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Rethinking WMMSE: Can Its Complexity Scale Linearly With the Number of BS Antennas?


May 22, 2022
Xiaotong Zhao, Siyuan Lu, Qingjiang Shi, Zhi-Quan Luo


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Rethinking WMMSE: Can Its Complexity Scale Linearly with the Number of BS Antennas?


May 12, 2022
Xiaotong Zhao, Siyuan Lu, Qingjiang Shi, Zhi-Quan Luo


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Downlink Channel Covariance Matrix Reconstruction for FDD Massive MIMO Systems with Limited Feedback


Apr 02, 2022
Kai Li, Ying Li, Lei Cheng, Qingjiang Shi, Zhi-Quan Luo


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Decentralized Linear MMSE Equalizer Under Colored Noise for Massive MIMO Systems


Jun 23, 2021
Xiaotong Zhao, Xin Guan, Mian Li, Qingjiang Shi

* 6 pages 

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Quantized Federated Learning under Transmission Delay and Outage Constraints


Jun 23, 2021
Yanmeng Wang, Yanqing Xu, Qingjiang Shi, Tsung-Hui Chang

* Submitted for publication 

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Signal Transformer: Complex-valued Attention and Meta-Learning for Signal Recognition


Jun 12, 2021
Yihong Dong, Ying Peng, Muqiao Yang, Songtao Lu, Qingjiang Shi


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An Efficient Learning Framework For Federated XGBoost Using Secret Sharing And Distributed Optimization


May 12, 2021
Lunchen Xie, Jiaqi Liu, Songtao Lu, Tsung-hui Chang, Qingjiang Shi

* 24 pages, Special issue of ACM Transactions on Intelligent Systems and Technology 

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Efficient Algorithms for Rotation Averaging Problems


Mar 18, 2021
Yihong Dong, Lunchen Xie, Qingjiang Shi

* Rotation Averaging, Reconstruction, BCD, SUM 

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