Abstract
Mobile Ad Hoc networks is a network in which energy is a main constraint and selection of a protocol that minimizes the energy usage is a key issue. Mobile Ad hoc network communicates with other nodes, without the help of base station and Communication is possible by forwarding a data unit consisting of control information and user data known as packets from one node to other. Furthermore, another key issue in mobile ad hoc networks is routing since the nodes are in mobility and tend to change the paths and move out of the network. The evaluation of energy efficient routing protocols can be effectively performed using NS3. Three types of routing protocols can be seen, Reactive, Proactive and Hybrid and in this paper, AODV a reactive protocol and OLSR a proactive protocol is compared and Delivery ratio of packets, Packet Loss and count of packets received are evaluated to analyze the energy efficiency of protocols based on these metrics.
Highlights
In the proposed work simulation, 50 nodes are simulated, and the number of sinks is 10, propagation model used is Constant Speed Propagation Delay, propagation loss model used is Friis, Position Allocator is Random Rectangular Position Allocator, Mac is Adhoc Wifi Mac, Mac Standard is 802.11B, Bps is 2Kpbs, Total simulation time is 120 seconds, Node pause time is 0. Protocol used in this proposed work is Ad Hoc On-Demand Distance Vector (AODV) and Optimized Link State Routing (OLSR) and both the protocols are evaluated on the basis of the above-mentioned scenarios
In this simulation total flow count is 2 and flow bit rate is good in bits per second in AODV
Performance can be analysed from the Network Simulator 3 (NS3) simulation performed on AODV and OLSR that receives the rate of OLSR decreases along with the time
Summary
Mobile Ad Hoc Network is a dynamic, and self-configurable network mainly used for specific tasks, where fixed base station is unavailable [1]. As mobile ad hoc network is not based on fixed infrastructure [3], the path selection from source to destination is dynamically discovered, and network nodes communicate with each other by redirecting the packets to the node, only if the node is within the network coverage area [4]. A new path is reestablished during the unavailability of nodes for forwarding packets [6] Another main problem in the mobile ad hoc network is the energy use of each node in network communication [7] since nodes in ad hoc networks rely on the battery and battery is a constraint in MANETs [8]. Route discovery is performed at each node while the packets are forwarded [12]. The Optimized Link State Routing (OLSR) Protocol and the Ad Hoc On-Demand Distance Vector (AODV) reactive protocol are compared and evaluated to conclude that in other Parameters such as the transmission ratio of packets, loss of packets and count of received packets, this protocol can reduce energy consumption and performance evaluation is obtained
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