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Paper Abstract and Keywords
Presentation 2018-07-06 13:50
Optimal transfer schedule in a tandemly-connected sensor network with heterogeneous transmission rates
Ryota Kimura, Masato Tsuru (Kyutech) ICM2018-23
Abstract (in Japanese) (See Japanese page) 
(in English) As a sensor network to monitor a large elongated area, a multi-hop wireless network model is considered in which relay nodes accommodating sensors are arranged in tandem and connected by simple wireless links, and deliver the sensor data to gateways at both ends of the line. The gateways can reliably send the data to a server using an infrastructure. In such environments, since packet losses often happen due to an attenuation/fading on each link and an interference among links, an unscheduled packet forwarding is inefficient and the success ratio of packet delivery to the server is low. In our previous report, we proposed a packet transfer scheduling consisting of a slot allocation based on node positions and link loss rates, which maximizes the uccess delivery ratio of all sensor data when using planned retransmissions without ACK against packet losses, and a forwarding packet selection based on FEC, but it is only for homogeneous links with the same transmission rate. Therefore, in this report, we propose an enhance version of the packet transfer scheduling to adapt to heterogeneous links
not only with different physical transmission rates but with variable effective transmission rates depending on interferences. Simulations reflecting realistic wireless communications were conducted for evaluation, and have shown the usefulness of our proposal and some issues to be solved as well.
Keyword (in Japanese) (See Japanese page) 
(in English) Multi-hop wireless communications / packet transfer scheduling / link transmission rate / packet loss rate / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 118, ICM2018-23, pp. 71-76, July 2018.
Paper # ICM2018-23 
Date of Issue 2018-06-28 (ICM) 
ISSN Online edition: ISSN 2432-6380
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Conference Information
Committee ICM  
Conference Date 2018-07-05 - 2018-07-06 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To ICM 
Conference Code 2018-07-ICM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optimal transfer schedule in a tandemly-connected sensor network with heterogeneous transmission rates 
Sub Title (in English)  
Keyword(1) Multi-hop wireless communications  
Keyword(2) packet transfer scheduling  
Keyword(3) link transmission rate  
Keyword(4) packet loss rate  
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1st Author's Name Ryota Kimura  
1st Author's Affiliation Kyushu Institute of Technology (Kyutech)
2nd Author's Name Masato Tsuru  
2nd Author's Affiliation Kyushu Institute of Technology (Kyutech)
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Speaker Author-1 
Date Time 2018-07-06 13:50:00 
Presentation Time 25 minutes 
Registration for ICM 
Paper # ICM2018-23 
Volume (vol) vol.118 
Number (no) no.118 
Page pp.71-76 
#Pages
Date of Issue 2018-06-28 (ICM) 


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