重庆邮电大学工业物联网与网络化控制教育部重点实验室,重庆,400065
网络出版:2018-01-25,
纸质出版:2018
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王恒, 陈鹏飞, 王平. 面向WIA-PA工业无线传感器网络的确定性调度算法[J]. 电子学报, 2018,46(1):68-74.
WANG Heng, CHEN Peng-fei, WANG Ping. Deterministic Scheduling Algorithms for WIA-PA Industrial Wireless Sensor Networks[J]. Acta Electronica Sinica, 2018, 46(1): 68-74.
王恒, 陈鹏飞, 王平. 面向WIA-PA工业无线传感器网络的确定性调度算法[J]. 电子学报, 2018,46(1):68-74. DOI: 10.3969/j.issn.0372-2112.2018.01.010.
WANG Heng, CHEN Peng-fei, WANG Ping. Deterministic Scheduling Algorithms for WIA-PA Industrial Wireless Sensor Networks[J]. Acta Electronica Sinica, 2018, 46(1): 68-74. DOI: 10.3969/j.issn.0372-2112.2018.01.010.
WIA-PA (Wireless Networks for Industrial Automation-Process Automation)是我国自主制定的工业无线传感器网络标准,确定性调度技术是其中一项关键技术.但目前已有的确定性调度算法主要集中在通用传感器网络或WirelessHART,ISA100.11a等遵循国外标准的工业无线传感器网络中,未能针对WIA-PA网络进行优化设计.鉴于此,本文提出了一种适用于WIA-PA网络的基于回溯法的最优确定性调度算法,能够获取调度解的最大成功率;并以此为基础,进一步提出了一种基于最小时间裕度优先的时分多址调度算法(Least Slack First on Time Division Multiple Access,LSF-TDMA).仿真实验结果表明,所提出的LSF-TDMA算法能够满足WIA-PA网络端到端数据传输的确定性需求,在调度解获取成功率接近于最优的同时,有效降低了算法复杂度.
Wireless Networks for Industrial Automation Process Automation (WIA-PA) is China's national standard for industrial wireless sensor networks. Deterministic scheduling is one of the key technologies for WIA-PA networks. However
current deterministic scheduling algorithms mainly focus on the common wireless sensor networks or WirelessHART and ISA100.11a networks
and they are not optimized for WIA-PA networks. Therefore
an optimal backtracking scheduling algorithm is proposed and achieves the optimal schedulable ratio for WIA-PA networks. And based on this
another deterministic scheduling algorithm called Least Slack First on Time Division Multiple Access (LSF-TDMA) is further presented. Simulation results demonstrate that LSF-TDMA algorithm can meet the deterministic demand of end-to-end data transmissions in WIA-PA networks. It obtains a near-optimal schedulable ratio while effectively reducing the algorithm complexity.
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