2006 IEEE International Conference on Multimedia and Expo
Efficient Wireless Multicast Protocol with Orthogonal CTS Modulation Supporting Video Conferencing
Toronto, ON, Canada
July 09-July 12
ISBN: 1-4244-0366-7
Ju Wang, Virginia Commonwealth University, Email: jwang3@vcu.edu
Hongsik Choi, Virginia Commonwealth University, Email: hchoi@vcu.edu
Esther Hughes, Virginia Commonwealth University, Email: eahughes@vcu.edu
Yong Tang, University of Florida, Email: yt1@cise.ufl.edu
Multicast based video conferencing in wireless networks is recently receiving more and more attention. In this paper, we propose a novel linker-level protocol, Multicast with Orthorgonal CTS (MOCTS) protocol, to provide efficient wireless multicast. Our approach uses orthogonal Walsh code to modulate CTS packets at different receiving nodes. The modulated CTSs are simultaneously transmitted and decoded at the source node, thus considerably reducing multicast CTS collisions. Simulation results show that the MOCTS protocol can reduce more than 20% in total transmission efforts.
Citation:
Ju Wang, Hongsik Choi, Esther Hughes, Yong Tang, "Efficient Wireless Multicast Protocol with Orthogonal CTS Modulation Supporting Video Conferencing," icme, pp.1217-1220, 2006 IEEE International Conference on Multimedia and Expo, 2006
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