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The conventional grant-based network relies on the handshaking between base station and active users to achieve dynamic multi-user scheduling, which may cost large signaling overheads as well as system latency. To address those problems,…

Signal Processing · Electrical Eng. & Systems 2017-11-27 Fan Wei , Wen Chen , Yongpeng Wu , Jun Ma , Theodoros A. Tsiftsis

Training deep neural networks on large datasets containing high-dimensional data requires a large amount of computation. A solution to this problem is data-parallel distributed training, where a model is replicated into several…

Machine Learning · Computer Science 2021-03-18 Lusine Abrahamyan , Yiming Chen , Giannis Bekoulis , Nikos Deligiannis

In the semi-supervised setting where labeled data are largely limited, it remains to be a big challenge for message passing based graph neural networks (GNNs) to learn feature representations for the nodes with the same class label that is…

Machine Learning · Computer Science 2023-05-09 Acong Zhang , Ping Li , Guanrong Chen

Smart grids are exposed to passive eavesdropping, where attackers listen silently to communication links. Although no data is actively altered, such reconnaissance can reveal grid topology, consumption patterns, and operational behavior,…

Cryptography and Security · Computer Science 2026-05-11 Bochra Al Agha , Razane Tajeddine

Decentralized learning enables edge users to collaboratively train models by exchanging information via device-to-device communication, yet prior works have been limited to wireless networks with fixed topologies and reliable workers. In…

Information Theory · Computer Science 2022-02-03 Eunjeong Jeong , Matteo Zecchin , Marios Kountouris

In the massive machine-type communication (mMTC) scenario, a large number of devices with sporadic traffic need to access the network on limited radio resources. While grant-free random access has emerged as a promising mechanism for…

Signal Processing · Electrical Eng. & Systems 2023-04-13 Xinyu Bian , Yuyi Mao , Jun Zhang

A canonical wireless communication system consists of a transmitter and a receiver. The information bit stream is transmitted after coding, modulation, and pulse shaping. Due to the effects of radio frequency (RF) impairments, channel…

Signal Processing · Electrical Eng. & Systems 2020-09-01 Shilian Zheng , Shichuan Chen , Xiaoniu Yang

In this paper, we present a novel approach for joint activity detection (AD), channel estimation (CE), and data detection (DD) in uplink grant-free non-orthogonal multiple access (NOMA) systems. Our approach employs an iterative and…

Signal Processing · Electrical Eng. & Systems 2024-03-13 Yongjeong Oh , Jaehong Jo , Byonghyo Shim , Yo-Seb Jeon

In this paper, the problem of dynamic spectrum sensing and aggregation is investigated in a wireless network containing N correlated channels, where these channels are occupied or vacant following an unknown joint 2-state Markov model. At…

Signal Processing · Electrical Eng. & Systems 2020-07-29 Yunzeng Li , Wensheng Zhang , Cheng-Xiang Wang , Jian Sun , Yu Liu

The End-to-end (E2E) learning-based approach has great potential to reshape the existing communication systems by replacing the transceivers with deep neural networks. To this end, the E2E learning approach needs to assume the availability…

Networking and Internet Architecture · Computer Science 2024-10-29 Bolun Zhang , Nguyen Van Huynh , Dinh Thai Hoang , Diep N. Nguyen , Quoc-Viet Pham

The escalating complexity of network threats and the inherent class imbalance in traffic data present formidable challenges for modern Intrusion Detection Systems (IDS). While Graph Neural Networks (GNNs) excel in modeling topological…

Machine Learning · Computer Science 2026-04-15 Tianxiang Xu , Zhichao Wen , Xinyu Zhao , Qi Hu , Yan Li , Chang Liu

In this paper, we propose an end-to-end deep learning-based joint transceiver design algorithm for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, which consists of deep neural network (DNN)-aided pilot…

Information Theory · Computer Science 2021-10-27 Qiyu Hu , Yunlong Cai , Kai Kang , Guanding Yu , Jakob Hoydis , Yonina C. Eldar

We consider a two-user random access system in which each user independently selects a coding scheme from a finite set for every message, without sharing these choices with the other user or with the receiver. The receiver aims to decode…

Information Theory · Computer Science 2025-12-01 Nazanin Mirhosseini , Jie Luo

We consider the problem of transmitting correlated data after independent encoding to a central receiver through orthogonal channels. We assume that the channel state information is not known at the transmitter. The receiver has access to…

Information Theory · Computer Science 2010-07-07 Arvind Yedla , Henry D. Pfister , Krishna R. Narayanan

We investigate sequence machine learning techniques on raw radio signal time-series data. By applying deep recurrent neural networks we learn to discriminate between several application layer traffic types on top of a constant envelope…

Machine Learning · Computer Science 2016-10-04 Timothy J. O'Shea , Seth Hitefield , Johnathan Corgan

This paper studies the distributed L2-gain control problem for continuous-time large-scale systems under Round-Robin communication protocol. In this protocol, each sub-controller obtains its own subsystem's state information continuously,…

Systems and Control · Electrical Eng. & Systems 2020-01-07 Tao Yu , Junlin Xiong

Recent research in the design of end to end communication system using deep learning has produced models which can outperform traditional communication schemes. Most of these architectures leveraged autoencoders to design the encoder at the…

Information Theory · Computer Science 2020-01-28 Vishnu Raj , Sheetal Kalyani

The last mile connection is dominated by wireless links where heterogeneous nodes share the limited and already crowded electromagnetic spectrum. Current contention based decentralized wireless access system is reactive in nature to…

Networking and Internet Architecture · Computer Science 2020-02-03 Shuvam Chakraborty , Hesham Mohammed , Dola Saha

A network supporting deep unsupervised learning is presented. The network is an autoencoder with lateral shortcut connections from the encoder to decoder at each level of the hierarchy. The lateral shortcut connections allow the higher…

Machine Learning · Statistics 2015-02-03 Harri Valpola

Highly directional millimeter wave (mmWave) radios need to perform beam management to establish and maintain reliable links. To do so, existing solutions mostly rely on explicit coordination between the transmitter (TX) and the receiver…

Networking and Internet Architecture · Computer Science 2021-06-09 Michele Polese , Francesco Restuccia , Tommaso Melodia