發(fā)布時間：2018-06-07 01:56

  本文選題：無線傳輸協(xié)議 + 能量有效　； 參考：《電子科技大學(xué)》2017年碩士論文

【摘要】：低速無線個域網(wǎng)應(yīng)用領(lǐng)域非常廣闊,在工業(yè)控制、商業(yè)檢測、精細(xì)農(nóng)業(yè)、智能家居等不同領(lǐng)域都表現(xiàn)出巨大的應(yīng)用前景。無線傳輸協(xié)議作為低速無線個域網(wǎng)通信系統(tǒng)中的主要支撐技術(shù),是網(wǎng)絡(luò)中設(shè)備能相互交換信息的關(guān)鍵所在,保證了無線終端數(shù)據(jù)傳輸?shù)陌踩院头�(wěn)定性。目前,低速無線個域網(wǎng)中的無線傳輸協(xié)議面臨功耗、可移植性、網(wǎng)絡(luò)拓?fù)涞榷喾矫嫣魬?zhàn)以及設(shè)備信息竊聽等多種安全威脅。本文基于IEEE802.15.4標(biāo)準(zhǔn)和ZigBee協(xié)議規(guī)范,實(shí)現(xiàn)了一種可移植性強(qiáng)的高可信無線傳輸協(xié)議。該協(xié)議能有效防止惡意設(shè)備攻擊并延長網(wǎng)絡(luò)的生命周期,具有較強(qiáng)的實(shí)際應(yīng)用意義。無線傳輸協(xié)議包括物理層、MAC層、網(wǎng)絡(luò)層和應(yīng)用層。其中MAC層具有信道掃描、設(shè)備關(guān)聯(lián)和數(shù)據(jù)請求的功能,本文參考ZigBee安全規(guī)范,在能進(jìn)行穩(wěn)定可靠數(shù)據(jù)傳輸?shù)幕A(chǔ)上,設(shè)計MAC層安全機(jī)制,實(shí)現(xiàn)MAC層幀保護(hù),避免惡意設(shè)備的攻擊,增加了網(wǎng)絡(luò)的安全性。網(wǎng)絡(luò)層支持網(wǎng)絡(luò)的建立,主要負(fù)責(zé)路由的發(fā)現(xiàn)和維護(hù),本文研究了分層樹路由、AODV路由、能量均衡路由等路由策略,在此基礎(chǔ)上改進(jìn)設(shè)計并仿真實(shí)現(xiàn)了能量有效的定向控制樹路由(EDTR),均衡網(wǎng)絡(luò)中設(shè)備的能量消耗,延長網(wǎng)絡(luò)的生存壽命。應(yīng)用層可根據(jù)實(shí)際應(yīng)用編寫不同的應(yīng)用程序,本文基于AES算法實(shí)現(xiàn)了對應(yīng)用層應(yīng)用數(shù)據(jù)的加密,防止網(wǎng)絡(luò)中有用信息被盜取,進(jìn)一步增加網(wǎng)絡(luò)的安全性。本文采用網(wǎng)絡(luò)模擬仿真軟件NS2對本文中無線傳輸協(xié)議NWK層的路由策略來仿真分析,重點(diǎn)對比分析了 AODV路由、能量均衡路由以及本文設(shè)計的能量有效的定向控制樹路由(EDTR)的性能指標(biāo),具有EDTR路由策略具有低功耗、低延遲的特點(diǎn)。另外,本文利用以CC2530為核心的硬件平臺對MAC層和應(yīng)用層的安全機(jī)制進(jìn)行驗(yàn)證,得出本文改進(jìn)后的無線傳輸協(xié)議具有避免惡意設(shè)備攻擊以及防止網(wǎng)絡(luò)中有用信息被盜取的結(jié)論。
[Abstract]:Low speed wireless personal area network (LWPAN) is widely used in many fields, such as industrial control, commercial detection, fine agriculture, smart home and so on. As the main supporting technology of low speed wireless personal area network communication system, wireless transmission protocol is the key to exchange information between devices in the network, which ensures the security and stability of wireless terminal data transmission. At present, wireless transmission protocols in low-speed wireless personal area networks face many security threats, such as power consumption, portability, network topology and device information eavesdropping. Based on IEEE802.15.4 standard and ZigBee protocol specification, a high reliable wireless transmission protocol with high portability is implemented in this paper. The protocol can effectively prevent malicious devices from attacking and prolong the network life cycle. Wireless transport protocols include physical layer MAC layer, network layer and application layer. The MAC layer has the functions of channel scanning, device association and data request. This paper, referring to the ZigBee security specification, designs the MAC layer security mechanism and implements the MAC layer frame protection on the basis of stable and reliable data transmission. Avoid the attack of malicious devices, and increase the security of the network. The network layer supports the establishment of the network, mainly responsible for the discovery and maintenance of routing. In this paper, the hierarchical tree routing AODV routing, energy balanced routing and other routing strategies are studied. On this basis, the energy efficient directional control tree routing EDTR is designed and simulated, which equalizes the energy consumption of the equipment in the network and prolongs the lifetime of the network. The application layer can write different application programs according to the actual application. This paper realizes the encryption of application data in application layer based on AES algorithm, prevents useful information from being stolen in the network, and further increases the security of the network. In this paper, the network simulation software NS2 is used to simulate and analyze the routing strategy of the wireless transport protocol NWK layer in this paper, and the AODV routing is compared and analyzed. The energy balanced routing and the energy efficient directed control tree routing (EDTR) designed in this paper have the characteristics of low power consumption and low delay in EDTR routing strategy. In addition, this paper uses CC2530 as the core hardware platform to verify the security mechanism of MAC layer and application layer, and draws the conclusion that the improved wireless transmission protocol can avoid malicious device attack and prevent useful information from being stolen in the network.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TN92

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本文編號：1989185