OAODV Routing Algorithm for Improving Energy Efficiency in MANET
OAODV Routing Algorithm for Improving Energy Efficiency in MANET
复制标题
用于提高 MANET 能源效率的 OAODV 路由算法
DOI：
10.5120/8326-1720
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
Riri Fitri Sari
中科院分区：
文献类型：
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作者：
Suvarna Bhatsangave;V. R. Chirchi;Saleh Ali;K. A. Omari;Divya Sharma;A. Kush;Rajani kanth;Bathey Sharanya;M. P. D. Kumar;Riri Fitri Sari
在移动自组织网络 (MANET) 中，没有固定的基础设施。 Ad hoc 网络中使用最广泛的路由协议之一是 Ad hoc 按需距离矢量路由协议，缩写为 AODV。在传统的AODV路由协议中，源节点转发RREQ(路由请求)分组来找出到达目的节点的路径。寿命或能量较小的中间节点也转发RREQ。由于生命周期在一段时间后到期，即节点宕机；它无法在反向路径上转发 RREP（路由回复）。因此，源节点必须重新启动 RREQ 重播才能与目的地进行通信，这会导致不必要的 RREQ 重播、更少的数据包传递率 (PDR) 以及吞吐量和更多的端到端延迟。针对上述问题，本文提出了优化AODV(OAODV)路由协议的解决方案。在这种情况下，除非有足够的能量（电池寿命），并且直到其周围的节点密度超过特定阈值，否则节点不会转发RREQ。这两个参数的定义考虑了各种统计数据。优化的AODV在实现路由发现时对这两个参数进行分析，有效避免不必要的信息发送。通过在相同场景下将 AODV 与优化后的 AODV 进行比较，新协议在电池寿命和吞吐量方面均优于 AODV。一般术语 Ad hoc 网络路由协议、无线 ad hoc 网络等。等人。
In mobile ad hoc networks (MANETs), there is no fixed infrastructure. One of the most widely used routing protocols for an ad hoc network is the Ad hoc On Demand Distance Vector routing protocol, abbreviated as AODV. In the conventional AODV routing protocol, source node forwards RREQ (Route Request) packet to find out path to the destination node. The intermediate node having less lifetime or energy, also forwards RREQ. As lifetime expires after some time i.e. node goes down; it could not forward RREP (Route Reply) on reverse path. Hence, source node has to restart RREQ rebroadcast to communicate with destination, which results in unnecessary RREQ rebroadcast, less Packet Delivery Ratio (PDR) as well as throughput and more end to end delay. Solution to above problem is given in this paper, by Optimized AODV (OAODV) routing protocol. In this, the node does not forward RREQ unless there is sufficient energy (battery lifetime), and until the node density in its surrounding exceeds a particular threshold. These two parameters are defined taking into consideration various statistics. Optimized AODV analyzes these two parameters, when implementing routing discovery, and avoiding the unnecessary information sending efficiently. By comparing AODV with optimized AODV in the same scenario, the new protocol is much better than AODV in terms of battery lifetime and throughput. General Terms Ad hoc network routing protocol, Wireless ad hoc networks et. al.