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Related papers: Physical-Layer Network Coding for VPN in TDM-PON

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The study considers a three-node, two-way relaying network (TWRN) over a multi-carrier system, aiming to minimize the total power consumption of all the transmit and receiver activities. By employing digital network coding (DNC) and…

Information Theory · Computer Science 2017-09-05 Zhi Chen , Pin-Han Ho , Li Mei Peng

Fully Connected Neural Network (FCNN) is a class of Artificial Neural Networks widely used in computer science and engineering, whereas the training process can take a long time with large datasets in existing many-core systems. Optical…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-29 Fei Dai , Yawen Chen , Haibo Zhang , Zhiyi Huang

As deep neural network (DNN) models grow ever-larger, they can achieve higher accuracy and solve more complex problems. This trend has been enabled by an increase in available compute power; however, efforts to continue to scale electronic…

Emerging Technologies · Computer Science 2020-06-25 Liane Bernstein , Alexander Sludds , Ryan Hamerly , Vivienne Sze , Joel Emer , Dirk Englund

In this paper, the problem of designing network codes that are both communicationally and computationally efficient over packet line networks with worst-case schedules is considered. In this context, random linear network codes (dense…

Information Theory · Computer Science 2015-03-19 Anoosheh Heidarzadeh , Amir H. Banihashemi

Cell-free massive multiple-input multiple-output (mMIMO) networks enhance coverage and spectral efficiency (SE) by distributing antennas across access points (APs) with phase coherence between APs. However, the use of cost-efficient local…

Signal Processing · Electrical Eng. & Systems 2025-06-26 Yibo Wu , Luca Sanguinetti , Musa Furkan Keskin , Ulf Gustavsson , Alexandre Graell i Amat , Henk Wymeersch

This paper proposes a novel, robust, and lightweight supervised Convolutional Neural Network (CNN)-based technique for frame identification and synchronization, designed to enhance short-link communication performance in a screen-to-camera…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Vaigai Nayaki Yokar , Hoa Le-Minh , Xicong Li , Wai Lok Woo , Luis Nero Alves , Stanislav Zvanovec , Tran The Son , Zabih Ghassemlooy

Due to the emergence of new paradigms and services such as 5G/6G, IoT, and more, current deployed wired Data Center Networks (DCNs) are not meeting the required performance metrics due to their limited reconfigurability, scalability, and…

Networking and Internet Architecture · Computer Science 2022-03-22 Abrar S. Alhazmi , Sanaa H. Mohamed , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

Passive optical network (PON) technology offers an attractive cost-efficient alternative to support 5G and Beyond 5G mobile network fronthauling (MFH). However, MFH for such networks is challenging given its high bandwidth and strict…

Networking and Internet Architecture · Computer Science 2021-10-19 Oscar J. Ciceri , Carlos A. Astudillo , Gustavo B. Figueiredo , Zuqing Zhu , Nelson L. S. da Fonseca

We characterize time and power allocations to optimize the sum-throughput of a Wireless Powered Communication Network (WPCN) with Non-Orthogonal Multiple Access (NOMA). In our setup, an Energy Rich (ER) source broadcasts wireless energy to…

Information Theory · Computer Science 2017-03-06 Mohamed A. Abd-Elmagid , Alessandro Biason , Tamer ElBatt , Karim G. Seddik , Michele Zorzi

A passive optical network (PON) based on non-orthogonal multiple access (NOMA) meets low latency and high capacity. In the NOMA-PON, the asynchronous clocks between the strong and weak optical network units (ONUs) cause the timing error and…

Signal Processing · Electrical Eng. & Systems 2024-09-16 Qingxin Lu , Haide Wang , Wenxuan Mo , Ji Zhou , Weiping Liu , Changyuan Yu

In traditional networks, interfaces of network nodes are duplex. But, emerging communication technologies such as visible light communication, millimeter-wave communications, can only provide a unidirectional interface when cost is limited.…

Networking and Internet Architecture · Computer Science 2018-04-10 Xiaohui Chen , Xiaowei Qin , Li Chen , Huarui Yin , Weidong Wang , Guo Wei , Tianyi Zhang , Yanbin Liu , Ting Zhu , Hailun Liu

The ever-increasing data demand craves advancements in high-speed and energy-efficient computing hardware. Analog optical neural network (ONN) processors have emerged as a promising solution, offering benefits in bandwidth and energy…

Optics · Physics 2026-04-07 Chao Luan , Ronald Davis , Zaijun Chen , Dirk Englund , Ryan Hamerly

Cell-Free massive MIMO networks provide huge power gains and resolve inter-cell interference by coherent processing over a massive number of distributed instead of co-located antennas in access points (APs). Cost-efficient hardware is…

Signal Processing · Electrical Eng. & Systems 2023-05-23 Yibo Wu , Luca Sanguinetti , Ulf Gustavsson , Alexandre Graell i Amat , Henk Wymeersch

Existing mobile devices have the capability to use multiple network technologies simultaneously to help increase performance; but they rarely, if at all, effectively use these technologies in parallel. We first present empirical data to…

Networking and Internet Architecture · Computer Science 2013-06-11 Jason Cloud , Flavio du Pin Calmon , Weifei Zeng , Giovanni Pau , Linda Zeger , Muriel Medard

Ensuring both feasibility and efficiency in optimal power flow (OPF) operations has become increasingly important in modern power systems with high penetrations of renewable energy and energy storage. While deep neural networks (DNNs) have…

Systems and Control · Electrical Eng. & Systems 2025-10-13 Yeomoon Kim , Minsoo Kim , Jip Kim

The problem of designing new physical-layer network coding (PNC) schemes via lattice partitions is considered. Building on a recent work by Nazer and Gastpar, who demonstrated its asymptotic gain using information-theoretic tools, we take…

Information Theory · Computer Science 2016-11-15 Chen Feng , Danilo Silva , Frank R. Kschischang

We propose orthogonal frequency division multiplexing (OFDM), as a spectrally efficient multiplexing technique, for quantum key distribution (QKD) at the core of trustednode quantum networks. Two main schemes are proposed and analyzed in…

Quantum Physics · Physics 2015-11-24 Sima Bahrani , Mohsen Razavi , Jawad A. Salehi

In this work, we focus on the classical optical channel having Poissonian statistical behavior and propose a novel secrecy coding-based physical layer protocol. Our protocol is different but complementary to both (computationally secure)…

Cryptography and Security · Computer Science 2022-04-26 Masahito Hayashi , Angeles Vazquez-Castro

Mode division multiplexing (MDM) in optical fibers enables multichannel capabilities for various applications, including data transmission, quantum networks, imaging, and sensing. However, MDM optical fiber systems, usually necessities…

Optics · Physics 2023-11-10 Kaihang Lu , Zengqi Chen , Hao Chen , Wu Zhou , Zunyue Zhang , Hon Ki Tsang , Yeyu Tong

In this work, novel physical layer security (PLS) schemes are proposed for orthogonal frequency-division multiplexing (OFDM) to secure both data and pilots. The majority of previous studies focus on only securing the data without…

Signal Processing · Electrical Eng. & Systems 2021-10-25 Salah Eddine Zegrar , Haji M. Furqan , Huseyin Arslan