基于“在路径计算”的无线视觉传感器网络验证平台设计

发布时间：2018-03-10 00:02

本文选题：无线视觉传感器节点　切入点：AODV　出处：《南京理工大学》2017年硕士论文　论文类型：学位论文

【摘要】：与无线传感器网络相比,无线视觉传感器网络因能量受限而导致的网络生命周期较短问题更为严重,"在路径计算"方法包括视频编码与路由协议两方面的研究内容,其中路由协议研究的目的为实现网络能量消耗均衡,延长网络生命周期。本文为验证该方法的可行性,从网络层路由协议着手,设计验证平台,为无线视觉传感器网络"在路径计算"方法中路由协议进一步研究提供物理支持。针对无线视觉传感器网络"在路径计算"方法中路由协议理论的研究,本文提出了基于距离估计的AODV路由协议优化方法,经NS2仿真表明,优化后AODV的路由开销和时延性能明显改善。根据无线视觉传感器网络以及本文所提出的路由方法所依附的硬件软件功能,构建了验证平台总体方案,验证平台由多个无线视觉传感器节点组网构成,本文设计了基于ARM11的无线视觉传感器节点,节点硬件系统包括微处理器模块、无线收发模块、视觉信息采集模块、电源管理模块,节点软件系统包括应用层和Linux系统层。经实验验证,利用本文所设计节点搭建测试平台,实现了图像传感功能、视觉信息压缩处理功能、无线通信功能、节点间距离参数和节点剩余电量参数获取功能,满足了"在路径计算"方法中路由协议实现的物理需求。
[Abstract]:Compared with the wireless sensor network, network lifetime of wireless visual sensor networks due to the limited energy short is more serious, "in the path calculation method includes two contents of video encoding and routing protocol, the network consumption of Energy Balanced Routing Protocol for the purpose of the study, this paper is to extend the network life cycle. To verify the feasibility of the method, starting from the network layer routing protocol, design verification platform for wireless visual sensor networks" in the path calculation method in the routing protocol for further research to provide physical support for wireless visual sensor networks "in the path calculation method in the routing protocol research, proposed the optimization method of AODV routing protocol distance estimation based on the NS2 simulation show that the routing overhead and delay performance of AODV is significantly improved after optimization. According to the wireless visual sensor network The function of hardware and software as well as network routing method proposed in this paper are attached to the construction of the overall plan of the verification platform, verification platform is composed of a plurality of wireless visual sensor network composed of nodes, this paper designs a wireless visual sensor node based on ARM11 node hardware system includes microprocessor module, wireless transceiver module, visual information acquisition module, power management module node, the software system includes application layer and system layer of Linux. By experimental verification, the design of the node to build a test platform, to achieve the image sensing function, visual information processing function, wireless communication function, node parameters and residual energy of node distance parameter acquisition functions satisfy the physical demand routing protocol in path computation "method of implementation.

【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TP212.9;TN929.5

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