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Paper Abstract and Keywords
Presentation 2013-12-18 15:10
Human-Centered Design of a Rate Control Method for Multitasking
Sumaru Niida (KDDI Labs), Satoshi Uemura (KDDI), Shigehiro Ano (KDDI Labs)
Abstract (in Japanese) (See Japanese page) 
(in English) With the rapid growth of high performance ICT devices such as smart phones and tablet PCs, multitasking has become one of the popular ways of using mobile devices. The reasons users have adopted multitask operation are that it reduces the level of dissatisfaction regarding waiting time and makes effective use of time by switching their attention from the waiting process to other content. This is a good solution to the problem of waiting; however, it may cause another problem, which is to increase the traffic volume as a result of multiple applications being worked on simultaneously. Thus, an effective method to control throughput adapted to the multitasking situation is required. This paper evaluated a rate control method designed by a human-centered approach based on the behavioral characteristics of users during multitasking. It also quantitatively demonstrates the effect of the method in a field experiment. We show that the degree of satisfaction in relation to waiting time did not degrade even if the throughput for the background content decreased throughput by 40%.
Keyword (in Japanese) (See Japanese page) 
(in English) Service quality / user experience / human-centered design / waiting time / QoE / / /  
Reference Info. IEICE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee HCGSYMPO  
Conference Date 2013-12-18 - 2013-12-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Matsuyama Multi-Purpose Community Cente 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Human communication, etc. 
Paper Information
Registration To HCGSYMPO 
Conference Code 2013-12-HCGSYMPO 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Human-Centered Design of a Rate Control Method for Multitasking 
Sub Title (in English)  
Keyword(1) Service quality  
Keyword(2) user experience  
Keyword(3) human-centered design  
Keyword(4) waiting time  
Keyword(5) QoE  
1st Author's Name Sumaru Niida  
1st Author's Affiliation KDDI R&D Laboratories (KDDI Labs)
2nd Author's Name Satoshi Uemura  
2nd Author's Affiliation KDDI Corporation (KDDI)
3rd Author's Name Shigehiro Ano  
3rd Author's Affiliation KDDI R&D Laboratories (KDDI Labs)
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Date Time 2013-12-18 15:10:00 
Presentation Time 20 
Registration for HCGSYMPO 
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