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A Cross-Layer Transmission on Video telephony over WCDMA Network

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3 Author(s)
Yo-Han Kim ; Sungkyunkwan Univ., Suwon ; Jitae Shin ; Chang Guk Choi

Video telephony is a representative service in 3G mobile network. There have been many efforts to improve quality of video telephony service in different fields. In Korea, leading mobile service providers, SKTelecom and KTF service the WCDMA network and more than four million people are using it. This paper proposes an error minimizing algorithm using cross-layer adaptation between physical layer and video codec for the video telephony over WCDMA network. We simulated 3G-324M protocol with MPEG4 video codec, and simulation results show suggested algorithm improve packet transmission rate for improving quality of video telephony service.

Published in:

Advanced Communication Technology, 2008. ICACT 2008. 10th International Conference on  (Volume:3 )

Date of Conference:

17-20 Feb. 2008