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Sensitivity-based distributed programming (SBDP) is a decomposition method for solving large-scale nonlinear programs over graph-structured networks. However, its convergence depends on the strength and structure of subsystem coupling. To…

最优化与控制 · 数学 2026-05-20 Maximilian Pierer von Esch , Andreas Völz , Knut Graichen

Intelligent wireless networks have long been expected to have self-configuration and self-optimization capabilities to adapt to various environments and demands. In this paper, we develop a novel distributed hierarchical deep reinforcement…

信号处理 · 电气工程与系统科学 2023-12-06 Kaiwen Yu , Chonghao Zhao , Gang Wu , Geoffrey Ye Li

The dual-pixel (DP) hardware works by splitting each pixel in half and creating an image pair in a single snapshot. Several works estimate depth/inverse depth by treating the DP pair as a stereo pair. However, dual-pixel disparity only…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Liyuan Pan , Shah Chowdhury , Richard Hartley , Miaomiao Liu , Hongguang Zhang , Hongdong Li

In long-distance fiber optic transmission, the optic fiber link and erbium-doped fiber amplifiers can introduce excessive noise, which reduces the optical signal-to-noise ratio (OSNR). The narrow-band optical filters can be used to…

光学 · 物理学 2024-08-05 Mingwen Zhu , Shangsu Ding , Zhixue Li , Song Yu , Jianming Shang , Bin Luo

Diffusion models have achieved cutting-edge performance in image generation. However, their lengthy denoising process and computationally intensive score estimation network impede their scalability in low-latency and resource-constrained…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Qian Zeng , Jie Song , Han Zheng , Hao Jiang , Mingli Song

Radio on Free Space Optics (RoFSO), as a universal platform for heterogeneous wireless services, is able to transmit multiple radio frequency signals at high rates in free space optical networks. This paper investigates the optimal design…

信号处理 · 电气工程与系统科学 2019-06-25 Zhan Gao , Mark Eisen , Alejandro Ribeiro

Diffusion models (DMs) have demonstrated to be powerful priors for signal recovery, but their application to 1-bit quantization tasks, such as 1-bit compressed sensing and logistic regression, remains a challenge. This difficulty stems from…

机器学习 · 计算机科学 2026-01-13 Youming Chen , Zhaoqiang Liu

This paper proposes a communication strategy for decentralized learning on wireless systems. Our discussion is based on the decentralized parallel stochastic gradient descent (D-PSGD), which is one of the state-of-the-art algorithms for…

网络与互联网体系结构 · 计算机科学 2020-02-26 Koya Sato , Yasuyuki Satoh , Daisuke Sugimura

Distributed power control over interference limited network has received an increasing intensity of interest over the past few years. Distributed solutions (like the iterative water-filling, gradient projection, etc.) have been intensively…

信息论 · 计算机科学 2015-05-19 Yong Cheng , Vincent K. N. Lau

We study the behavior of the belief-propagation (BP) algorithm affected by erroneous data exchange in a wireless sensor network (WSN). The WSN conducts a distributed binary hypothesis test where the joint statistical behavior of the sensor…

信息论 · 计算机科学 2020-04-14 Younes Abdi , Tapani Ristaniemi

We propose discrete-time polarization mode dispersion (PMD) models that are compatible with the emerging coherent receiver techniques, and statistical sampling schemes for the model parameters. These models use multiple-input…

光学 · 物理学 2012-12-06 A. Gokcen Mahmutoglu , Alper T. Erdogan , Alper Demir

There is growing interest in the challenging visual perception task of learning from long-tailed class distributions. The extreme class imbalance in the training dataset biases the model to prefer recognizing majority class data over…

计算机视觉与模式识别 · 计算机科学 2024-02-19 Jae Soon Baik , In Young Yoon , Jun Won Choi

This paper investigates robust semantic communications over multiple-input multiple-output (MIMO) fading channels. Current semantic communications over MIMO channels mainly focus on channel adaptive encoding and decoding, which lacks…

信息论 · 计算机科学 2024-07-09 Yiheng Duan , Tong Wu , Zhiyong Chen , Meixia Tao

Learning-based stereo matching has recently achieved promising results, yet still suffers difficulties in establishing reliable matches in weakly matchable regions that are textureless, non-Lambertian, or occluded. In this paper, we address…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Jingyang Zhang , Yao Yao , Zixin Luo , Shiwei Li , Tianwei Shen , Tian Fang , Long Quan

Interference mitigation techniques are essential for improving the performance of interference limited wireless networks. In this paper, we introduce novel interference mitigation schemes for wireless cellular networks with space division…

信息论 · 计算机科学 2014-08-18 Martin Kasparick , Gerhard Wunder

The use of dual polarization in mobile satellite systems is very promising as a means for increasing the transmission capacity. In this paper we study a system which uses simultaneously two orthogonal polarizations in order to communicate…

信号处理 · 电气工程与系统科学 2018-03-22 Anxo Tato , Pol Henarejos , Carlos Mosquera , Ana I. Pérez-Neira

Distributed optimization methods with local updates have recently attracted a lot of attention due to their potential to reduce the communication cost of distributed methods. In these algorithms, a collection of nodes performs several local…

最优化与控制 · 数学 2023-10-11 Sulaiman A. Alghunaim

Limited bandwidth resources and higher energy efficiency requirements motivate incorporating multicast and broadcast transmission into the next-generation cellular network architectures, particularly for multimedia streaming applications.…

信息论 · 计算机科学 2019-04-04 Junlin Zhao , Deniz Gündüz , Osvaldo Simeone , David Gómez-Barquero

Generative Diffusion Models (GDMs), have made significant strides in modeling complex data distributions across diverse domains. Meanwhile, Deep Reinforcement Learning (DRL) has demonstrated substantial improvements in optimizing Wi-Fi…

网络与互联网体系结构 · 计算机科学 2025-01-08 Tie Liu , Xuming Fang , Rong He

The recently proposed orthogonal delay-Doppler division multiplexing (ODDM) modulation has been demonstrated to enjoy excellent reliability over doubly-dispersive channels. However, most of the prior analysis tends to ignore the interactive…

信号处理 · 电气工程与系统科学 2025-08-05 Xuehan Wang , Jinhong Yuan , Jintao Wang , Zhi Sun
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