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This paper presents a compression scheme developed for the transport of downlink radio signals in packet fronthaul of centralized-radio access networks (C-RAN). The technique is tailored to frequency-domain functional splits, in which…

Signal Processing · Electrical Eng. & Systems 2020-01-13 Cleverson Nahum , Leonardo Ramalho , Joary Fortuna , Chenguang Lu , Miguel Berg , Igor Almeida , Aldebaro Klautau

Next-generation wireless networks are getting significant attention because they promise 10-factor enhancement in mobile broadband along with the potential to enable new heterogeneous services. Services include massive machine type…

Systems and Control · Electrical Eng. & Systems 2020-12-03 Neelam Singh , S. V. Sai Santosh , Sumit J. Darak

The presence of a super high rate, but also cost-efficient, easy-to-deploy, and scalable, backhaul/fronthaul framework is essential in the upcoming fifth-generation (5G) wireless networks \& beyond. Motivated by the mounting interest in the…

Networking and Internet Architecture · Computer Science 2017-05-05 Mohamed Alzenad , Muhammad Zeeshan Shakir , Halim Yanikomeroglu , Mohamed-Slim Alouini

We address the problem of exposure correction of dark, blurry and noisy images captured in low-light conditions in the wild. Classical image-denoising filters work well in the frequency space but are constrained by several factors such as…

Image and Video Processing · Electrical Eng. & Systems 2021-05-24 Ojasvi Yadav , Koustav Ghosal , Sebastian Lutz , Aljosa Smolic

Flooding protocols based on concurrent transmissions are regarded as the most reliable way to collect or disseminate data across a multi-hop low-power wireless mesh network. Recent works have shown that such protocols are effective for…

Networking and Internet Architecture · Computer Science 2022-08-30 Michael Baddeley , Yevgen Gyl , Markus Schuss , Xiaoyuan Ma , Carlo Alberto Boano

Convolutional neural networks have become an essential element of spatial deep learning systems. In the prevailing architecture, the convolution operation is performed with Fast Fourier Transforms (FFT) electronically in GPUs. The…

Emerging Technologies · Computer Science 2017-09-01 Jonathan George , Hani Nejadriahi , Volker Sorger

The Internet of Medical Things (IoMT) facilitates in-home electronic healthcare, transforming traditional hospital-based medical examination approaches. This paper proposes a novel transmit scheme for fog computing-enabled IoMT that…

Systems and Control · Electrical Eng. & Systems 2024-05-13 Jiasi Zhou , Yan Chen , Cong Zhou , Yanjing Sun

Communication in the presence of bounded timing asynchronism which is known to the receiver but cannot be easily compensated is studied. Examples of such situations include point-to-point communication over inter-symbol interference (ISI)…

Information Theory · Computer Science 2014-11-18 Ping-Chung Wang , Yu-Chih Huang , Krishna R. Narayanan

Adapting large AI models (LAMs) to personalized edge data is challenging because wireless devices have limited memory, computation, and uplink capacity. Federated fine-tuning preserves data privacy but still requires each device to host the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-26 Xianke Qiang , Zheng Chang , Li Wang , Ying-Chang Liang

Functional split is a promising technique to flexibly balance the processing cost at remote ends and the fronthaul rate in cloud radio access networks (C-RAN). By harvesting renewable energy, remote radio units (RRUs) can save grid power…

Networking and Internet Architecture · Computer Science 2019-11-18 Liumeng Wang , Sheng Zhou

Deep neural networks (DNNs) offer plenty of challenges in executing efficient computation at edge nodes, primarily due to the huge hardware resource demands. The article proposes HYDRA, hybrid data multiplexing, and runtime layer…

Hardware Architecture · Computer Science 2026-03-31 Sonu Kumar , Komal Gupta , Gopal Raut , Mukul Lokhande , Santosh Kumar Vishvakarma

Federated Learning (FL) is a distributed machine learning (ML) paradigm, aiming to train a global model by exploiting the decentralized data across millions of edge devices. Compared with centralized learning, FL preserves the clients'…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-15 Bocheng Chen , Nikolay Ivanov , Guangjing Wang , Qiben Yan

The rapid expansion of Internet of Things (IoT) deployments demands wireless protocols that combine high scalability with robust performance. Long Range-Frequency Hopping Spread Spectrum (LR-FHSS) extends LoRaWAN by increasing capacity and…

Networking and Internet Architecture · Computer Science 2025-05-06 Samer Lahoud , Kinda Khawam

In edge inference, an edge server provides remote-inference services to edge devices. This requires the edge devices to upload high-dimensional features of data samples over resource-constrained wireless channels, which creates a…

Information Theory · Computer Science 2021-12-15 Qiao Lan , Qunsong Zeng , Petar Popovski , Deniz Gündüz , Kaibin Huang

Federated learning (FL) enables distribution of machine learning workloads from the cloud to resource-limited edge devices. Unfortunately, current deep networks remain not only too compute-heavy for inference and training on edge devices,…

Machine Learning · Computer Science 2021-12-21 Sameer Bibikar , Haris Vikalo , Zhangyang Wang , Xiaohan Chen

With the development of edge networks and mobile computing, the need to serve heterogeneous data sources at the network edge requires the design of new distributed machine learning mechanisms. As a prevalent approach, Federated Learning…

Machine Learning · Computer Science 2024-06-04 Yilin Zheng , Atilla Eryilmaz

Orthogonal frequency-division multiplexing (OFDM) has been selected as the basis for the fifth-generation new radio (5G-NR) waveform developments. However, effective signal processing tools are needed for enhancing the OFDM spectrum in…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Juha Yli-Kaakinen , AlaaEddin Loulou , Toni Levanen , Kari Pajukoski , Arto Palin , Markku Renfors , Mikko Valkama

One of the main problems in mobile communication systems is the degradation of Radio Frequency (RF) connection when mobile user is far from base station. One way to solve this problem is to increase the transmitter power, but the mobile…

Signal Processing · Electrical Eng. & Systems 2018-11-21 Mohammad Ali Amirabadi

We consider the analysis and design of distributed wireless networks wherein remote radio heads (RRHs) coordinate transmissions to serve multiple users on the same resource block (RB). Specifically, we analyze two possible multiple-input…

Information Theory · Computer Science 2021-11-19 Hussein A. Ammar , Raviraj Adve , Shahram Shahbazpanahi , Gary Boudreau

Discrete multi-tone transmission (DMT) is a promising candidate for future 400G data center interconnects. Eight channels, each carrying 56 Gb/s of data can be combined in a 50-GHz channel grid to form a 400 Gb/s superchannel. For a fully…

Signal Processing · Electrical Eng. & Systems 2020-09-23 Annika Dochhan , Helmut Griesser , Nicklas Eiselt , Michael Eiselt , Jörg-Peter Elbers