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Li Wei

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Near-Field Channel Modeling for Holographic MIMO Communications

Mar 16, 2024
Tierui Gong, Li Wei, Chongwen Huang, George C. Alexandropoulos, Mérouane Debbah, Chau Yuen

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Better Generalization with Semantic IDs: A case study in Ranking for Recommendations

Jun 13, 2023
Anima Singh, Trung Vu, Raghunandan Keshavan, Nikhil Mehta, Xinyang Yi, Lichan Hong, Lukasz Heldt, Li Wei, Ed Chi, Maheswaran Sathiamoorthy

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Holographic MIMO Communications with Arbitrary Surface Placements: Near-Field LoS Channel Model and Capacity Limit

Apr 11, 2023
Tierui Gong, Li Wei, Chongwen Huang, Zhijia Yang, Jiguang He, Mérouane Debbah, Chau Yuen

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A Generalized Electromagnetic-Domain Channel Modeling for LOS Holographic MIMO with Arbitrary Surface Placements

Mar 15, 2023
Tierui Gong, Li Wei, Zhijia Yang, Mérouane Debbah, Chau Yuen

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Improving Training Stability for Multitask Ranking Models in Recommender Systems

Feb 17, 2023
Jiaxi Tang, Yoel Drori, Daryl Chang, Maheswaran Sathiamoorthy, Justin Gilmer, Li Wei, Xinyang Yi, Lichan Hong, Ed H. Chi

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Channel Modeling and Multi-User Precoding for Tri-Polarized Holographic MIMO Communications

Feb 10, 2023
Li Wei, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang, Jun Yang, Wei E. I. Sha, Merouane Debbah, Chau Yuen

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Holographic MIMO Communications: Theoretical Foundations, Enabling Technologies, and Future Directions

Dec 02, 2022
Tierui Gong, Ioanna Vinieratou, Ran Ji, Chongwen Huang, George C. Alexandropoulos, Li Wei, Zhaoyang Zhang, Mérouane Debbah, H. Vincent Poor, Chau Yuen

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Tri-Polarized Holographic MIMO Surface in Near-Field: Channel Modeling and Precoding Design

Nov 07, 2022
Li Wei, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang, Jun Yang, Wei E. I. Sha, Zhaoyang Zhang, Merouane Debbah, Chau Yuen

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Simpson's Paradox in Recommender Fairness: Reconciling differences between per-user and aggregated evaluations

Oct 14, 2022
Flavien Prost, Ben Packer, Jilin Chen, Li Wei, Pierre Kremp, Nicholas Blumm, Susan Wang, Tulsee Doshi, Tonia Osadebe, Lukasz Heldt, Ed H. Chi, Alex Beutel

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