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http://dx.doi.org/10.7840/KICS.2011.36B.2.148

Asynchronous Message Delivery among Mobile Sensor Nodes in Stationary Sensor Node based Real-Time Location Systems  

Kim, Woo-Jung (경북대학교 전자전기컴퓨터학부 실시간시스템 연구실)
Jeong, Seol-Young (경북대학교 전자전기컴퓨터학부 실시간시스템 연구실)
Kim, Tae-Hyon (경북대학교 전자전기컴퓨터학부 실시간시스템 연구실)
Kang, Soon-Ju (경북대학교 전자전기컴퓨터학부 실시간시스템 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.36, no.2B, 2011 , pp. 148-158 More about this Journal
Abstract
Stationary nodes and mobile nodes co-exist wireless sensor network(WSN) can provide variety of new services. The stationary sensor node acts not only the gathering the environmental sensing data but also a access point to bidirectional communication with numerous mobile sensor nodes(mobile node), and the mobile sensor nodes are installed inside mobile objects and identify the location in real-time and monitor the internal status of the object. However, only using the legacy WSN protocol, it is impossible to set up the stable network due to the several reasons caused by the free-mobility of the mobile nodes. In this paper, we suggest three methods to increase the hit-ratio of the asynchronous message delivery(AMD) among mobile nodes. We verified the performance of the suggested methods under the stationary-mobile co-existed WSN testbed.
Keywords
Asynchronous Message Delivery; Wireless Sensor Networks; IEEE 802.15.4 MAC; Real-Time Location System;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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