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A Collaborative Video Download Application Based on Wi-Fi Direct

Sha, H; Tasiopoulos, AG; Psaras, I; Pavlou, G; (2016) A Collaborative Video Download Application Based on Wi-Fi Direct. In: Mamatas, L and Matta, I and Papadimitriou, P and Koucheryavy, Y, (eds.) Wired/Wireless Internet Communications: 14th IFIP WG 6.2 International Conference, WWIC 2016, Thessaloniki, Greece, May 25-27, 2016, Proceedings. (pp. pp. 147-158). Springer International Publishing Green open access

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Abstract

We developed a collaborative video download application, which allows several users to form a local group via peer-to-peer (P2P) links and collaboratively help one user in the group to download a high quality video. Cellular interface and P2P interface are simultaneously utilised in the application to guarantee quality of experience (QoE) when the cellular connection is disrupted. The application is based on Wi-Fi Direct technology and it exploits the service discovery function of the Wi-Fi Direct framework. Apart from the implementation itself, we also model collaborative video streaming over the cellular network under periodic cellular disconnections (e.g., the commuters experience poor Internet services when trains travel through tunnels). Our purpose is to exploit the gains of the collaborative download between users in the context of periodic disconnections and limited cellular downlink rate. We simulate several scenarios to find the requirements of the application that guarantee seamless and undisrupted playback.

Type: Proceedings paper
Title: A Collaborative Video Download Application Based on Wi-Fi Direct
Event: 14th IFIP WG 6.2 International Conference, 25-27 May 2016, Thessaloniki, Greece
ISBN-13: 9783319339351
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/978-3-319-33936-8_12
Publisher version: http://dx.doi.org/10.1007/978-3-319-33936-8
Language: English
Additional information: Copyright © 2016 IFIP International Federation for Information Processing. Published by Springer International Publishing Switzerland 2016. All Rights Reserved
Keywords: Collaborative download; Wi-Fi Direct; Service discovery; Seamless playback
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1501851
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