English
Related papers

Related papers: DBSCAN for nonlinear equalization in high-capacity…

200 papers

Despite the proliferation of generative models, achieving fast sampling during inference without compromising sample diversity and quality remains challenging. Existing models such as Denoising Diffusion Probabilistic Models (DDPM) deliver…

Machine Learning · Computer Science 2023-10-12 Yanwu Xu , Mingming Gong , Shaoan Xie , Wei Wei , Matthias Grundmann , Kayhan Batmanghelich , Tingbo Hou

As the 50G optical access gradually matures, it is time to discuss Beyond 50G optical access. According to the evolution rules of optical access standards, Beyond 50G optical access data rate may achieve 200Gb/s. Direct detection faces…

Networking and Internet Architecture · Computer Science 2024-10-15 Ji Zhou , Cheng Li , Haide Wang , Zhiyang Liu , Weiping Liu , Changyuan Yu

Speech signal processing is a cornerstone of modern communication technologies, tasked with improving the clarity and comprehensibility of audio data in noisy environments. The primary challenge in this field is the effective separation and…

Sound · Computer Science 2025-10-07 Abdulhady Abas Abdullah , Aram Mahmood Ahmed , Tarik Rashid , Hadi Veisi

There is a tremendous need to maximize signal capacity without sacrificing energy consumption and complexity in optical fiber communications due to the rise of network traffic demand and critical latency-aware services such as telemedicine…

Signal Processing · Electrical Eng. & Systems 2018-12-24 Elias Giacoumidis , Jinlong Wei , Ivan Aldaya , Christian Sanchez , Hichem Mrabet , Liam P. Barry

We present PS-DBSCAN, a communication efficient parallel DBSCAN algorithm that combines the disjoint-set data structure and Parameter Server framework in Platform of AI (PAI). Since data points within the same cluster may be distributed…

Databases · Computer Science 2017-11-06 Xu Hu , Jun Huang , Minghui Qiu , Cen Chen , Wei Chu

In this paper, we present a novel closed-form model (CFM) for accurate and fast evaluation of nonlinear interference in modern ultrawideband coherent optical fiber communication systems. Starting from the Gaussian noise model (GN model),…

Signal Processing · Electrical Eng. & Systems 2020-06-08 Mahdi Ranjbar Zefreh , Pierluigi Poggiolini

Digital backpropagation (DBP) is one of the most effective techniques for compensating nonlinear distortions in coherent optical fiber communication systems. However, its practical application to wideband transmission remains limited by…

Diffusion-based semantic communication methods have shown significant advantages in image transmission by harnessing the generative power of diffusion models. However, they still face challenges, including generation randomness that leads…

Image and Video Processing · Electrical Eng. & Systems 2024-11-12 Weixuan Chen , Qianqian Yang

For an orthogonal frequency-division multiplexing (OFDM) system over a doubly selective (DS) channel, a large number of pilot subcarriers are needed to estimate the numerous channel parameters, resulting in low spectral efficiency. In this…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Qibo Qin , Lin Gui , Bo Gong , Xiang Ren , Wen Chen

This paper addresses channel estimation and data equalization on frequency-selective 1-bit quantized Multiple Input-Multiple Output (MIMO) systems. No joint processing or Channel State Information is assumed at the transmitter, and…

Information Theory · Computer Science 2021-03-09 Javier García , Jawad Munir , Kilian Roth , Josef A. Nossek

Achieving reliable communication over different channels and modes is one of the main goals of Mode Division Multiplexing-Wavelength Division Multiplexing (MDM-WDM) communication networks. The reliability can be described by minimum Signal…

Signal Processing · Electrical Eng. & Systems 2021-07-27 Mohammad Ali Amirabadi , Mohammad Hossein Kahaei , S. Alireza Nezamalhosseini

Data-parallel SGD is the de facto algorithm for distributed optimization, especially for large scale machine learning. Despite its merits, communication bottleneck is one of its persistent issues. Most compression schemes to alleviate this…

Neural and Evolutionary Computing · Computer Science 2024-02-07 Ashok Vardhan Makkuva , Marco Bondaschi , Thijs Vogels , Martin Jaggi , Hyeji Kim , Michael C. Gastpar

This paper takes the first steps toward enabling wireless networks to perform both imaging and communication in a distributed manner. We propose Distributed Simultaneous Imaging and Symbol Detection (DSISD), a provably convergent…

Systems and Control · Electrical Eng. & Systems 2022-06-22 Nishant Mehrotra , Ashutosh Sabharwal , César A. Uribe

In this paper, we investigate an algorithm to attain additive white Gaussian noise (AWGN) performance in spectrally non-white channels, using multicarrier communications, i.e., orthogonal frequency division multiplexing (OFDM) and…

Signal Processing · Electrical Eng. & Systems 2021-09-14 Hosseinali Jamal , David W. Matolak

The achievable information rates of optical communication networks have been widely increased over the past four decades with the introduction and development of optical amplifiers, coherent detection, advanced modulation formats, and…

Information Theory · Computer Science 2017-05-16 Tianhua Xu

In this paper, a new methodology is proposed that allows for the low-complexity development of neural network (NN) based equalizers for the mitigation of impairments in high-speed coherent optical transmission systems. In this work, we…

Deep Neural Network (DNN) based super-resolution algorithms have greatly improved the quality of the generated images. However, these algorithms often yield significant artifacts when dealing with real-world super-resolution problems due to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Kangfu Mei , Shenglong Ye , Rui Huang

This paper proposes a novel broadband transmission technology, termed delay alignment modulation (DAM), which enables the low-complexity equalization-free single-carrier communication, yet without suffering from inter-symbol interference…

Information Theory · Computer Science 2022-01-10 Haiquan Lu , Yong Zeng

Optical communication systems represent the backbone of modern communication networks. Since their deployment, different fiber technologies have been used to deal with optical fiber impairments such as dispersion-shifted fibers and…

Networking and Internet Architecture · Computer Science 2017-08-22 Abdelkerim Amari , Octavia A. Dobre , Ramachandran Venkatesan , O. S. Sunish Kumar , Philippe Ciblat , Yves Jaouën

Deep learning-based joint source-channel coding (DeepJSCC) has emerged as a promising technique in 6G for enhancing the efficiency and reliability of data transmission across diverse modalities, particularly in low signal-to-noise ratio…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Kaiyi Chi , Yinghui He , Qianqian Yang , Zhiping Jiang , Yuanchao Shu , Zhiqin Wang , Jun Luo , Jiming Chen
‹ Prev 1 3 4 5 6 7 10 Next ›