no code implementations • 15 Oct 2024 • Ouwen Huan, Yang Yang, Tao Luo, Mingzhe Chen
To exploit unlabeled CSI data and images, a SSL framework that consists of a pretraining stage and a downstream training stage is proposed.
no code implementations • 15 Oct 2024 • Ouwen Huan, Tao Luo, Mingzhe Chen
To reduce the impact of label noises caused by incorrect matching between unlabeled CSI and vehicle locations obtained from images and achieve better convergence, we introduce a weighted loss function on the unlabeled datasets, and study the use of a meta-learning algorithm for computing the weighted loss.
no code implementations • 1 Aug 2024 • Weihang Ding, Zhaohui Yang, Mingzhe Chen, Yuchen Liu, Mohammad Shikh-Bahaei
To solve the simplified problem, this paper introduces both greedy and heuristic algorithms through optimizing both vehicle assignments and predictive beamforming.
no code implementations • 8 Jul 2024 • Yixuan Chen, Mingzhe Chen, Hao Xu, Zhaohui Yang, Kai-Kit Wong, Zhaoyang Zhang
In this letter, we study the energy efficiency maximization problem for a fluid antenna system (FAS) in near field communications.
no code implementations • 29 Jun 2024 • Zifan Zhang, Yuchen Liu, Zhiyuan Peng, Mingzhe Chen, Dongkuan Xu, Shuguang Cui
To bridge this gap, we introduce a novel digital twin-assisted optimization framework, called D-REC, which integrates reinforcement learning (RL) with diverse intervention modules to ensure reliable caching in nextG wireless networks.
no code implementations • 22 Apr 2024 • Zifan Zhang, Mingzhe Chen, Zhaohui Yang, Yuchen Liu
In recent years, the complexity of 5G and beyond wireless networks has escalated, prompting a need for innovative frameworks to facilitate flexible management and efficient deployment.
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 • 22 Jan 2024 • Yujiao Zhu, Mingzhe Chen, Sihua Wang, Ye Hu, Yuchen Liu, Changchuan Yin
Meanwhile, since the accuracy of the distance estimation depends on the signal-to-noise ratio of the transmission signals, the active UAV must optimize its transmit power.
no code implementations • 21 Jan 2024 • Yihan Cang, Ming Chen, Yijin Pan, Zhaohui Yang, Ye Hu, Haijian Sun, Mingzhe Chen
By iteratively solving the primal problem and master problem, the optimal scheduling and resource allocation scheme is obtained.
no code implementations • 22 Nov 2023 • Licheng Lin, Mingzhe Chen, Zhaohui Yang, Yusen Wu, Yuchen Liu
In particular, our designed clustered FL algorithm must overcome two challenges associated with FL training.
no code implementations • 12 Nov 2023 • Zeyang Hu, Tianyu Liu, Changsheng You, Zhaohui Yang, Mingzhe Chen
Thus, it has the great potential to improve the spectrum efficiency of conventional wireless systems with bit transmissions, especially in low signal-to-noise ratio (SNR) and small bandwidth regions.
no code implementations • 4 Feb 2023 • Sihua Wang, Mingzhe Chen, Cong Shen, Changchuan Yin, Christopher G. Brinton
The PS, acting as a central controller, generates a global FL model using the received local FL models and broadcasts it back to all devices.
no code implementations • 1 Jan 2023 • Wenjing Zhang, Yining Wang, Mingzhe Chen, Tao Luo, Dusit Niyato
In this paper, a semantic communication framework for image transmission is developed.
Multi-agent Reinforcement Learning Reinforcement Learning (RL) +1
no code implementations • 21 Sep 2022 • Sihua Wang, Mingzhe Chen, Christopher G. Brinton, Changchuan Yin, Walid Saad, Shuguang Cui
Compared to model-free RL, this model-based RL approach leverages the derived mathematical characterization of the FL training process to discover an effective device selection and quantization scheme without imposing additional device communication overhead.
no code implementations • 25 Aug 2022 • Nima Tavangaran, Mingzhe Chen, Zhaohui Yang, José Mairton B. da Silva Jr., H. Vincent Poor
Furthermore, we define an optimization problem to reduce this upper bound and the total privacy leakage.
no code implementations • 17 Aug 2022 • Yining Wang, Mingzhe Chen, Tao Luo, Walid Saad, Dusit Niyato, H. Vincent Poor, Shuguang Cui
Hence, the BS must select an appropriate resource block for each user as well as determine and transmit part of the semantic information to the users.
no code implementations • 15 Aug 2022 • Songling Zhang, Zhaohui Yang, Mingzhe Chen, Danpu Liu, Kai-Kit Wong, H. Vincent Poor
Then, substituting the expressions of the beamforming matrices of the BS and the users, the original sum-rate maximization problem can be transformed into a problem that only needs to optimize the phase shifts of the IRS.
no code implementations • 18 Apr 2022 • Zhiyu Zhu, Caili Guo, Rongzhen Bao, Mingzhe Chen, Walid Saad, Yang Yang
In this paper, the arc feature of the circular luminaire and the coordinate information obtained via visible light communication (VLC) are jointly used for VLC-enabled indoor positioning, and a novel perspective arcs approach is proposed.
no code implementations • 12 Mar 2022 • Lunan Sun, Yang Yang, Mingzhe Chen, Caili Guo, Walid Saad, H. Vincent Poor
In particular, a new IB objective for image transmission is proposed so as to minimize the distortion and the transmission rate.
no code implementations • 24 Jan 2022 • Mingzhe Chen, Xi Xiao, Bin Zhang, Xinyu Liu, Runiu Lu
In this paper, we propose to extend Neural Architecture Search (NAS) technique for designing an optimal model for multiple facial attributes-based depression recognition, which can be efficiently and robustly implemented in a small dataset.
no code implementations • 29 Aug 2021 • Yang Yang, Yujie Yang, Mingzhe Chen, Chunyan Feng, Hailun Xia, Shuguang Cui, H. Vincent Poor
First, a MU-MC-VLC system model is established, and then a sum-rate maximization problem under dimming level and illumination uniformity constraints is formulated.
no code implementations • 3 Aug 2021 • Wanpeng Zhang, Xi Xiao, Yao Yao, Mingzhe Chen, Dijun Luo
MBDP consists of two kinds of dropout mechanisms, where the rollout-dropout aims to improve the robustness with a small cost of sample efficiency, while the model-dropout is designed to compensate for the lost efficiency at a slight expense of robustness.
no code implementations • 5 Apr 2021 • Mingzhe Chen, Deniz Gündüz, Kaibin Huang, Walid Saad, Mehdi Bennis, Aneta Vulgarakis Feljan, H. Vincent Poor
Then, we present a detailed literature review on the use of communication techniques for its efficient deployment.
no code implementations • 4 Apr 2021 • Sihua Wang, Mingzhe Chen, Zhaohui Yang, Changchuan Yin, Walid Saad, Shuguang Cui, H. Vincent Poor
In this paper, the problem of minimizing the weighted sum of age of information (AoI) and total energy consumption of Internet of Things (IoT) devices is studied.
no code implementations • 5 Mar 2021 • Chuanhong Liu, Caili Guo, Yang Yang, Mingzhe Chen, H. Vincent Poor, Shuguang Cui
Then, the problem of user selection and bandwidth allocation is studied for FL implemented over a hybrid VLC/RF system aiming to optimize the FL performance.
no code implementations • 22 Feb 2021 • Lanqing Li, Yuanhao Huang, Mingzhe Chen, Siteng Luo, Dijun Luo, Junzhou Huang
Meta-learning for offline reinforcement learning (OMRL) is an understudied problem with tremendous potential impact by enabling RL algorithms in many real-world applications.
no code implementations • 5 Feb 2021 • Tengchan Zeng, Omid Semiari, Mingzhe Chen, Walid Saad, Mehdi Bennis
The results also validate the feasibility of the contract-theoretic incentive mechanism and show that the proposed mechanism can improve the convergence speed of the DFP algorithm by 40% compared to the baselines.
no code implementations • 29 Jan 2021 • Amin Shahraki, Mahmoud Abbasi, Md. Jalil Piran, Mingzhe Chen, Shuguang Cui
Cellular Internet of Things (IoT) is considered as de facto paradigm to improve the communication and computation systems.
Networking and Internet Architecture
1 code implementation • 29 Jan 2021 • Yining Wang, Mingzhe Chen, Zhaohui Yang, Walid Saad, Tao Luo, Shuguang Cui, H. Vincent Poor
The problem is formulated as an optimization problem whose goal is to maximize the reliability of the VR network by selecting the appropriate VAPs to be turned on and controlling the user association with SBSs.
no code implementations • 27 Jan 2021 • Zhong Yang, Mingzhe Chen, Xiao Liu, Yuanwei Liu, Yue Chen, Shuguang Cui, H. Vincent Poor
To this end, the fundamentals of this framework are first introduced.
no code implementations • 24 Dec 2020 • Yihan Cang, Ming Chen, Zhaohui Yang, Mingzhe Chen, Chongwen Huang
To meet the traffic and illumination demands of the ground users while minimizing the energy consumption of the UAVs, one must optimize UAV deployment, phase shift of RISs, user association and RIS association.
Information Theory Information Theory
no code implementations • 6 Dec 2020 • Ye Hu, Mingzhe Chen, Walid Saad, H. Vincent Poor, Shuguang Cui
Analytical results show that, the proposed VD-RL algorithm is guaranteed to converge to a local optimal solution of the non-convex optimization problem.
no code implementations • 31 Aug 2020 • Henrik Hellström, José Mairton B. da Silva Jr, Mohammad Mohammadi Amiri, Mingzhe Chen, Viktoria Fodor, H. Vincent Poor, Carlo Fischione
As data generation increasingly takes place on devices without a wired connection, machine learning (ML) related traffic will be ubiquitous in wireless networks.
no code implementations • 20 Jul 2020 • Sihua Wang, Mingzhe Chen, Xuanlin Liu, Changchuan Yin, Shuguang Cui, H. Vincent Poor
Since the data size of each computational task is different, as the requested computational task varies, the BSs must adjust their resource (subcarrier and transmit power) and task allocation schemes to effectively serve the users.
no code implementations • 5 Jul 2020 • Zhaohui Yang, Mingzhe Chen, Walid Saad, Choong Seon Hong, Mohammad Shikh-Bahaei, H. Vincent Poor, Shuguang Cui
In this paper, the problem of delay minimization for federated learning (FL) over wireless communication networks is investigated.
1 code implementation • 5 Jun 2020 • Nir Shlezinger, Mingzhe Chen, Yonina C. Eldar, H. Vincent Poor, Shuguang Cui
We show that combining universal vector quantization methods with FL yields a decentralized training system in which the compression of the trained models induces only a minimum distortion.
no code implementations • 3 Jun 2020 • Mingzhe Chen, H. Vincent Poor, Walid Saad, Shuguang Cui
However, due to resource constraints and privacy challenges, edge IoT devices may not be able to transmit their collected data to a central controller for training machine learning models.
no code implementations • 25 May 2020 • Ye Hu, Mingzhe Chen, Walid Saad, H. Vincent Poor, Shuguang Cui
Meanwhile, the probability that the DBS serves over 50% of user requests increases about 27%, compared to the baseline policy gradient algorithm.
no code implementations • 1 May 2020 • Zhaohui Yang, Mingzhe Chen, Walid Saad, Wei Xu, Mohammad Shikh-Bahaei, H. Vincent Poor, Shuguang Cui
In this network, multiple RISs are spatially distributed to serve wireless users and the energy efficiency of the network is maximized by dynamically controlling the on-off status of each RIS as well as optimizing the reflection coefficients matrix of the RISs.
no code implementations • 19 Mar 2020 • Sihua Wang, Mingzhe Chen, Changchuan Yin, Walid Saad, Choong Seon Hong, Shuguang Cui, H. Vincent Poor
This problem is posed as an optimization problem whose goal is to minimize the energy and time consumption for task computing and transmission by adjusting the user association, service sequence, and task allocation scheme.
1 code implementation • 18 Mar 2020 • Minh N. H. Nguyen, Shashi Raj Pandey, Kyi Thar, Nguyen H. Tran, Mingzhe Chen, Walid Saad, Choong Seon Hong
Consequently, many emerging cross-device AI applications will require a transition from traditional centralized learning systems towards large-scale distributed AI systems that can collaboratively perform multiple complex learning tasks.
no code implementations • 2 Mar 2020 • Linyan Lu, Zhaohui Yang, Mingzhe Chen, Zelin Zang, Mohammad Shikh-Bahaei
In this paper, a machine learning based deployment framework of unmanned aerial vehicles (UAVs) is studied.
no code implementations • 19 Feb 2020 • Tengchan Zeng, Omid Semiari, Mohammad Mozaffari, Mingzhe Chen, Walid Saad, Mehdi Bennis
Unmanned aerial vehicle (UAV) swarms must exploit machine learning (ML) in order to execute various tasks ranging from coordinated trajectory planning to cooperative target recognition.
no code implementations • 28 Jan 2020 • Xiao Liu, Mingzhe Chen, Yuanwei Liu, Yue Chen, Shuguang Cui, Lajos Hanzo
Artificial intelligence (AI) assisted unmanned aerial vehicle (UAV) aided next-generation networking is proposed for dynamic environments.
no code implementations • 22 Jan 2020 • Mingzhe Chen, H. Vincent Poor, Walid Saad, Shuguang Cui
Due to the limited number of resource blocks (RBs) in a wireless network, only a subset of users can be selected to transmit their local FL model parameters to the BS at each learning step.
no code implementations • 28 Nov 2019 • Yining Wang, Mingzhe Chen, Zhaohui Yang, Tao Luo, Walid Saad
Using GRUs and CNNs, the UAVs can model the long-term historical illumination distribution and predict the future illumination distribution.
no code implementations • 6 Nov 2019 • Zhaohui Yang, Mingzhe Chen, Walid Saad, Choong Seon Hong, Mohammad Shikh-Bahaei
To solve this problem, an iterative algorithm is proposed where, at every step, closed-form solutions for time allocation, bandwidth allocation, power control, computation frequency, and learning accuracy are derived.
no code implementations • 17 Sep 2019 • Yining Wang, Mingzhe Chen, Zhaohui Yang, Xue Hao, Tao Luo, Walid Saad
This problem is formulated as an optimization problem whose goal is to minimize the total transmit power while meeting the illumination and communication requirements of users.
1 code implementation • 17 Sep 2019 • Mingzhe Chen, Zhaohui Yang, Walid Saad, Changchuan Yin, H. Vincent Poor, Shuguang Cui
This joint learning, wireless resource allocation, and user selection problem is formulated as an optimization problem whose goal is to minimize an FL loss function that captures the performance of the FL algorithm.
no code implementations • 11 Jun 2019 • Xuanlin Liu, Mingzhe Chen, Changchuan Yin, Walid Saad
Then, a series architecture ESN is proposed in which ESN reservoirs are placed in cascade that the output of each ESN is the input of the next ESN in the series.
no code implementations • 4 Dec 2018 • Mingzhe Chen, Omid Semiari, Walid Saad, Xuanlin Liu, Changchuan Yin
The proposed algorithm uses concept from federated learning to enable multiple BSs to locally train their deep ESNs using their collected data and cooperatively build a learning model to predict the entire users' locations and orientations.
Information Theory Information Theory
no code implementations • 15 Apr 2018 • Ursula Challita, Aidin Ferdowsi, Mingzhe Chen, Walid Saad
Cellular-connected unmanned aerial vehicles (UAVs) will inevitably be integrated into future cellular networks as new aerial mobile users.
no code implementations • 9 Oct 2017 • Mingzhe Chen, Ursula Challita, Walid Saad, Changchuan Yin, Mérouane Debbah
Next-generation wireless networks must support ultra-reliable, low-latency communication and intelligently manage a massive number of Internet of Things (IoT) devices in real-time, within a highly dynamic environment.