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LAR协议改进研究 被引量：1

The Improvement of LAR Protocol
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摘要 本文提出了一种全新的采用UWB定位辅助的按需式路由协议——LAAR协议。它可以在每个要建立路由的源-目标节点对之间动态的设定一个限制路由请求包传播范围的区域,并且当中间节点收到源节点发起的路由请求包时,它会把自己看做新的源节点,建立起目标节点与它自身之间的新的路由搜索区域。LAAR的分析结果表明,较之于LAR协议它降低路由发现开销的程度与网络中节点的密集程度密切相关。据此我们又提出了ALAR协议,该协议中的网络节点收到路由请求包后会计算它自身和目标节点之间区域的网络节点密集度,并由此来确定路由搜索范围。仿真结果表明ALAR协议与LAAR协议在路由发现开销和路由建立时间上较之于LAR协议均有很大改善。 This paper innovatively presents a protocol named LAAR supported by UWB positioning operates in an on-demand manner. This protocol dynamically creates a pre-routing region between each source-destination pair and limits the propagation of route request packets outside of this region. The transmitting node also participates in the creation of pre-routing region like source node when it has received the route request packet. The analyses results show that the overhead performance improved by LAAR may be close...
作者 黄一峰 邹传云
机构地区 桂林电子科技大学通信与信息工程系
出处 《微计算机信息》 北大核心 2008年第9期256-257,255,共3页 Control & Automation
基金 国家自然科学基金(60472092)
关键词 无线自组网 超宽带无线定位辅助 路由搜索区域 Ad-hoc network UWB positioning pre-routing region
分类号 TP393.04 [自动化与计算机技术—计算机应用技术]
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参考文献3

  • 1[1]R.Ramanathan and J.Redi,"A Brief Overview of Ad Hoc Networks:Challenges and Directions,"IEEE Commun.Magzine,Vol.40,No.5,May 2002.
  • 2[4]J.QiangFeng and D.Manivannan.Routing protocols for sensor networks.Presented at consumer communications and Networking Conference,CCNC 2004.First IEEE.2004.
  • 3[5]B.Johnson,A.Maltz,Yih-Chun Hu."The Dynamic Source Routing Protocol for Mobile Ad Hoc Networks(DSR)",Internet Draft,Internet Engineering Task Force,April 2003

同被引文献11

  • 1GOVINASYAMY V,BLACKSTONE W L, BALASEKARAN G. Sur- vey of recent position based routing mobile Ad Hoc network proto- cols[C]//Proc. UKSim 13th International Conference on Computer Modelling and Simulation(UKSim), 2011. Texarkana, USA: [s.n.], 2011 : 467-471.
  • 2KO Y B, VAIDYA N H. Location-aided routing in mobile ad hoc networksp[C]//Proc. ACM/IEEE Mobicom. IS.1.]: IEEE Press, 1998: 66-75.
  • 3FENG K T, LU T E. Velocity and location aided routing for mobile Ad Hoc networks[C]//Proc. Vehicular Technology Conference, 2004. [S.1.] : IEEE Press, 2004: 2789-2793.
  • 4JANG H C, HUNG C C. Direction based routing strategy to reduce broadcast storm in MANET[C]//Proc. International Computer Sympo- sium(ICS) ,2010. [S.1.]:IEEE Press,2010:445-450.
  • 5CHAKI N. LAR2P: a location aided reactive routing protocol for near-optimal route discovery in MANET[C]//Proc. Computer Infor- mation Systems and Industrial Management Applications (CISIM) , 2010. [S.1.] : IEEE Press, 2010: 259-264.
  • 6NANDA S, GRAY R S. Muhipath location aided routing in 2D and 3D[C]//Proc. Wireless Communications and Networking Conference, 2006. IS.1.]: IEEE Press, 2006: 311-317.
  • 7GUPTA N, GUPTA R. Proposed energy conserving routing technique using LAR[C]//Proc. Computational Intelligence and Communication Networks (CICN), 2011. IS.1.] : IEEE Press, 2011 : 626 -630.
  • 8YASSEIN M B, KHAOUA O. Applications of probabilistic flood- ing in MANETs[J]. Ubiquitous Computing and Communication, 2007 ( 1 : : 1-5.
  • 9BAHADILI H A, BASHEER O A,THAHER A A. A location aid- ed routing-probabilistie algorithm for flooding optimization in MA- NETs[C]/fProe. Networking and Information Technology (MIC-CNIT 2007). Amman-Jordan : IEEE Press, 2007 : 6-8.
  • 10BAHADILI H A, MAQOUSI A. On the effect of nodes desnity on the performance of the LAR-1P route discovery algorithm[C]//Proc. Applied Electrical Engineering and Computing Technologies (AE- ECT), 2011. [S.1.] : IEEE Press, 2011 : 1-6.

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微计算机信息
2008年 第9期

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