A Study of Video Frame Sharing in Sparse Vehicular Networks

Author

Shieh, Wen-Cheng ; Sou, Sok-Ian ; Tsai, Shin-Yeh

Author_Institution

Inst. of Comput. & Commun. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan

fYear

2011

fDate

7-9 Dec. 2011

Firstpage

444

Lastpage

448

Abstract

Due to the limited budget and high maintenance cost, it is difficult to deploy a large amount of roadside units (such as 802.11 base stations) to cover all road sections. Through a sparse network infrastructure, vehicles experience long download delay for large-size videos. In this paper, we proposed a Video Frame Sharing Mechanism (VFSM) to improve the performance of download sessions. We also investigate how to prevent selfish nodes in VFSM. Through VFSM, users can download video frames from RSUs (Road Side Units) or share video frames with neighboring vehicles by V2V communications in a fair manner. As a result, the video downloading can be speeded up and the video quality can be substantially improved. The extensive simulation results show that the our proposed protocol is practical.

Keywords

peer-to-peer computing; vehicular ad hoc networks; V2V communications; roadside units; sparse vehicular networks; video frame sharing; Ad hoc networks; Indexes; PSNR; Peer to peer computing; Streaming media; Transform coding; Vehicles; MPEG; RSU; VANET; file sharing; selfish node;

fLanguage

English

Publisher

ieee

Conference_Titel

Parallel and Distributed Systems (ICPADS), 2011 IEEE 17th International Conference on

Conference_Location

Tainan

ISSN

1521-9097

Print_ISBN

978-1-4577-1875-5

Type

conf

DOI

10.1109/ICPADS.2011.15

Filename

6121309