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Detection of Fictitious Node with Modification of OLSR Protocol in MANET

Authors(2):

Prof. Divyanshu Rao, Megha Singh
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MANET has been gaining the popularity because of its ease of implementation. One of the major elements in MANET is routing protocol, which consists of two main protocols: proactive and reactive routing protocols. In this work, we focus on proactive protocol called OLSR (Optimize Link State Routing Protocol), where the routes are always maintained by interchanging control overhead, namely HELLO and TC (Topology Control) messages. However, the resource is very wasteful and this causes the performance degradation. We propose the method to reduce the control overhead while maintaining the throughput of OLSR and also reducing the power consumption by using the well-known mathematic tool, which is widely used in interactive decision systems. Our proposed method is modified OLSR. We also investigate the effect of OLSR on power consumption of nodes based on two type of Medium Access Control (MAC) protocol; IEEE 802.11 MAC and Sensor Medium Access Control (SMAC) protocol used in mobile sensor network. OLSR is modified in such a way that every node in the system when HELLO and TC interval are expired. Each node will choose its strategy to “Update” or “Not update” the HELLO and TC messages. The performance in terms of control overhead and throughput of the proposed algorithm is evaluated by using parameters namely Routing Overhead (RO), Average Throughput. However, the performance in terms of power consumption is evaluated by metrics called Average Power Consumption of nodes in two states (transmission and reception). According to the simulation results, it is apparent that the proposed OLSR Modified algorithm (MOLSR) provides large RO reduction while the Average Throughput is reduced a little bit. The power consumption of the network in all states is also reduced. That is, the proposed algorithm modification in HELLO and TC message can reduce the certain amount of Control Overhead as well as the Power Consumption while the Average Throughput is reduced a little bit. Therefore, Theoretical OLSR is able to support energy-efficient MANET in various node mobility and node density environments.

Prof. Divyanshu Rao, Megha Singh

HELLO and TC messages, MANET, OLSR, MAC Protocol, RO, MOLSR

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Publication Details

Published in : Volume 3 | Issue 3 | May-June - 2017
Date of Publication Print ISSN Online ISSN
2017-06-30 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
196-201 IJSRSET173351   Technoscience Academy

Cite This Article

Prof. Divyanshu Rao, Megha Singh, "Detection of Fictitious Node with Modification of OLSR Protocol in MANET", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 3, Issue 3, pp.196-201, May-June-2017.
URL : http://ijsrset.com/IJSRSET173351.php