Won

Name:

Ph.D. Jong-Hoon Won

Position:

Head of GNSS Laboratory

Forschungsschwerpunkt:

GNSS Software Receiver

GNSS Signal Processing

GNSS/INS Integration Estimation Technique

Kontakt:

ISTA - Institute of Space Technology and Space Applications
Universität der Bundewehr München

85577 Neubiberg / Germany
Phone: +49 (0)89/6004-2587
Fax: +49 (0)89/6004-3019
Building 42

E-Mail:

jonghoon.won(at)unibw.de

CURRICULUM VITAE

EDUCATION

1997-2004

Ajou University, Suwon, S. Korea
Ph.D. in Control and Instrumentation Engineering

1995-1997

Ajou University, Suwon, S. Korea
MSc in Control and Instrumentation Engineering

1991-1995

Ajou University, Suwon, S. Korea
BSc in Control and Instrumentation Engineering

Ph.D. Thesis

“Studies on the Software-based GPS Receiver and Navigation Algorithms”, at Ajou University, Suwon, Korea, Dec. 2004. under supervision of Prof. Ja-Sung Lee

MSc Thesis

“Improved GPS Algorithms for Car Navigation in Urban Environment with Limited GPS Visibility”, at Ajou University, Suwon, Korea, Feb. 1997. (in Korean), under supervision of Prof. Ja-Sung Lee


EXPERIENCE

Since 01/2011

Head of GNSS Laboratory at the Institute of Space Technology and Space Applications, University FAF Munich, Germany

08/2005 - 12/2010

Research associate at the Institute of Geodesy and Navigation, University FAF Munich, Germany

08/2004 - 06/2005

Researcher at Avionics Department, Korea Aerospace Research Institute (KARI), S. Korea

01/2003 - 02/2004

Visiting Researcher at Satellite Technology Division, Electronics Navigation Research Institute (ENRI), Tokyo, Japan

07/2001 - 08/2001

Visiting Researcher at the Institute of Geodesy and Navigation, University FAF Munich Germany

11/2000 - 07/2005

Researcher at the Information Technology Center, Ajou University, Suwon, S. Korea

1997 - 1998 &
2001 - 2003

Lecturer at Kyounggi University, Suwon, S. Korea

Projects

Research Works at University FAF

Project Engineer focusing on the design of high performance GPS/Galileo signal tracking algorithms and user terminal issues within the following research projects:

  • Survey on Commercial Ground Navigation Receiver Worldwide: SurRex (07/2011 – present: funded by ESA)
  • Advanced Research Terminal Extension: ART-X (04/2011 – present: funded by EC-FP7)
  • Advanced Signal-In-Space Techniques: ADIVSE (10/2010 – 02/2011: funded by European Space Agency-ESA)
  • Deep Coupling with a Software Receiver (01/2010 – 04/2010 : funded by Federal Armed Forces of Germany)
  • Design and Analysis of Vector Tracking Loop for High Sensitivity GNSS Signal Tracking: VTL (09/2009 – Present: funded by DFG)
  • GNSS Evolution Program: Future Satellite Navigation System Architectures (09/2009 – 02/2010: funded by European Space Agency-ESA)
  • GNSS Evolution Programme: Assessment on the Use of the C-Band for GNSS: C-BAND (08/2007 – 05/2009: funded by European Space Agency-ESA
  • Development of GPS Algorithm for the Vehicle (01/2007 – 06/2007: funded by Toyota Motor Corp. Japan)
  • Implementation of GNSS SDR (08/2005 – Present: funded by Federal Armed Forces of Germany)

Research Works at KARI

Project Engineer to develop GPS L1CA RTK software module for UAV in the following research project:

  • Studies on GNSS Argumentation System for Un-manned Aerial Vehicle (08/2004 - 06/2005)

Research Works at Ajou University

Project Engineer to develop, design and test a various kind of navigation and target tracking systems in the following research projects:

GNSS Receiver Technology

  • The Development of Design and Analysis Tool for the Signal Processing Algorithm of Software GPS Receivers: Co-work of Ajou University, Korea and FAF University, Germany (01/2003 – 06/2005: funded by KOSEF-DAAD)
  • Development of Dual-purpose DGPS Translator System (07/2000 – 06/2004: funded by Ministry of Industry and Resource)
  • Development of Signal Processing Program for Software GPS Receiver (11/2001 – 11/2002: funded by Elextech Ltd.)
  • Development of Real Time Navigation Program for Small-sized GPS Receiver (11/2001 – 5/2002: funded by Elextech Ltd.)
  • A Study on the GPS Indoor Feasibility and Network Adjustment Based on the Mobile Communication Network (09/2000 – 08/2001: funded by KOSEF)
  • Development of Low-Cost GPS Receiver (10/1997 – 03/1998: funded by Navtron Ltd.)

GNSS Navigation Technology

  • Development of IDGPS/CDGPS Software Module (12/2001 – 6/2002: funded by HOW Eng.)
  • Precise Positioning Using GPS Carrier Phase (04/1999 – 03/2000: funded by Navtron Ltd.)
  • Automatic Vehicle Location System Using DGPS (09/1995 – 10/1997: funded by Jinbo Eng.)

GNSS/INS Integration Methods

  • Development of SDINS/CDGPS System for Precision Positioning and Attitude Determination (05/2002 – 02/2003: funded by Small and Medium Business Administration of Korea)

Target Tracking System

  • Development for Real-time Data Fusion Algorithm for Precise Positioning Data Using Multi-Sensors (10/2004 – 07/2005: funded by ADD)
  • An Implementation of the Real Time Data Fusion Filter for Flight Test (07/2002 – 11/2002: funded by ADD)
  • Data Fusion Algorithm for Missile Tracking System (08/2000 – 06/2001: funded by ADD)

Software Development

  • GPS L1 CA Software Receiver for DGPS Translator system of high dynamic missile tracking system
  • DGPS/CDGPS precise navigation software module
  • Antenna array GPS attitude navigation software module
  • SDINS/CDGPS AHRS software module
  • Missile target tracking data fusion software module

Publications

In the field of satellite navigation (journals, magazines and conference proceedings): see the list of publications

Teaching/Lectures

Involved in teaching in the fields of filter design and synthesis, basic circuit, and so on.

Involved in lectures on Advanced Aspect of Receiver Technology in ESPACE course at Technical University of Munich (TUM: www.espace-tum.de), Germany, and on Signal Processing III at University FAF Munich, Germany.

Involved in a special course of seminar on Deep Coupling System Architectures of GPS/INS in the session of GPS/INS-Integration and Multisensor-Navigation, Carl-Cranz-Gesellschaft e.V. (www.ccg-ev.de).

Invited lectures at various research institutes (ADD, KARI, ETRI,…) and industries on signal processing, satellite navigation and target tracking systems.


LIST OF PUBLICATIONS
J. H. Won, and B. Eissfeller (2012)

A Tuning Method based on Signal-to-Noise Power Ratio for Adaptive PLL and its Relationship with Equivalent Noise Bandwidth,

IEEE Communications Letters, Vol. 17, No. 2, Feb. 2013.

J. H. Won, T. Pany, and B. Eissfeller (2012)

Characteristics of Kalman Filter Approach for Signal Tracking Loop of GNSS Receiver,

Transactions on IEEE Aerospace and Electronics Systems, Vol. 48, No. 4, Oct. 2012.

J. H. Won, B. Eissfeller, A. Schmitz-Pfeiffer, J.-J. Floch, and E. Colzi

Trade-off between Data Rate and Signal Power Split in GNSS Signal Design,

Transactions on IEEE Aerospace and Electronics System, Vol. 48, No. 3, July 2012.

J. H. Won, T. Pany, and B. Eissfeller (2012)

Iterative Maximum Likelihood Estimators for GNSS Signal Tracking,

Transactions on IEEE Aerospace and Electronics Systems, Vol. 48, No. 4, Oct. 2012.

S. J. Ko, B. Eissfeller,J. H. Won, and T. Pany (2012)

Assessment of Vector-Tracking-Loop Performance under Radio Frequency Interference Environments,

Proceedings of ION GNSS-2012, Nashville, TN, Sept. 17-21, 2012.

J. H. Won, B. Eissfelller, T. Pany, and Jón Winkel (2012)

Advanced Signal Processing Scheme for GNSS Receivers Under Ionospheric Scintillation,

Proceedings of IEEE/ION PLANS 2012, Myrtle Beach, SC, Apr. 24-26, 2012.

A. Garcia-Pena, O. Julien, C. Macabiau, A. Emmanuele, M. Luise, J. H. Won,D. Fontanella, M. Paonni, B. Eissfeller, F. Zanier, and G. Lopez-Risueno (2012)

FMT Signal Options and Associated Receiver Architectures for GNSS,

Proceedings of IEEE/ION PLANS 2012, Myrtle Beach, SC, Apr. 24-26, 2012.

J. H. Won, D. Fontanella, M. Paonni, B. Eissfeller, A. Emmanuele, M. Luise, A. Garcia-Peña, O. Julien, C. Macabiau, F. Zanier (2011)

Receiver Architecture for Multicarrier-based GNSS Signals,

Proceedings of the 5th European Workshop on GNSS Signals and Signal Processing –GNSS Signals 2011, ENAC, Toulouse, France, Dec. 8-9, 2011.

J. H. Won, M. Paoni, D. Fontanella, B. Eissfeller, A. Emmanuele, M. Luise, F. Zanier, G. L. Risueno (2011)

Receiver Performance Analysis of Advanced Signal-In-Space Modulation Techniques for Next Generation GNSS,

Proceedings of the 18th GNSS Workshop, Jeju, Korea, Nov. 3-4, 2011.

A. Emmanuele, M. Luise, J. H. Won, M. Paonni, B. Eissfeller, F. Zanier, G. Lopez-Risueno (2011)

Evaluation of Filtered Multitone (FMT) Technology for Future Satellite Navigation Use,

Proceedings of ION GNSS-2011, Portland, OR, Sept. 20-23, 2011.

J. H. Won, and B. Eissfeller (2011)

Implementation, Test and Validation of a Vector-Tracking-Loop With the ipex Software Receiver,

Proceedings of ION GNSS-2011, Portland, OR, Sept. 20-23, 2011.

J. H. Won, B. Eissfeller (2010)

Effectiveness Analysis of Vector-Tracking-Loop in Signal Fading Environment,

Proceedings of the seventh ESA Workshop on Satellite Navigation User Equipment Technologies – NAVITEC2010, ESTEC, Noordwijk, The Netherlands, Dec. 8-9, 2010.

C. Stöber, M. Anghileri, A. S. Ayaz, D. Dötterböck, I. Krämer, V. Kropp, D. S. Güixens, J. H. Won, B. Eissfeller, T. Pany (2010)

ipexSR: A Real-Time Multi-Frequency Software GNSS Receiver,

Proceedings of the 52nd International Symposium of IEEE ELMAR-2010, Zadar, Croatia, Sept. 15-17, 2010.

J. H. Won, D. Dötterböck, B. Eissfeller (2010)

Performance Comparison of Three Different Types of Nonlinear Kalman Filter Approach for a Vector-Based GNSS Signal Tracking Loop,

NAVIGATION: Journal of The Institute of Navigation, Vol. 57, No. 3, Fall 2010.

J. H. Won, B. Eissfeller, J.-J. Floch, A. Schmitz-Peiffer (2009)

ADC and Quantization Effects in a GMSK-based GNSS Receiver Implementation,

Proceedings of International Symposium on GPS/GNSS 2009, Jeju Island, Korea, Nov. 4-6, 2009.

J. H. Won, D. Dötterböck, B. Eissfeller (2009)

Performance Comparison of Three Different Types of Nonlinear Kalman Filter Approach for a Vector-Based GNSS Signal Tracking Loop,

Proceedings of ION GNSS-2009, Savannah, Georgia, Sept. 22-25, 2009.

J. H. Won, M. Anhileri, B. Eissfeller, A. Schmitz-Peiffer, J-J. Floch (2009)

Optimum Data Rate and Signal Power Split for Next Generation GNSS Architectures,

Proceedings of ION GNSS-2009, Savannah, Georgia, Sept. 22-25, 2009.

J. H. Won, J. Angel-Rodriguez, S. Wallner, M. Anghileri, B. Eissfeller, J. B. Lankl, T. Schüler, A. Schmitz-Peiffer, L. Stopfkuchen, J-J. Floch, A. Fernandez, R. Jorgensen, E. Colzi (2009)

Architecture for a future C-Band / L-band GNSS Mission Part 2: A Potential Signal Plan and Related User Terminal Aspects,

INSIDE GNSS MAGAZINE, Jul/Aug. 2009.

A. Schmitz-Peiffer, L. Stopfkuchen, J-J. Floch, A. Fernandez, R. Jorgensen, B. Eissfeller, J. Angel-Rodriguez, S. Wallner, J. H. Won, M. Anghileri, B. Lankl, T. Schüler, E. Colzi (2009)

Architecture for a future C-Band / L-band GNSS Mission Part 1: C-Band Services, Space- and Ground Segment, Overall Performance,

INSIDE GNSS MAGAZINE, May/Jun. 2009.

J. H. Won, B. Eissfeller, A. Schmitz-Peiffer (2008)

C-Band User Terminal RFI Effect Analysis for European GNSS Evolution Programme,

Proceedings of the fifth ESA Workshop on Satellite Navigation User Equipment Technologies – NAVITEC2008, ESTEC, Noordwijk, The Netherlands, Dec. 10-12, 2008.

J. H. Won, J. A. Avila-Rodriguez, S. Wallner, B. Eissfeller, A. Schmitz-Peiffer, J. J. Floch, E. Colzi (2008)

C-Band User Terminal Aspect for Bandwidth Efficient Modulation Schemes in European GNSS Evolution Programme,

Proceedings of International Symposium on GPS/GNSS 2008, Tokyo, Japan, Nov. 11-14, 2008.

J. H. Won, B. Eissfeller, A. Schmitz-Peiffer, E. Colzi (2008)

C-Band Tracking Loop Stability Analysis for European GNSS Evolution Programme,

Proceedings of ION GNSS-2008, Savannah, Georgia, Sept. 16-19, 2008.

J. H. Won, B. Eissfeller, A. Schmitz-Peiffer, E. Colzi (2008)

C-Band User Terminal Concepts and Acquisition Performance Analysis for European GNSS Evolution Programme,

Proceedings of ION GNSS-2008, Savannah, Georgia, Sept. 16-19, 2008.

J. A. Avila-Rodriguez, S. Wallner, J. H. Won, B. Eissfeller, A. Schmitz-Peiffer, J.-J. Floch, E. Colzi and J.-L. Gerner (2008)

Study on a Galileo Signal and Service Plan for C-band,

Proceedings of ION GNSS-2008, Savannah, Georgia, Sept. 16-19, 2008.

S. Wallner, J. A. Avila-Rodriguez, J. H. Won, G. Hein, J. –L. Issler (2008)

Revisited PRN Code Structure for Galileo E1 OS,,

Proceedings of ION GNSS-2008, Savannah, Georgia, Sept. 16-19, 2008.

A. Schmitz-Peiffer, D. Felbach, F. Soualle, R. King, S. Paus, A. Ferández, R. Jorgensen, B. Eissfeller, J. A. Avila-Rodriguez, S. Wallner, J. H. Won, T. Pany, M. Anghileri, B. Lankl, E. Colzi (2008)

Assessment of the Use of C-Band for GNSS within the European GNSS Evolution Programme

Proceedings of ION GNSS-2008, Savannah, Georgia, Sept. 16-19, 2008.

J. H. Won, T. Pany, and B. Eissfeller (2007)

Implementation, Verification and Test Results of a MLE-based F-Correlator Method for Multi-Frequency GNSS Signal Trackings

Proceedings of ION GNSS-2007, Fort Worth, Texas, Sept. 25-28, 2007.

M. Anghileri, T. Pany, D. Sanroma, J. H. Won, A. Sicramaz, C. Stober, I. Kramer, B. Eissfeller, G.W. Hein (2007)

Performance Evaluation of a Multi-frequency GPS/Galileo/SBAS Software Receiver,

Proceedings of ION GNSS-2007, Fort Worth, Texas, Sept. 25-28, 2007.

J. H. Won, T. Pany, and B. Eissfeller (2006)

Performance Evaluation of a Unified MLE Approach for Tracking Multi-Frequency GNSS Signals,

Proceedings of the third ESA Workshop on Satellite Navigation User Equipment Technologies – NAVITEC2006, ESTEC, Noordwijk, The Netherlands, Dec. 11-13, 2006.

J. H. Won, T. Pany, and B. Eissfeller (2006)

A Maximum Likelihood Estimator Based Tracking Algorithm for GNSS Signals,

Proceedings of the IAIN World Congress and 2006 International Symposium on GPS/GNSS, ICC, Jeju Island, Korea, Oct. 18-20, 2006.

M. Anghileri, T. Pany, J. H. Won, and B. Eissfeller (2006)

An Algorithm for Bit Synchronization and Signal Tracking in Software Receivers,

Proceedings of ION GNSS-2006, Fort Worth, Texas, Sept. 26-29, 2006.

J. H. Won, T. Pany, and B. Eissfeller (2006)

Design of a Unified MLE Tracking for Multi-Frequency GPS/Galileo Software Receivers,

Proceedings of ION GNSS-2006, Fort Worth, Texas, Sept. 26-29, 2006.

T. Pany, J. H. Won and G. H. Hein (2006)

GNSS Software Defined Radio: Real Receiver or Just Tool for Experts?,

INSIDE GNSS MAGAZINE, July 2006

A. S. Ayaz, T. Pany, B. Eissfeller, and J. H. Won (2006)

FFT Based Acquisition Algorithm in a Multi-Frequency Software Receiver,

Proceedings of the IGNSS Symposium, the International Global Navigation Satellite System Society, Australia, Jul. 17-21, 2006.

S. J. Ko, J. H. Won and J. S. Lee (2006)

Design of a PC Based Real-Time Software GPS Receiver,
Transaction of KIEE, Vol. 55D, No. 6, Jun. 2006. (in Korean)

G. H. Hein, T. Pany, S. Wallner and J. H. Won (2006)

Platforms for a Future GNSS Receiver: A Discussion of ASIC, FPGA and DSP Technologies,

INSIDE GNSS MAGAZINE, March 2006.

J. H. Won, S. J. Ko and J. S. Lee (2005)

A Software-based GPS Receiver for Fast TTFF Using External Aiding Technique,

Proceedings of the International Symposium on GPS/GNSS 2005, Hong Kong, Dec. 8-10, 2005.

Y. J. Lee, J. H. Won, J. S. Lee (2005)

Implementation of a Real-time Data Fusion Algorithm for Flight Test Computer,

Journal of The Korea Institute of Military Science and Technology, Vol. 8, No. 4, 2005. 12. (in Korean)

J. H. Won and J. S. Lee (2005)

A Note on the Group Delay and Phase Advanced Phenomenon Associated with GPS Signal Propagation Through Ionosphere,

NAVIGATION: Journal of the Institute of Navigation, Vol. 52, No. 2, 2005.

J. H. Won, S. J. Ko and J. S. Lee (2005)

Implementation of External Aiding and Novel Pseudorange Generation Algorithms for Fast TTFF of GPS Translator Systems,

Proceedings of the 12th GNSS Workshop, Jeju Island, Korea, Dec. 1-2, 2005.

J. H. Won, K. R. Oh, J. C. Kim, G. W. Nam (2005)

A Study on Kalman Filter based RTK-GPS for HANDGPS,
Proceedings of the KIMST Conference, Seoul, Korea, Aug. 30, 2005.

K. R. Oh, J. H. Won, J. C. Kim and K. U. Nam (2005)

Analysis on the performance of Linearly Interpolated PRC Regeneration Algorithm to Improve Navigation Solution Using Multi-DGPS Reference Station,

Proceedings of the 11th GNSS Workshop, Seoul, Korea, Nov. 4-5, 2004. (in Korean)

C. H. Ha, J. H. Won, S. J. Ko, J. S. Lee and Y. J. Lee (2004)

Design of Multi-Sensor Simulator and Study of Data Fusion Algorithm for Real-Time Target Tracking,

Proceedings of the 11th GNSS Workshop, Seoul, Korea, Nov. 4-5, 2004. (in Korean)

I. G. Kim, S. J. Ko, J. H. Won and J. S. Lee (2004)

Galileo Signal Generation and Processing Modules Design,

Proceedings of the 11th GNSS Workshop, Seoul, Korea, Nov. 4-5, 2004. (in Korean)

J. H. Won and Kazuaki Hoshinoo (2004)

“Acquisition and Tracking Methods for a Very Weak GPS Signal: Analysis on PLL Performance Degradation Caused by Ionospheric Scintillation,”

The 11th Winter Institute Report, JISTEC, Tokyo, Japan, Feb. 19, 2004.

S. J. Ko, J. H. Won and J. S. Lee (2003)

Real-Time Implementation of a FFT based Software Correlator Using DSP,

Proceedings of 2003 International Symposium on GPS/GNSS, Tokyo, Japan, Nov. 15-18, 2003.

S. J. Ko, J. H. Won and J. S. Lee (2003)

FFT and PLL based GPS Signal Processing for Software GPS Receiver,

The Wuhan University Journal of Nature Science, Vol. 8, No. 2, Wuhan University, Wuhan, China, 2003. (also presented in Proceedings of 2002 International Symposium on GPS/GNSS, Wuhan, China, 6-8 Nov. 2002)

J. Y. Kim, S. J. Ko, J. H. Won and J. S. Lee (2003)

Design of the Software GPS Signal Processing Module Using SimulinkTM,

Proceedings of the 10th GNSS Workshop, Bo-guang, Korea, Nov. 21-22, 2003. (in Korean)

S. J. Ko, J. H. Won and J. S. Lee (2003)

Design of the Real-Time Software GPS Correlator Using DSP,

Proceedings of the 10th GNSS Workshop, Bo-guang, Korea, Nov. 21-22, 2003. (in Korean)

J. H. Won, J. S. Lee, Y. S. Kim, Y. J. Lee and H. B. Kim (2003)

Implementation and Performance Analysis on the Real-Time Data Fusion Algorithm for Vehicle Tracking,

Proceedings of 2003 the 4th Symposium on Test and Evaluation Technology, ADD, An-Heung, Korea, Sept. 9, 2003. (in Korean)

J. H. Won, J. S. Lee, Y. J. Lee and H. B. Lee (2003)

Performance Analysis on the Real-time Data Fusion Filter for Flight Test,

Proceedings of KIEE 2003 Annual Summer Conference, Young-Pyoung, Korea, July 21-23, 2003. (in Korean)

H. C. Kim, J. H. Won, S. J. Ko and J. S. Lee (2002)

Navigation of High Dynamic User with a Conventional GPS Receiver Using External Doppler Aiding and an Improved Tracking System,

Proceedings of 2002 GNSS Workshop, Daejeon, Korea, Nov. 2002. (in Korean)

S. J. Ko, J. H. Won and J. S. Lee (2002)

Development of GPS Signal Processing Algorithms for Software GPS Receiver,

Proceedings of 2002 GNSS Workshop, Daejeon, Korea, Nov. 2002. (in Korean)

J. H. Won, S. J. Ko, and J. S. Lee (2001)

A Reconfigurable Kalman Filtering Approach for OTF Integer Ambiguity Resolution in Precision GPS Navigation,

Proceedings of GPS ION National Technical Meeting 2001, Long Beach, California, USA, Jan. 22-24, 2001.

S. J. Ko, J. H. Won, and J. S. Lee (2001)

A Practical Real-Time Precise CDGPS Positioning Using Mobile Phones and Internet and Low Cost C/A-Code GPS Receivers,

Proceedings of GPS ION National Technical Meeting 2001, Long Beach, California, USA, Jan. 22-24, 2001.

H. S. Ho, S. J. Ko, J. H. Won and J. S. Lee (2001)

Development of Real-Time GPS Navigation Software for Small Sized Low Power GPS Chipsets,

Proceedings of 2001 GNSS Workshop, Jeju Island, Korea, Nov. 2001. (in Korean)

S. J. Ko, H. S. Ho, J. H. Won and J. S. Lee (2001)

Implementation of IDGPS Based Tracking System Using Internet and Mobile Phone,

Proceedings of KIEE 2001 Annual Summer Conference, Yong-Pyoung, Korea, July, 2001.

J. H. Won, H. C. Kim, S. J. Ko and J. S. Lee (2001)

Performance Analysis of Quaternion-based Least-squares Methods for GPS Attitude Estimation,

Proceedings of KIEE 2001 Annual Summer Conference, Yong-Pyoung, Korea, July, 2001.

S. J. Ko, J. H. Won, and J. S. Lee (2000)

Development of Real-Time GPS Precise Positioning System Using Mobile Phone and Internet,

Proceedings of 2000 GNSS Workshop, Seoul, Korea, Dec. 2000. (in Korean)

M. S. Park, J. H. Won, S. K. Hong and J. S. Lee (2000)

A Study on the Error Analysis and Performance Improvement of Low-Cost Inertial Sensors,

Proceedings of the ICASE 2000 Annual Autumn Conference, Seoul, Korea, Sept. 2000. (in Korean)

H. J. Park, J. H. Won, S. J. Ko and J. S. Lee (2000)

Performance Analysis of Least-Squares Estimation and LAMBDA Method for GPS Precise Positioning Using Carrier Phase,

Proceedings of the ICASE 2000 Annual Autom Conference, Seoul, Korea, Sept. 2000. (in Korean)

J. H. Won, S. J. Ko and J. S. Lee (2000)

Real-time Precision GPS Positioning Algorithm Based on Reconfiguration Kalman Filter,

Proceedings of the KIEE 2000 Annual Summer Conference, Mu-ju, Korea, July, 2000.

J. H. Won, S. J. Ko, H. J. Park and J. S. Lee (2000)

Field Test Results of CDGPS Precision Positioning Using Single Frequency, CA Code GPS Receivers,

Proceedings of the KIEE 2000 Annual Summer Conference, Mu-ju, Korea, July, 2000.

S. J. Ko, J. H. Won, H. J. Park and J. S. Lee (2000)

Realization of DGPS Using Mobile Phone and Internet,

Proceedings of the KIEE 2000 Annual Summer

J. B. Cho, J. H. Won, S. J. Ko and J. S. Lee (1999)

Performace Analysis of GPS/INS Integrated Navigation Systems,

Proceedings of the KIEE ‘99 Annual Summer Conference, Yong-pyong, Korea, July, 1999. (in Korean)

S. J. Ko, J. H. Won and J. S. Lee (1999)

Real-Time Car Monitoring System with Relative GPS,

Proceedings of the ICASE Conference, Daejun, Korea, April, 1999, pp. 1437-1439. (in Korean)

Y. D. Cho, J. H. Won S. J. Ko and J. S. Lee (1998)

Development of a GPS Receiver: Hardware and Software,

The 5th '98 GPS Workshop Proceedings, Pusan, Korea, Nov. 1998. (in Korean)

J. H. Won and J. S. Lee (1998)

Generalized Koch Algorithm,

The 5th '98 GPS Workshop Proceedings, Pusan, Korea, Nov. 1998. (in Korean)

J. H. Won, S. J. Ko and J. S. Lee (1998)

Field Test Results of the Improved GPS Navigation Algorithm,

Proceedings of the KIEE Summer Annual Conference, Kyong-ju, Korea, Jul. 1998.

S. J. Ko, J. H. Won and J. S. Lee (1997)

Development of a Car Tracking System Using Relative GPS,

The 4th '97 GPS Workshop Proceedings, Seoul, Korea, Nov. 1997. (in Korean)

J. H. Won and J. S. Lee (1997)

Improved GPS Algorithm for Car Navigation in Urban Environment,

The 4th '97 GPS Workshop Proceedings, Seoul, Korea, Nov. 1997. (in Korean)

J. H. Won and J. S. Lee (1996)

Modified Extended Kalman Filter Technique for Car Navigation in Urban Environment with Limited GPS Visibility,

Proceedings of the KIEE Summer Annual Conference '96, Yong-pyong, Korea, July 1996. (in Korean)

J. H. Won and J. S. Lee (1996)

Deterministic GPS Solution Algorithms for Car Navigation in Urban Environment with Limited GPS Visibility,

Proceedings of the KSAS Spring Annual Meeting '96, Kwang-ju, Korea, April 1996. (in Korean)