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Scheme of real-time video transmission based on ECN algorithm over wireless QoS mechanism

  • Jiang Hua Li*
  • , Long Wen Li
  • , Xiao Zhen Yan
  • *Corresponding author for this work
  • College of Computer Science and Technology, Harbin Engineering University
  • College of Information and Communication Engineering, Harbin Engineering University

Research output: Contribution to journalArticlepeer-review

Abstract

An implementation scheme of MPEG-4 real-time multi-channel video streaming based on RTP/RTCP over WLAN is put forward, and an effective multi-channel video synchronization model based on times-tamp is proposed. For the wireless QoS mechanism, this system applies an ECN algorithm based on RTCP feedback rate control algorithm-TFRC. This ECN algorithm improves the TFRC algorithm, adjusts the sending rate dynamically according to ECN-marked packet probability to realize congestion control. Experiments show that this transmission method brings about high can obtain good video transmission quality.

Original languageEnglish
Pages (from-to)1542-1545
Number of pages4
JournalXi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics
Volume29
Issue number9
StatePublished - Sep 2007
Externally publishedYes

Keywords

  • Congestion control
  • QoS
  • RTP/RTCP
  • WLAN

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