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Research on Mobile Ad Hoc Network Routing Protocols

Author: ZhangYong
Tutor: LuoWuSheng
School: National University of Defense Science and Technology
Course: Instrument Science and Technology
Keywords: Ad Hoc Networks Military communications Routing Protocol AODV Multipath Routing AOMDV
CLC: TN929.5
Type: Master's thesis
Year: 2007
Downloads: 164
Quote: 3
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Abstract


Mobile Ad Hoc network is composed by a group of mobile terminal routing functions multi-hop temporary autonomous system nodes can be through a wireless connection to to constitute any network topology . Routing protocols as an important factor affecting the performance of the network , to ensure the correct operation of the key of the Ad Hoc network . Depth and extensive research in this area will provide an important scientific basis for application of mobile ad hoc networks , has a very important significance . Thesis by means of NS2 ( NetSimulator version 2 ) simulation platform , Ad Hoc routing protocols conducted in-depth research papers include: Ad Hoc network routing protocols , as well as evaluating the indicators of learning and research , several typical routing protocol for comparative analysis . A detailed analysis of the AODV routing protocol algorithm , and NS2 simulation platform , drawn the AODV scalability , rapid convergence , but poor performance under high load conditions Conclusion . A branch - a combination of military communications detachments communication and command network , the establishment of the network model , optimized AODV routing protocol modifications , avoid mechanism to suppress the number of control packets , as well as improved congestion by increasing the routing cache to reduce data packet loss rate and network delay , so as to improve the performance of the network . By NS2 simulation , will optimize the routing protocol compared with original AODV protocol . The simulation results show that the modified protocol network performance is better than the original AODV protocol . Multi- path form . Multimedia information from video stream encoding , the introduction of multi-path transmission of AODV AOMDV, analysis of the algorithm as well as the advantages and disadvantages . On this basis , the estimated early warning and dynamic adaptive selection path path reliability , link using link state , to make it more suitable for the transmission of multimedia information last simulation in NS2 . The simulation results show that optimized the agreement to guarantee the performance of the network have a good effect .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications
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