Analysis of the Character statics of Video Streaming on WLAN Networks
Anubhuti Khare1, Manish Saxena2, Rajesh Kourav3
1Dr. Anubhuti Khare, Department of Electronics and Communication, University Institute of Technology Rajeev Gandhi Technical University, Bhopal, India.
2Manish Saxena, Head of Electronics and Communication Department, , Bansal Institute Of Science and Technology, Bhopal, India.
3Rajesh Kourav, Student, M.Tech  Digital Communication, Bansal. Institute Of Science and Technology, Bhopal, India,

Manuscript received on november 18, 2011. | Revised Manuscript received on October 01, 2011. | Manuscript published on October 30, 2011. | PP: 8- 14 | Volume-1 Issue-2, October 2011. | Retrieval Number: B0124111111/2011©BEIESP

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Abstract: The bursty nature of video streaming applications is due to the frame-based structure of video and this has an important impact on the resource requirements of the WLAN, affecting its ability to provide Quality of Service (QoS) particularly under heavily loaded conditions. In this paper, we analyse the unique delay characteristic of video streaming applications in a WLAN environment. We show that the “burstiness” of video is due to the frame-based nature of encoded video. We show how each video frame is transmitted as a burst of packets that is queued at the Access Point causing the delay to exhibit a sawtooth-like characteristic over time that is related to the frame rate and frame structure of the encoded video. In this paper, not only do we consider the end-to-end delay, but more importantly we consider the total delay required to transmit the entire video frame. We present experimental results for VBR and CBR video streams and calculate the upper bounds on video encoding parameters for streaming real-time interactive video over a WLAN.
Keywords: WLAN, Videostreaming, Connectivity.