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Alternative TitleAsynchronous multi-channel industrial wireless network scheduling method for emergency data
张晓玲; 梁炜; 杨莉
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002


Other Abstract

The invention relates to an industrial wireless sensor network technology, in particular, an asynchronous multi-channel industrial wireless network scheduling method for emergency data. According to the method of the invention, according to the characteristics of emergency data in an industrial wireless network, the method is suitable for two kinds of typical industrial emergency data; based on a special channel and a priority indication method, emergency data can be fast switched to the special channel so as to be transmitted in real time, and at the same time, non-emergency data are allowed to adopt a backoff mechanism based on priority indication marks to occupy channels, and therefore, the utilization rate of the special channel can be ensured; and a receiving end-based strategy is adopted, so that the problem of control channel saturation in asynchronous multi-channel scheduling can be solved. The method is not only applicable to unicast communication, but also applicable to broadcast communication. The method of the invention is put forwards based on full consideration of the characteristics of the industrial wireless network in industrial automated application. With the method adopted, the low latency and high reliable transmission of the emergency data can be ensured, the throughput of the network can be improved, and therefore, the real-time performance and scale of the network can be improved.

PCT Attributes
Application Date2014-10-20
Date Available2018-12-07
Application NumberCN201410561546.4
Open (Notice) NumberCN105592562A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
张晓玲,梁炜,杨莉. 一种面向紧急数据的异步多信道工业无线网络调度方法[P]. 2016-05-18.
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