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多媒体传感器网络中多路径传输方式及其拥塞控制机制 被引量:4

Multi-path transmission strategy and congestion control scheme for multimedia sensor networks
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摘要 提出一种多媒体传感器网络中的多路径传输方法。综合考虑传输时间、链路剩余能量及传输速率等因素,通过元数据分组的探寻,建立三类路径,并利用自适应采样时间间隔调整,降低了网络拥塞的可能性。实验表明,本方法在分组丢失率、传输实时性、拥塞控制等方面均表现出良好性能。 A multi-path transmission method for multimedia sensor networks was proposed.By considering the transmission time,residual energy as well as transmission rate of the wireless links,three classes of paths are established with the help of metadata packets.Network congestion rate is reduced as well by adjusting time intervals of sampling.Experiments results show that this method is well performed on packet loss,real-time transmission as well as congestion control.
出处 《通信学报》 EI CSCD 北大核心 2010年第11期147-157,共11页 Journal on Communications
基金 国家自然科学基金资助项目(60973139 60773041) 江苏省自然科学基金资助项目(BK2008451) 江苏省博士后基金资助项目(0801019C) 江苏高校科技创新计划基金资助项目(CX09B_153Z) 江苏省计算机信息处理技术重点实验室基金资助项目(2010) 江苏省六大高峰人才基金资助项目(2008118)~~
关键词 无线多媒体传感器网络 多路径传输 拥塞控制 multimedia sensor networks multi-path transmission congestion control
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