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New Signaling approach Improving the VoIP Quality of Service in Ad hoc Network

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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Year of Publication: 2016
Authors:
Salma Rattal, Abdelmajid Badri, Mohammed Moughit
10.5120/ijca2016909561

Abdelmajid Badri Salma Rattal and Mohammed Moughit. New Signaling approach Improving the VoIP Quality of Service in Ad hoc Network. International Journal of Computer Applications 141(2):42-46, May 2016. BibTeX

@article{10.5120/ijca2016909561,
	author = {Salma Rattal, Abdelmajid Badri and Mohammed Moughit},
	title = {New Signaling approach Improving the VoIP Quality of Service in Ad hoc Network},
	journal = {International Journal of Computer Applications},
	issue_date = {May 2016},
	volume = {141},
	number = {2},
	month = {May},
	year = {2016},
	issn = {0975-8887},
	pages = {42-46},
	numpages = {5},
	url = {http://www.ijcaonline.org/archives/volume141/number2/24760-2016909561},
	doi = {10.5120/ijca2016909561},
	publisher = {Foundation of Computer Science (FCS), NY, USA},
	address = {New York, USA}
}

Abstract

Mobile Ad Hoc NETworks (MANET) are autonomous networks composed of two or more mobile nodes with wireless communication capabilities, but they have no centralized infrastructure network.

VoIP is a technology that allows you to make voice calls using an Internet connection instead of a regular (or analogy) phone line. The quality of service on the VoIP network is spread over several parameters (jitter, MOS, end to end delay, and packet loss rate) which must be taken into account and studied properly during a simulation of a network adopting this technology, which is sensitive to disturbance and dynamic topologies such as ad hoc networks.

For this purpose, several studies have been conducted to improve the quality of voice conveyed via an ad hoc network known for its limited resources and constraints of a higher level.

This paper presents a new approach to H.323 signalling in an ad hoc network implementing three Gatekeepers at a time, or the user calculates the distances separating the three gatekeepers to decide to connect to the appropriate Gatekeeper which is the closest geographically.

This new approach is simulated on Opnet Modeler that will calculate the parameters of the obtained QoS and thus can compare them with the parameters of an H.323 signalling system based on a single Gatekeeper.

References

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  2. ITU-T Recommendation G.114. “One way transmission time” 2003.
  3. Mobile ad-hoc network. Wikipedia. [Online]http://en.wikipedia.org/wiki/Mobile_ad-hoc_network. dec. 2014
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  5. “H.323 – Packet based Multimedia Communication Systems”, ITU-T standard 09/99.
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  7. Twenty-third Annual Joint Conferences of the IEEE Computer and Communications Societies, Volume 2, 7-11 March2004 Page(s):1191 - 1199 vol.2
  8. S. Rattal, A. Badri and M. Moughit. “Performance Analysis of Hybrid Codecs G.711 and G.729 over Signaling Protocols H.323 and SIP”. International Journal of Computer Applications (IJCA) Vol.72 No.3: pages30-33, June 2013. Published by Foundation of Computer Science, New York, USA
  9. ITU-T Recommendation H.323, Packet-based multimedia communications systems, November 2000.
  10. Amit Chhabra Dr. Gurpal Singh “Performance Evaluation and Delay Modelling of VoIP Traffic over 802.11 Wireless Mesh Network” International Journal of Computer Applications (0975 – 8887) Volume 21– No.9, May 2011

Keywords

VoIP, H.323, Ad Hoc, mobility, location