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In this paper, we investigate dynamic resource allocation (DRA) problems for Internet of Things (IoT) in real-time cloud radio access networks (C-RANs), by combining gradient boosting approximation and deep reinforcement learning to solve…

Information Theory · Computer Science 2019-10-30 Yifan Luo , Jiawei Yang , Wei Xu , Kezhi Wang , Marco Di Renzo

Reinforcement learning (RL) struggles to scale to large, combinatorial action spaces common in many real-world problems. This paper introduces a novel framework for training discrete diffusion models as highly effective policies in these…

Machine Learning · Computer Science 2026-05-21 Haitong Ma , Ofir Nabati , Aviv Rosenberg , Bo Dai , Oran Lang , Craig Boutilier , Na Li , Shie Mannor , Lior Shani , Guy Tenneholtz

This paper provides a comprehensive analysis and theoretical foundation for next-generation backscatter networks that move beyond communication and integrate RF location sensing capabilities. An end-to-end system model for wideband OFDM…

Ambient Backscatter Communication (AmBC) is an emerging communication technology that can enable green Internet-of-Things deployments. The widespread acceptance of this paradigm is limited by low Signal-to-Interference-Plus-Noise Ratio…

Signal Processing · Electrical Eng. & Systems 2020-08-25 Xiyu Wang , Hüseyin Yiğitler , Ruifeng Duan , Estifanos Yohannes Menta , Riku Jäntti

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

The growing demand for robust, scalable wireless networks in the 5G-and-beyond era has led to the deployment of Unmanned Aerial Vehicles (UAVs) as mobile base stations to enhance coverage in dense urban and underserved rural areas. This…

Systems and Control · Electrical Eng. & Systems 2025-12-04 Ghoshana Bista , Abbas Bradai , Emmanuel Moulay , Abdulhalim Dandoush

The combination of non-orthogonal multiple access (NOMA) using power-domain with backscatter sensor communication (BSC) is expected to connect a large-scale Internet of things (IoT) devices in future sixth-generation (6G) era. In this…

Signal Processing · Electrical Eng. & Systems 2022-12-21 Manzoor Ahmed , Wali Ullah Khan , Asim Ihsan , Xingwang Li , Jianbo Li , Theodoros A. Tsiftsis

This letter investigates a sum rate maximizationproblem in an intelligent reflective surface (IRS) assisted non-orthogonal multiple access (NOMA) downlink network. Specif-ically, the sum rate of all the users is maximized by…

Signal Processing · Electrical Eng. & Systems 2021-06-18 Ximing Xie , Shiyu Jiao , Zhiguo Ding

MIMO technology has enabled spatial multiple access and has provided a higher system spectral efficiency (SE). However, this technology has some drawbacks, such as the high number of RF chains that increases complexity in the system. One of…

Signal Processing · Electrical Eng. & Systems 2022-11-28 Yasaman Abdollahian , Ehsan Tohidi , Martin Kasparick , Li Wang , Ahmet Hasim Gokceoglu , Slawomir Stanczak

This letter presents a deep reinforcement learning (DRL) approach for transmission design to optimize the energy efficiency in vehicle-to-vehicle (V2V) communication links. Considering the dynamic environment of vehicular communications,…

Signal Processing · Electrical Eng. & Systems 2024-04-22 Zhengpeng Wang , Yanqun Tang , Yingzhe Mao , Tao Wang , Xiunan Huang

Packet routing is one of the fundamental problems in computer networks in which a router determines the next-hop of each packet in the queue to get it as quickly as possible to its destination. Reinforcement learning (RL) has been…

Networking and Internet Architecture · Computer Science 2019-11-15 Xinyu You , Xuanjie Li , Yuedong Xu , Hui Feng , Jin Zhao , Huaicheng Yan

In this paper, we investigate mobile edge computing (MEC) networks for intelligent internet of things (IoT), where multiple users have some computational tasks assisted by multiple computational access points (CAPs). By offloading some…

Signal Processing · Electrical Eng. & Systems 2020-08-04 Rui Zhao , Xinjie Wang , Junjuan Xia , Liseng Fan

The continuous evolution of future mobile communication systems is heading towards the integration of communication and computing, with Mobile Edge Computing (MEC) emerging as a crucial means of implementing Artificial Intelligence (AI)…

Networking and Internet Architecture · Computer Science 2024-04-23 Xinyang Du , Xuming Fang

In this paper, we study an intelligent reflecting surface (IRS)-aided wireless secure communication system for physical layer security, where an IRS is deployed to adjust its surface reflecting elements to guarantee secure communication of…

Signal Processing · Electrical Eng. & Systems 2020-12-25 Helin Yang , Zehui Xiong , Jun Zhao , Dusit Niyato , Liang Xiao , Qingqing Wu

Beamforming in multiple input multiple output (MIMO) systems is one of the key technologies for modern wireless communication. Creating appropriate sector-specific broadcast beams are essential for enhancing the coverage of cellular network…

Signal Processing · Electrical Eng. & Systems 2019-06-17 Rubayet Shafin , Hao Chen , Young Han Nam , Sooyoung Hur , Jeongho Park , Jianzhong , Zhang , Jeffrey Reed , Lingjia Liu

Cognitive backscattering, an integration of cognitive radio and backsatter modulation, is emerging as a potential candidate for green Internet of Things (IoT). In cognitive backscatter systems, the backscatter device (BD) shares not only…

Signal Processing · Electrical Eng. & Systems 2018-08-16 Huayan Guo , Qianqian Zhang , Dong Li , Ying-Chang Liang

This paper presents an innovative approach to enhancing machine learning based communication systems, specifically focusing on multiple-input multiple-output (MIMO) configurations using autoencoders. We optimize the transmitter, receiver,…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Mohammad Reza Ghavidel Aghdam , Alireza Naghavi

Applications of intelligent reflecting surfaces (IRSs) in wireless networks have attracted significant attention recently. Most of the relevant literature is focused on the single cell setting where a single IRS is deployed and perfect…

Signal Processing · Electrical Eng. & Systems 2021-04-02 Junghoon Kim , Seyyedali Hosseinalipour , Taejoon Kim , David J. Love , Christopher G. Brinton

The combination of cloud computing capabilities at the network edge and artificial intelligence promise to turn future mobile networks into service- and radio-aware entities, able to address the requirements of upcoming latency-sensitive…

Networking and Internet Architecture · Computer Science 2021-03-19 Sergio Martiradonna , Andrea Abrardo , Marco Moretti , Giuseppe Piro , Gennaro Boggia

A multi-agent deep reinforcement learning (MADRL) is a promising approach to challenging problems in wireless environments involving multiple decision-makers (or actors) with high-dimensional continuous action space. In this paper, we…

Information Theory · Computer Science 2021-09-13 Heunchul Lee , Jaeseong Jeong