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A deep neural network (DNN) based power control method is proposed, which aims at solving the non-convex optimization problem of maximizing the sum rate of a multi-user interference channel. Towards this end, we first present PCNet, which…

Signal Processing · Electrical Eng. & Systems 2019-03-12 Fei Liang , Cong Shen , Wei Yu , Feng Wu

A deep learning (DL)-based power control algorithm that solves the max-min user fairness problem in a cell-free massive multiple-input multiple-output (MIMO) system is proposed. Max-min rate optimization problem in a cell-free massive MIMO…

Signal Processing · Electrical Eng. & Systems 2021-02-23 Nuwanthika Rajapaksha , K. B. Shashika Manosha , Nandana Rajatheva , Matti Latva-aho

This paper considers the sum spectral efficiency (SE) optimization problem in multi-cell Massive MIMO systems with a varying number of active users. This is formulated as a joint pilot and data power control problem. Since the problem is…

Information Theory · Computer Science 2020-05-28 Trinh Van Chien , Thuong Nguyen Canh , Emil Björnson , Erik G. Larsson

Deep neural networks (DNNs) are emerging as a potential solution to solve NP-hard wireless resource allocation problems. However, in the presence of intricate constraints, e.g., users' quality-of-service (QoS) constraints, guaranteeing…

Networking and Internet Architecture · Computer Science 2023-06-06 Mehrazin Alizadeh , Hina Tabassum

Deep Reinforcement Learning (DRL) has become a popular method for solving control problems in power systems. Conventional DRL encourages the agent to explore various policies encoded in a neural network (NN) with the goal of maximizing the…

Systems and Control · Electrical Eng. & Systems 2024-10-28 Tong Wu , Anna Scaglione , Daniel Arnold

Optimizing power control in multi-cell cellular networks with deep learning enables such a non-convex problem to be implemented in real-time. When channels are time-varying, the deep neural networks (DNNs) need to be re-trained frequently,…

Machine Learning · Computer Science 2020-11-09 Jia Guo , Chenyang Yang

In this paper, a general framework for deep learning-based power control methods for max-min, max-product and max-sum-rate optimization in uplink cell-free massive multiple-input multiple-output (CF mMIMO) systems is proposed. Instead of…

Information Theory · Computer Science 2021-10-19 Yongshun Zhang , Jiayi Zhang , Yu Jin , Stefano Buzzi , Bo Ai

With the increasing number of base stations (BSs) and network densification in 5G, interference management using link scheduling and power control are vital for better utilization of radio resources. However, the complexity of solving link…

Networking and Internet Architecture · Computer Science 2018-11-20 Shenghe Xu , Pei Liu , Ran Wang , Shivendra S. Panwar

In this paper, wireless video transmission to multiple users under total transmission power and minimum required video quality constraints is studied. In order to provide the desired performance levels to the end-users in real-time video…

Machine Learning · Computer Science 2018-10-18 Chuang Ye , M. Cenk Gursoy , Senem Velipasalar

Learning-based model predictive control (MPC) is an approach designed to reduce the computational cost of MPC. In this paper, a constrained deep neural network (DNN) design is proposed to learn MPC policy for nonlinear systems. Using…

Systems and Control · Electrical Eng. & Systems 2023-03-30 Farshid Asadi

We consider a multicast scheme recently proposed for a wireless downlink in [1]. It was shown earlier that power control can significantly improve its performance. However for this system, obtaining optimal power control is intractable…

Networking and Internet Architecture · Computer Science 2019-10-25 Ramkumar Raghu , Pratheek Upadhyaya , Mahadesh Panju , Vaneet Aggarwal , Vinod Sharma

We consider a typical heterogeneous network (HetNet), in which multiple access points (APs) are deployed to serve users by reusing the same spectrum band. Since different APs and users may cause severe interference to each other, advanced…

Information Theory · Computer Science 2020-08-11 Lin Zhang , Ying-Chang Liang

In this paper, we propose a deep learning based approach to design online power control policies for large EH networks, which are often intractable stochastic control problems. In the proposed approach, for a given EH network, the optimal…

Signal Processing · Electrical Eng. & Systems 2019-03-12 Mohit K Sharma , Alessio Zappone , Merouane Debbah , Mohamad Assaad

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. Recently, the data-driven model-free…

Information Theory · Computer Science 2019-01-23 Fan Meng , Peng Chen , Lenan Wu , Julian Cheng

Multicasting in wireless systems is a natural way to exploit the redundancy in user requests in a Content Centric Network. Power control and optimal scheduling can significantly improve the wireless multicast network's performance under…

Networking and Internet Architecture · Computer Science 2021-12-08 Ramkumar Raghu , Mahadesh Panju , Vaneet Aggarwal , Vinod Sharma

Deep learning, as a highly efficient method for metasurface inverse design, commonly use simulation data to train deep neural networks (DNNs) that can map desired functionalities to proper metasurface designs. However, the assumptions and…

Signal Processing · Electrical Eng. & Systems 2023-08-07 Jingxin Zhang , Jiawei Xi , Peixing Li , Ray C. C. Cheung , Alex M. H. Wong , Jensen Li

In this paper, we consider a multi-cell network where every base station (BS) serves multiple users with an antenna array. Each user is associated with only one BS and has a single antenna. Assume that only long-term channel state…

Information Theory · Computer Science 2013-11-14 Siduo Shen , Tat-Ming Lok

This paper proposes a deep learning-based optimal battery management scheme for frequency regulation (FR) by integrating model predictive control (MPC), supervised learning (SL), reinforcement learning (RL), and high-fidelity battery…

Systems and Control · Electrical Eng. & Systems 2022-01-05 Yun Li , Yixiu Wang , Yifu Chen , Kaixun Hua , Jiayang Ren , Ghazaleh Mozafari , Qiugang Lu , Yankai Cao

In this paper, we investigate the problems of sum power minimization and sum rate maximization for multi-cell networks with non-orthogonal multiple access. Considering the sum power minimization, we obtain closed-form solutions to the…

Information Theory · Computer Science 2017-11-03 Zhaohui Yang , Cunhua Pan , Yijin Pan , Wei Xu , Ming Chen , Maged Elkashlan

In downlink multiuser multiple-input multiple-output (MIMO) systems, block diagonalization (BD) is a practical linear precoding scheme which achieves the same degrees of freedom (DoF) as the optimal linear/nonlinear precoding schemes.…

Information Theory · Computer Science 2012-02-23 Yong Zeng , Erry Gunawan , Yong Liang Guan
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