquire Downlink Massive MIMO Channels

Ye Zeng, Li Qiao, Zhen Gao +5

In massive multiple-input multiple-output (MIMO) systems, how to reliably acquire downlink channel state information (CSI) with low overhead is challenging. In this work, by integr…

cs.IT2024

Reconfigurable Massive MIMO: Precoding Design and Channel Estimation in the Electromagnetic Domain

Keke Ying, Zhen Gao, Yu Su +3

Reconfigurable massive multiple-input multiple-output (RmMIMO), as an electronically-controlled fluid antenna system, offers increased flexibility for future communication systems…

cs.IT2024

Near-Space Communications: the Last Piece of 6G Space-Air-Ground-Sea Integrated Network Puzzle

Hongshan Liu, Tong Qin, Zhen Gao +16

This article presents a comprehensive study on the emerging near-space communications (NS-COM) within the context of space-air-ground-sea integrated network (SAGSIN). Specifically,…