kumoh national institute of technology
Networked Systems Lab.

양웨이, 김동성 "실시간 통신망 내 ISA100.11a를 위한 메시지 스케쥴링 기법 연구", 2013년도 한국신호처리 및 시스템학회 추계학술대회 (N1) pp. 339 - 342, 2013. (N1)
By : 관리자
Date : 2013-12-09
Views : 1154

Abstract: This paper proposes message scheduling on dedicated time slot of ISA100.11a to satisfy real time property. In this paper, a superframe is designed to accommodate periodic real time (PRT) message, aperiodic real time (alarm) message, and non real time (NRT) message. To do so, a superframe is divided into dedicated time slot (DTS) which is used to send PRT messages and shared time slot (STS) which is used to send alarm and NRT messages. Then, the schedulability of all PRT messages in the network is analyzed and clustered into low traffic scheduling and high traffic scheduling. The results show that this proposed method is feasible to map PRT messages into superframe and multi-superframe. As a result, PRT messages can be delivered within the deadline. Finally, real time and reliable wireless networked control system can be achieved by applying this proposed method.

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