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Adaptive and reliable transmission scheduling with low-cost estimation of channel states
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
会议名称2012 IEEE International Conference on Information and Automation, ICIA 2012
会议日期June 6, 2012 - June 8, 2012
会议地点Shenyang, China
会议录名称2012 IEEE International Conference on Information and Automation, ICIA 2012
出版者IEEE Computer Society
出版地Washington, DC
2012
页码474-481
收录类别EI ; CPCI(ISTP)
EI收录号20123915478395
WOS记录号WOS:000318899300085
产权排序1
ISBN号978-1-4673-2238-6
关键词Computer Simulation Cost Estimating Electric Power Transmission Optimization Reliability Wireless Sensor Networks
摘要An adaptive and reliable transmission scheduling algorithm for wireless sensor networks based on the low-cost estimation of channel states is proposed to jointly optimize the superframe length and reliability. We establish a hierarchical scheduling framework, which includes a global centralized timeslot scheduling (GCTS) and a local distributed channel scheduling (LDCS). On one hand, GCTS aims to guarantee the global optimality of timeslot allocation, during which a mathematical reliability model is built to avoid the resource waste and to improve the transmission reliability. On the other hand, LDCS allocates channel resource according to actual electromagnetism environment. During LDCS, the channel model is established by the dynamic programming method and takes both probing cost and channel quality into consideration, which alleviates the uncertain and time-varying interference and overcomes the blindness of traditional methods. In contrast with previous works that do not consider link reliability and channel probing cost and often assume two channel states, our scheduling algorithm performs reliably for arbitrary number of channels and arbitrary number of channel states. Extensive simulations under a variety of network environments have been conducted to validate our theoretical claims. © 2012 IEEE.
语种英语
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文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/9892
专题工业控制网络与系统研究室
通讯作者Zhang XL(张晓玲)
作者单位Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, Liaoning Province, China
推荐引用方式
GB/T 7714
Zhang XL,Liang W,Yu HB,et al. Adaptive and reliable transmission scheduling with low-cost estimation of channel states[C]. Washington, DC:IEEE Computer Society,2012:474-481.
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