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Paper Abstract and Keywords
Presentation 2016-07-21 09:50
Evaluation of control quality of wireless feedback control systems with Huffman coding that limits the maximum code length
Atsushi Nagata, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) RCC2016-17
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we discuss the reduction of the amount of transmission data in wireless feedback control systems. Because available frequency bandwidth is limited in wireless communication, the amount of control data that can be transmitted in a sampling period is limited. By introducing a variable length coding scheme, the amount of transmission data can be efficiently reduced. However, a variation in packet loss rate due to the variable code length highly affects the control quality. If control data are assigned to long codes, packet loss rate of the data becomes large. Therefore, the control quality deteriorates if control data of high importance are assigned to long codes. From this view point, we consider a Huffman coding scheme that limits the maximum code length. We evaluate the performance of this coding scheme under a data-rate constraint and show that the coding scheme suppresses the deterioration of the control quality and reduces the amount of transmission control data.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless control / data compression / entropy coding / Huffman coding / data rate constraint / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 145, RCC2016-17, pp. 29-34, July 2016.
Paper # RCC2016-17 
Date of Issue 2016-07-13 (RCC) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
and
reproduction
技術研究報告に掲載された論文の著作権はIEICEに帰属します.(許諾番号:10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCC2016-17

Conference Information
Committee RCS RCC ASN NS SR  
Conference Date 2016-07-20 - 2016-07-22 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Distributed Network, M2M: Machine-to-Machine, D2D (Device-to-Device),etc. 
Paper Information
Registration To RCC 
Conference Code 2016-07-RCS-RCC-ASN-NS-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of control quality of wireless feedback control systems with Huffman coding that limits the maximum code length 
Sub Title (in English)  
Keyword(1) wireless control  
Keyword(2) data compression  
Keyword(3) entropy coding  
Keyword(4) Huffman coding  
Keyword(5) data rate constraint  
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1st Author's Name Atsushi Nagata  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Kentaro Kobayashi  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Hiraku Okada  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Masaaki Katayama  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker
Date Time 2016-07-21 09:50:00 
Presentation Time 25 
Registration for RCC 
Paper # IEICE-RCC2016-17 
Volume (vol) IEICE-116 
Number (no) no.145 
Page pp.29-34 
#Pages IEICE-6 
Date of Issue IEICE-RCC-2016-07-13 


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