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ERNIE-mmLayout: Multi-grained MultiModal Transformer for Document Understanding


Sep 18, 2022
Wenjin Wang, Zhengjie Huang, Bin Luo, Qianglong Chen, Qiming Peng, Yinxu Pan, Weichong Yin, Shikun Feng, Yu Sun, Dianhai Yu, Yin Zhang

* Accepted by ACM Multimedia 2022 

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Massive MIMO Hybrid Precoding for LEO Satellite Communications With Twin-Resolution Phase Shifters and Nonlinear Power Amplifiers


Jun 09, 2022
Li You, Xiaoyu Qiang, Ke-Xin Li, Christos G. Tsinos, Wenjin Wang, Xiqi Gao, Björn Ottersten

* 14 pages, 8 figures, to appear in IEEE Transactions on Communications 

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Hybrid RIS and DMA Assisted Multiuser MIMO Uplink Transmission With Electromagnetic Exposure Constraints


May 10, 2022
Hanyu Jiang, Li You, Jue Wang, Wenjin Wang, Xiqi Gao

* 14 pages, 6 figures 

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Near-Field Wideband Extremely Large-scale MIMO Transmission with Holographic Metasurface Antennas


May 05, 2022
Jie Xu, Li You, George C. Alexandropoulos, Xinping Yi, Wenjin Wang, Xiqi Gao

* 30 pages, 9 figures 

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Beam Squint-Aware Integrated Sensing and Communications for Hybrid Massive MIMO LEO Satellite Systems


Mar 01, 2022
Li You, Xiaoyu Qiang, Christos G. Tsinos, Fan Liu, Wenjin Wang, Xiqi Gao, Björn Ottersten

* to appear in IEEE Journal on Selected Areas in Communications 

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Hybrid Analog/Digital Precoding for Downlink Massive MIMO LEO Satellite Communications


Jan 17, 2022
Li You, Xiaoyu Qiang, Ke-Xin Li, Christos G. Tsinos, Wenjin Wang, Xiqi Gao, Björn Ottersten

* to appear in IEEE Transactions on Wireless Communications 

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LiteGEM: Lite Geometry Enhanced Molecular Representation Learning for Quantum Property Prediction


Jun 28, 2021
Shanzhuo Zhang, Lihang Liu, Sheng Gao, Donglong He, Xiaomin Fang, Weibin Li, Zhengjie Huang, Weiyue Su, Wenjin Wang


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Dynamic Metasurface Antennas for Energy Efficient Massive MIMO Uplink Communications


Jun 17, 2021
Li You, Jie Xu, George C. Alexandropoulos, Jue Wang, Wenjin Wang, Xiqi Gao


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Energy-Efficient Precoding in Electromagnetic Exposure-Constrained Uplink Multiuser MIMO


May 31, 2021
Jiayuan Xiong, Li You, Derrick Wing Kwan Ng, Wenjin Wang, Xiqi Gao

* We investigate the SAR-aware uplink precoder design for the EE maximization in multiuser MIMO transmission exploiting statistical CSI 

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Energy Efficiency Optimization for Multi-cell Massive MIMO: Centralized and Distributed Power Allocation Algorithms


May 31, 2021
Li You, Yufei Huang, Di Zhang, Zheng Chang, Wenjin Wang, Xiqi Gao

* to appear in IEEE Transactions on Communications 

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