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Paper Abstract and Keywords
Presentation 2017-03-01 10:50
A Study on Retransmission method with Reduction of Latency and High Reliability in LTE-A
Hiroki Ito, Seiichi Sampei (Osaka Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a latency reduction scheme for high reliable and low latency transmission scheme for Long Term Evolution Advanced (LTE-A) systems. In this paper, we considers an access point (AP) covered area in which a controller and controlled machines are allocated. In this case, latency is measured in the round trip time that consists of four links; controlled equipment → base station, base station → control equipment, control equipment → base station and base station → controlled equipment. ACK/NACK detection is done not by the ACK/NACK message but by detecting transferred message by the AP, whether transmission information in the downlink is the same as the previously transmitted information or not. Moreover, to exactly achieve reliable transmission using at most one retransmission, transmit power is controlled in the retransmission process. Computer simulation confirms that the proposed scheme is effective in reducing round trip delay in the machine control systems.
Keyword (in Japanese) (See Japanese page) 
(in English) mission critical IoT / End-to-End latency / ACK/NACK / radio resource management / transmit power control / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 479, RCS2016-293, pp. 25-30, March 2017.
Paper # RCS2016-293 
Date of Issue 2017-02-22 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee RCS SR SRW  
Conference Date 2017-03-01 - 2017-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2017-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Retransmission method with Reduction of Latency and High Reliability in LTE-A 
Sub Title (in English)  
Keyword(1) mission critical IoT  
Keyword(2) End-to-End latency  
Keyword(3) ACK/NACK  
Keyword(4) radio resource management  
Keyword(5) transmit power control  
1st Author's Name Hiroki Ito  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Seiichi Sampei  
2nd Author's Affiliation Osaka University (Osaka Univ.)
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Date Time 2017-03-01 10:50:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2016-293 
Volume (vol) IEICE-116 
Number (no) no.479 
Page pp.25-30 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2017-02-22 

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