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http://dx.doi.org/10.9717/kmms.2015.18.1.025

Design and Implementation of Electronic Shelf Label System using Technique of Reliable Image Transmission  

Yang, Eun-Ju (Center for Embedded Software Technology)
Jung, Seung Wan (IT Engineering, Kyungpook National University)
Yoo, Geel-Sang (Center for Embedded Software Technology)
Kim, Jungjoon (IT Engineering, Kyungpook National University)
Seo, Dae-Wha (Center for Embedded Software Technology)
Publication Information
Journal of Korea Multimedia Society / v.18, no.1, 2015 , pp. 25-34 More about this Journal
Abstract
Recently, in distribution market, demand for electronic shelf label system is increasing gradually to provide the accurate price immediately and detailed product information to consumers and reduce operation costs. Most of electronic shelf label system companies develop the full-graphic display device to display a wide variety of product information as well as the exact price. Our system had introduced Go-Back-N retransmission method in the early. However, we encountered performance problems that it delayed updating of the electronic shelf label system and exhausted the battery life time. Proposed adaptive image retransmission technique based on the selective scheme is that tags of electronic shelf label system recognize idle time of transmission cycle and require partial image retransmission to sever by itself. As a result, it can acquire much more opportunities of partial image retransmission within the same period and increase reception rate of full image for each tags. The experimental result shows that adaptive image retransmission technique's reception rate of full image for each tags is approximately 4% higher than existing previous works. And total battery life time increases 30 hours because tag reduce wake-up time as it receive only lost data instead of whole data.
Keywords
Image Transmission; Electronic Labeling System; IEEE 802.15.4;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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