【摘要】：隨著物聯(lián)網(wǎng)技術(shù)的發(fā)展,在一個(gè)分布有大量6LoWPAN傳感器節(jié)點(diǎn)的監(jiān)測區(qū)域中,通過一個(gè)功能強(qiáng)大的邊界路由器實(shí)現(xiàn)域內(nèi)傳感器節(jié)點(diǎn)接入IPv6網(wǎng)絡(luò),并與IP網(wǎng)絡(luò)的相互通信,是實(shí)現(xiàn)物聯(lián)網(wǎng)的一種有效的技術(shù)手段。自6LoWPAN技術(shù)提出至今,在其報(bào)頭壓縮、分片重組、路由和安全方面的研究已經(jīng)取得了較多的研究成果。無線傳感器網(wǎng)絡(luò)(WSN)向IPv6網(wǎng)絡(luò)的融合已經(jīng)成為計(jì)算機(jī)網(wǎng)絡(luò)與通信領(lǐng)域需要解決的關(guān)鍵技術(shù)問題之一,基于IPv6協(xié)議的低功耗無線個(gè)域網(wǎng)(6LoWPAN)具有較大的應(yīng)用價(jià)值與發(fā)展?jié)摿ΑＵ撐南到y(tǒng)全面的綜述了IPv6、6LoWPAN以及IEEE 802.15.4協(xié)議標(biāo)準(zhǔn)的特點(diǎn)和異構(gòu)節(jié)點(diǎn)互聯(lián)互通的關(guān)鍵技術(shù),深入分析了6LoWPAN技術(shù)在地址分配、報(bào)頭壓縮、分片重組等相關(guān)技術(shù)的原理,設(shè)計(jì)了基于6LoWPAN的WSN-IPv6異構(gòu)網(wǎng)絡(luò)融合通信系統(tǒng)的總體框架。在實(shí)驗(yàn)室通過WSN節(jié)點(diǎn)操作系統(tǒng)Contiki結(jié)合簡化IP協(xié)議棧uIP的方式,使得IPv6協(xié)議應(yīng)用到WSN中,實(shí)現(xiàn)了基于6LoWPAN WSN網(wǎng)絡(luò)與IPv6網(wǎng)絡(luò)之間的融合通信。主要做了以下研究工作:(1)設(shè)計(jì)了基于6LoWPAN的WSN-IPv6異構(gòu)網(wǎng)絡(luò)融合通信系統(tǒng)方案。對涉及到的IPv6技術(shù)、無線通信標(biāo)準(zhǔn)、6LoWPAN、Contiki操作系統(tǒng)進(jìn)行分析研究。對于分片重組方案,分析了每跳ARQ分片重組方案和端到端的分片重組方案,對結(jié)合了兩種方案的自適應(yīng)分片重組方案進(jìn)行了研究。在報(bào)頭壓縮技術(shù)方面,對HC1和HC2報(bào)頭壓縮、IPHC和NHC報(bào)頭壓縮算法在幀格式、壓縮過程進(jìn)行了研究。(2)設(shè)計(jì)了基于6LoWPAN的無線傳感器網(wǎng)絡(luò)中傳感器節(jié)點(diǎn)的實(shí)現(xiàn)方案。結(jié)合開源的6LoWPAN實(shí)現(xiàn)方案,對6LoWPAN相關(guān)功能的實(shí)現(xiàn)進(jìn)行了深入的研究。通過對已有的6LoWPAN網(wǎng)絡(luò)協(xié)議棧實(shí)現(xiàn)思路和實(shí)現(xiàn)方案的研究,確定了基于Contiki的6LoWPAN協(xié)議棧實(shí)現(xiàn)方案,方案實(shí)現(xiàn)了6LoWPAN節(jié)點(diǎn)間相互通信的實(shí)驗(yàn)研究,驗(yàn)證了IPv6協(xié)議應(yīng)用到WSN中的可行性。(3)基于“CC2530+CC2592”無線模塊,構(gòu)建了測試環(huán)境,并對6LoWPAN各節(jié)點(diǎn)系統(tǒng)的互聯(lián)通信進(jìn)行實(shí)驗(yàn)研究,對通信系統(tǒng)的實(shí)現(xiàn)方案進(jìn)行了測試與優(yōu)化,實(shí)現(xiàn)了WSN與IPv6網(wǎng)絡(luò)數(shù)據(jù)交換的目標(biāo)。通過對client節(jié)點(diǎn)、server節(jié)點(diǎn)和Router節(jié)點(diǎn)進(jìn)行功能測試,測試結(jié)果表明6LoWPAN在WSN中傳感器節(jié)點(diǎn)上的實(shí)現(xiàn)方案是可行的。
[Abstract]:With the development of Internet of things (IoT) technology, in a monitoring area with a large number of 6LoWPAN sensor nodes, the sensor nodes in the domain are connected to the IPv6 network through a powerful boundary router, and the communication between the sensor nodes and the IP network is realized. It is an effective technical means to realize the Internet of things. Since 6LoWPAN technology was put forward, many research achievements have been made in the fields of header compression, partition recombination, routing and security. The integration of wireless sensor network (WSN) to IPv6 network has become one of the key technical problems in the field of computer network and communication. Low power wireless personal area network (6LoWPAN) based on IPv6 protocol has great application value and development potential. In this paper, the characteristics of IPv6,6LoWPAN and IEEE 802.15.4 protocol standards and the key technologies of heterogeneous node interconnection are summarized, and the principles of 6LoWPAN technology in address allocation, header compression, slice recombination and so on are analyzed. The overall framework of WSN-IPv6 heterogeneous network fusion communication system based on 6LoWPAN is designed. Through WSN node operating system (Contiki) and simplified IP protocol stack (uIP) in the laboratory, the IPv6 protocol is applied to WSN, and the fusion communication between 6LoWPAN WSN network and IPv6 network is realized. The main works are as follows: (1) the scheme of WSN-IPv6 heterogeneous network fusion communication system based on 6LoWPAN is designed. The IPv6 technology and the wireless communication standard 6LoWPANContiki operating system are analyzed and studied. For the piecewise recombination scheme, the ARQ fragment recombination scheme and the end-to-end piecewise recombination scheme are analyzed, and the adaptive piecewise recombination scheme combining the two schemes is studied. In the aspect of header compression, HC1 and HC2 header compression algorithms are studied in frame format and compression process. (2) the implementation scheme of sensor nodes in wireless sensor networks based on 6LoWPAN is designed. Combined with the open source 6LoWPAN implementation scheme, the implementation of 6LoWPAN related functions is deeply studied. Based on the research of the existing 6LoWPAN protocol stack, the implementation scheme of 6LoWPAN protocol stack based on Contiki is determined. The scheme realizes the experimental research of communication between 6LoWPAN nodes. The feasibility of applying IPv6 protocol to WSN is verified. (3) based on the "CC2530 CC2592" wireless module, the test environment is constructed, and the experimental research on the interconnected communication of each node system of 6LoWPAN is carried out, and the implementation scheme of the communication system is tested and optimized. The goal of data exchange between WSN and IPv6 is realized. By testing the function of client node server node and Router node, the test results show that the implementation of 6LoWPAN on the sensor node in WSN is feasible.
【學(xué)位授予單位】：曲阜師范大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TP212.9;TN929.5

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