本文選題：無線傳感器網(wǎng)絡 + ZigBee��； 參考：《北京郵電大學》2016年碩士論文

【摘要】：無線傳感器網(wǎng)絡(Wireless Sensor Networks,WSN)是一種新興的分布式傳感網(wǎng)絡,由末梢傳感器感知外部對象信息,通過多跳自組織網(wǎng)絡發(fā)送至后端。WSN以其自組織、全向性、小開銷、節(jié)點簡單的特點,在智能交通、安全監(jiān)控、環(huán)境監(jiān)控等領(lǐng)域應用擁有巨大的潛力。ZigBee技術(shù)是一種基于IEEE802.15.4標準的低功耗局域網(wǎng)協(xié)議,可以為WSN系統(tǒng)的實際應用提供了 一種優(yōu)秀的解決方案。ZigBee技術(shù)在短距離通信中應用廣泛,具有近距離、低功耗、低復雜度、自組織、動態(tài)路由等特點。本課題旨在運用ZigBee技術(shù)實現(xiàn)WSN系統(tǒng),實現(xiàn)客運車場內(nèi)車輛的實時定位和管理功能。WSN系統(tǒng)分為傳感網(wǎng)絡部分和數(shù)據(jù)處理部分。傳感網(wǎng)絡部分擁有多個節(jié)點,部署在停車場內(nèi)部和客運車輛中,節(jié)點間通過ZigBee網(wǎng)絡實現(xiàn)通信,完成業(yè)務數(shù)據(jù)傳輸、客運車輛定位信息采集功能。數(shù)據(jù)處理部分僅一個節(jié)點,部署于停車場內(nèi)部,是所有傳感節(jié)點的根節(jié)點,匯總傳感網(wǎng)絡中所有信息,并實現(xiàn)傳感器網(wǎng)絡與互聯(lián)網(wǎng)的網(wǎng)關(guān)功能,擁有一定的數(shù)據(jù)處理能力,可實現(xiàn)業(yè)務數(shù)據(jù)匯總、車輛實時定位,以及將車輛信息通過3G網(wǎng)絡傳輸至后臺服務器等功能。此WSN系統(tǒng)的特點為:基于ZigBee的WSN系統(tǒng)實現(xiàn),以及車輛在室內(nèi)環(huán)境中的實時定位算法實現(xiàn)。基于ZigBee的WSN系統(tǒng)不僅可以進行數(shù)據(jù)采集和節(jié)點間通信,還可以實現(xiàn)WSN網(wǎng)絡參數(shù)設置和節(jié)點組網(wǎng)管理,是本課題中客運車輛管理系統(tǒng)的基礎通信網(wǎng)絡;車輛實時定位算法基于位置標記原理和指紋算法提出,是實現(xiàn)客運車場中車輛管理功能的基礎。在實際停車場中部署了 WSN系統(tǒng)并進行測試:在業(yè)務功能方面,車輛和司機信息可實時發(fā)送至后臺,車輛定位正確率為79.2%,并可以準確判斷車輛進出站;在系統(tǒng)管理功能方面,后臺可實時查詢和管理WSN系統(tǒng)各項參數(shù),并可以對系統(tǒng)各節(jié)點設備進行升級。由測試結(jié)果可知,本W(wǎng)SN基本實現(xiàn)了課題中客運場站管理的需求。
[Abstract]:Wireless Sensor Networks (WSN) is a new kind of distributed sensor network. It is sent from the end sensor to the back-end. WSN through multi-hop self-organization network with its characteristics of self-organization, omnidirectional, small overhead and simple node. ZigBee technology is a low power LAN protocol based on IEEE 802.15.4 standard. ZigBee technology can be used widely in short distance communication. It has the characteristics of short distance communication, low power consumption, low complexity, self organization, dynamic routing and so on. The purpose of this paper is to use ZigBee technology to realize the WSN system and realize the real-time location and management function of the vehicle in the passenger depot. WSN system is divided into the sensor network part and the data processing part. The sensor network has several nodes, which are deployed in the parking lot and passenger vehicles. The nodes communicate with each other through ZigBee network to complete the business data transmission and the location information collection function of passenger vehicles. The data processing part is only one node, which is deployed inside the parking lot. It is the root node of all the sensor nodes. It aggregates all the information in the sensor network, and realizes the gateway function between the sensor network and the Internet. It can collect the service data, locate the vehicle in real time, and transmit the vehicle information to the background server through 3G network. The characteristics of this WSN system are the realization of ZigBee based WSN system and the realization of real-time location algorithm of vehicle in indoor environment. The WSN system based on ZigBee can not only collect data and communicate among nodes, but also realize the setting of WSN network parameters and network management of nodes. It is the basic communication network of passenger vehicle management system in this subject. Vehicle real-time location algorithm is based on the principle of location marking and fingerprint algorithm, which is the basis of vehicle management in passenger depot. The WSN system is deployed and tested in the actual parking lot. In terms of business functions, the vehicle and driver information can be sent to the background in real time, the vehicle positioning accuracy rate is 79.2%, and the vehicle entry and exit station can be accurately judged. Background can query and manage the parameters of WSN system in real time, and upgrade every node device of the system. According to the test results, this WSN basically realizes the demand of passenger station management in the subject.
【學位授予單位】：北京郵電大學
【學位級別】：碩士
【學位授予年份】：2016
【分類號】：TN92;TP212.9;TP315

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