Title:
QUALITY OF EXPERIENCE OPTIMIZING DEVICE, NETWORK QUALITY ESTIMATING DEVICE, MOBILE TERMINAL, QUALITY OF EXPERIENCE OPTIMIZING METHOD, NETWORK QUALITY ESTIMATING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2017/094847
Kind Code:
A1
Abstract:
This quality of experience optimizing device is provided with: a quality-related information database which stores quality information indicating a network quality, in conjunction with time information indicating the time at which the network quality was measured, and location information indicating the location at which the network quality was measured; an estimating means which acquires, from the quality-related information database, quality information satisfying certain conditions corresponding to a playback location, which is the location in which a video is to be played back, and a playback time, which is the time at which the video is to be played back, and estimates the network quality in the playback location and at the playback time, from the quality information; and a calculating means which calculates recommended values of video encoding conditions on the basis of the network quality estimated by the estimating means and encoding conditions available for the video, in such a way as to optimize the quality of experience with respect to the video.
Inventors:
MATSUMOTO ARIFUMI (JP)
YOKOTA MASAHIRO (JP)
KIMURA TAKUTO (JP)
YOKOTA MASAHIRO (JP)
KIMURA TAKUTO (JP)
Application Number:
PCT/JP2016/085757
Publication Date:
June 08, 2017
Filing Date:
December 01, 2016
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04N21/438; H04N21/442
Other References:
KONISHI, H. ET AL.: "Improvement of Throughput Prediction Accuracy for Video Streaming in Mobile Environment", PROCEEDINGS OF THE 2014 IEEE 3RD GLOBAL CONFERENCE ON CONSUMER ELECTRONICS (GCCE, 7 October 2014 (2014-10-07), pages 749 - 750, XP032732813, ISBN: 978-1-4799-5145-1
YIN, X. ET AL.: "A Control-Theoretic Approach for Dynamic Adaptive Video Streaming over HTTP", PROCEEDINGS OF THE 2015 ACM CONFERENCE ON SPECIAL INTEREST GROUP ON DATA COMMUNICATION (SIGCOMM '15, 21 August 2015 (2015-08-21), pages 325 - 338, XP058071190, ISBN: 978-1-4503-3542-3, Retrieved from the Internet [retrieved on 20161215]
YIN, X. ET AL.: "A Control-Theoretic Approach for Dynamic Adaptive Video Streaming over HTTP", PROCEEDINGS OF THE 2015 ACM CONFERENCE ON SPECIAL INTEREST GROUP ON DATA COMMUNICATION (SIGCOMM '15, 21 August 2015 (2015-08-21), pages 325 - 338, XP058071190, ISBN: 978-1-4503-3542-3, Retrieved from the Internet
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
Download PDF: