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DOI: 10.14569/SpecialIssue.2013.030409
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Modifying the IEEE 802.11 MAC to improve performance of multiple broadcasting of multimedia data in wireless ad-hoc networks

Author 1: Christos Chousidis
Author 2: Rajagopal Nilavalan

International Journal of Advanced Computer Science and Applications(IJACSA), Special Issue on Extended Papers from Science and Information Conference 2013, 2013.

  • Abstract and Keywords
  • How to Cite this Article
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Abstract: Multimedia applications over wireless networks have dramatically increased over the past years. Numerous new devices and applications that distribute audio and video over wireless networks are introduced every day and all of them demands a reliable and efficient wireless standard. Either operating as independent ad-hoc networks or as terminal parts of wired networks or the internet, wireless networks are frequently facing the need to broadcast multimedia data from multiple sources to multiple users. IEEE 802.11 standard (Wi-Fi) is the primary technology in wireless networking today. However, it has some inherited problems when it comes to broadcasting caused mainly by the lack of an acknowledgment mechanism. These problems do not allow the standard to take full advantage of the bandwidth offered by its latest amendments. In this paper two independent modifications of the medium access control (MAC) mechanism of the standard, are proposed along with the expanded use of the CTS-to-Self protection mechanism. The main objective of this study is to explore the ability of the modified MAC mechanisms to improve broadcasting performance while are operating in conjunction with a regular wireless network, and also to define the cases were the use of CTS-to-Self-protection mechanism can improve the overall performance of the network. The results show that the overall performance can be improved using these alternative MAC methods. Also, the cases where the CTS-to-Self technique can additionally contribute to the network performance are defined and analyzed.

Keywords: wireless networks; broadcasting; multimedia; linear increase of CW; EBNA; CTS-to-Self

Christos Chousidis and Rajagopal Nilavalan, “Modifying the IEEE 802.11 MAC to improve performance of multiple broadcasting of multimedia data in wireless ad-hoc networks” International Journal of Advanced Computer Science and Applications(IJACSA), Special Issue on Extended Papers from Science and Information Conference 2013, 2013. http://dx.doi.org/10.14569/SpecialIssue.2013.030409

@article{Chousidis2013,
title = {Modifying the IEEE 802.11 MAC to improve performance of multiple broadcasting of multimedia data in wireless ad-hoc networks},
journal = {International Journal of Advanced Computer Science and Applications(IJACSA), Special Issue on Extended Papers from Science and Information Conference 2013}
doi = {10.14569/SpecialIssue.2013.030409},
url = {http://dx.doi.org/10.14569/SpecialIssue.2013.030409},
year = {2013},
publisher = {The Science and Information Organization},
volume = {3},
number = {4},
author = {Christos Chousidis and Rajagopal Nilavalan},
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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