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Federated learning (FL) is a training technique that enables client devices to jointly learn a shared model by aggregating locally-computed models without exposing their raw data. While most of the existing work focuses on improving the FL…

机器学习 · 计算机科学 2022-01-11 Sai Qian Zhang , Jieyu Lin , Qi Zhang

Due to its communication efficiency and privacy-preserving capability, federated learning (FL) has emerged as a promising framework for machine learning in 5G-and-beyond wireless networks. Of great interest is the design and optimization of…

信息论 · 计算机科学 2022-06-13 Tung T. Vu , Duy T. Ngo , Hien Quoc Ngo , Minh N. Dao , Nguyen H. Tran , Richard H. Middleton

Optimal resource allocation is a fundamental challenge for dense and heterogeneous wireless networks with massive wireless connections. Because of the non-convex nature of the optimization problem, it is computationally demanding to obtain…

网络与互联网体系结构 · 计算机科学 2019-05-01 Kazi Ishfaq Ahmed , Ekram Hossain

Rate-Splitting Multiple Access (RSMA) is a promising strategy for ensuring robust transmission in multi-antenna wireless systems. In this paper, we investigate the performance of RSMA in a downlink Decode-and-Forward (DF) relay scenario…

信号处理 · 电气工程与系统科学 2024-09-16 Ahmet Sacid Sümer , Mehmet Mert Şahin , Hüseyin Arslan

The evolution of wireless mobile networks towards cloudification, where Radio Access Network (RAN) functions can be hosted at either a central or distributed locations, offers many benefits like low cost deployment, higher capacity, and…

网络与互联网体系结构 · 计算机科学 2023-11-08 Axel Grönland , Bleron Klaiqi , Xavier Gelabert

In this letter, we investigate a joint power and beamforming design problem for rate-splitting multiple access (RSMA)-based aerial communications with energy harvesting, where a self-sustainable aerial base station serves multiple users by…

信息论 · 计算机科学 2023-06-23 Jaehyup Seong , Mesut Toka , Wonjae Shin

Federated learning (FL) is a promising and powerful approach for training deep learning models without sharing the raw data of clients. During the training process of FL, the central server and distributed clients need to exchange a vast…

机器学习 · 计算机科学 2021-04-27 Zhefeng Qiao , Xianghao Yu , Jun Zhang , Khaled B. Letaief

Federated learning (FL) enables on-device training over distributed networks consisting of a massive amount of modern smart devices, such as smartphones and IoT (Internet of Things) devices. However, the leading optimization algorithm in…

机器学习 · 计算机科学 2019-09-04 Xin Yao , Tianchi Huang , Chenglei Wu , Rui-Xiao Zhang , Lifeng Sun

Over the past few years, significant advancements have been made in the field of machine learning (ML) to address resource management, interference management, autonomy, and decision-making in wireless networks. Traditional ML approaches…

机器学习 · 计算机科学 2023-11-07 Xiaonan Liu , Yansha Deng , Arumugam Nallanathan , Mehdi Bennis

In this letter, we investigate the resource allocation for downlink multi-cell coordinated OFDMA wireless networks, in which power allocation and subcarrier scheduling are jointly optimized. Aiming at maximizing the weighted sum of the…

信息论 · 计算机科学 2012-09-18 Zesong Fei , Shuo Li , Chengwen Xing , Yiqing Zhou , Jingming Kuang

In this article, we study a Radio Resource Allocation (RRA) that was formulated as a non-convex optimization problem whose main aim is to maximize the spectral efficiency subject to satisfaction guarantees in multiservice wireless systems.…

Reconfigurable intelligent surfaces (RIS) have emerged as a promising technology for enhancing wireless communication by dynamically controlling signal propagation in the environment. However, their efficient deployment relies on accurate…

信号处理 · 电气工程与系统科学 2025-06-12 Mohammad Ghassemi , Sara Farrag Mobarak , Han Zhang , Ali Afana , Akram Bin Sediq , Melike Erol-Kantarci

In this paper, the potential benefits of applying the Rate-Splitting Multiple Access (RSMA) in multi-cell dense networks are explored. Using tools of stochastic geometry, the sum-rate of RSMA-enhanced multi-cell dense networks is evaluated…

信息论 · 计算机科学 2022-07-26 Qiao Zhu , Zhihong Qian , Bruno Clerckx , Xue Wang

Terahertz (THz) communication with ultra-wide available spectrum is a promising technique that can achieve the stringent requirement of high data rate in the next-generation wireless networks, yet its severe propagation attenuation…

人工智能 · 计算机科学 2023-04-27 Po-Chun Hsu , Li-Hsiang Shen , Chun-Hung Liu , Kai-Ten Feng

As an enhanced version of massive machine-type communication in 5G, massive communication has emerged as one of the six usage scenarios anticipated for 6G, owing to its potential in industrial internet-of-things and smart metering. Driven…

信息论 · 计算机科学 2025-04-17 Yutao Chen , Wei Chen

Cell-free massive multiple-input multiple-output (MIMO) is a key technology for next-generation wireless systems. The integration of cell-free massive MIMO within the open radio access network (O-RAN) architecture addresses the growing need…

信号处理 · 电气工程与系统科学 2026-05-04 Mohammad Hossein Shokouhi , Vincent W. S. Wong

This letter investigates the reconfigurable intelligent surface (RIS)-assisted multiple-input single-output (MISO) wireless system, where both half-duplex (HD) and full-duplex (FD) operating modes are considered together, for the first time…

信号处理 · 电气工程与系统科学 2021-10-12 Alice Faisal , Ibrahim Al-Nahhal , Octavia A. Dobre , Telex M. N. Ngatched

Setting the transmit power setting of 5G cells has been a long-term topic of discussion, as optimized power settings can help reduce interference and improve the quality of service to users. Recently, machine learning (ML)-based, especially…

网络与互联网体系结构 · 计算机科学 2022-09-28 Peizheng Li , Hakan Erdol , Keith Briggs , Xiaoyang Wang , Robert Piechocki , Abdelrahim Ahmad , Rui Inacio , Shipra Kapoor , Angela Doufexi , Arjun Parekh

Network slicing enables the operator to configure virtual network instances for diverse services with specific requirements. To achieve the slice-aware radio resource scheduling, dynamic slicing resource partitioning is needed to…

网络与互联网体系结构 · 计算机科学 2022-02-28 Tianlun Hu , Qi Liao , Qiang Liu , Dan Wellington , Georg Carle

Deep Reinforcement Learning (DRL) has recently witnessed significant advances that have led to multiple successes in solving sequential decision-making problems in various domains, particularly in wireless communications. The future…

机器学习 · 计算机科学 2020-11-10 Amal Feriani , Ekram Hossain