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Maintaining an up-to-date map that accurately reflects recent changes in the environment is crucial, especially for robots that repeatedly traverse the same space. Failing to promptly update the changed regions can degrade map quality,…

Robotics · Computer Science 2026-03-30 Yicheng He , Jingwen Yu , Guangcheng Chen , Hong Zhang

In this paper we consider the problem of optimizing the ecological connectivity of a landscape under a budget constraint by improving habitat areas and ecological corridors between them. We consider a formulation of this problem in terms of…

Data Structures and Algorithms · Computer Science 2022-04-14 François Hamonic , Cécile Albert , Basile Couëtoux , Yann Vaxès

Mobile Ad-Hoc network is a collection of mobile nodes in communication without using infrastructure. As the real-time applications used in today's wireless network grow, we need some schemes to provide more suitable service for them. We…

Networking and Internet Architecture · Computer Science 2011-07-20 Mohamed Amnai , Youssef Fakhri , Jaafar Abouchabaka

In Mobile Ad Hoc Networks (MANET), various types of Denial of Service Attacks (DoS) are possible because of the inherent limitations of its routing protocols. Considering the Ad Hoc On Demand Vector (AODV) routing protocol as the base…

Cryptography and Security · Computer Science 2010-05-11 Sugata Sanyal , Dhaval Gada , Rajat Gogri , Punit Rathod , Zalak Dedhia , Nirali Mody

We study the capacitated vehicle routing problem in graphic metrics (graphic CVRP). Our main contribution is a new lower bound on the cost of an optimal solution. For graphic metrics, this lower bound is tight and significantly stronger…

Data Structures and Algorithms · Computer Science 2022-10-19 Tobias Mömke , Hang Zhou

Vehicular Ad-hoc Networks (VANETs) is attracting considerable attention from the research community and the automotive industry to improve the services of Intelligent Transportation System (ITS). As today's transportation system faces…

Networking and Internet Architecture · Computer Science 2012-03-13 Nidhi , D. K. Lobiyal

Virtual reality (VR) over wireless is emerging as an important use case of 5G networks. Immersive VR experience requires the delivery of huge data at ultra-low latency, thus demanding ultra-high transmission rate. This challenge can be…

Information Theory · Computer Science 2018-06-26 Yaping Sun , Zhiyong Chen , Meixia Tao , Hui Liu

Because sensor nodes operate on power limited batteries, sensor functionalities have to be designed carefully. In particular, designing energy-efficient packet forwarding is important to maximize the lifetime of the network and to minimize…

Networking and Internet Architecture · Computer Science 2012-05-11 Samir Medjiah , Toufik Ahmed , Francine Krief

In this paper we consider routing in random wireless-adhoc-networks (WANETs), where each node is equipped with a single antenna. Our analysis uses a proper model of the physical layer together with an abstraction of higher communication…

Information Theory · Computer Science 2018-03-06 Yiftach Richter , Itsik Bergel

Wireless communication highly depends on the cellular ground base station (GBS). A failure of the cellular GBS, fully or partially, during natural or man-made disasters creates a communication gap in the disaster-affected areas. In such…

Networking and Internet Architecture · Computer Science 2024-01-05 Naveed Khan , Ayaz Ahmad , Abdul Wakeel , Zeeshan Kaleem , Bushra Rashid , Waqas Khalid

Mapping and localization are crucial problems in robotics and autonomous driving. Recent advances in 3D Gaussian Splatting (3DGS) have enabled precise 3D mapping and scene understanding by rendering photo-realistic images. However, existing…

Robotics · Computer Science 2025-01-24 Jaewon Lee , Mangyu Kong , Minseong Park , Euntai Kim

A greedy omnidirectional relay scheme is developed, and the corresponding achievable rate region is obtained for the all-source all-cast problem. The discussions are first based on the general discrete memoryless channel model, and then…

Information Theory · Computer Science 2009-02-17 Liang-Liang Xie

Global navigation satellite systems (GNSSs) are essential in providing localization and navigation services to most of the world due to their superior coverage. However, due to high pathloss and inevitable atmospheric effect, the…

Systems and Control · Electrical Eng. & Systems 2023-04-07 Hongzhao Zheng , Mohamed Atia , Halim Yanikomeroglu

In order to better accommodate the dramatically increasing demand for data caching and computing services, storage and computation capabilities should be endowed to some of the intermediate nodes within the network. In this paper, we design…

Networking and Internet Architecture · Computer Science 2017-06-30 Yuchen Zhou , F. Richard Yu , Jian Chen , Yonghong Kuo

Automated Guided Vehicles (AGVs) are essential in various industries for their efficiency and adaptability. However, planning trajectories for AGVs in obstacle-dense, unstructured environments presents significant challenges due to the…

Robotics · Computer Science 2024-03-13 Shaoqiang Liang , Songyuan Fa , Yiqun Li

Coordination of dynamical routes can alleviate traffic congestion and is essential for the coming era of autonomous self-driving cars. However, dynamical route coordination is difficult and many existing routing protocols are either static…

Statistical Mechanics · Physics 2019-04-24 Chi Ho Yeung

The growing aging population has significantly increased demand for efficient home health care (HHC) services. This study introduces a Vehicle Routing and Appointment Scheduling Problem (VRASP) to simultaneously optimize caregiver routes…

Optimization and Control · Mathematics 2025-05-28 Yi Zhang , Zhenzhen Zhang

Cooperative map matching (CMM) uses the Global Navigation Satellite System (GNSS) positioning of a group of vehicles to improve the standalone localization accuracy. It has been shown to reduce GNSS error from several meters to sub-meter…

Systems and Control · Computer Science 2017-08-02 Macheng Shen , Jing Sun , Ding Zhao

We design a distributed coordinated guiding vector field (CGVF) for a group of robots to achieve ordering-flexible motion coordination while maneuvering on a desired two-dimensional (2D) surface. The CGVF is characterized by three terms,…

Robotics · Computer Science 2024-01-26 Bin-Bin Hu , Hai-Tao Zhang , Weijia Yao , Zhiyong Sun , Ming Cao

The Virtual Network Embedding Problem (VNEP) captures the essence of many resource allocation problems of today's infrastructure providers, which offer their physical computation and networking resources to customers. Customers request…

Networking and Internet Architecture · Computer Science 2018-05-07 Matthias Rost , Stefan Schmid
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