Differential received signal strength indicator (DRSSI), in which two separate received signal strength indicator (RSSI) measurements are used to localize an radio frequency (RF) source with unknown transmitted power, has been proposed to eliminate the need for estimating the strength of the transmitted signal in localization. In this paper, the problem of choosing the best pair of measurements, which can lead to close-to-minimum localization error based on Cramer–Rao lower bound (CRLB) analysis, is addressed. The analysis shows that the root mean squared error (RMSE) of localization decreases monotonically with the increase of the angle between two pairing measurements, with respect to the target, up to 180 deg. In other words, it is shown that the best pair of measurements consists of the measurement points which are inline with the target opposing each other. The second best pairing angle is near 135 deg with respect to the target. To practically show the importance of this analysis, several Monte Carlo simulation scenarios were conducted which show that the RMSE of localization would be close-to-minimum using the proposed analysis.
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November 2015
Technical Briefs
Pair Selection Analysis in Differential RSSI Based Localization
S. M. Mehdi Dehghan,
S. M. Mehdi Dehghan
Advanced Robotics and Intelligent Systems Laboratory, CIPC,
School of Electrical and Computer Engineering,
University of Tehran,
Tehran 14395-515, Iran
e-mail: smm.dehghan@ut.ac.ir
School of Electrical and Computer Engineering,
University of Tehran,
Tehran 14395-515, Iran
e-mail: smm.dehghan@ut.ac.ir
Search for other works by this author on:
Hadi Moradi,
Hadi Moradi
Advanced Robotics and Intelligent Systems Laboratory, CIPC,
School of Electrical and Computer Engineering,
University of Tehran,
Tehran 14395-515, Iran;
School of Electrical and Computer Engineering,
University of Tehran,
Tehran 14395-515, Iran;
Intelligent Systems Research Institute,
Sungkyunkwan University,
Suwon, Gyeonggi-do 440-746, South Korea
e-mail: moradih@ut.ac.ir
Sungkyunkwan University,
Suwon, Gyeonggi-do 440-746, South Korea
e-mail: moradih@ut.ac.ir
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S. A. Asghar Shahidian
S. A. Asghar Shahidian
Department of Electrical and Computer Engineering,
Semnan University,
Semnan 35131-19111, Iran
e-mail: SAA_Shahidian@Semnan.ac.ir
Semnan University,
Semnan 35131-19111, Iran
e-mail: SAA_Shahidian@Semnan.ac.ir
Search for other works by this author on:
S. M. Mehdi Dehghan
Advanced Robotics and Intelligent Systems Laboratory, CIPC,
School of Electrical and Computer Engineering,
University of Tehran,
Tehran 14395-515, Iran
e-mail: smm.dehghan@ut.ac.ir
School of Electrical and Computer Engineering,
University of Tehran,
Tehran 14395-515, Iran
e-mail: smm.dehghan@ut.ac.ir
Hadi Moradi
Advanced Robotics and Intelligent Systems Laboratory, CIPC,
School of Electrical and Computer Engineering,
University of Tehran,
Tehran 14395-515, Iran;
School of Electrical and Computer Engineering,
University of Tehran,
Tehran 14395-515, Iran;
Intelligent Systems Research Institute,
Sungkyunkwan University,
Suwon, Gyeonggi-do 440-746, South Korea
e-mail: moradih@ut.ac.ir
Sungkyunkwan University,
Suwon, Gyeonggi-do 440-746, South Korea
e-mail: moradih@ut.ac.ir
S. A. Asghar Shahidian
Department of Electrical and Computer Engineering,
Semnan University,
Semnan 35131-19111, Iran
e-mail: SAA_Shahidian@Semnan.ac.ir
Semnan University,
Semnan 35131-19111, Iran
e-mail: SAA_Shahidian@Semnan.ac.ir
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received October 2, 2014; final manuscript received June 12, 2015; published online August 14, 2015. Assoc. Editor: Jwu-Sheng Hu.
J. Dyn. Sys., Meas., Control. Nov 2015, 137(11): 114502 (5 pages)
Published Online: August 14, 2015
Article history
Received:
October 2, 2014
Revision Received:
June 12, 2015
Citation
Mehdi Dehghan, S. M., Moradi, H., and Asghar Shahidian, S. A. (August 14, 2015). "Pair Selection Analysis in Differential RSSI Based Localization." ASME. J. Dyn. Sys., Meas., Control. November 2015; 137(11): 114502. https://doi.org/10.1115/1.4031046
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