Search Results for author: Xiaomin Chen

Found 4 papers, 0 papers with code

Geometry-Based Stochastic Line-of-Sight Probability Model for A2G Channels under Urban Scenarios

no code implementations6 Sep 2021 Qiuming Zhu, Fei Bai, Minghui Pang, Jie Li, Weizhi Zhong, Xiaomin Chen, Kai Mao

Line-of-sight (LoS) path is essential for the reliability of air-to-ground (A2G) communications, but the existence of LoS path is difficult to predict due to random obstacles on the ground.

Map-based Channel Modeling and Generation for U2V mmWave Communication

no code implementations8 Apr 2021 Qiuming Zhu, Kai Mao, Maozhong Song, Xiaomin Chen, Boyu Hua, Weizhi Zhong, Xijuan Ye

The computation and generation methods of channel parameters including interpath and intra-path are analyzed in detail.

Private and Utility Enhanced Recommendations with Local Differential Privacy and Gaussian Mixture Model

no code implementations26 Feb 2021 Jeyamohan Neera, Xiaomin Chen, Nauman Aslam, Kezhi Wang, Zhan Shu

At the SP, The MoG model estimates the noise added to perturbed ratings and the MF algorithm predicts missing ratings.

Recommendation Systems

Effects of Digital Map on the RT-based Channel Model for UAV mmWave Communications

no code implementations28 Jul 2020 Qiuming Zhu, Shan Jiang, Cheng-Xiang Wang, Boyu Hua, Kai Mao, Xiaomin Chen, Weizhi Zhong

Based on the geometry and ray tracing (RT) theory, a millimeter wave (mmWave) channel model and parameter computation method for unmanned aerial vehicle (UAV) assisted air-to-ground (A2G) communications are proposed in this paper.

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