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Low Delay Video Streaming on the Internet of Things Using Raspberry Pi

Department of Information and Communication Systems, Mid Sweden University, SE-85170 Sundsvall, Sweden
Authors to whom correspondence should be addressed.
Academic Editors: Simon J. Cox and Steven J. Johnston
Electronics 2016, 5(3), 60;
Received: 29 April 2016 / Revised: 7 September 2016 / Accepted: 13 September 2016 / Published: 20 September 2016
(This article belongs to the Special Issue Raspberry Pi Technology)
PDF [967 KB, uploaded 20 September 2016]


The Internet of Things is predicted to consist of over 50 billion devices aiming to solve problems in most areas of our digital society. A large part of the data communicated is expected to consist of various multimedia contents, such as live audio and video. This article presents a solution for the communication of high definition video in low-delay scenarios (<200 ms) under the constraints of devices with limited hardware resources, such as the Raspberry Pi. We verify that it is possible to enable low delay video streaming between Raspberry Pi devices using a distributed Internet of Things system called the SensibleThings platform. Specifically, our implementation transfers a 6 Mbps H.264 video stream of 1280 × 720 pixels at 25 frames per second between devices with a total delay of 181 ms on the public Internet, of which the overhead of the distributed Internet of Things communication platform only accounts for 18 ms of this delay. We have found that the most significant bottleneck of video transfer on limited Internet of Things devices is the video coding and not the distributed communication platform, since the video coding accounts for 90% of the total delay. View Full-Text
Keywords: Raspberry Pi; Internet of Things; video; streaming; low delay Raspberry Pi; Internet of Things; video; streaming; low delay

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Jennehag, U.; Forsstrom, S.; Fiordigigli, F.V. Low Delay Video Streaming on the Internet of Things Using Raspberry Pi. Electronics 2016, 5, 60.

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