DocumentCode :
3543094
Title :
Research on deterministic communication of industrial wireless based on WLAN
Author :
Zheng, Yangbo ; Xu, Aidong ; Song, Yan ; Zhao, Wei ; Liu, Mingzhe
Author_Institution :
Shenyang Inst. of Autom., Chinese Acad. of Sci., Shenyang, China
fYear :
2009
fDate :
16-19 Aug. 2009
Abstract :
The shortages of WLAN applied to the field of industrial control are given by analyzing the communication mechanism of WLAN. In this article, it presents a new communication method with deterministic scheduler in order to satisfy requirement of industrial wireless communication. It selects beacon interval as communication macro cycle, and pre-selects a station as the coordinated station that is responsible for the maintenance accurate clock synchronization function within the BSA. In data link layer, packets from user layer are divided into periodic packets and non-periodic packets. In terms of devices configured information beforehand, the periodic packets would be sent by fixed time clock, while the non-periodic packets would be sent when it is polled by the coordinated station, herein, we selected polling algorithm with good performance in the aspect of adaptive. This is called deterministic scheduling. The deterministic scheduling mechanism put forward in this paper provides foundation for applying WLAN to the field of industrial control, and its deterministic communication methods is compatible with other commercial WLAN well.
Keywords :
industrial control; production engineering computing; scheduling; wireless LAN; WLAN; basic service area; clock synchronization function; data link layer; deterministic communication; deterministic scheduler; deterministic scheduling mechanism; industrial control; industrial wireless communication; polling algorithm; Clocks; Communication industry; Communication system control; Delay; Industrial control; Job shop scheduling; Mobile communication; Peer to peer computing; Wireless LAN; Wireless communication; Determinative Scheduling; Industrial Communication; WLAN;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Electronic Measurement & Instruments, 2009. ICEMI '09. 9th International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-3863-1
Electronic_ISBN :
978-1-4244-3864-8
Type :
conf
DOI :
10.1109/ICEMI.2009.5274339
Filename :
5274339
Link To Document :
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