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Journal of Software:2012.23(1):108-121

无线多媒体传感器网络视频流多路径路由算法
曹啸,王汝传,黄海平,孙力娟,肖甫
(南京邮电大学 计算机学院,江苏 南京 210003;南京邮电大学 江苏省无线传感网高技术研究重点实验室,江苏 南京 210003;南京邮电大学 计算机学院,江苏 南京 210003;南京邮电大学 江苏省无线传感网高技术研究重点实验室,江苏 南京 210003;南京邮电大学 宽带无线通信与传感网技术教育部重点实验室,江苏 南京 210003)
Multi-Path Routing Algorithm for Video Stream in Wireless Multimedia Sensor Networks
CAO Xiao,WANG Ru-Chuan,HUANG Hai-Ping,SUN Li-Juan,XIAO Fu
(Department of Computer Science and Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;High Technology Research Key Laboratory of Wireless Sensor Networks of Jiangsu Province, Nanjing University of Posts and Telecommunica)
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Received:August 18, 2010    Revised:January 20, 2011
> 中文摘要: 无线多媒体传感器网络中的视频流传输,需要提供多样QoS 保障.提出一种基于改进蚁群算法多路径路由算法ACMRA(ant colony based multipath routing algorithm),以寻找具有多种优先级路径的路径集,并对重要性不同的视频数据进行相应路径的选择.通过优化网络链路上人工信息素的初始分布,改进后的蚁群算法具有更快的可行路径发现速度及收敛速度.多路径机制的引入提高了网络数据吞吐量与视频传输性能,同时可均衡网络资源,延长网络生命.实验结果表明,算法ACMRA 在网络性能、视频传输性能与网络生命周期方面,较之其他路由算法具有明显优势.
Abstract:A variety of QoS guarantee is to be needed in the real-time transmission of video stream in wireless multimedia sensor networks. A multi-path routing algorithm ACMRA (ant colony based multipath routing algorithm) based on improved ant colony algorithm is proposed in this paper to find the paths set which includes paths according to different priorties. It also takes the importance of video data into consideration when making path choice. The improved ant colony algorithm enjoys faster finding and convergence speed by optimizing the initial distribution of artificial pheromone on network link. By introducing the multi-path mechanism throughput, the network and video transmission performance are both enhanced, while it also balances network resources and prolongs the network life cycle. Compared with the other classic routing algorithm, the experimental results illustrate that ACMRA has obvious advantages in terms of raising network, video transmission performance, and extending the network life cycle.
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基金项目:国家自然科学基金(60973139, 60903181, 61003039, 61003236); 江苏省科技支撑计划( 工业)(BE2010197, BE2010198); 江苏省级现代服务业发展专项资金与江苏省高校自然科学基础研究项目(10KJB520013, 10KJB520014); 高校科研成果产业化推进工程项目(JH10-14); 江苏省科技创新计划(CX09B-153Z, CX10B-197Z, CX10B-200Z); 教育部博士点基金(20103223120007); 江苏省六大高峰人才 国家自然科学基金(60973139, 60903181, 61003039, 61003236); 江苏省科技支撑计划( 工业)(BE2010197, BE2010198); 江苏省级现代服务业发展专项资金与江苏省高校自然科学基础研究项目(10KJB520013, 10KJB520014); 高校科研成果产业化推进工程项目(JH10-14); 江苏省科技创新计划(CX09B-153Z, CX10B-197Z, CX10B-200Z); 教育部博士点基金(20103223120007); 江苏省六大高峰人才
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曹啸,王汝传,黄海平,孙力娟,肖甫.无线多媒体传感器网络视频流多路径路由算法.软件学报,2012,23(1):108-121

CAO Xiao,WANG Ru-Chuan,HUANG Hai-Ping,SUN Li-Juan,XIAO Fu.Multi-Path Routing Algorithm for Video Stream in Wireless Multimedia Sensor Networks.Journal of Software,2012,23(1):108-121