no code implementations • 28 Jan 2025 • Hesameddin Mokhtarzadeh, Mohammed Saif, Md. Jahangir Hossain, Julian Cheng
We model the SH cache hit rate as a function of outage probability and user density distribution.
no code implementations • 8 Nov 2024 • Tianfeng Wu, Fang Yang, Fei Li, Renzhi Yuan, Tian Cao, Ling Cheng, Jian Song, Julian Cheng, Zhu Han
This paper tackles limitations in existing non-line-of-sight (NLoS) ultraviolet (UV) channel models, where conventional approaches assume obstacle-free propagation or uniform radiation intensity.
no code implementations • 13 Jun 2024 • Hossein Safi, Mohammad Taghi Dabiri, Julian Cheng, Iman Tavakkolnia, Harald Haas
We also utilize combining methods such as equal gain combining (EGC) and maximal ratio combining (MRC) for data detection, benchmarking their performance against the GLRT-based method.
no code implementations • 18 Mar 2024 • Yang Yang, Mingzhe Chen, Yufei Blankenship, Jemin Lee, Zabih Ghassemlooy, Julian Cheng, Shiwen Mao
The purpose of this paper is to provide a comprehensive overview of existing works and new trends in the field of positioning techniques from both the academic and industrial perspectives.
no code implementations • 25 Jan 2024 • Zhiyu Zhu, Yang Yang, Mingzhe Chen, Caili Guo, Julian Cheng, Shuguang Cui
This paper provides a comprehensive survey of VLP systems.
no code implementations • 14 Feb 2022 • Qianqian Wang, Quansheng Guan, Julian Cheng, Yuankun Tang
The tag backscatters the pulses based on the piezoelectric effect of a piezo transducer.
no code implementations • 9 Dec 2020 • Renzhi Yuan, Julian Cheng
The quantum discrimination of two non-coherent states draws much attention recently.
Quantum Physics Signal Processing
no code implementations • 20 Sep 2020 • Chongjun Ouyang, Sheng Wu, Chunxiao Jiang, Julian Cheng, Hongwen Yang
Physical layer security is investigated over mixture Gamma (MG) distributed fading channels with discrete inputs.
2 code implementations • 10 Jul 2020 • Pengxia Wu, Julian Cheng
Moreover, compared with existing pure deep learning-based sparse reconstruction methods, the proposed hybrid data-driven scheme, which uses the novel data-driven measurement matrices with conventional sparse reconstruction algorithms, can achieve higher reconstruction accuracy.
no code implementations • 3 Jul 2020 • Bo Zhang, Renzhi Yuan, Jianfeng Sun, Julian Cheng, Mohamed-Slim Alouini
A free-space optical communication system using non-mode-selective photonic lantern (PL) based coherent receiver is studied.
no code implementations • 17 Jun 2020 • Yanjie Dong, Georgios B. Giannakis, Tianyi Chen, Julian Cheng, Md. Jahangir Hossain, Victor C. M. Leung
For strongly convex loss functions, FRPG and LFRPG have provably faster convergence rates than a benchmark robust stochastic aggregation algorithm.
no code implementations • 24 May 2020 • Hossein Safi, Akbar Dargahi, Julian Cheng, Majid Safari
Furthermore, closed-form expressions for the outage probability of the considered link under different turbulence regimes are derived.
no code implementations • 3 Jun 2019 • Yanjie Dong, Julian Cheng, Md. Jahangir Hossain, Victor C. M. Leung
The worst-case malfunctioning terminals are the Byzantine adversaries, that can perform arbitrary harmful operations to compromise the learned model based on the full knowledge of the networks.
1 code implementation • 22 Jan 2019 • Fan Meng, Peng Chen, Lenan Wu, Julian Cheng
The model-based power allocation algorithm has been investigated for decades, but it requires the mathematical models to be analytically tractable and it usually has high computational complexity.
Information Theory Information Theory
no code implementations • 20 Dec 2018 • Xiao Chen, Julian Cheng, Zaichen Zhang, Liang Wu, Jian Dang
The GDR scheme can achieve higher data rate than the conventional one-hot vector scheme with comparable BLER performance.
Information Theory Information Theory