Tuesday 30 March 2010

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 89-599
Full Name: Ankita Patel
Position: Lecturer
Age: ON
Sex: Female
Address: 5, Tarun Residency,, Salunke Vihar Road, Kondhwa,Pune, Maharastra
Country: INDIA
Tel: +919404239178
Tel prefix:
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E-mail address: ankitapatel3003@yahoo.com
Other E-mails: ankita_ben@rediffmail.com
Title of the Paper: System Performance Enhancement using Hexagonal GAF Grid Architecture for Wireless Mobile Ad hoc Networks
Authors as they appear in the Paper: Ankita K.Patel , Radhika D.Joshi
Email addresses of all the authors: ankitapatel3003@yahoo.com, rdj@extc.coep.org.in
Number of paper pages: 11
Abstract: Limited battery power is the key issue for the wireless mobile ad hoc networks. Energy efficient routing protocols reduce the energy consumption while preserving the network connectivity. Geographic adaptive fidelity (GAF) protocol is one of the energy efficient protocols which extend the lifetime of self-configuring system while preserving connectivity. GAF protocol identifies the redundant nodes and switch off their radios to conserve the energy. In GAF square grid architecture nodes can directly communicate to its vertical and horizontal adjacent grids but not to diagonal grids because of limited radio range. This issue is known as unreachable corner of GAF square grid architecture. To make it reachable it is required to reduce the size of the grid but that reduces the network life time by 37.5%. This paper proposes hexagonal grid structure for GAF named as GAF-HEX. Hexagonal architecture replace virtual square grid of GAF into hexagon. This architecture is eval!
uated on different performance metrics like packet delivery ratio, throughput and energy consumption. Our simulation results shows that GAF-HEX improves packet delivery ratio and throughput with energy consumption almost same as GAF. These protocols are tested with different mobility, pause time, different grid size and traffic rate.
Keywords: MANET, GAF, throughput, Packet delivery ratio
EXTENSION of the file: .pdf
Special (Invited) Session: Energy Conservation for Wireless Mobile Ad hoc Networks using Hexagonal GAF Protocol
Organizer of the Session: 643-276
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