Li Yu — Papers on Cortexa

arxiveess.SP2026-07-13

DeepRT Engine: A Unified GPU-Parallel Ray-Tracing Framework with Hybrid SBR-IM Path Search for 6G Digital Twin Channel

Tao Wu, Li Yu, Yuxiang Zhang, Jianhua Zhang, Qixing Wang, Guangyi Liu

Digital twin channel (DTC) aims to establish a real-time digital counterpart of physical wireless channels for reproducing and predicting site-specific propagation characteristics. As a high-precision channel computation method for realistic propagation scenarios, ray tracing (RT…

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arxivcs.IRcs.AI2026-06-26

CMSL: Constructive Multi-Sequence Learning for Recommendation Systems

Zikun Cui, Renzhi Wu, Junjie Yang, Li Sheng, Jijie Wei, Linfeng Liu, et al.

Sequence learning has emerged as the promising paradigm in recommendation systems, surpassing traditional Deep Learning Recommendation Models (DLRM) by capturing the temporal nuances of user behavior. However, current state-of-the-art architectures operate under a limiting analog…

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