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The coverage problem in wireless sensor networks deals with the problem of covering a region or parts of it with sensors. In this paper, we address the problem of covering a set of line segments in sensor networks. A line segment ` is said…

计算几何 · 计算机科学 2017-11-16 Dinesh Dash , Arijit Bishnu , Arobinda Gupta , Subhas C. Nandy

Coverage motion planning is essential to a wide range of robotic tasks. Unlike conventional motion planning problems, which reason over temporal sequences of states, coverage motion planning requires reasoning over the spatial distribution…

机器人学 · 计算机科学 2025-11-17 Max M. Sun , Jueun Kwon , Todd Murphey

Gridization, the process of partitioning space into grids where users share similar channel characteristics, serves as a fundamental prerequisite for efficient large-scale network optimization. However, existing methods like Geographical or…

机器学习 · 计算机科学 2025-07-22 Juntao Wang , Feng Yin , Tian Ding , Tsung-Hui Chang , Zhi-Quan Luo , Qi Yan

In the Minimum Clique Routing Problem on Cycles \textsc{MCRPC} we are given a cycle together with a set of demands (weighted origin-destination pairs) and the goal is to route all the pairs minimizing the maximum weighted clique of the…

数据结构与算法 · 计算机科学 2023-11-17 Mariana Escalante , Martín Matamala , Iván Rapaport , Paola Tolomei , Luis Miguel Torres

When a large collection of objects (e.g., robots, sensors, etc.) has to be deployed in a given environment, it is often required to plan a coordinated motion of the objects from their initial position to a final configuration enjoying some…

数据结构与算法 · 计算机科学 2014-07-03 Davide Bilò Luciano Gualà , Stefano Leucci , Guido Proietti

We present Photon Splatting, a physics-guided neural surrogate model for real-time wireless channel prediction in complex environments. The proposed framework introduces surface-attached virtual sources, referred to as photons, which carry…

机器学习 · 计算机科学 2025-07-08 Ge Cao , Gabriele Gradoni , Zhen Peng

We consider a discrete system of $n$ devices lying on a 2-dimensional square grid and forming an initial connected shape $S_I$. Each device is equipped with a linear-strength mechanism which enables it to move a whole line of consecutive…

数据结构与算法 · 计算机科学 2020-05-19 Abdullah Almethen , Othon Michail , Igor Potapov

The occurrence of extremely thin concentration boundary layers at fluid interfaces for high local P\'eclet numbers is a severe obstacle for efficient and accurate numerical simulation of mass transfer processes in two-phase fluid systems.…

计算物理 · 物理学 2025-11-27 Moritz Schwarzmeier , Tomislav Marić , Željko Tuković , Dieter Bothe

The increasing size of deep learning models has made distributed training across multiple devices essential. However, current methods such as distributed data-parallel training suffer from large communication and synchronization overheads…

机器学习 · 计算机科学 2025-02-10 Cabrel Teguemne Fokam , Khaleelulla Khan Nazeer , Lukas König , David Kappel , Anand Subramoney

In decentralized optimization, $m$ agents form a network and only communicate with their neighbors, which gives advantages in data ownership, privacy, and scalability. At the same time, decentralized stochastic gradient descent…

最优化与控制 · 数学 2022-12-13 Haishan Ye , Xiangyu Chang

In this paper, we study the connectivity of a one-dimensional soft random geometric graph (RGG). The graph is generated by placing points at random on a bounded line segment and connecting pairs of points with a probability that depends on…

概率论 · 数学 2021-01-04 Michael Wilsher , Carl P. Dettmann , Ayalvadi Ganesh

Identifying influential spreaders in complex networks is a critical challenge in network science, with broad applications in disease control, information dissemination, and influence analysis in social networks. The gravity model, a…

计算工程、金融与科学 · 计算机科学 2024-11-27 Jiaxun Li , Yonghou He , Zhefan Dong , Li Tao

This paper introduces an iterative scheme for acoustic model inversion where the notion of proximity of two traces is not the usual least-squares distance, but instead involves registration as in image processing. Observed data are matched…

最优化与控制 · 数学 2013-04-22 Hyoungsu Baek , Henri Calandra , Laurent Demanet

Over the past decade, many works on the modeling of wireless networks using stochastic geometry have been proposed. Results about probability of coverage, throughput or mean interference, have been provided for a wide variety of networks…

网络与互联网体系结构 · 计算机科学 2016-02-08 Alexandre Mouradian

The 3GPP new radio (NR) channel model introduced spatial consistency and a correlation model for multiple frequencies. Future extensions of this model will incorporate mobility at both ends of the link. These features are essential for many…

信号处理 · 电气工程与系统科学 2019-07-01 Stephan Jaeckel , Leszek Raschkowski , Frank Burkhardt , Lars Thiele

In research paper "Accurate estimation of the target location of object with energy constraint & Adaptive Update Algorithms to Save Data" one of the central issues in sensor networks is track the location, of moving object which have…

分布式、并行与集群计算 · 计算机科学 2011-08-08 Vijay Bhaskar Semwal , K Susheel Kumar , Vinay S Bhaskar , Meenakshi Sati

$\delta$-Covering, for some covering range $\delta>0$, is a continuous facility location problem on undirected graphs where all edges have unit length. The facilities may be positioned on the vertices as well as on the interior of the…

数据结构与算法 · 计算机科学 2024-08-09 Tim A. Hartmann , Tom Janßen

The interference at a wireless node s can be modelled by the number of wireless nodes whose transmission ranges cover s. Given a set of positions for wireless nodes, the interference minimization problem is to assign a transmission radius…

计算几何 · 计算机科学 2011-11-30 Majid Khabbazian , Stephane Durocher , Alireza Haghnegahdar

In this paper, we study communication-efficient distributed stochastic gradient descent (SGD) with data sets of users distributed over a certain area and communicating through wireless channels. Since the time for one iteration in the…

信息论 · 计算机科学 2021-05-21 Jinho Choi

Given any $n \in \mathbb{Z}^{+}$, we constructively prove the existence of covering paths and circuits in the plane which are characterized by the same link length of the minimum-link covering trails for the two-dimensional grid $G_n^2 :=…

组合数学 · 数学 2024-04-22 Marco Ripà