全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电网技术  2014 

基于RSSI技术提高直流线路电场测量无线网络节点定位精度的算法

DOI: 10.13335/j.1000-3673.pst.2014.06.035, PP. 1644-1649

Keywords: 直流输电线路,电场测量,无线传感器网络,接收信号强度,路径衰减指数

Full-Text   Cite this paper   Add to My Lib

Abstract:

在基于无线传感器网络的直流线路合成电场测量系统中,传感器节点位置的自动获取可以有效地减少测量工作量,提高测试效率。传统的接收信号强度(receivedsignalstrengthindicator,RSSI)定位方法利用经验值选取路径衰减指数,易导致定位误差较大。为提高传感器节点的定位精度,提出一种实时估计路径衰减指数的定位方法。该方法利用参考节点间距离和未知节点收到的RSSI值来实时估计路径衰减指数,并利用它来估算距离,从而减小定位误差,提高算法对不同环境的适应性。实验结果表明,在公园草坪、学校操场以及特高压直流试验基地直流试验线段电磁环境测试场3种典型的电场测量环境下,该算法的定位精度均较其他RSSI算法高。

References

[1]  Sugano M,Kawazoe T,Ohta Y,et al.Indoor localization system using RSSI measurement of wireless sensor network based on ZigBee standard[C]//The IASTED International Conference on Wireless Sensor Networks.Banff,Canada,2006:1-6.
[2]  Jiang J,Zheng X,Chen Y,et al.A distributed RSS-based localization using a dynamic circle expanding mechanism[J].IEEE Sensors Journal,2013,13(10):3754-3766.
[3]  刘广怡.基于 RSSI 的传感器网络定位技术研究与实现[D].郑州:解放军信息工程大学,2009.
[4]  乔钢柱,曾建潮.一种适用于动态环境的改进RSSI定位方法[J].计算机研究与发展,2010,47(增刊):111-114. Qiao Gangzhu,Zeng Jianchao.An improved RSSI localization method suitable for dynamic environments[J].Journal of Computer Research and Development,2010,47(suppl.):111-114.
[5]  Ahn H S,Yu W.Environmental-adaptive RSSI-based indoor localization[J].IEEE Trans on Automation Science and Engineering,2009,6(4):626-633.
[6]  Rappaport T S.Wireless communications[M].IEEE Press:Principles and Practice, 1996:26-46.
[7]  严守道,袁海文,陆家榆,等.复杂环境下地面合成电场测量系统的研究[J].电网技术,2013,37(1):183-189. Yan Shoudao,Yuan Haiwen,Lu Jiayu,et al.Research of measuring system for total electric field at ground level in complicated environment[J].Power System Technology,2013,37(1):183-189(in Chinese).
[8]  Digi International Inc.Product manual: XBee/XBee-PRO DigiMesh 2.4 RF Modules [EB/OL].Minnetonka,Minnesota:Digi International Inc,2008[2014-02-24].http://ftp1.digi.com/ support/documentation/ 90000991_E.pdf.
[9]  曾倩,袁海文,陆家榆,等.基于无线传感器网络的特高压直流输电线路合成电场智能监测系统研究[J].电网技术,2012,36(4):10-15. Zeng Qian,Yuan Haiwen,Lu Jiayu,et al.Intelligent monitoring system of total electric field under UHVDC transmission line based on wireless sensor network[J].Power System Technology,2012,36(4):10-15(in Chinese).
[10]  吕应明,袁海文,陆家榆,等.直流输电线路下地面合成电场的无线同步测量系统研究[J].电网技术,2012,36(1):189-195. Lü Yingming,Yuan Haiwen,Lu Jiayu,et al.Research on wireless synchronous measurement system for total ground electric field under HVDC transmission lines[J].Power System Technology,2012,36(1):189-195(in Chinese).
[11]  刘振亚.特高压直流输电工程电磁环境[M].北京:中国电力出版社,2009:1-2.
[12]  张文亮,陆家榆,鞠勇,等.±800 kV直流输电线路的导线选型[J].中国电机工程学报,2007,27(27):1-6. Zhang Wenliang,Lu Jiayu,Ju Yong,et al.Design consideration of conductor bundles of ±800 kV DC transmission lines[J].Proceedings of the CSEE,2007,27(27):1-6(in Chinese).
[13]  Zhang Q,Foh C H,Seet B C,et al.Variable elasticity spring-relaxation:improving the accuracy of localization for WSNs with unknown path loss exponent[J].Personal and Ubiquitous Computing,2012,16(7):929-941.
[14]  Moore D,Leonard J,Rus D,et al.Robust distributed network localization with noisy range measurements[C]//Proceedings of the 2nd International Conference on Embedded Networked Sensor Systems.Baltimore,USA,2004:50-61.
[15]  Tufan C,Karalar S,Yama S,et al.A low power localization architecture and system for wireless sensor networks[C]//IEEE Workshop on Signal Processing Systems..Texas,USA,2004:89-94.
[16]  Jeffrey H,Gaetano B,Roy W.Spot-on:an indoor 3D location sensing technology based on RF signal strength[R].Seattle:University of Washington,2000.
[17]  沈军,黄春华,付新华.基于RSSI测距误差修正的改进型DV-distance差分定位算法[J].计算机应用研究.2012,29(5):1873-1876. Shen Jun,Huang Chunhua,Fu Xinhua.Improved DV-distance difference localization algorithm base on RSSI ranging error correction[J].Application Research of Computers,2012,29(5):1873-1876.
[18]  Shi Q,He C.A SDP approach for range-free localization in wireless sensor networks[C]// IEEE International Conference on Communications.Beijing,China,IEEE,2008:4214-4218.
[19]  Wang J,Prasad R V,An X,et al.A study on wireless sensor network based indoor positioning systems for context‐aware applications[J].Wireless Communications and Mobile Computing,2012,12(1):53-70.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133