An Adaptive Routing Algorithm for Integrated Information Networks

The integrated information network is a large capacity information network that integrates various communication platforms on the ground, at sea, in the air and in the deep air through the inter-satellite and satellite-ground links to acquire information accurately, process it quickly, and transmit it efficiently. The satellite communication, as an important part of integrated information networks, is one of main approaches to acquire, process and distribute communication information and resources. In this paper, based on current researches of the satellite communication network, we put forward a 3-layer satellite communication network model based on the Software Defined Network (SDN). Meanwhile, to improve current routing policies of the Low Earth Orbit (LEO) satellite communication network, we put forward an Adaptive Routing Algorithm (ARA) to sustain the shortest satellite communication link. Experiment results show that the proposed method can effectively reduce link distance and communication delay, and realize adaptive path planning.

UAV-Aided Data and Energy Integrated Network: System Design and Prototype Development

Terminal devices deployed in outdoor environments are facing a thorny problem of power supply.Data and energy integrated network(DEIN)is a promising technology to solve the problem,which simultaneously transfers data and energy through radio frequency signals.State-of-the-art researches mostly focus on theoretical aspects.By contrast,we provide a complete design and implementation of a fully functioning DEIN system with the support of an unmanned aerial vehicle(UAV).The UAV can be dispatched to areas of interest to remotely recharge batteryless terminals,while collecting essential information from them.Then,the UAV uploads the information to remote base stations.Our system verifies the feasibility of the DEIN in practical applications.

A Study on Integrated Wavelet Neural Networks in Fault Diagnosis Based on Information Fusion

The tight wavelet neural network was constituted by taking the nonlinear Morlet wavelet radices as the excitation function. The idiographic algorithm was presented. It combined the advantages of wavelet analysis and neural networks. The integrated wavelet neural network fault diagnosis system was set up based on both the information fusion technology and actual fault diagnosis, which took the sub-wavelet neural network as primary diagnosis from different sides, then came to the conclusions through decision-making fusion. The realizable policy of the diagnosis system and established principle of the sub-wavelet neural networks were given. It can be deduced from the examples that it takes full advantage of diversified characteristic information, and improves the diagnosis rate.

Three-Dimensional Cooperative Localization via Space-Air-Ground Integrated Networks

The space-air-ground integrated network(SAGIN)combines the superiority of the satellite,aerial,and ground communications,which is envisioned to provide high-precision positioning ability as well as seamless connectivity in the 5G and Beyond 5G(B5G)systems.In this paper,we propose a three-dimensional SAGIN localization scheme for ground agents utilizing multi-source information from satellites,base stations and unmanned aerial vehicles(UAVs).Based on the designed scheme,we derive the positioning performance bound and establish a distributed maximum likelihood algorithm to jointly estimate the positions and clock offsets of ground agents.Simulation results demonstrate the validity of the SAGIN localization scheme and reveal the effects of the number of satellites,the number of base stations,the number of UAVs and clock noise on positioning performance.

Create Your Own Data and Energy Integrated Communication Network:A Brief Tutorial and a Prototype System

In order to satisfy the ever-increasing energy appetite of the massive battery-powered and batteryless communication devices,radio frequency(RF)signals have been relied upon for transferring wireless power to them.The joint coordination of wireless power transfer(WPT)and wireless information transfer(WIT)yields simultaneous wireless information and power transfer(SWIPT)as well as data and energy integrated communication network(DEIN).However,as a promising technique,few efforts are invested in the hardware implementation of DEIN.In order to make DEIN a reality,this paper focuses on hardware implementation of a DEIN.It firstly provides a brief tutorial on SWIPT,while summarising the latest hardware design of WPT transceiver and the existing commercial solutions.Then,a prototype design in DEIN with full protocol stack is elaborated,followed by its performance evaluation.

Integration and development of energy and information network in the Pan-Arctic region

The Global Energy Interconnection is an important strategic approach used to achieve efficient worldwide energy allocation.The idea of developing integrated power,information,and transportation networks provides increased power interconnection functionality and meaning,helps condense forces,and accelerates the integration of global infrastructure.Correspondingly,it is envisaged that it will become the trend of industrial technological development in the future.In consideration of the current trend of integrated development,this study evaluates a possible plan of coordinated development of fiber-optic and power networks in the Pan-Arctic region.Firstly,the backbone network architecture of Global Energy Interconnection is introduced and the importance of the Arctic energy backbone network is confirmed.The energy consumption and developmental trend of global data centers are then analyzed.Subsequently,the global network traffic is predicted and analyzed by means of a polynomial regression model.Finally,in combination with the current construction of fiber-optic networks in the Pan-Arctic region,the advantages of the integration of the fiber-optic and power networks in this region are clarified in justification of the decision for the development of a Global Energy Interconnection scheme.

空天信息网络中通导融合技术综述

空天信息网络是推动社会经济发展和保障国家安全的重要基础设施。空天信息网络将陆基网络、卫星网络及航空网络构成一体化网络架构,深度耦合通信、导航、遥感等功能,实现信息的高效传输和高精度位置服务。文章分析卫星网络、移动通信网络、局域通信网等多种无线网络通信导航融合定位技术的发展现状,并阐述其面临的挑战,提出多网融合方法可以提升室内外广域无缝高精度位置服务的可靠性。利用5G移动通信网络,与北斗/GNSS卫星导航系统结合,实现相互增强。最后,从天地一体定位导航与授时体系和仿生通信定位导航两方面探讨空天信息网络中通信导航融合定位技术的未来发展趋势。

基于神经网络信息融合的油气藏信息存储系统设计

针对现行油气藏信息存储系统鲁棒性、安全性较低的问题,提出了基于神经网络信息融合的油气藏信息存储系统设计方案。在系统硬件方面,通过对信息存储器选型与设计,完成系统硬件设计;在系统软件方面,利用神经网络信息融合技术对油气藏信息分类,并设计数据库对分类的油气藏信息存储。实验结果表明,在信息存储过载情况下系统崩溃率未超过2%,系统安全性系数在0.8以上,具有较强的鲁棒性与安全性。

基于区块链分级存储与国产商用密码技术的高校图书馆信息系统网络安全保障

为了提升图书馆信息系统网络安全保障能力,确保图书馆信息系统安全稳定运行,对数字图书馆信息系统面临的身份假冒、数据泄露、数据篡改、数据破坏、重要操作难以溯源等突出网络安全问题进行研究,提出了解决思路和方法,包括基于区块链分级存储实现图书馆信息系统数据存储安全,基于国产商用密码技术实现图书馆信息系统身份认证、数据加密保护、数据完整性保护、操作真实性和抗抵赖保护,对建设完善有效的图书馆信息系统网络安全整体保障体系、提升图书馆信息系统网络安全保障能力具有指导意义。

空间信息网络时变图建模方法

空间信息网络是星地融合网络中一个重要组成部分,其拓扑具有时变性和可预测性。采用一个合适的时变图模型来表征时变的空间信息网络,对于空间信息网络性能分析至关重要。首先阐述了空间信息网络的特性,然后介绍了多种空间信息网络时变图模型的建模方法,包括快照序列图、时间扩展图、存储时间聚合图和多功能时间扩展图,并且分析了它们的特征和优缺点,为6G星地融合网络的研究奠定基础,为网络性能分析提供了理论支撑。

青岛市现代水网一体化智慧管理系统应用实践

随着青岛市城市水网设施的不断完善,建立一套完整准确的水网一体化综合管理系统已成为现代城市发展的迫切需求。从“大水网一体化”执行目标出发,该系统覆盖供水、排水、再生水和海水淡化地下管网,并立足于实际运营中的切实需求,旨在打造山东省企业级水网一体化智慧管理系统。该系统全面增强了水资源的统筹调配能力、供排水的保障能力、水旱灾害防御能力以及水生态治理保护能力。通过开展系统创新模块的研发工作,有效推动了青岛市水务的高质量发展。青岛市现代水网一体化智慧管理系统的应用实践为特大型城市水网管理一体化提供了实践经验和案例,具有重要的实践意义和参考价值。

军事综合信息网安全现状分析及对策措施

随着我军信息化建设的迅猛发展,军事综合信息网(军综网)基本覆盖了全军各个单位,与此同时网络的安全威胁问题也逐渐凸显出来。从网络安全本身的定义出发,系统剖析了影响军综网的5大因素和途径,从攻击类型和技术的角度,深刻阐述了军综网可能面临的威胁和挑战,及一些亟待解决的问题,并提出了加快国产核心技术研究、加深网络防护技术研究和提高安全防范意识3个举措,以促进军事网络安全的提升。

支付结算型帮助信息网络犯罪活动罪的实践检视及一体化治理

支付结算型帮助信息网络犯罪活动罪在实践中存在适用主体扩张、责任判断模糊以及量刑结果失衡等问题。这些问题的发生与信息技术快速发展、轻罪立法不断扩张以及配套金融监管乏力等原因密切相关。需立足于多维一体的治理理念,在刑法之内严格限缩帮助信息网络犯罪活动罪的主客观要件,完善刑法的具体适用;在刑法之外优化各法域间的协同治理,形成有序衔接的规范体系;在刑法之上发挥数字赋能技术优势,共筑多元联动的防治共同体,由此形成全方位、多层次的一体化治理策略。

空天地信息一体化网络移动骨干网构建

针对特殊地形或自然灾害对通信系统的影响,为提高信息传输有效性,建立基于空天地信息一体化的通信系统。针对该系统信息实时可靠传输的需求,为空天地信息一体化网络构建移动骨干网(mobile backbone network,MBN),MBN可有效简化路由,提高网络资源利用率,从而保证信息的实时可靠传输。提出了一种分布式MBN构建与维护(distributed mobile backbone network construction and maintenance,DMBNCM)算法。理论分析和仿真表明,DMBNCM算法构建的MBN是连通的,且消息和时间开销较小,对基于空天地信息一体化的通信系统有一定的应用前景。

科学测算运维经费,助力水利网信可持续发展

为支持水利网信可持续发展,推动新阶段水利高质量发展,研究水利信息系统运维经费的科学测算体系。回顾水利信息化运维经费管理的发展历程,介绍《水利信息系统运行维护定额标准》《水利信息系统运行维护规范》2个标准构成的运维经费测算体系,经过实际运维经费测算应用,发现原有的运行维护定额标准在新形势下存在不适应性,因此,对运行维护定额标准进行修订,修订后的定额标准更为全面,能反映不同运行维护服务等级的要求,并强化资源整合共享和网络安全。科学测算体系的建立和推广可有效解决经费不足的问题,保障运行维护工作的有序开展,助力水利网信可持续发展,未来运维经费测算需要考虑通货膨胀、资源成本上涨和设备服务寿命延长等相关内容。

光子集成产品包装信息系统可视化建模研究

为在明确产品信息的同时满足用户的个性化包装需求,研究光子集成产品包装信息系统可视化建模过程。以Web网络为基础,设计光子集成产品包装信息系统整体架构;通过包装信息采集,获取包装材料并进行产品信息传递;在产品包装检索模块中,针对不同光子集成产品设置个性化的包装方案;包装信息可视化模块建立可视化模块基本架构,根据数据属性与坐标轴的映射关系,实现包装信息可视化。测试结果表明:所提方法应用后,用户可以直接访问到所需要的光子集成产品包装信息,用户登录时间短;当并发用户数量较高时,CPU利用率受到的影响较小;包装信息展示完整度较高,能够获得理想的可视化效果。证明了所提方法可以提高包装设计的智能化水平。

电子信息工程领域下基于区块链的网络安全与性能优化

文中聚焦于区块链技术在电子信息工程领域的网络安全和性能优化方面的应用。首先,概述了区块链的基本原理及特性,探讨了区块链在确保数据完整性、身份验证、交易安全等网络安全领域中的应用。其次,分析了区块链如何通过提高处理速度,降低系统延迟,增强数据处理能力等来优化网络性能。最后,探讨了区块链技术在电子信息工程中面临的挑战及其未来的发展趋势,强调了区块链在电子信息工程中的重要性和潜在价值。

基于LTE-R网络的高速铁路机车通信信息集成方法

现有的针对高速铁路机车通信的信息集成方法效果并不理想,为此,文章提出基于铁路长期演进(Long Term Evolution for Railway,LTE-R)网络的高速铁路机车通信信息集成方法。基于LTE-R技术构建高速铁路机车通信信息集成模型,结合LTE-R网络算法提取高速铁路机车通信信息,采用Revit软件和收集器收集数据,实现高速铁路机车通信信息的统计与集成。实验结果证明,文章设计的基于LTE-R网络的高速铁路机车通信信息集成方法,对高速铁路机车通信信息集成的自动化程度较高,可节省99.99%的时间,具有较好的应用性能。

配电网运维质量的提升措施分析

阐述针对配电网运维质量的影响因素,包括设备老化降低性能、信息系统不完善,从制定实施设备更新换代计划、优化信息系统的集成与分析能力方面,探讨低压配电网运维质量的提升措施。

基于智能超表面的6G近场网络构建

近年来,近场传播特性的研究备受关注,尤其是基于RIS的近场技术成为研究的热点。目前尚缺乏对基于RIS的近场技术进行全面梳理的文献。首先简要概述了近场技术的基本概念,然后分别从三个方面系统地梳理了基于RIS的近场技术研究进展及挑战,包括RIS构建泛在的近场无线传播环境、使能6G网络的近场新范式以及基于RIS的近场技术面临的挑战等。通过技术梳理,期望对RIS和近场技术研究工作起到推进作用。