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机会网络中基于Ferry的低能耗路由算法 被引量：1

Effective Energy-saving Ferry-based Routing Protocol for Opportunistic Networks
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摘要 在节点移动规律无法预知、连通性较差的机会网络中,FIMF(Ferry-Initialed Message Ferrying)路由能够有效地提高网络中消息传递成功率。在FIMF路由机制中,普通节点在传递控制消息(如节点位置消息、Hello消息)时存在多余的通信开销,并且采用了大功率发送位置消息会耗费过多能量。提出了基于RSSI测距技术和跨层设计的消息摆渡节能路由算法AFIMF。AFIMF中采用基于RSSI测距技术,在普通节点上采用自适应调整功率技术和跨层检测技术按需发送Hello消息。仿真结果表明,AFIMF算法有良好的稳定性,在保证通信传递率的前提下,普通节点不仅有效地节约了能量,而且减少了开销。 In opportunistic networks, it is difficult to know in advance how a node moves and holds a poor connectivity. It has been shown that using Ferry-Initialed Message Ferrying （FIMF） scheme can effectively improve the network message delivery success rate. In this paper, a system for the analysis of the FIMF is described and an advanced algorithm called AFIMF is given. The algorithm uses the RSSI technology to reduce the transmit power of the node location messages. Besides, it is based on cross-layer information sharing to send hello messages of node on-demand. The results show that AFIMF can effectively save energy consumption and reduce network overhead.
作者 雷宏江 刘彩梅 高潮 任智
机构地区 重庆邮电大学移动通信技术重庆市重点实验室 重庆大学光电技术及系统教育部重点实验室
出处 《电视技术》 北大核心 2013年第9期112-115,共4页 Video Engineering
基金 国家自然科学基金项目(60972068) 教育部留学回国人员科研启动基金项目(2010-1561) 重庆市科委自然科学基金项目(cstc2012jjA40040) 重庆市教委科研项目(KJ080507 KJ120510) 应急通信重庆市重点实验室开放课题(201201) 重庆邮电大学自然科学基金项目(A2009-53)
关键词 机会网络 FIMF 功率调整 低功耗 opportunistic networks FIMF power adjustment low power consumption
分类号 TN919 [电子电信—通信与信息系统]
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参考文献10

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共引文献3

同被引文献15

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电视技术
2013年 第9期

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