摘要
近年来,随着物联网概念的提出和技术的发展,使得人类对于客观世界的感知能力不断加强。无线传感器网络作为物联网实现的重要手段,已经成为了一个热门的科研领域,而无线传感器网络协议栈的设计与实现,是一个无线传感器网络能否高效率工作的关键。现有的无线传感器网络的协议栈设计大多是针对网状网络和星状网络这样的拓扑结构,对于像石油管道、公路、河流等线形长距离的网络的实用性较差。本文针对这种技术的发展的现状,设计出了一种适合线形长距离无线传感器网络的“端口号映射法”协议栈,并对该协议栈的设计和实现进行了详细的论述。在此基础上,提出了线形长距离无线传感器网络的整体系统,并对网关节点的设计和PC端管理软件的网络互联进行的详细的论述。
本文基于线形长距离无线传感器网络的协议栈的设计,对网络的整体性能进行了实验和分析:网络的能量模型实验分析和单个传感器节点的能耗实验分析。通过对这两部分内容的介绍,使我们可以更深入地了解该无线传感器网络的能量不对称性和系统底层通信的性能。为线形长距离无线传感器网络提供了一种实现方案。
Recent years,human perception of the objective world is increas ing with the introduction of the concept of Internet of thingsand de velopment of technology. Wireless sensor network which is the im portant means of realization of Internet of things has becomea hot research field. The design and implementation for protocol stack of linear long-distance wireless sensor networkis the key whether a wireless sensor network can work efficiently.The existing design sof wireless sensor network protocol stack is based on topology o f the mesh network star network, which perform badly in the top ology of linear long-distance such as oil pipeline, road and river. In such current situation of technology development, we designed a protocol stack named "the method of port number mapping"espe cially for linear long-distance wireless sensor network, and an imp lementation of this protocol stack is also given in this paper. Furt hermore, we put forward an overall system for the linear long-dist ance wireless sensor network, and give the detailed description of the design for the gateway node as well as connection of the P C terminal management software.
In this paper, the performance of linear long-distance wirele ss sensor network was on the whole tested and analyzed base on the design for its protocol. The network energy model an d single WSN-node energy consumption are analyzed after corresp onding experiments. In this way, We found the energy model is asymmetry and know clearly the performance of thecomm unication in physical layer. Referred to the description all abo ve, we give a proper implementation plan for the linear long-distance wireless sensor network.
引文
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