本文選題：ZigBee + 路由算法��； 參考：《廣東工業(yè)大學(xué)》2017年碩士論文

【摘要】：近年來(lái),隨著我國(guó)人口老齡化趨勢(shì)的加劇,慢性病與退化性疾病患者日益增多。慢性病和退化性疾病的治療強(qiáng)調(diào)“治療為主,監(jiān)護(hù)為輔”。在常規(guī)的醫(yī)療治療手段之外,還需要對(duì)病人進(jìn)行長(zhǎng)期不間斷的生理參數(shù)監(jiān)控,以預(yù)防突發(fā)癥狀以及為醫(yī)生的后續(xù)治療提供診斷依據(jù)。然而傳統(tǒng)醫(yī)療監(jiān)護(hù)設(shè)備存在體型大、成本高、位置固定、接線復(fù)雜的缺點(diǎn),限制了醫(yī)療監(jiān)護(hù)設(shè)備在實(shí)際治療中的應(yīng)用,并且醫(yī)療監(jiān)護(hù)的成本巨大。ZigBee是一種短距離、低功耗的無(wú)線通信技術(shù)。它具有自組織、動(dòng)態(tài)性、大規(guī)模和與應(yīng)用相關(guān)的組網(wǎng)特點(diǎn),適合用于自動(dòng)檢測(cè)、自動(dòng)控制和遠(yuǎn)程控制領(lǐng)域,方便嵌入于各種底層自動(dòng)化設(shè)備中。因此在物聯(lián)網(wǎng)時(shí)代,它有著非常廣闊的應(yīng)用前景�；跓o(wú)線通信技術(shù)的ZigBee網(wǎng)絡(luò)也為醫(yī)療監(jiān)護(hù)領(lǐng)域帶來(lái)了新的解決方案。本課題針對(duì)實(shí)時(shí)監(jiān)測(cè)常處于移動(dòng)中的特殊人群如:慢性病患者、退化性疾病和高危傳染病患者等的生理參數(shù)監(jiān)測(cè)問(wèn)題,對(duì)所采用的ZigBee組網(wǎng)技術(shù)進(jìn)行研究和優(yōu)化,使它更適合于大規(guī)模網(wǎng)絡(luò)和網(wǎng)絡(luò)拓?fù)鋭?dòng)態(tài)變化的組網(wǎng)環(huán)境。首先,本論文對(duì)比了幾種常用的短距離無(wú)線通信技術(shù)的性能和特點(diǎn),針對(duì)實(shí)時(shí)監(jiān)測(cè)常處于移動(dòng)中的特殊人群應(yīng)用對(duì)象,認(rèn)為ZigBee技術(shù)更適合應(yīng)用于無(wú)線生理參數(shù)監(jiān)測(cè)網(wǎng)。接下來(lái),對(duì)IEEE802.15.4/ZigBee標(biāo)淮協(xié)議棧進(jìn)行了簡(jiǎn)單介紹,闡述了ZigBee網(wǎng)絡(luò)從組網(wǎng)到路由的技術(shù)原理。尤其對(duì)ZigBee網(wǎng)絡(luò)的三種傳統(tǒng)路由算法(Cluster-Tree,AODVjr和ZBR)進(jìn)行了詳細(xì)的分析,并得出它們?cè)诖笠?guī)模和網(wǎng)絡(luò)拓?fù)鋭?dòng)態(tài)變化的組網(wǎng)環(huán)境下存在過(guò)多冗余路由控制開(kāi)銷(xiāo)分組的結(jié)論。本文進(jìn)一步針對(duì)ZigBee傳統(tǒng)路由算法高控制開(kāi)銷(xiāo)的缺陷,提出兩種改進(jìn)思路。它們分別從路由請(qǐng)求分組的廣播轉(zhuǎn)發(fā)跳數(shù)和路由請(qǐng)求分組的轉(zhuǎn)發(fā)方向來(lái)實(shí)現(xiàn)對(duì)路由請(qǐng)求分組廣播范圍的精確控制。以減少路由控制開(kāi)銷(xiāo),提升網(wǎng)絡(luò)的性能。然后,針對(duì)醫(yī)院這一特定應(yīng)用環(huán)境搭建NS2應(yīng)用仿真環(huán)境,對(duì)該無(wú)線通信網(wǎng)絡(luò)路由協(xié)議進(jìn)行仿真,仿真結(jié)果表明這種改進(jìn)后的ZBR算法有效的降低了網(wǎng)絡(luò)中的路由控制開(kāi)銷(xiāo),達(dá)到了期望的設(shè)計(jì)要求。
[Abstract]:In recent years, with the aggravation of aging population in China, the number of chronic and degenerative diseases is increasing day by day. The treatment of chronic diseases and degenerative diseases emphasizes that "treatment is the priority, and care is secondary". In addition to the conventional medical treatment, it is also necessary to monitor the patient's physiological parameters for a long time, in order to prevent sudden symptoms and provide diagnostic basis for the doctor's follow-up treatment. However, the traditional medical monitoring equipment has the disadvantages of large size, high cost, fixed position and complex wiring, which limits the application of medical monitoring equipment in actual treatment, and the cost of medical monitoring is huge. ZigBee is a short distance. Low power wireless communication technology. It has the characteristics of self-organization, dynamic, large-scale and application-related networking. It is suitable for automatic detection, automatic control and remote control, and is convenient to embed in all kinds of underlying automation equipment. Therefore, in the Internet of things era, it has a very broad application prospects. ZigBee network based on wireless communication technology has also brought a new solution to the field of medical monitoring. In this paper, the ZigBee networking technology is studied and optimized for real-time monitoring of physiological parameters of special people, such as patients with chronic diseases, degenerative diseases and high risk infectious diseases. It is more suitable for large-scale network and network topology dynamic changing networking environment. Firstly, this paper compares the performance and characteristics of several commonly used short-range wireless communication technologies, and considers that ZigBee technology is more suitable for wireless physiological parameter monitoring network. Then, the IEEE 802.15.4 / ZigBee protocol stack is briefly introduced, and the technical principle of ZigBee network from networking to routing is expounded. In particular, three traditional routing algorithms for ZigBee networks (Cluster-Treegne AODVjr and ZBR) are analyzed in detail, and the conclusion is drawn that there are too many redundant routing control overhead packets in the large-scale and dynamic network environment. In order to solve the problem of high control overhead in ZigBee routing algorithm, this paper puts forward two ways to improve ZigBee routing algorithm. They can accurately control the broadcast range of routing request packets from the number of broadcast forwarding hops of routing request packets and the forwarding direction of routing request packets respectively. To reduce routing control overhead and improve network performance. Then, the NS2 application simulation environment is built for the hospital application environment. The simulation results show that the improved ZBR algorithm can effectively reduce the routing control overhead in the network. Meet the desired design requirements.
【學(xué)位授予單位】：廣東工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：TN92

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