A Scheme of efficient Bandwidth Guarantee for Multiple Video Transmission of IEEE 802.11e HCCA 


Vol. 35,  No. 8, pp. 820-827, Aug.  2010


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  Abstract

In these days, video applications for special purposes such as video conference systems among multiple users and video surveillance systems require multiple video connections and QoS guarantee. The video systems employ IEEE 802.11 Wireless LAN devices to support broadband wireless interfaces and easy internet accesses for cheaper prices. However, according to the current IEEE 802.11e HCCA standard, if more than three video sessions are established in WSTA services, some of them must share the TXOP because the available number of TSIDs for video transmission is two. In order to resolve the problem, we devised a method which can establish up to 15 video sessions by slightly modifying the frame structure while maintaining the compatibility with current standard. Our method is implemented on the NCTUns 4.0 network simulator, and evaluated not only numerically in terms of throughput, delay, and PSNR, but also experimentally in the sense of real video clips that are used as input to our simulation. The results showed that our method sufficiently guarantees the transmission bandwidth requested by each video session.

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  Cite this article

[IEEE Style]

Y. Kim and J. Suk, "A Scheme of efficient Bandwidth Guarantee for Multiple Video Transmission of IEEE 802.11e HCCA," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 8, pp. 820-827, 2010. DOI: .

[ACM Style]

Young-Hwan Kim and Jung-Bong Suk. 2010. A Scheme of efficient Bandwidth Guarantee for Multiple Video Transmission of IEEE 802.11e HCCA. The Journal of Korean Institute of Communications and Information Sciences, 35, 8, (2010), 820-827. DOI: .

[KICS Style]

Young-Hwan Kim and Jung-Bong Suk, "A Scheme of efficient Bandwidth Guarantee for Multiple Video Transmission of IEEE 802.11e HCCA," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 8, pp. 820-827, 8. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880