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The Internet of Things (IoT) has witnessed unprecedented growth, resulting in a massive influx of diverse network traffic from interconnected devices. Effectively classifying this network traffic is crucial for optimizing resource…

Cryptography and Security · Computer Science 2024-02-05 Jawad Hussain Kalwar , Sania Bhatti

Deep neural networks (DNNs) and, in particular, convolutional neural networks (CNNs) have brought significant advances in a wide range of modern computer application problems. However, the increasing availability of large amounts of…

Machine Learning · Computer Science 2024-07-03 Axel Klawonn , Martin Lanser , Janine Weber

With the increasingly complex and changeable electromagnetic environment, wireless communication systems are facing jamming and abnormal signal injection, which significantly affects the normal operation of a communication system. In…

Signal Processing · Electrical Eng. & Systems 2022-05-31 Tingyan Kuang , Huichao Chen , Lu Han , Rong He , Wei Wang , Guoru Ding

In this paper, we propose two contributions to neural network based denoising. First, we propose applying separate convolutional layers to each sub-band of discrete wavelet transform (DWT) as opposed to the common usage of DWT which…

Machine Learning · Computer Science 2021-02-17 Caglar Aytekin , Sakari Alenius , Dmytro Paliy , Juuso Gren

Our proposed deeply-supervised nets (DSN) method simultaneously minimizes classification error while making the learning process of hidden layers direct and transparent. We make an attempt to boost the classification performance by studying…

Machine Learning · Statistics 2017-04-26 Chen-Yu Lee , Saining Xie , Patrick Gallagher , Zhengyou Zhang , Zhuowen Tu

While routing in wireless networks has been studied extensively, existing protocols are typically designed for a specific set of network conditions and so cannot accommodate any drastic changes in those conditions. For instance, protocols…

Networking and Internet Architecture · Computer Science 2021-01-01 Victoria Manfredi , Alicia Wolfe , Bing Wang , Xiaolan Zhang

In this paper, we propose an encoder-decoder neural architecture (called Channelformer) to achieve improved channel estimation for orthogonal frequency-division multiplexing (OFDM) waveforms in downlink scenarios. The self-attention…

Signal Processing · Electrical Eng. & Systems 2023-02-10 Dianxin Luan , John Thompson

Training deep neural networks often requires careful hyper-parameter tuning and significant computational resources. In this paper, we propose ConvTimeNet (CTN): an off-the-shelf deep convolutional neural network (CNN) trained on diverse…

Machine Learning · Computer Science 2019-05-03 Kathan Kashiparekh , Jyoti Narwariya , Pankaj Malhotra , Lovekesh Vig , Gautam Shroff

In this paper, we interpret Deep Neural Networks with Complex Network Theory. Complex Network Theory (CNT) represents Deep Neural Networks (DNNs) as directed weighted graphs to study them as dynamical systems. We efficiently adapt CNT…

Machine Learning · Computer Science 2021-10-19 Emanuele La Malfa , Gabriele La Malfa , Giuseppe Nicosia , Vito Latora

Anomaly detection has various applications including condition monitoring and fault diagnosis. The objective is to sense the environment, learn the normal system state, and then periodically classify whether the instantaneous state deviates…

Information Theory · Computer Science 2015-12-16 Kiril Ralinovski , Mario Goldenbaum , Sławomir Stańczak

Automatic modulation classification is of crucial importance in wireless communication networks. Deep learning based automatic modulation classification schemes have attracted extensive attention due to the superior accuracy. However, the…

Signal Processing · Electrical Eng. & Systems 2022-07-01 Rui Ding , Hao Zhang , Fuhui Zhou , Qihui Wu , Zhu Han

Due to imperfections in transmitters' hardware, wireless signals can be used to verify their identity in an authorization system. While deep learning was proposed for transmitter identification, the majority of the work has focused on…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Samer Hanna , Samurdhi Karunaratne , Danijela Cabric

Large-amplitude chatter vibrations are one of the most important phenomena in machining processes. It is often detrimental in cutting operations causing a poor surface finish and decreased tool life. Therefore, chatter detection using…

Signal Processing · Electrical Eng. & Systems 2023-03-15 Melih C. Yesilli , Firas A. Khasawneh , Brian Mann

This paper proposes a deep learning-based beamforming design framework that directly maps a target beam pattern to optimal beamforming vectors across multiple antenna array architectures, including digital, analog, and hybrid beamforming.…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Hongpu Zhang , Shu Sun , Hangsong Yan , Jianhua Mo

The era of ubiquitous, affordable wireless connectivity has opened doors to countless practical applications. In this context, ambient backscatter communication (AmBC) stands out, utilizing passive tags to establish connections with readers…

Information Theory · Computer Science 2023-11-16 S. Zargari , A. Hakimi , C. Tellambura , A. Maaref

RF emissions detection, classification, and spectro-temporal localization are crucial not only for tasks relating to understanding, managing, and protecting the RF spectrum, but also for safety and security applications such as detecting…

Networking and Internet Architecture · Computer Science 2021-07-13 Hai N. Nguyen , Marinos Vomvas , Triet Vo-Huu , Guevara Noubir

In this paper, we propose a deep learning model for Demodulation Reference Signal (DMRS) based channel estimation task. Specifically, a novel Denoise, Linear interpolation and Refine (DLR) pipeline is proposed to mitigate the noise…

Signal Processing · Electrical Eng. & Systems 2021-09-23 Yu Tian , Chengguang Li , Sen Yang

Finding a template in a search image is one of the core problems many computer vision, such as semantic image semantic, image-to-GPS verification \etc. We propose a novel quality-aware template matching method, QATM, which is not only used…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Jiaxin Cheng , Yue Wu , Wael Abd-Almageed , Premkumar Natarajan

With the demand of high data rate and low latency in fifth generation (5G), deep neural network decoder (NND) has become a promising candidate due to its capability of one-shot decoding and parallel computing. In this paper, three types of…

Signal Processing · Electrical Eng. & Systems 2018-02-01 Wei Lyu , Zhaoyang Zhang , Chunxu Jiao , Kangjian Qin , Huazi Zhang

Network embedding is a highly effective method to learn low-dimensional node vector representations with original network structures being well preserved. However, existing network embedding algorithms are mostly developed for a single…

Social and Information Networks · Computer Science 2021-05-06 Xiao Shen , Quanyu Dai , Sitong Mao , Fu-lai Chung , Kup-Sze Choi