Optimal video packet distribution in multipath routing for urban VANETs

Video content streaming between two vehicles has various applications in vehicular ad-hoc networks (VANETs). Due to the highly dynamic nature of VANETs, video contents are usually transferred via multiple discovered routes to increase the chance of error-free packet delivery. However, vehicular rout...

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Bibliographic Details
Published in:Journal of communications and networks 2018, 20(2), , pp.198-206
Main Authors: Salkuyeh, Mostafa Asgharpoor, Abolhassani, Bahman
Format: Article
Language:English
Subjects:
Asynchronous transfer mode
Delay
Delays
Freezing
Freezing delay
Mobile ad hoc networks
multipath routing
Optimization
packet distribution optimization
packet loss ratio (PLR)
Packets (communication)
Performance evaluation
Quality of service
quality of service (QoS)
Routing
Routing protocols
Streaming media
Vehicles
vehicular ad-hoc networks (VANETs)
video streaming
전자/정보통신공학
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Description
Summary:Video content streaming between two vehicles has various applications in vehicular ad-hoc networks (VANETs). Due to the highly dynamic nature of VANETs, video contents are usually transferred via multiple discovered routes to increase the chance of error-free packet delivery. However, vehicular routes suffer from limited lifetimes and low connectivity probabilities, which result in increasing packet loss ratio (PLR) and frequent video playback freezing. In this paper, PLR is minimized by optimally distributing video packets in multiple routes while meeting quality of service (QoS) parameters (meeting freezing delay and number of transferred video packets constraints). By doing so, reconstruction and playback of the video are achieved with guaranteed QoS. Performance evaluation of our proposed scheme shows enhancements in terms of average PLR (63.3%), average freezing delay (6%), average packet end-to-end delay (66.6%) and average number of delivered video packets (8%) after 10 seconds simulation.
ISSN:1229-2370
1976-5541
DOI:10.1109/JCN.2018.000026