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| Content Provider | IET Digital Library |
|---|---|
| Author | Wu, Jiyan Cheng, Bo Shang, Yanlei Yuen, Chau Chen, Junliang |
| Abstract | Inter destination video synchronisation (IDVS) is a key technology in emerging interactive multimedia applications. It is essential to ensure the synchronous experiences of users in such applications. However, one inevitable barrier for IDVS is the packet transfer delay differences (PTDDs) among different destinations. Existing researches have tried to eliminate the side effects of PTDD passively and schedule the video packets in a ‘back-to-back’ fashion. In this paper, the authors propose to proactively leverage such differences to design a transmission scheme that enhances video quality while ensuring the synchronous arrival of packets. Based on the network measurements from a real multimedia conferencing system and the Planetlab, they find that the PTDD is between the ranges of 100–250 ms. Motivated by this observation, they propose a scheme named asynchronous departure for synchronous arrival (ADSA), which inserts intervals between consecutive packets according to the synchronisation reference. To prove the superiority of ADSA, they carry out analysis based on Gilbert loss model and continuous time Markov chain. They conduct performance evaluation through emulations in Exata and experimental results show that ADSA improves the video peak signal-to-noise ratio by up to 9.1 and 6.9 dB compared with existing latest and earliest schemes, respectively. |
| Starting Page | 603 |
| Ending Page | 612 |
| Page Count | 10 |
| ISSN | 17518628 |
| Volume Number | 9 |
| e-ISSN | 17518636 |
| Issue Number | Issue 5, Mar (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/9/5 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2013.1188 |
| Journal | IET Communications |
| Publisher Date | 2015-01-07 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | ADSA Asynchronous Departure For Synchronous Arrival Continuous Time Markov Chain Gilbert Loss Model IDVS Inter Destination Video Synchronisation Interactive Multimedia Application Markov Processes Multimedia Communication Packet Transfer Delay Differences PTDD Real Multimedia Conferencing System Transmission Scheme Video on Demand And Video Servers Video Packet Video Peak Signal-to-noise Video Quality Streaming Video Streaming |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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