SIA OpenIR  > 工业控制网络与系统研究室
 无线传感器网络低功耗穿级采样算法 Alternative Title Level crossing sampling algorithm for energy conservation in WSNs 汪扬; 曾鹏; 张琼; 王秋石; 于海斌 Department 工业控制网络与系统研究室 Source Publication 仪器仪表学报 ISSN 0254-3087 2012 Volume 33Issue:5Pages:1070-1077 Indexed By EI ; CSCD EI Accession number 20122815234061 CSCD ID CSCD:4539205 Contribution Rank 1 Funding Organization 国家自然科学基金(60704046,60725312,60804067); 国家科技重大专项基金(2010ZX03006-005-01); 973计划前期研究专项课题(2010CB334705); 中国科学院知识创新工程重要方向性项目(KGCX2-EW-104,KGCX2-YW-126)资助 Keyword 无线传感器网络 穿级采样 Markov链 U-law解码算法 数据恢复 Abstract 提出了一种对于无线传感器网络中的应用层数据进行非周期性穿级采样算法;该算法着重考虑在满足误差容限的基础上,有效降低数据的发送次数,以达到降低能耗的目的。运用Markov链权衡数据率和丢包率,以确定对信号区间进行层级划分的门限区间;以此为基础,对信号区间可分配为以均匀分布和以u-law算法实现的非均匀分布的层级。考虑丢包对于穿级采样的影响,提出了穿级采样中丢失数据的有限恢复算法。通过变电站带电场景对于3组共45个节点的物理测试,分析了穿级采样算法的可靠性和能耗,验证了该种采样算法的可用性。 Other Abstract A novel aperiodic level crossing sampling(LCS) algorithm is proposed for the application-layer data of wireless sensor networks(WSNs).The level crossing sampling algorithm is used for energy conservation in WSNs,and it can decrease the times of data transmission and maintain data accuracy.The Markov chain is creatively used to balance the data transmission rate and packet loss rate,and decide the threshold interval for the level partitioning in the level crossing sampling.Two versions of level quantization,which are respectively uniformly distributed quantization and non-uniformly distributed quantization with u-law,are introduced.A limited data recovery algorithm for LCS is suggested to deal with the effect of packet loss on LCS.3 groups of total 45 nodes in an experimental scenario of transformer substation were tested,and the working reliability and energy consumption were analyzed,which verifies the availability of the level crossing sampling. 更多 Language 中文 Citation statistics Document Type 期刊论文 Identifier http://ir.sia.cn/handle/173321/10082 Collection 工业控制网络与系统研究室 Corresponding Author 汪扬 Affiliation 1.中国科学院沈阳自动化研究所2.辽宁石油化工大学机械工程学院3.中国科学院研究生院 Recommended CitationGB/T 7714 汪扬,曾鹏,张琼,等. 无线传感器网络低功耗穿级采样算法[J]. 仪器仪表学报,2012,33(5):1070-1077. APA 汪扬,曾鹏,张琼,王秋石,&于海斌.(2012).无线传感器网络低功耗穿级采样算法.仪器仪表学报,33(5),1070-1077. MLA 汪扬,et al."无线传感器网络低功耗穿级采样算法".仪器仪表学报 33.5(2012):1070-1077.
 Files in This Item: File Name/Size DocType Version Access License 无线传感器网络低功耗穿级采样算法.pdf（930KB） 期刊论文 作者接受稿 开放获取 ODC PDDL View Application Full Text
 Related Services Recommend this item Bookmark Usage statistics Export to Endnote Google Scholar Similar articles in Google Scholar [汪扬]'s Articles [曾鹏]'s Articles [张琼]'s Articles Baidu academic Similar articles in Baidu academic [汪扬]'s Articles [曾鹏]'s Articles [张琼]'s Articles Bing Scholar Similar articles in Bing Scholar [汪扬]'s Articles [曾鹏]'s Articles [张琼]'s Articles Terms of Use No data! Social Bookmark/Share
 File name: 无线传感器网络低功耗穿级采样算法.pdf Format: Adobe PDF