中文
相关论文

相关论文: Distributed On-Demand Routing for LEO Mega-Constel…

200 篇论文

We consider a Low Earth Orbit (LEO) satellite network with each satellite capable of establishing inter-satellite link (ISL) connections for satellite-to-satellite communication. Since ISLs can be reoriented to change the topology, we…

网络与互联网体系结构 · 计算机科学 2025-06-16 Chirag Rao , Eytan Modiano

Recent proposals for datacenters in sun-synchronous Low Earth Orbit rely on a large number of compute satellites formation-flying in dense clusters. Designing such satellite clusters requires optimizing the satellites' orbital geometry…

分布式、并行与集群计算 · 计算机科学 2026-05-19 Jules Pénot , Hamsa Balakrishnan

Due to their low latency, high capacity, and seamless worldwide coverage, low Earth orbit (LEO) satellites are essential to the equal access network. Stochastic geometry (SG) is an appropriate method for such a large and irregular system.…

网络与互联网体系结构 · 计算机科学 2022-08-02 Yanbo Cao , Derui Gao , Jingyu Xu

This paper considers the design of On-Demand Multimodal Transit Systems (ODMTS) that combine fixed bus/rail routes between transit hubs with on-demand shuttles that serve the first/last miles to/from the hubs. The design problem aims at…

最优化与控制 · 数学 2022-02-01 Ramon Auad , Pascal Van Hentenryck

We study spectrum sharing between two dense low-earth orbit (LEO) satellite constellations, an incumbent primary system and a secondary system that must respect interference protection constraints on the primary system. In particular, we…

信号处理 · 电气工程与系统科学 2025-03-20 Eunsun Kim , Ian P. Roberts , Taekyun Lee , Jeffrey G. Andrews

Satellite communication by leveraging the use of low earth orbit (LEO) satellites is expected to play an essential role in future communication systems through providing ubiquitous and continuous wireless connectivity. This thus has…

网络与互联网体系结构 · 计算机科学 2022-10-18 Jingwei Zhang , Dali Qin , Chuili Kong , Feiran Zhao , Rong Li , Jun Wang , Ye Wang

Communication between satellites in low-Earth orbit (LEO) constellations takes place through inter-satellite links (ISLs). Unlike intra-plane ISLs, which interconnect satellites belonging to the same orbital plane with fixed relative…

信号处理 · 电气工程与系统科学 2024-07-22 Donatella Darsena , Giacinto Gelli , Ivan Iudice , Francesco Verde

Unlike in terrestrial cellular networks, certain frequency bands for low-earth orbit (LEO) satellite systems have thus far been allocated on a non-exclusive basis. In this context, systems that launch their satellites earlier (referred to…

信号处理 · 电气工程与系统科学 2025-10-06 Jeong Min Kong , Eunsun Kim , Ian P. Roberts

Satellite networks provide communication services to global users with an uneven geographical distribution. In densely populated regions, Inter-satellite links (ISLs) often experience congestion, blocking traffic from other links and…

网络与互联网体系结构 · 计算机科学 2024-06-04 Hao Wu

Positioning systems in self-organizing networks generally rely on measurements such as delay and received signal strength, which may be difficult to obtain and often require dedicated equipment. An alternative to such approaches is to use…

网络与互联网体系结构 · 计算机科学 2007-05-23 Farid Benbadis , Jean-Jacques Puig , Marcelo Dias de Amorim , Claude Chaudet , Timur Friedman , David Simplot-Ryl

Recently, ultra-dense low earth orbit (LEO) satelliteconstellation over high-frequency bands has considered as one ofpromising solutions to supply coverage all over the world. Givensatellite constellations, efficient beam coverage schemes…

网络与互联网体系结构 · 计算机科学 2020-09-22 Junghyun Kim , Thong D. Ngo , Paul S. Oh , Sean S. -C. Kwon , Changhee Han , Joongheon Kim

Link state routing protocols such as OSPF or IS-IS currently use only best paths to forward IP packets throughout a domain. The optimality of sub-paths ensures consistency of hop by hop forwarding although paths, calculated using Dijkstra…

网络与互联网体系结构 · 计算机科学 2009-04-02 Pascal Mérindol , Jean-Jacques Pansiot , Stéphane Cateloin

In this paper, we investigate the coverage performance of downlink satellite networks employing dynamic coordinated beamforming. Our approach involves modeling the spatial arrangement of satellites and users using Poisson point processes…

信号处理 · 电气工程与系统科学 2023-09-20 Daeun Kim , Jeonghun Park , Namyoon Lee

Issues with tracking, precision pointing, and Doppler shift are the major sources of performance loss in laser inter-satellite communication that can severely decrease the coverage and overall performance of satellite constellations. As a…

信号处理 · 电气工程与系统科学 2021-12-30 Eylem Erdogan , Ibrahim Altunbas , Gunes Karabulut Kurt , Halim Yanikomeroglu

As air travel demand increases, uninterrupted high-speed internet access becomes essential. However, current satellite-based systems face latency and connectivity challenges. While prior research has focused on terrestrial 5G and…

网络与互联网体系结构 · 计算机科学 2025-04-11 Raúl Parada , Victor Monzon Baeza , Carlos Horcajo Fernández de Gamboa , Rocío Serrano Camacho , Carlos Monzo

Cooperation between the nodes of wireless multihop networks can increase communication reliability, reduce energy consumption, and decrease latency. The possible improvements are even greater when nodes perform mutual information…

信息论 · 计算机科学 2009-08-27 Stark C. Draper , Lingjia Liu , Andreas F. Molisch , Jonathan S. Yedidia

We present STEEL a STatistical sEmi-Empirical modeL designed to probe the distribution of satellite galaxies in groups and clusters. Our fast statistical methodology relies on tracing the abundances of central and satellite haloes via their…

星系天体物理 · 物理学 2018-12-04 P. J. Grylls , F. Shankar , L. Zanisi , M. Bernardi

Low-orbit mega-constellation network, which utilize thousands of satellites to provide a variety of network services and collect a wide range of space information, is a rapidly growing field. Each satellite collects TB-level data daily,…

网络与互联网体系结构 · 计算机科学 2024-06-06 Handong Luo , Wenhao Liu , Qi Zhang , Ziheng Yang , Quanwei Lin , Wenjun Zhu , Kun Qiu , Zhe Chen , Yue Gao

We consider a time-slotted two-hop wireless system in which the sources transmit to the relays in the even time slots (first hop) and the relays forward the packets to the destinations in the odd time slots (second hop). Each source may…

信息论 · 计算机科学 2009-01-16 Radha Krishna Ganti , Martin Haenggi

Routing, as a basic phenomena, by itself, has got umpteen scopes to analyse, discuss and arrive at an optimal solution for the technocrats over years. Routing is analysed based on many factors; few key constraints that decide the factors…

神经与进化计算 · 计算机科学 2007-05-23 R. Shankar
‹ 上一页 1 8 9 10 下一页 ›