本文關(guān)鍵詞：基于IEEE802.16d的mesh網(wǎng)絡(luò)路由協(xié)議研究　出處：《哈爾濱工業(yè)大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 無線網(wǎng)格網(wǎng) IEEE802.16 BATMAN NS2

【摘要】：二十一世紀(jì)是信息時代是網(wǎng)絡(luò)大發(fā)展的時代,物聯(lián)網(wǎng)對未來社會的發(fā)展起著舉足輕重的作用,隨著物聯(lián)網(wǎng)技術(shù)的發(fā)展,人們對無線網(wǎng)絡(luò)的實時性、移動性、可靠性、健壯性等需求越來越高。在需求下無線網(wǎng)格網(wǎng)(Wireless Mesh Networks)應(yīng)運(yùn)而生并迅速發(fā)展,它具有實時性高、可移動、自組織、自愈合等特點,在大小規(guī)模的無線網(wǎng)絡(luò)應(yīng)用中性能表現(xiàn)突出。作為mesh網(wǎng)絡(luò)的傳輸標(biāo)準(zhǔn),其MAC層協(xié)議和網(wǎng)絡(luò)層路由協(xié)議一直是人們研究的熱點。本課題首先研究了MAC層協(xié)議IEEE802.16d的原理,并根據(jù)協(xié)議的結(jié)構(gòu)和mesh工作模式,在NS2軟件仿真平臺上,針對已有的協(xié)議補(bǔ)丁ns2mesh80216中的不足,設(shè)計開發(fā)了新的功能模塊,然后將各個模塊整合編譯進(jìn)NS2中,再搭建仿真實例測試其可用性。新的IEEE802.16模塊彌補(bǔ)了ns2mesh80216的不足,在搭建mesh網(wǎng)絡(luò)時可正常使用,并支持與多種網(wǎng)絡(luò)層路由協(xié)議進(jìn)行數(shù)據(jù)交互。對于網(wǎng)絡(luò)層路由協(xié)議,本課題選取較新的BATMAN,針對其不足在兩方面進(jìn)行了優(yōu)化:一方面,對于協(xié)議在路由選擇上的缺點提出了改進(jìn)算法,新增路由判據(jù),修改數(shù)據(jù)包及路由表格式,改進(jìn)路由發(fā)現(xiàn)時數(shù)據(jù)包處理流程,設(shè)計實現(xiàn)了基于鏈路整體傳輸質(zhì)量的路由協(xié)議GLQB-BATMAN(Global Link Quality Based-BATMAN);另一方面,為實現(xiàn)異構(gòu)網(wǎng)絡(luò)中mesh網(wǎng)絡(luò)節(jié)點與非mesh網(wǎng)節(jié)點之間的快速通信,設(shè)計了攜帶網(wǎng)關(guān)信息的數(shù)據(jù)包類型GW-OGM,再次改進(jìn)完善了數(shù)據(jù)包、路由表以及數(shù)據(jù)包處理流程,實現(xiàn)了具有網(wǎng)關(guān)發(fā)現(xiàn)功能的GLQB-BATMAN路由協(xié)議。針對新開發(fā)的IEEE802.16協(xié)議模塊和改進(jìn)后的路由協(xié)議GLQBBATMAN,本課題在NS2軟件仿真平臺上進(jìn)行了測試與分析,搭建實例場景,證明了IEEE802.16協(xié)議模塊的可用性,結(jié)合協(xié)議BATMAN和AOMDV,比較了GLQB-BATMAN和這兩種協(xié)議在不同情況下的表現(xiàn)情況,發(fā)現(xiàn)其在分組投遞率、端到端時延和時延抖動等方面均表現(xiàn)出更優(yōu)良、更穩(wěn)定的特性。
[Abstract]:The twenty-first Century is the era of information is the development of the Internet era, Internet plays an important role in the development of future society, with the development of networking technology, real-time wireless network of people, mobility, reliability, robustness of the increasingly high demand. In under the demand of wireless mesh network (Wireless Mesh Networks) came into being and the rapid development, it has high real-time, mobile, self-organization, self-healing features, the application of wireless network in the neutral size can be outstanding. As the transmission standard of mesh network, the MAC protocol and network layer routing protocol has been a research hotspot. This paper firstly studies the principle of MAC layer the IEEE802.16d protocol, and according to the structure and working mode of mesh protocol, the NS2 software simulation platform, aiming at the shortage of the existing ns2mesh80216 protocol patch in the design and development of new functional modules Then, each module will be integrated into the NS2 compiler, and then build the simulation examples test its availability. The new IEEE802.16 module makes up the lack of ns2mesh80216, in the building of mesh network can be used normally, and support and a variety of network layer routing protocol for data exchange. The network layer routing protocol, this paper selects a new BATMAN aiming at the shortage, in two aspects: on the one hand, for the optimization of routing protocol put forward the shortcomings of the improved algorithm, the new routing metric, modify the data packets and routing table format, improved route discovery packet processing, the design and implementation of the overall quality of the transmission link routing protocol based on GLQB-BATMAN (Global Link Quality Based-BATMAN); on the other hand, in order to realize the rapid communication between mesh network nodes in heterogeneous network and mesh network node design, carrying gateway information of packet type GW -OGM, once again improved the data packets, the routing table and the data processing flow, and achieves the gateway discovery function. According to the GLQB-BATMAN routing protocol routing protocol IEEE802.16 protocol module and improve the new development after GLQBBATMAN, this paper tested and analyzed in the NS2 software simulation platform, built example is used to verify the scene IEEE802.16 protocol module, BATMAN protocol and AOMDV combination, the performance comparison of GLQB-BATMAN and the two protocols in different situations, found in the packet delivery ratio, end-to-end delay and Shi Yandou has showed more excellent, more stable characteristics.

【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TN929.5
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本文編號：1400233