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题名: Optimal convergecast scheduling for hierarchical wireless industrial systems: Performance bounds and two-stage algorithms
作者: Zhang XL(张晓玲); Liang W(梁炜); Yu HB(于海斌); Feng XS(封锡盛)
作者部门: 工业控制网络与系统研究室
关键词: Algorithms ; Hierarchical systems ; Process control ; Process monitoring ; Scheduling ; Time division multiple access ; Wireless telecommunication systems
刊名: IET Communications
ISSN号: 1751-8628
出版日期: 2015
卷号: 9, 期号:1, 页码:88-100
收录类别: SCI ; EI
产权排序: 1
摘要: Increased mobility coupled with a possible reduction of cabling costs and deployment time makes wireless communication an attractive alternative for the industrial process monitoring and control. The major obstacles towards the utilisation of wireless industrial systems are predominantly the timing and reliability requirements. In this study, the authors take jointly the timing and reliability requirements, limited wireless resources and the cyclic data feature into consideration, and study the performance bounds and two-stage time- and channel-optimal convergecast scheduling algorithms for wireless industrial systems with hierarchical star and mesh architecture. Specifically, they consider the convergecast communication for wireless industrial systems operating according to the recent wireless network for industrial automation-process automation standard; and they will provide bounds on the minimum convergecast schedule length and bounds on the minimum number of channels for cluster-line and cluster-tree routing structures. In both cases, they propose time- and channel-optimal twostage scheduling algorithms. They evaluate the author's two-stage scheduling algorithms by both simulation and real hardwares. Numerical results demonstrate that their algorithms are efficient compared with traditional time division multiple access-based convergecast scheduling algorithms.
语种: 英语
WOS记录号: WOS:000347318900011
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/15648
Appears in Collections:工业控制网络与系统研究室_期刊论文

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文件名: Optimal convergecast scheduling for hierarchical wireless industrial systems_ Performance bounds and two-stage algorithms.pdf
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