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Systematic Transmission Method of Industrial IEEE 802.15.4 for Real-time Mixed Traffic  

Kim, Dong-Sung (School of Electronic Eng., Kumoh National Inst. of Tech.)
Lee, Jung-Il (LS Industry Systems)
Publication Information
Abstract
In this paper, dynamic GTS scheduling method based on IEEE 802.15.4 is proposed for wireless control system considering reliability and real-time property. The proposed methods can guarantee a transmission of real-time periodic and sporadic data within the limited time frame in factory environment. The superframe of IEEE 802.15.4 is used for the dynamic transmission method of real-time mixed traffic (periodic data, sporadic data, and non real-time message). By separating CFP and CAP properly, the periodic, sporadic, and non real-time messages are transmitted effectively and guarantee real-time transmission within a deadline. The simulation results show the improvement of real-time performance of periodic and sporadic data at the same time.
Keywords
무선 제어 시스템;실시간 데이터 전송 기법;실시간 혼합 데이터;IEEE 802.15.4 슈퍼프레임;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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