Dr. S. Hemalatha, Dr. Harikumar Pallathadka, P. R. P. Chinchewadi
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引用次数: 0
摘要
移动 Adhoc 网络中的介质访问层负责通过无线介质传输数据包，在传输数据包时，所有节点都必须在发送数据包之前对介质进行检测。当介质空闲时，每个节点都能发送数据包，否则节点必须等待介质空闲。在某些情况下，节点的传输范围可能是空闲的，但由于存在隐藏和暴露节点，节点无法向其他节点发送数据包。在传输介质空闲的情况下，节点不得不进行不必要的等待。本研究文章提出了避免城域网中隐藏和暴露终端问题的互斥 MAC 协议。在网络模拟器 3 的支持下实现了所提出的协议，并将结果与现有不同的 MAC 层协议参数进行了比较，结果显示更好。
ME-MAC Protocol for MAC Layer in MANET to Overcome HET Problem
Medium Access layer in Mobile Adhoc Network is responsible of transmission of packet through the wireless medium, while transmitting the packet all nodes has to intellect the medium before sending the packet. Every node can able to transmit the packet when the medium if free otherwise the nodes have to wait until the medium becomes free. Some cases the transmission range of the node can be idle but due to Hidden and Exposed node, the node could not be sending the packet to other nodes. Node has to wait unnecessarily event the transmission medium is free. This research article proposed the Mutual Exclusion MAC protocol for avoiding hidden and exposed terminal problem in MANET. The proposed protocol is implemented with the support of Network simulator 3 and results are compared with the existing different protocol proposed for the MAC layer with the parameter and better results shown.
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