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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ying-Hsin Liang Ben-Jye Chang Cheng-Hsin Liu |
| Copyright Year | 2014 |
| Description | Author affiliation: Dept. of Comput. Sci. & Inf. Eng., Nat. Yunlin Univ. of Sci. & Technol., Douliou, Taiwan (Ben-Jye Chang) || Dept. of Comput. Sci. & Inf. Eng., Chaoyang Univ. of Technol., Taichung, Taiwan (Cheng-Hsin Liu) || Dept. of Multimedia Animation & Applic., Nan Kai Univ. of Technol., Nantou, Taiwan (Ying-Hsin Liang) |
| Abstract | The active safe driving application offers real-time video streaming services and real-time emergency messages (EMs) to improve the driving safety in intelligent transportation systems (ITS). As the required (or shared) video and EM quality increasing, the constraints of packet delay, packet loss rate and the required bandwidth of packet transmissions become critically in Vehicular Ad-hoc NETwork (VANET). Multicasting is thus adopted to reduce the bandwidth waste rate while a sender wants to send real-time videos to a group of receivers. Although the multicasting VANET can adopt the retransmissions of lost chunks, it yields a long multicasting delay and wastes bandwidth for re-sending video chunks to the receivers that have successfully received chunks. This paper thus proposes a Peer-to-Peer (P2P) overlay network to cooperate with the multicast VANET, namely the minimum Delay-Guarantee chunk Reloading approach (DGR), to reload the lost or unconfirmed chunks timely. In DGR, a chunk with the least delay to the lost-chunk node is selected as the optimal compensating chunk. Numerical results demonstrate that DGR outperforms the compared approaches in successful chunk reload rate, average chunk delay, and chunk delivery ratio. Clearly, the retransmission-based multicasting and the random chunk-selection mechanism lead to obvious long delay and large bandwidth waste rate. |
| Starting Page | 629 |
| Ending Page | 634 |
| File Size | 3342000 |
| Page Count | 6 |
| File Format | |
| e-ISBN | 9781479967292 |
| DOI | 10.1109/ICCVE.2014.7297625 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-11-03 |
| Publisher Place | Austria |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Real-time video streaming Multicast VANET networks Vehicular ad hoc networks The least-delay guarantee Streaming media Multicast communication Real-time systems Delays Peer-to-peer computing P2P-based chunk reloading Vehicles |
| Content Type | Text |
| Resource Type | Article |
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