Performance study of localization techniques: hybrid vs. non hybrid TDOA/DOA

In this paper, we compare the performance of a non-collaborative hybrid TDoA/DoA radiolocalization approach with a non hybrid approach. Through numerical simulations we analyze the behavior of the algorithms varying different parameters of the scenario including the SNR, the number of active/inactive nodes, the capabilities of the sensor nodes and their geometrical distribution around a fixed position of the target nodes. It was observed that in some scenarios the DoA only or TDoA only approach outperforms the hybrid approach. Also, increasing the number of sensors does not allways provides a better behavior of the algorithm in terms of reducing the mean square error.

[1]  Comparison of Time-Difference-of-Arrival and Angle-of-Arrival Methods of Signal Geolocation , 2011 .

[2]  Jun Chen,et al.  High-resolution hybrid localization in passive wireless sensor nets , 2010, 2010 25th Biennial Symposium on Communications.

[3]  James J. Caffery,et al.  Wireless Location in CDMA Cellular Radio Systems , 1999 .

[4]  Mourad Oussalah,et al.  TDOA Wireless Localization Comparison Influence of Network Topology , 2014 .

[5]  A. Roxin,et al.  Survey of Wireless Geolocation Techniques , 2007, 2007 IEEE Globecom Workshops.

[6]  Cristina Gómez,et al.  From theory to practice: Implementations issues for techniques based on AoA and TDoA , 2016, 2016 8th Euro American Conference on Telematics and Information Systems (EATIS).

[7]  Gérard Lachapelle,et al.  An enhanced two-step least squared approach for TDOA/AOA wireless location , 2003, IEEE International Conference on Communications, 2003. ICC '03..

[8]  R. Michael Buehrer,et al.  Handbook of Position Location: Theory, Practice and Advances , 2011 .

[9]  Gérard Lachapelle,et al.  Practical Results of Hybrid AOA/TDOA Geo-Location Estimation in CDMA Wireless Networks , 2008, 2008 IEEE 68th Vehicular Technology Conference.

[10]  Jun Chen,et al.  A Hybrid Framework for Radio Localization in Broadband Wireless Systems , 2010, 2010 IEEE Global Telecommunications Conference GLOBECOM 2010.

[11]  Jonathan Bosse,et al.  A low-cost AOA-TDOA approach for blind geolocation in multi-paths context , 2010, 2010 18th European Signal Processing Conference.

[12]  Chin-Der Wann,et al.  Hybrid TDOA/AOA Indoor Positioning and Tracking Using Extended Kalman Filters , 2006, 2006 IEEE 63rd Vehicular Technology Conference.