User talk:Naif Alsharabi

Enhancing On-demand Ad-hoc network Performance Using Packet's == Received Time prediction

Naif Alsharabi, Li Ren Fa ==

College of Computer & Communication

Hunan University – ChangSha 410082, China

Sharabi28@hotmail.com , lirenfa@vip.sina.com

Abstract:

The mobile nodes on ad-hoc network are moving freely on the topology area. The destination nodes can receive the data packet if it is in the transmission range for the sender nodes or there is intermediate nodes can cover the transmission area between the sender nodes and destination nodes. But when one of the nodes moves out of transmission area, the data will start dropping until a new route is established, or the old one is re-established, which will cause significant throughput degradation. In this paper we introduce the Packets Received Time (PRT) to predict the link state. The Prediction Algorithm together with our PRT approach enhances the performance of the existing DSR protocol. The new approach is compared with original DSR in CBR and TCP traffics using various scenarios. The simulation results showed that our scheme is more efficient, reliable and improves throughput of the Ad-hocnetwork. Keyword: Ad-hoc, DSR, Routing Protocol, Prediction Algorithm, Packets Received Time.

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