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With the high development of wireless communication techniques, it is widely used in various fields for convenient and efficient data transmission. Different from commonly used assumption of the time-invariant wireless channel, we focus on…

Information Theory · Computer Science 2020-11-10 Mengfan Liu , Rui Wang

The problem of resource constrained scheduling in a dynamic and heterogeneous wireless setting is considered here. In our setup, the available limited bandwidth resources are allocated in order to serve randomly arriving service demands,…

Machine Learning · Computer Science 2022-04-01 Apostolos Avranas , Marios Kountouris , Philippe Ciblat

Generative Diffusion Models (GDMs), have made significant strides in modeling complex data distributions across diverse domains. Meanwhile, Deep Reinforcement Learning (DRL) has demonstrated substantial improvements in optimizing Wi-Fi…

Networking and Internet Architecture · Computer Science 2025-01-08 Tie Liu , Xuming Fang , Rong He

Intelligent reflecting surface (IRS) is a promising technology to assist downlink information transmissions from a multi-antenna access point (AP) to a receiver. In this paper, we minimize the AP's transmit power by a joint optimization of…

Signal Processing · Electrical Eng. & Systems 2020-05-26 Jiaye Lin , Yuze Zou , Xiaoru Dong , Shimin Gong , Dinh Thai Hoang , Dusit Niyato

Intelligent wireless networks have long been expected to have self-configuration and self-optimization capabilities to adapt to various environments and demands. In this paper, we develop a novel distributed hierarchical deep reinforcement…

Signal Processing · Electrical Eng. & Systems 2023-12-06 Kaiwen Yu , Chonghao Zhao , Gang Wu , Geoffrey Ye Li

This study focuses on the development of a simulation-driven reinforcement learning (RL) framework for optimizing routing decisions in complex queueing network systems, with a particular emphasis on manufacturing and communication…

Artificial Intelligence · Computer Science 2025-07-28 Fatima Al-Ani , Molly Wang , Jevon Charles , Aaron Ong , Joshua Forday , Vinayak Modi

In this paper, we develop a knowledge-assisted deep reinforcement learning (DRL) algorithm to design wireless schedulers in the fifth-generation (5G) cellular networks with time-sensitive traffic. Since the scheduling policy is a…

Signal Processing · Electrical Eng. & Systems 2021-02-04 Zhouyou Gu , Changyang She , Wibowo Hardjawana , Simon Lumb , David McKechnie , Todd Essery , Branka Vucetic

The emergence of new wireless technologies together with the requirement of massive connectivity results in several technical issues such as excessive interference, high computational demand for signal processing, and lengthy processing…

Signal Processing · Electrical Eng. & Systems 2021-10-25 Firas Fredj , Yasser Al-Eryani , Setareh Maghsudi , Mohamed Akrout , Ekram Hossain

This study considers multiple reconfigurable intelligent surfaces (RISs)-aided multiuser downlink systems with the goal of jointly optimizing the transmitter precoding and RIS phase shift matrix to maximize spectrum efficiency. Unlike prior…

Information Theory · Computer Science 2025-10-01 Po-Heng Chou , Bo-Ren Zheng , Wan-Jen Huang , Walid Saad , Yu Tsao , Ronald Y. Chang

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for sustainable support of massive Internet of Things (IoT). However, RF-WPT systems are characterized by low efficiency due to channel attenuation, which can be…

Signal Processing · Electrical Eng. & Systems 2024-05-08 Amirhossein Azarbahram , Onel L. A. López , Petar Popovski , Shashi Raj Pandey , Matti Latva-aho

Due to the rapid growth of heterogeneous wireless networks (HWNs), where devices with diverse communication technologies coexist, there is increasing demand for efficient and adaptive multi-hop routing with multiple data flows. Traditional…

Signal Processing · Electrical Eng. & Systems 2025-11-05 Brian Kim , Justin H. Kong , Terrence J. Moore , Fikadu T. Dagefu

A simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted multi-user downlink multiple-input single-output (MISO) communication system is investigated. In contrast to the existing ideal STAR-RIS model…

Systems and Control · Electrical Eng. & Systems 2022-05-11 Ruikang Zhong , Yuanwei Liu , Xidong Mu , Yue Chen , Xianbin Wang , Lajos Hanzo

End-to-End (E2E) learning-based concept has been recently introduced to jointly optimize both the transmitter and the receiver in wireless communication systems. Unfortunately, this E2E learning architecture requires a prior differentiable…

Networking and Internet Architecture · Computer Science 2023-08-08 Bolun Zhang , Nguyen Van Huynh

This paper studies a deep learning (DL) framework to solve distributed non-convex constrained optimizations in wireless networks where multiple computing nodes, interconnected via backhaul links, desire to determine an efficient assignment…

Information Theory · Computer Science 2019-06-03 Hoon Lee , Sang Hyun Lee , Tony Q. S. Quek

We consider a joint uplink and downlink scheduling problem of a fully distributed wireless networked control system (WNCS) with a limited number of frequency channels. Using elements of stochastic systems theory, we derive a sufficient…

Systems and Control · Electrical Eng. & Systems 2025-05-20 Gaoyang Pang , Kang Huang , Daniel E. Quevedo , Branka Vucetic , Yonghui Li , Wanchun Liu

The evolution of 5G wireless technology has revolutionized connectivity, enabling a diverse range of applications. Among these are critical use cases such as real time teleoperation, which demands ultra reliable low latency communications…

Networking and Internet Architecture · Computer Science 2025-05-23 Narges Golmohammadi , Madan Mohan Rayguru , Sabur Baidya

The combination of energy harvesting (EH), cognitive radio (CR), and non-orthogonal multiple access (NOMA) is a promising solution to improve energy efficiency and spectral efficiency of the upcoming beyond fifth generation network (B5G),…

Information Theory · Computer Science 2021-09-21 Zhaoyuan Shi , Xianzhong Xie , Huabing Lu , Helin Yang , Jun Cai , Zhiguo Ding

Federated learning (FL) is a viable technique to train a shared machine learning model without sharing data. Hierarchical FL (HFL) system has yet to be studied regrading its multiple levels of energy, computation, communication, and client…

Machine Learning · Computer Science 2024-06-24 Xiaojing Chen , Zhenyuan Li , Wei Ni , Xin Wang , Shunqing Zhang , Yanzan Sun , Shugong Xu , Qingqi Pei

Widespread deployment of relays can yield a significant boost in the throughput of forthcoming wireless networks. However, the optimal operation of large relay networks is still infeasible. This paper presents two approaches for the…

Signal Processing · Electrical Eng. & Systems 2023-08-25 Itsik Bergel

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
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