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research-article

Dynamic antenna mode selection for link maintenances in mobile ad hoc network

Published: 01 December 2010 Publication History

Abstract

Mobile ad hoc networks are designed to work in environments, where the terrains have unpredictable obstacles such as hills, water bodies, buildings or regions without any nodes. In the mobile ad hoc network, the mobile nodes use the directional antennas to achieve high spatial reuse. If the nodes with the directional beam move, then the obstacles may come between the communicating nodes. The link quality deteriorates resulting in link break, causing disruption in the communication. This paper proposes a scheme, which allows the mobile nodes to maintain the link in an irregular terrain by dynamically changing antenna mode from directional to omni. The proposed model has been simulated using Qualnet simulator (version 4.5). The simulation results shown that the proposed model is improved the network performance in terms of packet delivery ratio, number of link breaks and number of hops.

References

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Aman Arora, Marwan Krunz, "Interference-limited MAC Protocol for MANETs with Directional Antennas" In Proceedings of the IEEE International Symposium on World of Wireless Mobile and Multimedia Networks table of contents, pp. 2--10, 2005.
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W. Zhao, Y. Chen, M. Ammar, M. Corner, B. Leveine, E. Zegura(2006), "Capacity Enhancement using throwboxes in DTNs" In Proceedings of the IEEE MASS,2006. www.monarch.cs.rice.edu/monarch-papers/mobicom2000.pdf
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M. Chuah, Y. Xi, "Enhanced Delivery In Disruption Tolerant Networks Using Advantaged Nodes With Directional Antenna Capability", In Proceedings of he IEEE Military Communications Conference, Vol. 29, No. 31 pp. 1--6, 2007.
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Chih-Yung Chang, Chao-Tsun Chang, Shin-Chih Tu, "Obstacle-Free Geocasting for Ad Hoc Wireless Networks", Wireless Communications And Networking, Vol. 2, pp 1137--1142, 2003.
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Somprakash Bandyopadhyay, Siuli Roy, Tetsuro Ueda, "Enhancing the Performance of Ad Hoc Wireless Networks with Smart Antennas", Boca Raton, New York: Auerbach publications, 2006.
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Published In

cover image ACM SIGBED Review
ACM SIGBED Review  Volume 7, Issue 3
December 2010
7 pages
EISSN:1551-3688
DOI:10.1145/1938543
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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 December 2010
Published in SIGBED Volume 7, Issue 3

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Author Tags

  1. MANET
  2. antenna mode
  3. link
  4. mobility
  5. terrain

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