Evaluation of assisted GPS (AGPS) in weak signal environments using a hardware simulator

Proceedings of the 17th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2004

Volumn , Issue , 2004, Pages 2416-2426

  Karunanayake, M Dharshaka ^a   Cannon, M Elizabeth ^a   Lachapelle, Gérard ^a   Cox, Geoffrey ^b  

^a UNIVERSITY OF CALGARY   (Canada)

^b SiRF Technology Inc

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER HARDWARE; DATA ACQUISITION; SIGNAL PROCESSING; SIGNAL RECEIVERS; SIMULATORS; WIRELESS TELECOMMUNICATION SYSTEMS;

AGPS RECEIVERS; HARDWARE SIMULATORS; SIGNAL ENVIRONMENT; TIME-TO-FIRST-FIX (TTFF);

GLOBAL POSITIONING SYSTEM;

EID: 22144471579     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (17)

1. Biacs, B., G. Marshall, M. Moeglein and W. Riley (2002), The Qualcomm/SnapTrack Wireless-Assisted GPS Hybrid Positioning System and Results from Initial Commercial Deployments, Proceedings of ION GPS 2002, Portland, OR, September 24-27, pp. 378-384.
2. Boulton, P. (2002), GSS6550 Multi-Channel GPS/SBAS Simulator Product Specification, Issue 1.00, May 21.
3. Chansarkar, M. and L. Garin (2000), Acquisition of GPS Signals at Very Low Signal to Noise Ratio, Proceedings of ION NTM 2000, Anaheim, CA, January 26-28, pp. 731-737.
4. FCC (2000), Federal Communications Commission, USA, OET BULLETIN No. 71, Guidelines for Testing and Verifying the Accuracy of Wireless E911 Location Systems http://www.fcc.gov/oet/info/documents/bulletins/
5. Garin, L. J., M. Chansarkar, S. Miocinovic, C. Norman and Hilgenberg (1999), Wireless Assisted GPS-SiRF Architecture and Field Test Results, Proceedings of ION GPS 1999, Nashville, TN, September 14-17, pp. 489-497
6. Garin, L. J., M. S. Phatak and H. Gehue (2002), Indoor GPS Test Methodology and Indoor Performance Tests, Proceedings of ION GPS 2002. Portland, OR, September 24-27, pp. 192-199.
7. Krasner, N.F, G. Marshall and W. Riley (2002), GPS Receiver and Methods for Processing GPS Signals, SnapTrack, United States Patent# 5663734.
8. Lachapelle, G., H. Kuusniemi, D. T. H. Dao and M.E. Cannon (2003), HSGPS Signal Analysis and Performance under Various Indoor Conditions, Proceedings of ION GPS 2003, Portland, OR, September 24-27, pp. 1171-1184.
9. LaMance, J., J. DeSalas and J. Jarvinen (2002), Assisted GPS: A Low-Infrastructure Approach, GPS World, May.
10. MacGougan, G. D. (2003), "High Sensitivity GPS Performance Analysis in Degraded Signal Environments," M.Sc. Thesis, Department of Geomatics Engineering, University of Calgary http://www.geomatics.ucalgary.ca/links/ GradTheses.html
11. MacGougan, G. D., G. Lachapelle, R. Klukas, K. Siu, L. Garin, J. Shewfelt and G. Cox (2002), Degraded GPS Signal Measurements With A Stand-Alone High Sensitivity Receiver, Proceedings of ION NTM 2002, San Diego, CA, January 28-30, pp. 191-204.
12. Petovello, M., M.E. Cannon and G. Lachapelle (2000), C3NAVG2 Operating Manual, Department of Geomatics Engineering, University of Calgary, May.
13. Shewfelt, J, R. Nishikawa, C. Norman and G.F Cox (2001), Enhanced Sensitivity for Acquisition in Weak Signal Environments Through The Use of Extended Dwell Times, Proceedings of ION GPS 2001, Salt Lake, UT, September 11-14, pp. 155-162.
14. SiRF Technology Inc., http://www.sirf.com/ (accessed September 9, 2004).
15. Syrjärinne, J. (2001), Studies of Modern Techniques for Personal Positioning, PhD Thesis, Tempere University of Technology, Finland.
16. Syrjärinne, J. and T. Kinnari (2002), Analysis of GPS Time-Transfer Accuracy in GSM and UMTS Networks and Possibilities to Improve Sensitivity, Proceedings of ION GPS 2002, Portland, OR, September 24-27, pp. 184 191.
17. van Diggelen, F. (2001). Global Locate Indoor GPS Chipset & Services, Proceedings of ION GPS 2001, Salt Lake, UT, September 11-14, pp. 1515-1521.