User-satisfaction based bandwidth allocation for transmission of multiple sources of human perceptual data |
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| Authors: | Cheng-Chun Chang Tien-Ying Kuo Yi-Chung Lo Heung-No Lee David Askey Zhi-Hong Mao |
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| Affiliation: | 1. Department of Electrical Engineering, National Taipei University of Technology, 1, Sec. 3, Chung-hsiao E. Rd., Taipei 10608, Taiwan, ROC;2. Gwangju Institute of Science and Technology, Republic of Korea;3. Energid Technologies Corporation, 124 Mount Auburn Street, Cambridge, MA 02138, USA;4. Department of Electrical and Computer Engineering and the Department of Bioengineering, University of Pittsburgh, PA 15261, USA;1. College of Computer Science, Zhejiang University, Hangzhou, China;2. School of Aerospace, Tsinghua University, Beijing, China;1. Department of Psychology, University of Minnesota, Minneapolis, MN 55455, United States;2. Department of Cognitive Neuroscience, Faculty of Psychology and Neuroscience, Maastricht University, 6200 MD, Maastricht, The Netherlands;3. Maastricht Centre for Systems Biology (MaCSBio), Maastricht University, 6200 MD, Maastricht, The Netherlands;4. Department of NeuroInformatics, Cuban Center for Neuroscience, Street 190 e/25 and 27 Cubanacán Playa Havana, CP 11600, Cuba;5. Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, MN 55455, United States;1. Department of Mechanical Engineering, São Carlos School of Engineering, University of São Paulo, Av. Trabalhador Sancarlense 400, 13566-590 São Carlos (SP), Brazil;2. Department of Mechanical Engineering, PMA Division, KU Leuven, Celestijnenlaan 300, 3001 Heverlee, Belgium;3. Siemens Industry Software NV, Interleuvenlaan 68, B-3001 Leuven, Belgium;4. Member of Flanders Make, Belgium;1. Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134, Republic of Korea;2. Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Republic of Korea;3. Department of Food Science and Technology, Chungnam National University, Daejeon 34134, Republic of Korea;4. Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang 25354, Republic of Korea |
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| Abstract: | In recent years, more and more point-to-point communication systems involve simultaneous transmission of multiple sources of human perceptual data over a single communication medium. For example, in a teleoperation system or a telerobotic system, streams of video, audio, and haptic data need to be sent from a field place to a remote human operator. Each type of data demands a certain range of transmission rate. This creates conflicts among these data when the available bandwidth is limited.In this paper we study the bandwidth allocation for multiple sources of human perceptual data transmitted over a rate-limited communication channel. We aim to maximize the overall user satisfaction in the data transmission, and formulate an optimization problem for the bandwidth allocation. Using either the logarithmic or exponential form of human perceptual satisfaction function, we are able to derive closed-form solutions for the optimization problem. We show that the optimal bandwidth allocation for each type of data is piecewise linear with respect to the total available bandwidth. |
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