An Experimental Study on Wi-Fi Ad-Hoc Mode for Mobile Device-to-Device Video Delivery
- 1 April 2009
- conference paper
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
Abstract
The demand for video content is continuously increasing as video sharing on the Internet is becoming enormously popular recently. This demand, with its high bandwidth requirements, has a considerable impact on the load of the network infrastructure. As more users access videos from their mobile devices, the load on the current wireless infrastructure (which has limited capacity) will be even more significant. Based on observations from many local video sharing scenarios, in this paper, we study the tradeoffs of using Wi-Fi ad-hoc mode versus infrastructure mode for video streaming between adjacent devices. We thus show the potential of direct device-to-device communication as a way to reduce the load on the wireless infrastructure and to improve user experiences. Setting up experiments for Wi- Fi devices connected in ad-hoc mode, we collect measurements for various video streaming scenarios and compare them to the case where the devices are connected through access points. The results show the improvements in latency, jitter and loss rate. More importantly, the results show that the performance in direct device-to-device streaming is much more stable in contrast to the access point case, where different factors affect the performance causing widely unpredictable qualities.Keywords
This publication has 9 references indexed in Scilit:
- XORs in the Air: Practical Wireless Network CodingIEEE/ACM Transactions on Networking, 2008
- On-demand Video Streaming in Mobile Opportunistic NetworksPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2008
- Can internet video-on-demand be profitable?Published by Association for Computing Machinery (ACM) ,2007
- MobiUSPublished by Association for Computing Machinery (ACM) ,2007
- Motes Sensor Networks in Dynamic Scenarios: An Experimental Study for Pervasive Applications in Urban EnvironmentsJournal of Ubiquitous Computing and Intelligence, 2007
- Study of the Behaviour of Video Streaming over IEEE 802.11b WLAN NetworksPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2006
- An experimental study of routing and data aggregation in sensor networksPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2005
- Understanding congestion in IEEE 802.11b wireless networksPublished by Association for Computing Machinery (ACM) ,2005
- IEEE 802.11 ad hoc networks: performance measurementsPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2004