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A REVIEW PAPER ON ROUTING USING ADAPTIVE POSITION UPDATE (APU) STRATEGY

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.6, No. 5)

Publication Date:

Authors : ; ;

Page : 24-28

Keywords : APU; Routing; Geographical Routing; MANET.;

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Abstract

MANET is self-configured Mobile Ad hoc network of mobile nodes connected via random topology. The main issue in MANET is the selection of best path between any two nodes. Routing in MANET is to find the efficient path to transfer the data from source to destination. APU strategy is routing strategy for geographic routing in Mobile ad-hoc network which dynamically adjust the frequency of position updates based on the mobility dynamics of the nodes and the forwarding patterns in the network. The beacon updates include the current location and velocity of the nodes. Existing systems use periodic beaconing to update the routing table for data transfer. There are various problems with periodic beaconing which are Each update in Position in a given network consumes node energy, bandwidth of wireless channel, and the risk of packet collision increases correspondingly at the medium access control (MAC) layer. Packet collisions in the network cause packet loss which again decreases the routing performance which results in difficulty to evaluate local topology for transmission. It results in a heavy loss due this factor beacon lost and a lost beacon cannot be retransmitted. A lost data packet does get retransmitted as a result end-to-end delay increases. Hence to solve the above problems an Enhanced APU Based architecture is required. In this paper we have discussed about APU and its architecture.

Last modified: 2017-05-06 19:15:35