Reliable data delivery in MANETs using PGF and VH scheme

2017 IEEE International Conference on Electrical, Instrumentation and Communication Engineering (ICEICE) Pub Date : 2017-04-01 DOI:10.1109/ICEICE.2017.8191927

M. Sakthivel, T. Gnanaprakasam, K. Siva Krishna Rao

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引用次数: 5

Abstract

This paper addresses the issue of reliable data delivery in highly dynamic Mobile Ad-hoc Networks (MANETs). Most existing MANET routing protocols are susceptible to data delivery in reliable and timely manner. To counter this problem, Position-based Greedy Forwarding protocol (PGF), a novel GR protocol which takes advantage of greedy forwarding and opportunistic routing is proposed. In PGF, the best forwarding candidate is used to forward the data packets. If the best forwarding candidate is not available to transmit packets, then the suboptimal candidates will take a chance to forward the packets and thus, data reliability is achieved. To enhance PGF's robustness and to deal with the communication voids, VH (Void Handling) scheme based on a virtual destination is proposed. Here, the packets are rerouted to reach the destination. Both simulation and theoretical results show that PGF leads to excellent improvement in packet delivery ratio with reduced Packet Forwarding Times per Hop (FTH) and Packet Forwarding Times per Packet (FTP) even under high node mobility.

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基于PGF和VH方案的manet可靠数据传输

本文讨论了高动态移动自组织网络(manet)中可靠数据传输的问题。现有的大多数MANET路由协议都能实现可靠、及时的数据传输。为了解决这一问题，提出了一种基于位置的贪婪转发协议(PGF)，它是一种利用贪婪转发和机会路由的新型GR协议。在PGF中，使用最佳候选转发来转发数据包。如果最佳的候选转发无法用于传输数据包，则次优候选转发将有机会转发数据包，从而实现数据可靠性。为了提高PGF的鲁棒性和处理通信空洞，提出了基于虚拟目标的VH (Void Handling)方案。在这里，数据包被重路由到目的地。仿真和理论结果都表明，即使在高节点移动性的情况下，PGF也能显著提高分组传输率，降低每跳转发次数(packet Forwarding Times per Hop, FTH)和每包转发次数(packet Forwarding Times per packet, FTP)。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2017 IEEE International Conference on Electrical, Instrumentation and Communication Engineering (ICEICE)

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