Picture of Marzieh Dashti

Marzieh Dashti

Dublin, Ireland
Member of Technical Staff


  • PhD: Wireless Telecommunication Engineering (Oct. 2007- Dec 2011), Tokyo Institute of Technology, Tokyo, Japan.
  • Research Diploma: Telecommunication engineering,  Tokyo Institute of Technology, (Oct. 2006- Sep. 2007)
  • M.S. : Telecommunication engineering (Oct. 2004- Jan 2007), Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran.
  • B.S. : Electrical- Electronic Engineering (Oct. 1998- March 2003), Department of Electrical Engineering, K.N. Toosi University of Technology, Tehran, Iran.



Marzieh Dashti joined Bell Laboratories, Alcatel-Lucent  in November 2013 as a Member of Technical Staff.  She is leading the "Localization" work in Small Cells Research department at Bell Labs, Ireland. Prior to this,  she was Marie-Curie postdoctoral researcher in the wireless communications group at the University of Sheffield, UK (June 2012-Oct 2013). From Jan 2011 to May 2012, She worked as research engineer at Personal Positioning Algorithms Research group at Tampere University of Technology and Nokia research center, Tampere, Finland. Marzieh received PhD and MSc degrees in telecommunications engineering, respectively from Tokyo Institute of Technology, Japan, in December 2011 and Amirkabir University of Technology, Iran, in 2007. She also worked as visiting research student  at Aalto University School of science and Technology (TKK), Helsinki, Finland, in 2009.   Her research interests are positioning of wireless nodes/objects, signal processing for wireless positioning, WLAN-based indoor localization, and location-based services.


Professional Activities

  • Member of Technical staff, Wireless Department (Nov 2013- present)
    • Bell Laboratories, Alcatel-Lucent
  • Marie Curie Postdoctoral Research Fellow in Wireless Communications  (June 2012- Oct 2013)
  • Research Engineer (Jan 2011- May 2012)
    • Personal positioning algorithms research group, Tampere University of Technology, Tampere, Finland
    • Industrial project funded by Nokia:  Developing/testing/specifying WLAN and cellular positioning algorithms, Preparing internal implementation specification document.
  • Visiting researcher (July 2009- June 2010)
    • Department of Radio Science and Engineering, Aalto University School of science and Technology (TKK), Helsinki, Finland.  
    • Joint research project between Tokyo Tech and TKK, “Investigate the impact of antenna pattern on position estimate using spherical wave expansion theory”.


Selected Articles and Publications

  1. Rahman, A., Amiruddin, M., Dashti, M., & Zhang, J. (2014, April). Floor Determination for Positioning in Multi-story Building. IEEE WCNC.

  2. Liu, Y., Dashti, M., & Zhang, J. (2014, March). Indoor Localization using Smartphone Inertial Sensors. In Positioning Navigation and Communication (WPNC), 2014 11th Workshop on. IEEE.

  3. Liu, Y., Dashti, M., & Zhang, J. (2013, March). Indoor localization on mobile phone platforms using embedded inertial sensors. In Positioning Navigation and Communication (WPNC), 2013 10th Workshop on (pp. 1-5). IEEE.

  4. Rahman, A., Amiruddin, M., Dashti, M., & Zhang, J. (2013, June). Localization of unknown indoor wireless transmitter. In Localization and GNSS (ICL-GNSS), 2013 International Conference on (pp. 1-6). IEEE.

  5. K. Haneda, A. Khatun, M. Dashti, J. Takada, T. Laitinen, P. Vainikainen, “Measurement-Based Analysis of Spatial Degrees-of-Freedom in Multipath Propagation Channels,” Antennas and Propagation, IEEE Transactions on, 61(2), 890-900.
  6. M. Dashti, M. Ghoraishi, K. Haneda, K. Takizawa, J. Takada, "Optimum Threshold for Indoor UWB ToA-based Ranging," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Science, Vol.E94-A, No.10, pp.2002-2012, Published on Oct. 2011
  7. Matti Raitoharju, M. Dashti, S. Ali-Löytty, R. Piché, "Positioning with Multilevel Coverage Area Models," 2012 International Conference on Indoor Positioning and Indoor Navigation, 13-15th November 2012.
  8. Dashti, M.; Ali-Loytty, S.; Wirola, L.; Muller, P.; Nurminen, H.; Piche, R.; , "Robust Kalman Filter for Positioning with Wireless BS Coverage Area," Positioning Navigation and Communication (WPNC), 2012 9th Workshop on , vol., no., pp.83-88, 15-16 March 2012, Best award paper, (Dresden, Germany).
  9. Muller, P.; Ali-Loytty, S.; Dashti, M.; Nurminen, H.; Piche, R.; ,  “Gaussian Mixture Filter Allowing Negative Weights and its Application to Positioning Using Signal Strength Measurements,”  Positioning Navigation and Communication (WPNC), 2012 9th Workshop on , vol., no., pp.71-76, 15-16 March 2012,  (Dresden, Germany).  
  10. Dashti, M.; Khatun, A.; Laitinen, T.; Haneda, K.; Takada, J.; Vainikainen, P.; , " Impact of Antenna Pattern on UWB Time-Based Ranging ," Antennas and Propagation (EUCAP), Proceedings of the 5th European Conference on , vol., no., pp.2661-2665, 11-15 April 2011, (Rome, Italy), Invited paper.
  11. Dashti, M.; Khatun, A.; Laitinen, T.; Azremi, A.A.H.; Haneda, K.; Ghoraishi, M.; Takada, J.-i.; , " UWB Ranging with Antenna Proximity to the Human Head ," Microwave Conference Proceedings (APMC), 2010 Asia-Pacific , vol., no., pp.2115-2118, 7-10 Dec. 2010, (Yokohama, Japan).
  12. Dashti, M.; Ghoraishi, M.; Haneda, K.; Takada, J.; , " Sources of ToA estimation error in LoS scenario, " Ultra-Wideband (ICUWB), 2010 IEEE International Conference on , vol.2, no., pp.1-4, 20-23 Sept. 2010, (Nanjing, China).
  13. Dashti, Marzieh; Laitinen, Tommi; Ghoraishi, Mir; Haneda, Katsuyuki; Toivanen, Juha; Takada, Jun-ichi; Vainikainen, Pertti; , "Antenna radiation pattern influence on UWB ranging accuracy," Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on , vol., no., pp.1-5, 12-16 April 2010, (Barcelona, Spain).
  14. Dashti, M.; Ghoraishi, M.; Takada, J.-i.; , " Optimum Threshold for Ranging Based on ToA Estimation Error Analysis, " Personal, Indoor and Mobile Radio Communications, 2009 IEEE 20th International Symposium on , vol., no., pp.988-992, 13-16 Sept. 2009, (Tokyo, Japan).
  15. Haneda, K.; Takizawa, K.-i.; Takada, J.-i.; Dashti, M.; Vainikainen, P.; , "Performance evaluation of threshold-based UWB ranging methods - Leading edge vs. search back -," Antennas and Propagation, 2009. EuCAP 2009. 3rd European Conference on , vol., no., pp.3673-3677, 23-27 March 2009.

Books and Chapters

  1. M. Dashti, M. Ghoraishi, K.Haneda, J. Takada, “ High-Precision Time-of-Arrival Estimation for UWB Localizers in Indoor Multipath Channels”, Chapter 19 of "Ultra Wideband Communications: Novel Trends / Book 1", pp. 397-422, ISBN 978-953-307-200-5, InTech Publisher, August 2011.