無線傳感網(wǎng)的IP化及在農(nóng)業(yè)環(huán)境下的應(yīng)用
[Abstract]:Wireless sensor network (WSN) is a network system composed of a large number of micro sensors. It is widely used in smart home, industrial control, medical system, military monitoring and other fields. However, with the continuous development of WSN, a series of outstanding problems also appear. For example, the requirement of WSN for a large number of IP addresses, such as the stateless automatic connection of a large number of nodes in the WSN, the addressing problems involved in configuring the communication between nodes in the WSN and the integration with the Internet, and so on. In order to solve these problems, it is necessary to realize the interconnection of WSN IP. WSN and IP network. And the implementation of all IP mode, is through the addition of adaptation layer to achieve. To solve these problems, we have completed the IP of wireless sensor network based on 6LoWPAN architecture, that is, we add 6LoWPAN adaptation layer above and below the data link layer to realize their interconnection. The architecture uses IPv6 as the network layer protocol, which can fully meet the needs of WSN for a large number of address spaces. The routing protocol is implemented through RPL. The routing protocol is not only simple and efficient, but also can support the stateless automatic discovery and configuration of nodes. In the IP WSN, we finally implement the application of CoAP protocol. Users can directly access and control the nodes through IPv6 in the browser, so that the remote management of a large number of sensor nodes can be achieved. This paper first introduces the research background and significance of the thesis, then deeply studies the 6LoWPAN RPL and CoAP, successfully transplanted the Contiki operating system on the SM2530 node, and realizes the fusion of WSN and IPv6 based on the Contiki operating system. Finally, the IP node is applied to the intelligent agriculture project. Through the actual test, the wireless sensor node using IP can join the network automatically without configuration, and the user can access the node through IPv6 in the browser, get the temperature information of the node directly and control the node.
【學(xué)位授予單位】:南京郵電大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:TN929.5;TP212.9;S126
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