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Scheduling flexible sources to promote the integration of renewable generation is one fundamental problem for operating active distribution networks (ADNs). However, existing works are usually based on power flow models, which require…

Optimization and Control · Mathematics 2022-08-09 Ge Chen , Hongcai Zhang , Yonghua Song

A primary design goal of the cell-free~(CF) massive MIMO architecture is to provide uniformly good coverage to all the user equipments~(UEs) connected to the network. However, it has been found that this requirement may not be satisfied in…

Information Theory · Computer Science 2023-08-17 Ashish Pratap Singh , Ribhu Chopra

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

In this paper, a centralized Power Control (PC) scheme and an interference channel learning method are jointly tackled to allow a Cognitive Radio Network (CRN) access to the frequency band of a Primary User (PU) operating based on an…

Networking and Internet Architecture · Computer Science 2015-10-23 Anestis Tsakmalis , Symeon Chatzinotas , Björn Ottersten

In the context of wireless networking, it was recently shown that multiple DNNs can be jointly trained to offer a desired collaborative behaviour capable of coping with a broad range of sensing uncertainties. In particular, it was…

Information Theory · Computer Science 2020-07-29 Matteo Zecchin , David Gesbert , Marios Kountouris

With the development of the 5G and Internet of Things, amounts of wireless devices need to share the limited spectrum resources. Dynamic spectrum access (DSA) is a promising paradigm to remedy the problem of inefficient spectrum utilization…

Networking and Internet Architecture · Computer Science 2021-06-18 Xiang Tan , Li Zhou , Haijun Wang , Yuli Sun , Haitao Zhao , Boon-Chong Seet , Jibo Wei , Victor C. M. Leung

Power consumption is one of the major issues in massive MIMO (multiple input multiple output) systems, causing increased long-term operational cost and overheating issues. In this paper, we consider per-antenna power allocation with a given…

Information Theory · Computer Science 2021-01-29 Navneet Garg , Mathini Sellathurai , Tharmalingam Ratnarajah

This paper proposes a new power control and pilot allocation scheme for device-to-device (D2D) communication underlaying a multi-cell massive MIMO system. In this scheme, the cellular users in each cell get orthogonal pilots which are…

Information Theory · Computer Science 2018-11-05 Amin Ghazanfari , Emil Björnson , Erik G. Larsson

Decentralized machine learning is a promising emerging paradigm in view of global challenges of data ownership and privacy. We consider learning of linear classification and regression models, in the setting where the training data is…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-06-20 Lie He , An Bian , Martin Jaggi

The widespread adoption of electric vehicles (EVs) poses several challenges to power distribution networks and smart grid infrastructure due to the possibility of significantly increasing electricity demands, especially during peak hours.…

Artificial Intelligence · Computer Science 2024-04-22 Amin Shojaeighadikolaei , Zsolt Talata , Morteza Hashemi

This paper studies multi-agent deep reinforcement learning (MADRL) based resource allocation methods for multi-cell wireless powered communication networks (WPCNs) where multiple hybrid access points (H-APs) wirelessly charge energy-limited…

Information Theory · Computer Science 2020-10-20 Sangwon Hwang , Hanjin Kim , Hoon Lee , Inkyu Lee

This work proposes novel approaches that jointly design user equipment (UE) association and power control (PC) in a downlink user-centric cell-free massive multiple-input multiple-output (CFmMIMO) network, where each UE is only served by a…

Information Theory · Computer Science 2024-05-21 Chongzheng Hao , Tung Thanh Vu , Hien Quoc Ngo , Minh N. Dao , Xiaoyu Dang , Chenghua Wang , Michail Matthaiou

Cooperative beamforming across access points (APs) and fronthaul quantization strategies are essential for cloud radio access network (C-RAN) systems. The nonconvexity of the C-RAN optimization problems, which is stemmed from per-AP power…

Signal Processing · Electrical Eng. & Systems 2021-07-07 Daesung Yu , Hoon Lee , Seok-Hwan Park , Seung-Eun Hong

The model-driven power allocation (PA) algorithms in the wireless cellular networks with interfering multiple-access channel (IMAC) have been investigated for decades. Nowadays, the data-driven model-free machine learning-based approaches…

Information Theory · Computer Science 2018-12-10 Fan Meng , Peng Chen , Lenan Wu

Decentralized federated learning (DFL), inherited from distributed optimization, is an emerging paradigm to leverage the explosively growing data from wireless devices in a fully distributed manner.DFL enables joint training of machine…

Signal Processing · Electrical Eng. & Systems 2023-10-10 Zhiyuan Zhai , Xiaojun Yuan , Xin Wang

In this paper, we investigate a cell-free massive multiple-input multiple-output system, which exhibits great potential in enhancing the capabilities of next-generation mobile communication networks. We first study the distributed…

Information Theory · Computer Science 2024-10-08 Ziheng Liu , Jiayi Zhang , Enyu Shi , Yiyang Zhu , Derrick Wing Kwan Ng , Bo Ai

Traditionally, resource management and capacity allocation has been controlled network-side in cellular deployment. As autonomicity has been added to network design, machine learning technologies have largely followed this paradigm,…

Networking and Internet Architecture · Computer Science 2022-02-02 Steven Platt , Berkay Demirel , Miquel Oliver

In this paper, we propose a distributed reinforcement learning (RL) technique called distributed power control using Q-learning (DPC-Q) to manage the interference caused by the femtocells on macro-users in the downlink. The DPC-Q leverages…

Machine Learning · Computer Science 2012-03-20 Hussein Saad , Amr Mohamed , Tamer ElBatt

In future cell-free (or cell-less) wireless networks, a large number of devices in a geographical area will be served simultaneously in non-orthogonal multiple access scenarios by a large number of distributed access points (APs), which…

Signal Processing · Electrical Eng. & Systems 2020-02-25 Yasser Al-Eryani , Mohamed Akrout , Ekram Hossain

This paper considers cell-free and user-centric approaches for coverage improvement in wireless cellular systems operating at millimeter wave frequencies, and proposes downlink power control algorithms aimed at maximizing the global energy…

Information Theory · Computer Science 2018-05-15 Mario Alonzo , Stefano Buzzi , Alessio Zappone
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