The Wireless Sensor Network Self-localization and Tracking Algorithm Research

无线传感器网络（WSN，WirelessSensorNetwork）是由多量传感器节点组成的一个多跳、自组织、动态计算机系统，在军事侦察、环境监测、医疗监护等领域有广泛的应用前景。定位技术在无线传感器网络的应用中起到非常重要的作用，掌握传感器节点的位置分布，不仅可以对目标领域进行物体跟踪，而且有助于提高路由效率，均衡负载和拓扑控制。由于WSN设备价格、功耗和硬件条件的限制及对定位精度的要求，如何实现成本低廉、能耗节俭和精确度高的定位方法一直是研究者们关注的课题。定位技术最简单的方法是采用卫星定位技术，这种方法虽然精度高，但存在成本高、功耗大、室内无法有效定位等局限性。因此需要采用一定的机制与算...Wireless Sensor Network (WSN) a kind of multi-hop, self-organization, dynamic computer system which composed of a large number of Sensor nodes, and It will be widely used in the military reconnaissance, environmental monitoring, medical care and other fields. Positioning technology has a very important role in WSN, mastering the distribution of nodes position, not only can track the object in the ...学位：工程硕士院系专业：信息科学与技术学院_工程硕士(电子与通信工程)学号：X201322201

Research on Key Security of Wireless Sensor Networks and Its Application

在无线传感器网络中，如果通信双方或某一方的密钥一旦丢失、被窃取或者泄露，就必将直接威胁到整个网络，无线传感器网络通信的安全性就将无法得以保证。众所周知，密钥在密码算法中是处于可变的部分，在一切采用了密码技术进行保护的信息系统中，其密钥的良好保护性将直接决定了系统安全性的高低。而密钥的管理研究是控制密钥的产生、分配、更新以及撤销等过程的重要依据，它在密码系统中起着决定性的作用，特别是针对特殊的无线WSN网络环境，安全密钥管理方案的研究就更显重要，已逐渐成为了目前研究WSN安全的基础和核心课题。 本文的主要目的是在充分研究和分析现有密钥管理方案的基础上，针对当前密钥管理方案中存在的各种缺陷和不足...In wireless sensor networks, if the encryption keys of both sides or a key on one side of the communication has been lost, stolen or leaked, then it will be a direct threat to the entire network, and the security of the wireless sensor network communication will not be guaranteed. As we all know, the cipher algorithm of an encryption key is variable, and in all the information systems which use pa...学位：工程硕士院系专业：信息科学与技术学院_工程硕士(计算机技术)学号：X201022102

MAC Protocol Optimization of Underwater Wireless Sensor Network Based on Energy Efficient

不同于依靠单个传感器的水下信息获取方式，网络化的水下传感器系统具有机动灵活、成本低廉、效费比高等优点，成为了世界各国对水下信息获取的研究热点。水下传感器网络MAC协议的作用是控制节点接入水声信道，是数据在信道上发送和接收的直接控制者，可以为上层提供快速、可靠的传送支持。因此，MAC协议感知并适应水声信道情况，对水下无线传感器网络的性能起着决定性的作用。而水下复杂的信道环境，如高噪声、窄带宽、强多途和长时延等多种特征使得许多常用的无线网络协议在水下环境中将不再适用。水下传感器网络MAC协议的设计，除了要考虑一般陆地无线通信网络的设计要求，还要根据水下环境的特点而设计。水声传感器节点部署在海底使用...Unlike using a single underwater sensor to obtain information, the network of underwater sensor system with flexible, low-cost, cost-effective advantages, has been becoming the research focus all over the world in underwater information detection field. The multiple access protocol (MAC) in the underwater acoustic sensor network is used to control sensor nodes to access in the underwater acoustic ...学位：理学硕士院系专业：海洋与地球学院_海洋物理学号：2232013115144

Delay-Constrained Mobile Energy Charging in Wireless Sensor Networks

为了延长无线传感网的生存期,基于可充电的移动设备,研究设计了一种无线传感网中移动式能量补充的方法,移动节点可以在为传感器节点补充能量的同时收集数; 据.首先,通过将无线传感器网络监测区域分割为大小相同的子区域,该子区域内的节点组成一个簇;其次,以一个簇内的总能量为计算依据,设计移动节点的路径; 生成算法以确定能量高效的移动路线;最后,使用10种不同的随机网络拓扑图进行了仿真实验,以节点移动速度和时延为限制条件分别得到了对比数据.结果表明; ,本文提出的算法与NJNP( nearest-job-next with preemption)算法相比在时延相同的条件下( 800; s),生存期提升了6 000 s左右,在节点速度5 m/s条件下生存期提升了将近14 000; s.证明本文所提方法有效地提高了充电效率,延长了网络的生存期,可用于大规模的无线传感器网络.In order to prolong the lifetime of wireless sensor networks by using; energy-rechargeable mobile devices,this paper designs a mobile energy; replenishment method wherein a mobile element gathers data and recharges; sensors simultaneously. Firstly,the whole sensor network is divided into; several sub-regions equally and the sensors in each sub-region are; formed into a cluster. Secondly, considering the energy in a whole; cluster,the mobility path is designed to find the energy-efficient; mobile trace of the mobile element. Finally,in the simulation; experiment,we used ten different random network topologies to show the; comparisons with extensive simulation experiments under different; velocities and deadlines. The results indicate that the proposed; algorithm increases lifetime by approximately 6 000 s compared with; Nearest-Job-Next with Pre-emption( NJNP) under the deadline of 800 s.; Moreover,the proposed algorithm increases lifetime by approximately 14; 000 s compared with NJNP at velocity of 5 m/s. Thus,the proposed; algorithm can improve recharging efficiency and prolong the lifetime of; wireless sensor networks,which can be used in large-scale sensor; networks.国家自然科学基金资助项目; 福建省高等学校杰出青年科研人才培育计划资助项

Design and Implement Multi-Parameter Marine Environment Network Monitoring System

中国海岸线长约3.2万千米，其中大陆海岸线1.8万千米，岛屿海岸线1.4万千米，海洋蕴藏丰富的能量和矿产资源，人们开发和探索的领域逐渐从内地向沿海及近海地带扩展。海洋环境监测系统是集无线通信技术、传感器技术、微电子技术、物联网等先进技术为一体的综合体系，是认识海洋、开发海洋、保护海洋的基础。至今为止，建立在我国海岸线上的监测节点和沿海信息站存在数量少，分布不合理，观测方法不够完善，技术手段相对落后等问题；由于电池能量耗尽导致监测节点失效会影响整个无线传感网络生命周期以及系统功能；定位技术在海洋监测系统的应用广泛，但目前实现的定位系统常具有价格昂贵、设备体积大、定位范围小、精度低等特点，无法满足...Chinese coastline is about 32,000 km, mainland coastline is 18,000 km, islands coastline is 14,000 km. Marine contains abundant energy and mineral resources, and the field that used to develop and explore gradually extended from mainland to coastal. Marine environment monitoring system is comprehensive system, which is a set of advanced technologies such as wireless communication technology, senso...学位：工学硕士院系专业：信息科学与技术学院_通信与信息系统学号：2332013115322

Physical layer designing and simulation for wireless sensor network based on NS-3

nS-3是一种新的网络仿真工具,它将会慢慢取代目前广泛使用的nS-2。本文着重介绍了基于nS-3的无线传感器网络的物理层仿真模块的设计,搭建了无线传感器网络仿真平台,使一个简单的例子得以在上面运行,并给出了仿真结果。该仿真平台可以用于对无线传感器网络的深入研究与探讨,有助于无线传感器网络的优化设计、缩短系统的开发周期。NS-3 is a new network simulation tool.It will gradually replace NS-2 which is popularly used now.This article focuses on the designing of the physical layer of wireless sensor network.A wireless sensor network simulation platform was set up and made a simple example run on it and also the simulation result was presented.The simulation platform can be used for further research of wireless sensor networks.And it is helpful for wireless sensor networks to optimize the design and shorten the development cycle.福建省重点科技计划(No.2008H0037

Research on Data Aggregation for Wireless Sensor Network

无线传感器网络是由大量廉价、具备低功率无线收发装置的传感器节点组成的自组织网络，能够协作地实时采集覆盖区域中的监测信息，进行处理后发送给观察者。节点本身能量有限，同时复杂的监测环境使得电池更换困难，因此，节能问题一直是无线传感器网络需要解决的关键问题之一。 本文从数据压缩的角度探索无线传感器网络的节能方案，基本思想是：各传感节点对采集的数据进行处理，去除冗余数据，从而减少数据传输量；同时将来自不同节点的多份数据进行汇聚，提取或综合出较单个节点数据采集更为有效、准确的数据信息，在充分降低节点能耗、延长网络生存期的基础上，达到精确感知目标信息的目的。 本论文目的是研究应用于大规模、不规则网络的...Wireless sensor networks (WSN) are self-organized networks which are collections of sensor nodes with low-cost, low-power wireless transceiver devices. Monitoring information is collected by sensors collaborately from coverage area in a real-time way for processing and then sent to the observer. Sensor nodes are energy-limited, and it is difficult to replace batteries because of complex monitorin...学位：工学硕士院系专业：信息科学与技术学院通信工程系_通信与信息系统学号：2332007115219

Research and Design of a Routing Protocol in Large-Scale Wireless Sensor Networks

无线传感器网络，作为全球未来十大技术之一，集成了传感器技术、嵌入式计算技术、分布式信息处理和自组织网技术，可实时感知、采集、处理、传输网络分布区域内的各种信息数据，在军事国防、生物医疗、环境监测、抢险救灾、防恐反恐、危险区域远程控制等领域具有十分广阔的应用前景。 本文研究分析了无线传感器网络的已有路由协议，并针对大规模的无线传感器网络设计了一种树状路由协议，它根据节点地址信息来形成路由，从而简化了复杂繁冗的路由表查找和维护，节省了不必要的开销，提高了路由效率，实现了快速有效的数据传输。 为支持此路由协议本文提出了一种自适应动态地址分配算——ADAR（AdaptiveDynamicAddre...As one of the ten high technologies in the future, wireless sensor network, which is the integration of micro-sensors, embedded computing, modern network and Ad Hoc technologies, can apperceive, collect, process and transmit various information data within the region. It can be used in military defense, biomedical, environmental monitoring, disaster relief, counter-terrorism, remote control of haz...学位：工学硕士院系专业：信息科学与技术学院通信工程系_通信与信息系统学号：2332007115216

Research and Design of a Routing Protocol in Large-Scale Wireless Sensor Networks

无线传感器网络，作为全球未来十大技术之一，集成了传感器技术、嵌入式计算技术、分布式信息处理和自组织网技术，可实时感知、采集、处理、传输网络分布区域内的各种信息数据，在军事国防、生物医疗、环境监测、抢险救灾、防恐反恐、危险区域远程控制等领域具有十分广阔的应用前景。 本文研究分析了无线传感器网络的已有路由协议，并针对大规模的无线传感器网络设计了一种树状路由协议，它根据节点地址信息来形成路由，从而简化了复杂繁冗的路由表查找和维护，节省了不必要的开销，提高了路由效率，实现了快速有效的数据传输。 为支持此路由协议本文提出了一种自适应动态地址分配算——ADAR（AdaptiveDynamicAddre...As one of the ten high technologies in the future, wireless sensor network, which is the integration of micro-sensors, embedded computing, modern network and Ad Hoc technologies, can apperceive, collect, process and transmit various information data within the region. It can be used in military defense, biomedical, environmental monitoring, disaster relief, counter-terrorism, remote control of haz...学位：工学硕士院系专业：信息科学与技术学院通信工程系_通信与信息系统学号：2332007115216

Research on Localization Algorithms of Wireless Sensor Network

在无线传感器网络中，在大多数情况下，只有结合了传感器节点位置信息的事件才有意义。无线传感器网络往往布置在人类不能到达的区域，加上受能量、计算能力和存储能力有限性以及成本的影响，传感器节点不可能携带太多的设备，因此，定位技术是无线传感器网络中至关重要的技术之一。 本文针对无线传感器网络的关键技术——传感器网络定位技术进行深入分析与仿真实验研究，取得了具有理论意义和应用价值的结果。 首先，针对无线传感器网络低成本、低功耗的要求，提出了一种DV-Hop改进算法，利用节点间的估计距离和锚节点的位置，在DV-Hop算法的第三阶段使用粒子群优化的方法校正DV-Hop得到的估算位置。该算法不需要任何额外...In most cases of Wireless Sensor Network, only information combining sensor node location is meaningful. Wireless sensor network is often decorated in areas beyond human reach, coupled with the energy, computing power and storage capacity limitation and the influence of cost, therefore a sensor node may not carry too many equipments, therefore, localization technology is one of the crucial technol...学位：工学硕士院系专业：软件学院_计算机软件与理论学号：2432008115247