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| Presentation | 2019-04-18 13:20 QoE-Aware Mitigation of Bitrate Fluctuation in MPEG-DASH Ryuta Sakamoto, Takahiro Shobudani, Ryosuke Hotchi, Ryogo Kubo (Keio Univ.)  CQ2019-1 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, along with popularization of smartphones and the like, video distribution services such as video streaming are being used by many people. MPEG-DASH (MPEG-Dynamic Adaptive Streaming over HTTP) is widely adopted in order to improve user's quality of experience QoE (Quality of Experience) as the video streaming method. MPEG-DASH sequentially selects video data of an appropriate bit rate in accordance with the viewing environment of the user from downloaded video data of a fixed time encoded at a plurality of bit rates, downloads them, and sequentially reproduces them. Therefore, it is possible to reproduce the image as much as possible without interrupting it. One streaming method using this MPEG-DASH is to select a bit rate so as to keep the user's playback buffer constant, but in this method, since the bit rate to be selected is updated sequentially, the user's QoE There is a concern of reduction. Therefore, in this paper, we propose an adaptive video streaming method to improve QoE by minimizing the bit rate variation, which is one of the factors greatly affecting user's QoE, in video streaming using MPEG - DASH. In this method, in order to suppress the fluctuation of the bit rate, the bit rate to be selected is fixed when the playback buffer is not near the upper limit and the lower limit. Simulation confirms that the proposed method improves QoE compared with the conventional method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MPEG-DASH / QoE / Rate Adaptation / Feedback Control / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 7, CQ2019-1, pp. 1-6, April 2019. | |
| Paper # | CQ2019-1 | |
| Date of Issue | 2019-04-11 (CQ) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | CQ2019-1 |
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| Conference Information | |
| Committee | CS CQ |
| Conference Date | 2019-04-18 - 2019-04-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka Univ. Library |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Optical/Wireless Access and Their Integration, QoS and QoE, Assessment / Measurement / Control / Optimization of Communication Quality, Network Services, etc |
| Paper Information | |
| Registration To | CQ |
| Conference Code | 2019-04-CS-CQ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | QoE-Aware Mitigation of Bitrate Fluctuation in MPEG-DASH |
| Sub Title (in English) | |
| Keyword(1) | MPEG-DASH |
| Keyword(2) | QoE |
| Keyword(3) | Rate Adaptation |
| Keyword(4) | Feedback Control |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ryuta Sakamoto |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Takahiro Shobudani |
| 2nd Author's Affiliation | Keio University (Keio Univ.) |
| 3rd Author's Name | Ryosuke Hotchi |
| 3rd Author's Affiliation | Keio University (Keio Univ.) |
| 4th Author's Name | Ryogo Kubo |
| 4th Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-04-18 13:20:00 |
| Presentation Time | 25 minutes |
| Registration for | CQ |
| Paper # | CQ2019-1 |
| Volume (vol) | vol.119 |
| Number (no) | no.7 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2019-04-11 (CQ) |
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