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ION Proceedings


ION GPS 2002


September 24-27, 2002
Oregon Convention Center - Portland, Oregon

TABLE OF CONTENTS


SESSION A1: GROUND BASED AUGMENTATION SYSTEMS
Test-Bed for Evaluation of Impact of Evil Waveforms on Real Receivers and SQM Performance,
C. Macabiau, ENAC, France; W. Vigneau, M3Systems; D. Houzet, INSA Rennes, 1
Estimation of ICAO Threat Model Parameters for Operational GPS Satellites,
A.M. Mitelman, D.M. Akos, S.P. Pullen, P.K. Enge, Stanford University, 12
Development of Signal in Space Performance Requirements for GBAS to Support CAT II/III Landing Operations,
T. Murphy, Boeing Commercial Airplane, 20
Experimental and Theoretical Results on the LAAS Sigma Overbound,
I. Sayim, B. Pervan, Illinois Institute of Technology; S. Pullen, P. Enge, Stanford University, 29
Performance of a Prototype Local Area Augmentation System (LAAS) Ground Installation,
M. Brenner, P. Kline, R. Reuter, Honeywell Commercial Aviation Products, 39
GBAS Implementation Challenges: Positive Elevation Angle Multipath and More,
G. Berz, M. Scaramuzza, Skyguide, Switzerland; B. Ott, Thales ATM Navigation; A. Geiger, Swiss Federal Institute of Technology, 51
Airport Pseudolite Flight Experiments,
S. Suga, H. Tsunoda, Toshiba Corporation, Japan; N. Fujii, S. Fukushima, S. Saitoh, Electronic Navigation Research Institute, Japan, 60
Pseudolite Implementation for Social Infrastructure and Seamless Indoor/Outdoor Positioning,
I. Petrovski, K. Okano, M. Ishii, H. Torimoto, GNSS Technologies Inc., Japan; Y. Konishi, R. Shibasaki, Institute of Industrial Sciences, University of Tokyo, Japan, 69

SESSION B1: SPACE APPLICATIONS 1
GPS Operations on the PCsat Microsatellite,
O. Montenbruck, S. Leung, German Space Operations Center, Germany; R. Bruninga, United States Naval Academy, 77
SAC-C Orbit Reconstruction using the Experimental GPS/GLONASS Receiver LAGRANGETM,
S. Casotto, A. Zin, B. Padovan, Università di Padova, Italy, 85
Space Applications Algorithms and Initial Simulation Results for the ITT Low-Power Transceiver,
S. Draganov, B. Veytsman, L. Haas, ITT Industries, 94
Multi-Sensor Navigation and Attitude Determination System for Space Applications,
M. Mittnacht, W. Fichter, E. Gottzein, M. Hartrampf, A. Konrad, P.A. Krauss, W. Oesterlin, P. Ruhland, Astrium GmbH, Germany; T. Vogel, Jena Optronik GmbH, Germany, 103
New Dimension for GEO and GTO AOCS Applications using GPS- and Galileo Measurements,
W. Enderle, R.A. Walker, Y. Feng, W. Kellar, Cooperative Research Centre for Satellite Systems, Brisbane, Australia, 111
Results from the GPS Flight Experiment on the High Earth Orbit AMSAT OSCAR-40 Spacecraft,
M.C. Moreau, E.P. Davis, J.R. Carpenter, NASA Goddard Space Flight Center; D. Kelbel, Computer Sciences Corporation; G.W. Davis, Emergent Space Technologies; P. Axelrad, University of Colorado at Boulder, 122
Single Antenna Attitude Determination for FedSat,
C. Wang, R.A. Walker, W. Enderle, Cooperative Research Centre for Satellite Systems of Queensland University of Technology, Australia, 134
Plasma Wave Interferometry using GPS Positioning and Timing
on a Formation of Three Sub-Orbital Payloads,

S.P. Powell, E.M. Klatt, P.M. Kintner, Cornell University, 145

SESSION C1: INDOOR GPS AND CELL PHONE SIGNAL POSITION DETERMINATION
A DSSS/CDMA/FDMA Indoor Geolocation System,
I.F. Progri, W.R. Michalson, M.C Bromberg, Worcester Polytechnic Institute, 155
Position Determination using Hybrid GPS/Cellphone Ranging,
N.F. Krasner, G. Marshall, W. Riley, SnapTrack Division, Qualcomm Company, 165
A Novel Weak Signal Acquisition Scheme for Assisted GPS,
II H. Choi, Chungnam National University, Navicom Co., Ltd., Korea; S.H. Park, Navicom Co., Ltd., Korea; D.J. Cho, S.J. Yun, Chungnam National University,
Navicom Co., Ltd., Korea; Y.B. Kim, Navicom Co., Ltd., Korea; S.J. Lee, Chungnam National University, Korea, 177
Analysis of GPS Time-Transfer Accuracy in GSM and UMTS Networks and Possibilities to Improve Sensitivity,
J. Syrjärinne, T. Kinnari, Nokia Mobile Phones, Finland, 184
Indoor GPS Test Methodology and Indoor Performance Tests,
L.J. Garin, M.S. Phatak, H. Gehue, SiRF Technology Inc., 192
Proposed Models and Methodologies for Verification Testing of AGPS-Equipped Cellular Mobile Phones in the Laboratory,
P. Boulton, A. Read, Spirent Communications; G. MacGougan, R. Klukas, E. Cannon, G. Lachapelle, University of Calgary, Canada, 200
Centimeter Accuracy Stand-Alone Indoor Navigation System by Synchronized Pseudolite Constellation,
D. Yun, C. Kee, Seoul National University, Korea, 213
Synchronized Pseudolites - The Key to Indoor Navigation,
S. Söderholm, Fastrax Ltd., Finland; T. Jokitalo, Space Systems Finland Ltd., Finland, 226
Very Efficient High Sensitivity Fully Coherent AGPS Signal Processing with
Almost No Assistance Requirements,
B. Shayevits, H. Cohen, J. Nir, E. Dochovny, CellGuide Ltd., Israel, 231
Phase Centers of GPS IIF Modernization L-Band Antenna,
C. Choi, The Boeing Company, 241

SESSION D1: GALILEO MARKET AND SERVICES
Galileo Is Launched,
O. Onidi, European Commission, 245
Galileo's Services,
L. Dutton, Thales Avionics Limited, UK; D. Rumens, W. Forrest, Thales Air Traffic Management, UK; L. Ruiz, ESA Galileo Interim Support Structure, Belgium, 249
Market and Policy Drivers for the Development of Navigation Services in the Galileo Era,
J. Styles, N. Costa, B. Jenkins, ESYS plc; V. Gabaglio, Galileo Interim Support Structure, 258
Status of Galileo Frequency and Signal Design,
G.W. Hein, J. Godet, J.L. Issler, J.C. Martin, P. Erhard, R. Lucas-Rodriguez, T. Pratt, European Commission, Belgium, 266
Design Criteria for RNSS Signal Emissions,
H. Kuhlen, T. Burger, B. Barnes, M. O’Donnell, Astrium, GmbH, Germany, 278
GPS and Galileo - Interoperability for Civil Aviation Applications,
P. Fyfe, K. Davis, I. Jeng, C. Kelley, C. Mosley, The Boeing Company, 289
Galileo PRS Service,
JF Bou, Thales CEO; C. Dussurgey, V. Leblond, B. Panefieu, Thales Avionics, 303
An Evaluation of the Military Benefits of the Galileo System,
J. Hasik, Consultant; M.R. Rip, Michigan State University, 320
GPS and Galileo Interoperability and Synergies,
A. Leonard, H. Blomenhofer, Thales ATM GmbH, Germany; I. Izquierdo, Galileo Interim Support Structure GISS, Belgium, 330
GALILEAN - Developing European GNSS Business and Markets by the Thematic Network Approach,
M.L. Mathieu, P. Campagne, France Developpement Conseil, France; H. Zunker, H. Stich, Euro Telematik AG, Germany, 342
The Stratolite Concept: Design of a Stratospheric Pseudo-Satellite for Galileo,
F. Dovis, P. Mulassano, Electronics Department, Politecnico di Torino, Italy; M. Dumville, Nottingham Scientific Ltd., UK, 347

SESSION E1: LOCATION-BASED SERVICES
Leapfrog Navigation System,
G.R. Opshaug, Stanford University 357
Vehicular Navigation in Urban Canyons using a High Sensitivity GPS Receiver Augmented with a Low Cost Rate Gyro,
O. Mezentsev, Y. Lu, G. Lachapelle, R. Klukas, University of Calgary, Canada, 363
GPS Location Augmentation using Today's Cellular Communication Information,
H. Hartinger, Siemens Datatrak Location and Information Systems, Austria; D. Trummer, Dept. of Econometrics and System Theory, Vienna University of Technology, Austria, 370
The Qualcomm/SnapTrack Wireless-Assisted GPS Hybrid Positioning System and Results from Initial Commercial Deployments,
Z. Biacs, G. Marshall, M. Moeglein, W. Riley, SnapTrack, A Qualcomm Company, 378
Mobile Location Applications and Enabling Technologies,
S. Pietilä, M. Williams, Research and Technology Access, Nokia Mobile Phones, Finland, 385
Integration of GPS and Dead Reckoning for Real Time Vehicle Performance and Emissions Monitoring,
W.Y. Ochieng, J.W. Polak, R.B. Noland, L. Zhao, Centre for Transport Studies, Imperial College, UK; D. Briggs, J. Gulliver, Dept. of Epidemiology and Public Health, Imperial College, UK; A. Crookell, R. Evans, Sira Limited, UK; M. Walker, W. Randolph, Saturn Technologies Limited, UK, 396
Design and Testing of a Pedestrian Alert System (PAS),
C. Rodgers, D. Greenlee, OPTIMUS Corporation; R. Blomberg, Dunlap & Associates, 409
Intelligent Transportation Systems by Three-Dimensional Geographic Database,
S. Anai, K. Ikisu, ZENRIN Co. Ltd., Japan; K. Meguro, Mitsubishi Research Institute Inc., 421
Method and Use of Aggregated Dead Reckoning Sensor and GPS Data for Map Matching,
B.P. Phuyal, 430
A GNSS-Based In-Car Odometer for Distance-Based Toll Collection:
R.A. Gutteling, R. van de Leijgraaf, TNO Physics and Electronics Laboratory; O. Tettero, TNO IT Security Evaluation Facility; P. van Koningsbruggen, TNO Inro, 438

SESSION F1: ALGORITHMS & METHODS 1: MULTIPATH MITIGATION & SIGNAL TRACKING
A GPS C/A Code Tracking Loop Based on Extended Kalman Filter with Multipath Mitigation,
G.-I. Jee, H.S. Kim, Y.J. Lee, Konkuk University, South Korea; C.G. Park, Kwangwoon University, Korea, 446
Reduction of Pseudorange Multipath Error in Static Positioning,
N. Kubo, A. Yasuda, Tokyo University of Mercantile Marine, Japan, 452
Evaluation, Refinement and Fusion of Software-Based Pseudorange Multipath Mitigation Techniques,
R.B. Harris, Applied Research Laboratories, University of Texas at Austin, 460
Improving Path Separation in a Multipath Environment by Applying Nonlinear Estimation Theory,
K. Kaindl, N. Niklasch, ViCon GmbH, Germany, 472
Using GPS Multicorrelator Receivers for Multipath Parameters Estimation,
R. Chaggara, TeSA; C. Macabiau, ENAC, France; E. Chatre, STNA, France, 477
Analysis and Generalization of a Dual-Antenna Multipath Mitigation Technique,
M.C. Santos, University of New Brunswick, Canada; J.C.F. Farret, Universidade Federal de Santa Maria, Brazil, 487
Multipath Mitigation using Modernized GPS Signals: How Good Can It Get?,
L.R. Weill, Dept. Of Mathematics, California State University, Fullerton, 493
Self-Aiding in GPS Signal Tracking,
Q. Zhengdi, Research & Technology Acces, Nokia Corporation, Finland, 506

SESSION A2: MULTI-SENSOR INTEGRATED NAVIGATION SYSTEMS 1
Flight Test Results of GPS/INS Navigation Loop for an Autonomous Unmanned Aerial Vehicle (UAV),
J-H. Kim, S. Sukkarieh, ACFR, University of Sydney, Australia, 510
Development of the AGPS/INS Integration System using the Triple Difference Technique,
S.H. Oh, J.W. Kim, Chungnam National University, Korea; S.W. Moon, University FAF Munich, Germany; D-H. Hwang, Chungnam National University, Korea; C. Park, Chungbuk National University, Korea; S.J. Lee, Chungnam National University, Korea, 518
Estimation of Alignment Errors in GPS/INS Integration,
S. Hong, Y-S. Chang, S-K. Ha, M-H. Lee, Pusan National University, Korea, 527
INS/GPS Integration using Neural Networks for Land Vehicle Navigation Applications,
K-W. Chiang, N. El-Sheimy, The University of Calgary, Canada, 535
TrunavTM: A Low-Cost Guidance/Navigation Unit Integrating a SAASM-Based GPS and MEMS IMU in a Deeply Coupled Mechanization,
J. Beser, S. Alexander, R. Crane, S. Rounds, J. Wyman, L-3 Communications/Interstate Electronics Corporation; B. Baeder, US Army Aviation and Missile Command, 545
INS/DGPS/VMS Integration for In-Motion Alignment,
T. Numajima, Ritsumeikan University, Japan; M. Kihara, Matsushita Electric Industrial, Co., Ltd., Japan; Y. Kubo, Mitsubishi Electric Industrial Co., Ltd., Japan; S. Sugimoto, Ritsumeikan University, Japan; T. Seki, Tamagawa Seiki Co., Ltd., Japan, 556
Fault Detection and Exclusion using Normalized Solution Separation Methods,
R.S.Y. Young, G.A. McGraw, Rockwell Collins, 565
Integrity Monitoring for Multi-Sensor Integrated Navigation Systems,
I. Nikiforov, Universite de Technologie de Troyes, LM2S, France, 579

SESSION B2: JAMMING & UNINTENTIONAL INTERFERENCE
An Updated Assessment of the GNSS L1 Radio Frequency Interference Environment,
R. Erlandson, Rockwell Collins; R. Frazier, FAA, 591
Monitor, Report & Locate: Tools for Critical Infrastructure Protection,
G. Gerten, S. Friedman, D. Irwin, Veridian Engineering, 600
Multiple GPS RFI Sources in a Small California Harbor,
J.R. Clynch, A.A. Parker, R.W. Adler, W.R. Vincent, Naval Postgraduate School; P. McGill, G. Badger, Monterey Bay Aquarium Research Institute, 605
Interference Localisation Trials using Adaptive Antenna Arrays,
M. Trinkle, D.A. Gray, CSSIP, The University of Adelaide, Australia, 613
Simplified Techniques for Analyzing the Effects of Non-White Interference on GPS Receivers,
C. Hegarty, M. Tran, Y. Lee, The MITRE Corporation, 620
Determination of C/A Code Self-Interference using Cross-Correlation Simulations and Receiver Bench Tests,
A.J. Van Dierendonck, AJ Systems; R. Erlandson, G. McGraw, Rockwell Collins; R. Coker, Pythagorean Development, Inc., 630
High-Fidelity Model Development for Navigation Warfare Simulation Studies,
S.N. Gouldsworthy, P.D. Groves, QinetiQ Ltd, UK; M. Wells, Roke Manor Research Ltd., UK, 643
A Comparison of Measured Jamming Mitigation Performance from Field Tests with Predictions from Hardware-Based CRPA Simulations and Analytic Simulations,
C. Behre, F. Ziolkowski, P. Grobert, J. Hvizd, Raytheon Electronic Systems, 655

SESSION C2: RECEIVER TECHNOLOGY 1
The "GPS Navigation Sensor System Approach" (GNSSA) Module: A High Performance GPS Receiver for All Aircraft Precision Approach Applications Including CAT-IIIb,
D. Domey, J.C. Lanoue, J. Studenny, CMC Electronics Inc., Canada, 667
SiGe BiCMOS Fabrication Promises Major Advantages for Embedded GPS Applications,
G Haynes, SiGe Semiconductor Inc., UK, 677
GPS Radio IP for Indoor Cellular Recievers,
P. Paddan, A. Dwyer, P. Naish, M. Norton, M. Phocas, J. Xing-You, Parthus Technologies, UK, 686
Post Processing Algorithms for Translator-Type GPS Receivers,
A.R. Pratt, D.J. Molyneux, Parthus Technologies Ltd., UK, 695
Testing of the ICESat BlackJack GPS Receiver Engineering Model,
J. Williams, E.G. Lightsey, S. Yoon, R.E. Schutz, Center for Space Research, The University of Texas at Austin, 703
GPS Baseband IP for Integrating into Car Navigation SOC,
W. Ito, A. Kume, K. Mino, AISIN AW Co., Ltd.; Y. Yokoi, T. Kawazoe, M. Hada, Y. Ogasa, M. Shoji, Japan Radio Co., Ltd.; S. Kojima, Hitachi Semiconductor and Divices Sales Co., Ltd.; Y. Okada, T. Oga, K. Koda, Hitachi, Ltd., 715
The Instrument on NASA's GRACE Mission: Augmentation of GPS to Achieve Unprecedented Gravity Field Measurements,
C. Dunn, W. Bertiger, G. Franklin, I. Harris, G. Kruizinga, T. Meehan, S. Nandi, D. Nguyen, T. Rogstad, J. Brooks Thomas, J. Tien, Jet Propulsion Laboratory, California Institute of Technology, 724
Radiation Test Results of Commersial GPS/GLONASS Receiver,
S. Filatchenkov, V. Kolokolov, V. Malashin, B. Shebshaevich, The Russian Institute of Radionavigation and Time; V. Branets, Rocket Space Corporation Energia, 731
An Optimized GPS Receiver Architecture for Intellectual Property and System on Chip (SoC) Integration,
J. Shewfelt, G. Turetzky, M. Chou, SiRF Technology, Inc., 739
Position Monitoring Terminal Built-in Network Assisted GPS using
DoCoMo Packet Exchange Network,
Y. Yokoi, Y. Kida, K. Hatanaka, A. Takai, T. Waki, A. Okuyama, A. Bandai, Japan Radio Co., Ltd., Japan; A. Mitamura, T. Momma, NTT DoCoMo, Inc., Japan, 744

SESSION D2: GNSS AUGMENTATION SYSTEMS 1
An Analysis of Satellite Integrity Monitoring Improvement for WAAS,
J.T. Wu, S. Peck, Raytheon, 756
An Application of Gaussian Overbounding for the WAAS Fault Free Error Analysis,
T.R. Schempp, A.L. Rubin, Raytheon Systems Company, 766
Methods for Improving WAAS Availability in Alaska,
D.G. O'Laughlin, E.Q. Calle, R.O. Lejeune, M.B. El-Arini, J.P. Fernow, J.K. Reagan, The MITRE Corporation, 773
GRAS Applications: EGNOS TRAN,
N. Gustavsson, Swedavia, Sweden; L. Martineau, Thales Air Traffic Management, France; A. Salonico, Telespazio, Italy, 782
Comparison of GEO and GPS Orbit Determination,
M. Grewal, California State University, Fullerton; E. Carolipio, M. Bailey, Raytheon Company, 790
A Simple Method of Signal Quality Monitoring for WAAS LNAV/VNAV,
P. Shloss, Raytheon Company; R.E. Phelts, T. Walter, P. Enge, Stanford University , 800
Considerations for Characterizing Antenna Induced Range Errors,
K. Shallberg, J. Grabowski, Zeta Associates Incorporated, 809
An Ionosphere Estimation Algorithm for WAAS Based on Kriging,
J. Blanch, Stanford University, 816

SESSION E2: NEW APPLICATIONS OF SATELLITE NAVIGATION
3-D Capabilities for GPS Transceiver Arrays,
M. Matsuoka, E.A. LeMaster, S.M. Rock, Stanford University, 824
GPS Corn Maze, A New Satellite Navigation Application,
F. Boynton, Navtech GPS Supply, 835
Multipath Mitigation in Various Environments for Blind Navigation,
M.A. Shah, Brunel University, UK, 841
The Use of Pseudolites to Augment GPS Data for Bridge Deflection Measurements,
X. Meng, G. Roberts, A. Dodson, E. Cosser, IESSG, University of Nottingham, UK, 851
The ESA SISNeT Technology: Real-Time Access to the EGNOS Services through Wireless Networks and the Internet,
F. Torán-Martí, J. Ventura-Traveset, European Space Agency, France; R. Chen, Finnish Geodetic Institute, Finland, 863
Overlay Video Display of Target Position Utilizing GPS, Compass, and Rangefinder Data,
M.D. La Rocque, 874
Position, Velocity, and Attitude Instrumentation of a Sport Parachute Jumper,
J.M. Strus, E.G. Blackwell, C.A. Gellrich, M.R. Kirkpatrick, J.W. Sinko, SRI International, 881
A Low Cost DGPS Navigation for Mobile Robots,
H. Irie, Yatsushiro National College of Technology, Japan 888
Intelligent Skyscraper Monitoring System Based on GPS and Optical Fibre Sensors,
L. Ge, X. Li, G-D. Peng, C. Rizos, University of New South Wales, Australia; Y. Ishikawa, Meteorological Research Institute, Japan 896

SESSION F2: CARRIER PHASE-BASED POSITIONING 1
On Ultrahigh-Precision GPS Positioning and Navigation,
D. Kim, R.B. Langley, University of New Brunswick, Canada, 904
Integrated Use of GPS and EGNOS Carrier Phase Observations for High Precision Kinematic Positioning,
K. Sauer, W.Y. Ochieng, Imperial College, UK, 914
Radiolocation using AM Broadcast Signals: Positioning Performance,
T.D. Hall, MIT Lincoln Laboratory, C.C. Counselman III, Massachusetts Institute of Technology; P.N. Misra, MIT Lincoln Laboratory, 921
Development and Testing of an Optimal Cascading Scheme to Resolve Multi Frequency Carrier Phase Ambiguities,
J. Liu, P. Alves, M.G. Petovello, G. MacGougan, L. deGroot, M.E. Cannon, G. Lachapelle, University of Calgary, Canada, 933
A Fast Ambiguity Resolution Technique for RTK Embedded within a GPS Receiver,
Y. Yang, R.T. Sharpe, R.R. Hatch, NavCom Technology, Inc., 945
The Impact of Unmodelled Multipath on Ambiguity Resolution,
P. Joosten, Delft University of Technology, The Netherlands; T. Pany, University of the Federal Armed Forces Munich, Germany; J. Winkel, IfEN GmbH, Germany, 953
Precise Acceleration Determination from Carrier Phase Measurements,
S. Kennedy, University of Calgary, Canada, 962
Rapid Ambiguity Resolution using Multipath Spatial Processing for High Accuracy Carrier Phase,
A. Brown, K. Stolk, NAVSYS Corporation, 973
Attaining Continuous Centimeter-Level Positioning on the Freeway in Combination with Error Detection,
J.W. Sinko, J.M. Strus, SRI International, 981

SESSION A3: AVIATION APPLICATIONS
A Formation Flight Experiment using Differential Carrier Phase for Precise Relative Navigation,
W.R. Williamson, M.F. Abdel-Hafez, I. Rhee, E.J. Song, J. Wolfe, D. Cooper, D.F. Chichka, J.L. Speyer, University of California, Los Angeles, 988
The Loran Integrity Performance Panel,
S. Lo, P. Enge, L. Boyce, Stanford University; B Peterson, Peterson Integrated Geopositioning; T. Gunther, B. Wenzel, Booz Allen Hamilton; K. Carroll, U.S. Coast Guard Loran Support Unit; K. Bridges, M. Narins, Federal Aviation Administration, 1002
LPV: New, Improved WAAS Instrument Approach,
H. Cabler, B. DeCleene, Federal Aviation Administration, 1013
The Use of Wavelets for Determining Wing Flexure in Airborne GPS Multi-Antenna Attitude Determination Systems,
M. Moore, The University of New South Wales, Australia, 1022
A 3-Dimensional Cockpit Display with Traffic and Terrain Information for the Small Aircraft Transportation System,
M. Uijt de Haag, R. Thomas, J. Rankin, Ohio University, 1030
Flight Testing of the D8PSK/TDMA Datalink Technology for the Ground-Based Regional Augmentation System,
W.S. Ely, K.W. McPherson, G.K. Crosby, J.M. Stewart, Airservices, Australia, 1038
Monitoring Sea Level Heights, Rise/Falling and Azimuth Angles of Flight of Aircrafts on the Basis of On-Board GPS Positioning and Geopotential Model EGM96,
Principles of Crew Warning of Artificial and Natural Obstacles, V. Vatrt, Military Topographic Institute, Czech Republic; V. Jonáš, Geospol Dobruška, Czech Republic, 1047

SESSION B3: ATTITUDE DETERMINATION SYSTEMS
LEO GPS Attitude Determination Algorithm Designed for Real-Time On-Board Execution,
P. Cross, M. Ziebart, University College London, UK, 1051
GPS Attitude Determination Reliability Performance Improvement using Low Cost Receivers,
C. Wang, G. Lachapelle, University of Calgary, Canada, 1064
An Inexpensive and Robust GPS/INS Attitude System for Automobiles,
S. Alban, Stanford University, 1075
Integer Ambiguity Resolution for Spacecraft Attitude Determination using GPS,
R. Lopes, National Institute for Space Research, Brazil, 1088
Precision Kinematic Alignment using a Low-Cost GPS/INS System,
A. Brown, D. Sullivan, NAVSYS Corporation, 1094
The Development and Simulation Results of a GPS Attitude Determination Algorithm,
N.P. Oliveira Leite, Instituto de Aeronáutica e Espaço, Brazil; F. Walter, Instituto Tecnológico de Aeronáutica, Brazil, 1100
Attitude Sensing using a GPS Antenna on a Turntable, Experimental Tests,
H. Jung, M.L. Psiaki, W.J. Scott, C.L. Boitnott, Cornell University, 1108
A Novel Quaternion Kalman Filter using GPS Measurements,
D. Choukroun, Israel Institute of Technology, 1117
Performance Improvement of the GPS Attitude Determination Receiver for the Unmanned Aero Vehicle,
S. Tae Kim, J. Ho Lee, Chungnam National University, Korea; S. Bo Son, Navicom Ltd., Korea; C. Park, Chungbuk National University, Korea; S. Jeong Lee, Chungnam National University, Korea, 1129

SESSION C3a: MEMS INERTIAL MEASURING UNITS
Error Analysis of Step Length Estimation in Pedestrian Dead Reckoning,
H. Leppäkoski, J. Käppi, Tampere University of Technology, Finland; J. Syrjärinne, Nokia Mobile Phones, Finland; J. Takala, Tampere University of Technology, Finland, 1136
Adaptive Kalman Filtering for Low Cost INS/GPS,
C. Hide, T. Moore, M. Smith, IESSG, The University of Nottingham, UK, 1143
Integration of Dead Reckoning Sensors with MEMS IMU,
E-K. Poh, A. Koh, Y. Xiaodong, B. Soon, DSO National Laboratories, Singapore, 1148
MEMS-IMU for Personal Postioning in a vehicle—A Gyro-Free Approach,
J. Collin, G. Lachapelle, University of Calgary, Canada, J. Kappi, Institute of Digital and Computer Systems, Tampere University of Technology, Finland, 1153
Error Analysis of Low-Cost MEMS-Based Accelerometers for Land Vehicle Navigation,
M. Park, Y. Gao, University of Calgary, Canada, 1162

SESSION C3b: TIME KEEPING & SYNCHRONIZATION
Time Transfer using GPSCP and TWSTT between CRL and TL,
H-M. Peng, C-S. Liao, Chunghwa, Telecom, Co., Ltd., Taiwan; M. Imae, Communications Research Laboratory, Japan, 1171
Two-Way Satellite Time Transfer to a Moving Platform,
E. Powers, U.S. Naval Observatory, J. Romberg, R. Griffin, Boeing; A. McKinley, U.S. Naval Observatory; D. Diener, H.A. Klotz, Jr., D. Wolters, Boeing, 1175
The Galileo Time Interface - Disseminating UTC to Users,
S. Basker, Independent Consultant, UK; J. Laverty, National Physical Laboratory, UK, 1185
Indoor GPS Disciplined Clock,
J.Y. Yu, Trimble Navigation Limited, 1195

SESSION D3: GNSS STATUS, OPERATION & CONTROL & SPECTRUM MANAGEMENT
GLONASS: The Next Generation?,
G.L. Cook, Sequoia Research Corporation, 1204
Incorporating End User Perspectives into GPS Requirements,
R. Conley, Overlook Systems Technologies, Inc., 1214
Increased Navigation Performance from GPS Block IIR,
W. Marquis, Lockheed Martin Space Systems Company, 1225
Innovative Ways of Supporting an Aging GPS Constellation,
D.A. Friedman, A.G. Werschky, 2nd Space Operations Squadron, Schriever AFB, CO, 1236
Methodologies for Assessing Intrasystem and Intersystem Interference to Satellite Navigation Systems,
A.J. Van Dierendonck, AJ Systems; C. Hegarty, The MITRE Corporation, 1241
Assessing Ultra Wide Band (UWB) Interference to GPS Receivers,
B.M. Titus, U.S. Air Force, GPS Joint Program Office; P.A. Dafesh, R. Wong, K.P. Maine, The Aerospace Corporation; T.A. Stansell, Jr., Stansell Consulting LLC, 1251
Assessing the Radio Frequency Compatibility Between GPS and Galileo,
J. Godet, J.C. de Mateo, P. Erhard, European Space Agency, France; O. Nouvel, M3Systems (under CNES Contract), 1260
The Impact of Linear and Non-Linear Signal Distortions on Galileo Code Tracking Accuracy,
M. Soellner, R. Kohl, W. Luetke, Astrium GmbH, Germany; Ph. Erhard, European Space Agency, 1270

SESSION E3: ATMOSPHERIC EFFECTS 1
An Assessment of the Current WAAS Ionospheric Correction Algorithm in the South American Region,
A. Komjathy, L. Sparks, T. Mannucci, X. Pi, NASA Jet Propulsion Laboratory, California Institute of Technology, 1286
Evaluation of EGNOS Ionospheric Correction Model Under Scintillation in Northern Europe,
T. Moore, M. Aquino, S. Waugh, A. Dodson, C. Hill, IESSG, The University of Nottingham, UK, 1297
Accuracy Analysis of a 3-D Ionospheric Tomography,
Z. Liu, Y. Gao, The University of Calgary, Canada, 1307
The Ionospheric Delay Effort for GPS Single-Frequency Users-Analysis Study for Simulation Purposes,
A. Farah, IESSG, The University of Nottingham, UK, 1313
Ionospheric Effects on Low-Latitude Space Based Augmentation Systems,
P.H. Doherty, Boston College; T. Dehel, FAA Technical Center; J.A. Klobuchar, Innovative Solution International, Inc.; S.H. Delay, S. Datta-Barua, Boston College; E.R. de Paula, F.S. Rodrigues, INPE, Brazil, 1321
Adequacy of the SBAS Ionospheric Grid Concept for Precision Approach in the Equatorial Region,
R. Lejeune, M.B. El-Arini, The MITRE/CAASD; J.A. Klobuchar, Innovative Solutions International, Inc.; P.H. Doherty, Boston College, 1330
Enabling GPS Technology on Equatorial Ionosphere Monitoring During Geomagnetic Storm of July 15-17, 2000,
A.F. Zain, Kolej Universiti Teknologi Tun Hussein Onn, Malaysia; Y.H. Ho, Universiti Kebangsaan Malaysia, Malaysia; M. Abdullah, The University of Leeds, UK, 1341
A Canadian Ionospheric Warning and Alert System,
M. El-Gizawy, S. Skone, University of Calgary, Canada, 1345

SESSION F3: CARRIER PHASE-BASED POSITIONING 2
Detection and Repair of Continuous Cycle Slips in GPS Carrier-Phase Data using QUAD Method,
B. Han, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, P. R. China, 1353
Efficient Transmission Technique of Compact RTK Correction Messages for Low-Rate RTK Data-Link),
C. Kee, J. Kim, Seoul National University, Korea, 1361
GPS Displacement Continuous Remote Monitoring System DANA-2000,
T. Masunari, K. Tanaka, Y. Takechi, Furuno Electric Co., Ltd., Japan; K. Fujiwara, Meteorological Research Institute of Japan Meteorological Agency; K. Tanaka, Japan Meteorological Agency, 1372
Geodesy Considerations for Precise Wide Area Differential Global Positioning Systems,
M.A.B. Jones, Fugro Survey Pty Ltd., Australia, 1380
Use of Self-Contained Ionospheric Modelling to Enhance Long Baseline Multiple Reference Station RTK Positioning,
P. Alves, G. Lachapelle, M.E. Cannon, University of Calgary, Canada; J. Park, P. Park, Korea Astronomy Observatory, South Korea, 1388
Virtual Reference Stations for Centimeter-Level Kinematic Positioning,
L. Wanninger, Ingenieurbüro Wanninger, Germany, 1400
Creating Virtual L2 GPS Data using a Combination of L1 Receivers and L1/L2 Reference Receivers,
G. Roberts, E. Cosser, X. Meng, A. Dodson, IESSG, University of Nottingham, UK, 1408
Rapid Mapping with Post-Processed Data from Garmin Handheld Receivers,
T. Moore, C.J. Hill, IESSG, The University of Nottingham, UK; M.E. Napier, IT Consultant, 1414
The Detection of Abandoned Mineshafts using GPS and Capacitively Coupled Resistivity Imaging,
K. Strange, G. Roberts, M. Waller, IESSG, University of Nottingham, UK, 1423

SESSION A4: MULTI-SENSOR INTEGRATED NAVIGATION SYSTEMS 2
Inertially Aided RTK Performance Evaluation,
B.M. Scherzinger, Applanix Corporation, Canada, 1429
Optimizing Smoothing Computation for Near Real-Time GPS Measurement Gap Filling in INS/GPS Systems,
E.H. Shin, N. El-Sheimy, The University of Calgary, Canada, 1434
GPS-Aided All-Accelerometer Inertial Navigation,
A.H. Zorn, Dynamics Research Corporation, 1442
Investigation into Performance Characteristics of Frequency Domain INS Calibration Procedure Under Noisy GPS Environments,
A. Soloviev, F. van Graas, Ohio University, 1454
GPS/Pseudolite/SDINS Integration Approach for Kinematic Applications,
H.K. Lee, The University of New South Wales, Australia, 1464
Different Algorithms for Bridging Kinematic DGPS Outages using SINS/DGPS Integration,
S. Nassar, University of Calgary, Canada, 1474
An Attitude Determination System with Enhanced TTFF and Settling Time,
S.B. Son, S. Moon, S.H. Lee, S.H. Kim, Navicom Co, Ltd., Korea; C. Park, Chungbuk National University, Korea; S.J. Lee, GNSS Technology Research Center, Chungnam National University, Korea, 1483
On the Observability of an Integrated GPS/INS During Maneuvers,
I. Rhee, Korea University of Technology and Education, Korea; M.F. Abdel-Hafez, J.L. Speyer, University of California-Los Angeles, 1489

SESSION B4: GPS MODERNIZATION
Signal-In-Space User Range Error Assessment via Combined Space and Ground-Based Measurement Data,
J.A. DiLellio, The Boeing Company, 1500
Near-Term Integrity Improvements for the GPS Operational Control Segment,
J.V. Langer, W.A. Feess, R.N. Haddad, M.D. Menn, X.T. Tran, The Aerospace Corporation; R.J. Lanahan, U.S. Air Force, Navstar GPS Joint Program Office, 1511
A Refinement to the World Geodetic System 1984 Referece Frame,
M.J. Merrigan, E.R. Swift, Naval Surface Warefare Center; R.F. Wong, J.T. Saffel, National Imagery and Mapping Agency, 1519
Implementation of the Inverted GPS Range for Modernized GPS Testing,
T. Land, B. Elrod, ITT Industries; B.L. Bracy, W. Mims, 746th Test Squadron Holloman AFB; A.J. Van Dierendonck, AJ Systems, 1530
A Software Receiver for GPS-IIF L5 Signal,
L. Ries, CNES; C. Macabiau, ENAC/TéSA; O.Nouvel, Q. Jeandel, W. Vigneau, M3Systems; V. Calmettes, Supaero/TéSA; JL. Issler, CNES, 1540
A New Class of Spreading Codes Exhibiting Low Cross-Correlation Properties,
A.R. Pratt, Orbstar Consultants, UK, 1554
Recommendations for a GPS III System Safety Program,
K.S. Sandhoo, MITRE/CAASD, 1565
User Range Error Evolution and Projected Performance,
Y. K. Chen, J-S. Chien, K. Ghassemi, T. Simundich, J. Taylor, N. Nyema, Boeing, 1575
GPS IIR-M: Modernizing the Signal-In-Space,
J.A. Rajan, J.A. Tracy, ITT Industries, 1585
GNSS Cost-Benefit Optimisation by its Integration with TDRSS and Using Innovative Minimax Estimate Approach,
V. Bobrov, Alenia Spazio, Italy, 1595

SESSION C4: RECEIVER TECHNOLOGY 2
Characterization of GPS Receivers for Mobile Systems,
S.J. Spiegel, A. Thiel, I. Kovacs, S. Nussbaumer, u-blox AG, Switzerland, 1604
A 7.5mA Single Package GPS Radio for Handheld Applications,
P. Orsatti, F. Piazza, NemeriX SA, Switzerland, 1608
Extended Multiple Correlator for GPS Receivers,
H.S. Seo, I.H. Choi, Chungnam National University, Navicom Co. Ltd., Korea; J.P. Gwak, Navicom Co., Ltd., Korea; D.H. Hwang, S.J. Lee, Chungnam National University, Korea, 1612
The "Digital Indirectly Compensated Crystal Oscillator" (DICXO); A High-Performance Clock for Aircraft Landing Applications,
D. Domey, J.C. Lanoue, J. Studenny, CMC Electronics Inc., Canada, 1619
Characterization of L5 Receiver Performance using Digital Pulse Blanking,
J. Grabowski, Zeta Associates Incorporated; C. Hegarty, MITRE Corporation, 1630
Effect of Linear Time-Invariant Distortions on RNSS Code Tracking Accuracy,
J.W. Betz, The MITRE Corporation, 1636
A High Performance GPS Solution for Mobile Use,
K. Tanaka, T. Muto, K. Hori, M. Wakamori, K. Teranishi, H. Takahashi, M. Sawada, M. Ronning, Sony Corporation, Japan, 1648
Vespucci - A GPS Chip for Telematics and Road Tolling,
P.G. Mattos, ST Microelectronics, UK, 1656
Sensitivity Limit of a Stand-Alone GPS Receiver and an Acquisition Method,
D.M. Lin, J.B.Y. Tsui, L.L. Liou, Air Force Research Laboratory, Wright Patterson Air Force Base; Y.T. Jade Morton, Miami University, 1663
A Comparison of Low Cost WAAS Sensors as Airborne Navigation PVT Sources,
W. Ross, J. Fagan, University of Oklahoma, 1668
Ensuring Excellent Quality in High Volume Low Cost GPS Receivers Modules,
G.A. zur Bonsen, A. Thiel, D. Ammann, J.-P. Wyss, u-blox AG, Switzerland, 1679

SESSION D4: GNSS AUGMENTATION SYSTEMS 2
Experiments of Inverted Pseudolite Positioning for Airship-Based GPS Augmentation System,
T. Tsujii, M. Harigae, National Aerospace Laboratory of Japan; J. Barnes, J. Wang, C. Rizos, University of New South Wales, Australia, 1689
MSAS Flight Test and its Progress,
K. Matsunaga, K. Hoshinoo, M. Ito, N. Arai, Electronic Navigation Research Institute; J. Imamura, Japanese Civil Aviation Bureau; T. Hashimoto, M. Kawai, ; Furuno Electric Co., Ltd., K. Ikegami, N. Hiroe, NEC Corporation, Japan, 1696
Galileo Augmentations for Precise Positioning Applications,
R. Jones, I. Casewell, G. Morgan-Owen, Thales Navigation Ltd., UK; A. Whitelaw, ESYS plc, UK, 1704
Performance Evaluation of Several Wide-Area GPS Services,
M.E. Cannon, S. Skone, Y. Gao, Y. Moon, K. Chen, S. Crawford, G. Lachapelle, University of Calgary, Canada, 1716
EGNOS Performances at System CDR,
S. Lannelongue, JC. Levy, X. Derambure, H. Delfour, D. Flament, JM. Pieplu, Alcatel Space Industries, France, 1727
EGNOS CPF Check Set – Stand Alone Performance,
R. Wolf, U. Rossbach, W. Werner, IfEN GmbH, Germany; S. Lannelongue, J. Michelon, Alcatel Space Industries, France; P. Thomas, Logica Ltd., UK, 1736
Potential Benefits and Risks of Co-Locating DGPS with Loran-C,
C.A. Treib, M.W. Parsons, E. Shofner, U.S. Coast Guard Command and Control Engineering Center; M.E. McKaughan, U.S. Coast Guard Academy, 1746
Extended Range Eurofix: A Robust 2,000 km Range Data Link for EGNOS/WAAS Integrity Messages over the Polar Region,
D. van Willigen, A.W.S. Helwig, G.W.A. Offermans, R. Kellenbach, W.J. Pelgrum, Reelektronika b.v., The Netherlands, 1752

SESSION E4: LAND APPLICATIONS
The Landslide Monitoring System by GPS,
Y. Watanabe, M. Genda, T. Fujise, K. Yui, Japan Radio Co., Ltd., Japan, 1759
High Accuracy, Low Cost Integrated Positioning System for the Toronto Transit System,
M.A. El-Gelil, A. El-Rabbany, Ryerson University, Canada, 1766
New Systems for Telematic Applications in Railway Traffic,
S. Bedrich, N. Lemke, S. Müncheberg, Kayser-Threde GmbH, Germany, 1771
The Development of a GPS/Pseudolite Positioning System for Vehicle Tracking at BHP Steel, Port Kembla Steelworks,
J. Barnes, C. Rizos, J. Wang, University of New South Wales, Australia; T. Nunan, C. Reid, BHP Steel, Port Kembla Steelworks, Australia, 1779
Improving KGPS/INS Performance and Reliability for Safety Applications with Vehicle Dynamic Constraints,
J. Wang, C. Wilson, DaimlerChrysler Research and Technology Center North America Inc., 1790
The Canada-Wide Differential GPS (CDGPS) Service: New Infrastructure Launched for GPS-Based Geo-Referencing and Navigation,
A. Kassam, Base Mapping and Geomatic Services Branch, Ministry of Sustainable Resource Management, Canada; B. Hlasny, V. Vogt, Base Mapping and Geomatic Services Branch; K. Lochhead, Geodetic Survey Division, Geomatics, Canada; G. Panther, Mobile Knowledge Inc., Canada; M. Carter, M.A. Carter and Associates, Canada, 1798
High Efficiency Road Status Monitoring System,
T. Cunha, P. Tome, GEONAV, Ltd., Portugal; S. Cunha, University of Porto, Portugal, 1806
Construction Plant Control using RTK GPS: Case Study,
G. Roberts, O. Ogundipe, A. Dodson, IESSG, University of Nottingham, UK, 1813
New Developments in River Level Monitoring using GPS Heighting,
T. Moore, G. Roberts, T. Veneboer, M. Pattinson, IESSG, The University of Nottingham, UK; G. Close, Science Systems (Space) Ltd., UK; R. Moore, Centre for Ecology and Hydrology, UK, 1819
From Satellite to Silo: Precision Agriculture with EGNOS,
S. Basker, Independent Consultant, UK; J. Ventura-Traveset, European Space Agency; France, 1827

SESSION F4: ALGORITHMS & METHODS 2
Stochastic Modelling, GPS Integrity & Filtering A Comparison of Stochastic Models for GPS Single Differential Kinematic Positioning,
X. Liu, Delft University of Technology, The Netherlands, 1830
Kinematic Carrier Phase Differential GPS Positioning by Appyling the H-Filter,
S. Maruo, Titsumeikan University; Y. Kubo, Mitsubishi Electric Industrial Co., Ltd, Japan; C. Uratani, R. Hata, S. Sugimoto, Ritsumeikan University, Japan, 1842
NovAtel Inc. New Positioning Filter: Phase Smoothing in the Position Domain,
T. Ford, J. Hamilton, NovAtel Inc., Canada, 1850
Filtering Errors in LEO Trajectories Obtained by Kinematic GPS with Floated Ambiguities,
O.L. Colombo, GEST/NASA, Goddard Space Flight Center; S.B. Luthcke, D.D. Rowlands, NASA Goddard Space Flight Center; D. Chin, S. Poulouse, Raytheon ITSS, 1863
Applying Multipath Template Technique to Improve the Real-Time Ionospheric Delay Estimation Accuracy,
L-S. Lin, National Chengchi University, Taiwan, 1872
Statistical Analysis of Different RAIM Schemes,
I. Nikiforov, Universite de Technologie de Troyes, France; B. Roturier, STNA/3EN - GNSS, France, 1881
Analyzing the Performance Characteristics of a Precise Point Positioning System,
M. Abdel-Salam, Y. Gao, X. Shen, The University of Calgary, Canada, 1893
Algorithm Considerations for GPS Meteorology in a Military Environment,
D.A. Garay, J.F. Raquet, M.M. Miller, Air Force Institute of Technology, 1900

SESSION A5: PRECISION LANDING APPLICATIONS
Sensitivity Analysis of the JPALS Shipboard Relative GPS Measurement Quality Monitor,
M. Koenig, D. Gebre-Egziabher, S. Pullen, U-S. Kim, P. Enge, Stanford University; B.S. Pervan, F.C. Chan, Illinois Institute of Technology; G. Colby, Naval Air Systems Command, 1910
Global Positioning System/Wide Area Augmentation System Sikorsky (N38) Helicopter Final Approach Error Analysis,
D.P. Stapleton, Innovative Solutions International, Mike Monroney Aeronautical Center, 1917
Availability Requirements for Local Area Augmentation System (LAAS),
T. Urda, Federal Aviation Administration; N.G. Mathur, Advanced Management Technologies Incorporated / FAA, 1924
LAAS Ground Facility Design Improvements to Meet Proposed Requirements for Category II/III Operations,
S. Pullen, M. Luo, G. Xie, J. Lee, R.E. Phelts, D. Akos, P. Enge, Stanford University, 1934
Multi-Antenna GPS Reception with Vehicle Flexure,
I.S. Ahn, Bradley University; J. Sennott, Tracking and Imaging Systems Inc., 1948
A Simulation Tool to Evaluate the Aircraft Landing Performance of a Satellite-Based Landing System,
F. Liu, M. Elgersma, P. Kline, M. Brenner, M. Jeerage, Honeywell International, 1956
A Preliminary Comparison between WAAS and LAAS Flight Test Results During Cat 1 Instrument Approaches to Landing using Cat A, B, and C Aircraft,
J. Fagan, W. Ross, University of Oklahoma; B. Billman, FAATC; R. Sexton, ISI; G. McCartor, FAA-AFS-420, 1966
Autonomous Landing Using Carrier-Phase GPS/IMU Fused Instrumentation System,
S.H. Chan, M.J. Stolarczyk, M.F. Abdel-Hafez, W.R. Williamson, I. Rhee, J.L. Speyer, University of California, Los Angeles, 1975
Derivation of CNS/ATM System Requirements for the JPALS Shipboard Relative GPS System,
D. King, J. Hansen, D. Rudy, Sierra Nevada Corporation, F. Allen, Naval Air Systems Command, 1985

SESSION B5: SPACE APPLICATIONS 2
Toward Decimeter-Level Real-Time Orbit Determination: A Demonstration using the SAC-C and CHAMP Spacecraft,
A. Reichert, T. Meehan, T. Munson, Jet Propulsion Laboratory, 1996
Robust Estimation Techniques for Onboard Spacecraft Orbit Determination with GPS Observations,
N. Zhou, Y. Feng, W. Enderle, Australian Cooperative Research Centre for Satellite Systems, University of Technology, Australia, 2004
Initial Orbit Determination Results for Jason-1: Towards a 1-cm Orbit,
B. Haines, W. Bertiger, S. Desai, D. Kuang, T. Munson, L. Young, P. Willis, Jet Propulsion Laboratory, California Institute of Technology, 2011
GRACE: Millimeters and Microns in Orbit,
W. Bertiger, Y. Bar-Sever, S. Desai, C. Dunn, B. Haines, G. Kruizinga, D. Kuang, S. Nandi, L. Romans, M. Watkins, and S. Wu, Jet Propulsion Laboratory, California Institute of Technology; S. Bettadpur, Center for Space Research, 2022
Performance of the Flexible Inertial Relative Estimator (FIRE) for Terrestrial and On-Orbit Relative Navigation,
K.W. Key, S. Vitalpur, Titan Systems Corporation, 2030
Precise Spacecraft Relative Navigation using Kinematic Inter-Spacecraft State Estimates,
T. Ebinuma, The University of Texas at Austin; O. Montenbruck, Deutsches Zentrum für Luft- und Raumfahrt, Germany; E.G. Lightsey, The University of Texas at Austin, 2038
Demonstration of Adaptive Extended Kalman Filter for Low Earth Orbit Formation Estimation using CDGPS,
F.D. Busse, Stanford University; J.P. How, MIT; J. Simpson, NASA Goddard Space Flight Center, 2047
Applying GPS to a Constellation of Disaster Monitoring Satellites,
S. Gleason, M. Unwin, Y. Hashida, Surrey Satellite Technology Ltd., UK; M. Adjrad, Centre National des Techniques Spatiales, Algeria, 2059
Precise Position Determination in Space with GPS,
D. Grejner-Brzezinska, The Ohio State University; J. Kwon, Sejong University, Korea; T-S. Bae, C-K. Hong, The Ohio State University, 2066

SESSION C5: ANTENNA TECHNOLOGY
A New GPS Microstrip Antenna with Low Susceptibility to Multipath Interference,
L.I. Basilio, J.T. Williams, D.R. Jackson, University of Houston, 2074
The LAAS Integrated Multipath Limiting Antenna (IMLA),
D.B. Thornberg, D.S. Thornberg, dB Systems Inc.; M.F. DiBenedetto, M.S. Braasch, F. van Graas, C. Bartone, Ohio University, 2082
Miniaturization of L1/L2 Anti-Jam GPS Antenna Array,
Z-B. Lin, R. Castillo, J. J-Q. Lin, S. Robin, Sensor Systems, Inc., 2093
Multipath Characteristics of GPS Signals as Determined from the Antenna and Multipath Calibration System,
K-D. Park, Harvard-Smithsonian Center for Astrophysics/Korea Astronomy Observatory, South Korea; J.L. Davis, Harvard-Smithsonian Center for Astrophysics; P.O.J. Jarlemark, Harvard-Smithsonian Center for Astrophysics/Swedish National Testing and Research Institute, Sweden; P. Elosegui, J.E. Normandeau, Harvard-Smithsonian Center for Astrophysics; B.E. Corey, A.E. Niell, MIT Haystack Observatory; C.E. Meertens, V.A. Andreatta, UCAR/UNAVCO, Sweden, 2103
Design and Simulation, and Testing of a Miniaturized GPS Dual-Frequency (L1/L2) Antenna Array,
H. Ly, Naval Research Laboratory; P. Eyring, E. Traum, EDO Corporation; H-W. Tseng, K. Stolk, R. Kurtz, A. Brown, NAVSYS Corporation; D. Nathans,
E. Wong, SPAWAR Systems Center San Diego, 2111
Defining an Effective Point of Radiation for a Microstrip Patch Antenna,
L.I. Basilio, J.T. Williams, D.R. Jackson, University of Houston, 2120
Multiple Level Integrity Monitoring in Assisted GPS,
H. Sairo, Tampere University of Technology, Finland; J. Syrjärinne, Nokia Mobile Phones, Finland; J. Takala, Tampere University of Technology, Finland, 2129

SESSION D5: GALILEO DESIGN AND PERFORMANCES
Galileo Ground Segment for Navigation and Integrity,
M. Lugert, M. Falcone, P. Claes, A. Castro, S. Matussi, J-A. Martinez-Rosique, M. Manteiga, D. D. Blonski, ESA Galileo Project Office, ESTEC Noordwijk, The Netherlands, 2135
The Galileo System Test Bed for Early Prototyping and Experimentation of Galileo Algorithms,
M. Falcone, F. Amarillo-Fernandez, J. Hahn, H. Favin-Leveque, ESA ESTEC, Noordwijk, The Netherlands, 2148
A Study of Galileo Performance - GPS Interoperability and Discriminators for Urban and Indoor Environments,
M. O'Donnell, T. Watson, Astrium Ltd., UK; J. Fisher, S. Simpson, Roke Manor Research Ltd., UK; G. Brodin, E. Bryant, D. Walsh, University of Leeds, UK, 2160
SISA Computation Algorithms and their Applicability for Galileo Integrity,
C. Hernández Medel, L. Perea i Virgili, A. Mozo García, J.R. Martín Piedelobo, M.M. Romay Merino, GMV SA, Spain, 2173
Galileo Integrity Performance Assessment Results and Recommendations,
W. Werner, T. Zink, IfEN GmbH, Germany; J. Hahn, European Space Agency, The Netherlands, 2185
Analysis of L5/E5 Acquisition, Tracking and Data Demodulation Thresholds,
F. Bastide, ENAC/TeSA, France; O. Julien, University of Calgary, Canada; C. Macabiau, ENAC, France; B. Roturier, STNA, 2196
Performance Analysis of GPS, Galileo and Integrated GPS-Galileo,
S. Verhagen, Delft University of Technology, The Netherlands, 2208
Experimental Assessment of Galileo Clocks Performance in Space,
C. Bourga, B. Lobert, Alcatel Space Industries, France; M. Brunet, CNES, France 2216
A Software Simulation Tool for GNSS2 BOC Signals Analysis,
L. Ries, L. Lestarquit, E. Armengou-Miret, CNES; F. Legrand, W. Vigneau, M3Systems; C. Bourga, Alcatel Space Industries; P. Erhard, ESA; JL. Issler, CNESS 2225
A Joint Time Multiplex Receiver for UMTS and Galileo,
R. Bischoff, University of Paderborn, Germany; G. Heinrichs, IfEN GmbH, Germany; R. Häb-Umbach, University of Paderborn, Germany, 2240

SESSION E5: ATMOSPHERIC EFFECTS 2
An Impact of High Ionospheric Activity on MultiRef RTK Network Performance in Japan,
I. Petrovski, S. Kawaguchi, H. Torimoto, GNSS Technologies Inc./DX Antenna Co.Ltd., Japan; B. Townsend, Forgis Technologies, Inc., Canada; S. Hatsumoto, K. Fujii, Hitachi Ltd., Japan, 2247
Improvements to the WAAS Ionospheric Algorithms,
E. Altshuler, D. Cormier, H. Go, Raytheon Company, 2256
Coastal Sea State Measurements using GPS Reflected Signals from an Airborne Platform,
E. Cardellach, J.M. Aparicio, D. Pino, J. Torrobella, A. Rius, 2262
The LAGRANGE Radio-Occultation Receiver: Signal Modelling and Tracking Algorithms Simulation,
A. Di Cintio, E. Banfi, L. Martinelli, S. Monti, Laben S.p.A., Italy, 2266
Limits on Tropospheric Corrections from Natural Variations,
J.R. Clynch, K.L. Davidson, Naval Postgraduate School, 2278
Numerical Weather Predictions for Kinematic GPS Positioning,
A.B.O. Jensen, National Survey and Cadastre, Denmark, 2285
Tropospheric Delay Estimation from a Moving GPS Receiver,
M. Pattinson, A. Dodson, T. Moore, IESSG,The University of Nottingham, UK, 2294
Estimating Local Ionosphere Parameters in Norway,
N. Kjorsvik, O. Ovstedal, J. G. Svendsen, Agricultural University, Norway, 2304

SESSION F5: NETWORK-BASED TECHNIQUES FOR RTK APPLICATIONS
Establishing a Network RTK Solution in Great Britain; From Schema to Solution,
I. Wilson, P. Cruddace, G. Pennington, M. Greaves, C. Fane, Ordnance Survey Great Britain; H-J. Euler, R. Keenan, Leica Geosystems AG, Switzerland; M. Levine, The Severn Partnership, Great Britain, 2311
Investigations on the Use of Numerical Weather Predictions, Ray Tracing, and Tropospheric Mapping Functions for Network RTK,
A.B.O. Jensen, University of Copenhagen, Denmark, 2324
Multi-Reference GPS Network for the Nationwide RTK Service in Korea,
J.U. Park, J.H. Joh, H.C. Lim, P.H. Park, Korea Astronomy Observatory; B.H. Choi, S.W. Lee, Munhwa Broadcasting Co. Ltd.; B. Townsend, Forgis Technologies Inc.; M.E. Cannon, G. Lachapelle, University of Calgary, Canada, 2334
Using Interpolation and Extrapolation Techniques to Yield High Data Rates and Ionosphere Delay Estimates from Continuously Operating GPS Networks,
G.L. Mader, M.L. Morrison, National Geodetic Survey NOS/NOAA, 2342
Comparison of Different Proposals for Reference Station Network Information Distribution Formats,
H-J. Euler, B.E. Zebhauser, Leica Geosystems AG, Switzerland; B.R. Townsend, Forgis Technologies Inc., Canada; G. Wuebbena, Geo++ GmbH, Germany, 2349
Optimizing the Use of GPS Multi-Reference Stations for Kinematic Positioning,
L.P. Fortes, The University of Calgary, Canada, 2359
Texas Department of Transportation, Dallas District Differential Global Positioning System Real-Time Spatial Reference Frame Network,
S.D. Lyle, Texas A&M University-Corpus Christi; L. Wall, The Dallas District Texas Department of Transportation, 2373
Broadcast Network RTK - Transmission Standards and Results,
N. Talbot, G. Lu, T. Allison, Trimble Navigation; U. Vollath, Trimble-TerraSat, Germany, 2379

SESSION A6: MULTI-SENSOR INTEGRATED NAVIGATION SYSTEMS 3
Design of a Hybrid and Flexible Height Reference System for Flight Inspection,
D. Gondy, Aerodata AG, Germany; J.F. Wagner, Technical University of Hamburg-Harburg, Germany, 2388
Robust GPS/INS Integrated System in Urban Region: GPS/INS/Pseudolite Integration,
Y. Yi, The Ohio State University, 2396
Tightly Coupled GPS and Dead-Reckoning Navigation for Fleet Management Applications,
S. Cunha, L. Bastos, T. Cunha, Porto University, Portugal ;P. Tomé, GEONAV, Ltd., Portugal, 2406
Vehicles Modeling and Multi-Sensor Smoothing Techniques for Post-Processed Vehicles Localisation,
D. Bétaille, Laboratoire Central des Ponts et Chaussées, France; P. Bonnifait, Université de Technologie de Compiègne, France, 2412
Modern Remote Sensing Techniques Supporting Traffic Flow Estimates,
D. Grejner-Brzezinska, C. Toth, The Ohio State University, 2423
Train and Cargo Monitoring and Control with a "RadioCompass",
N. Lemke, S. Bedrich, Kayser-Threde GmbH, Germany; T. Luck, B. Eissfeller, IfEN, University FAF Munich, Germany, 2434
Evaluation of Coupled GPS/INS Integration using Software GPS Receiver Model,
E-K. Poh, A. Koh, G. Wong, DSO National Laboratories, Singapore, 2443

SESSION B6: MILITARY APPLICATIONS
Critical Role of a GPS and Radar Aided Inertial Navigation System to a Successful Exo-Atmospheric Intercept of a Ballistic Missile,
J.L. Anders, C. Johnson, A.M. Luckau, T.A. Moore, R.S. Ornedo, Raytheon Electronic Systems, 2451
Instrumentation of Paratroopers and Large Parachute Pallet Loads,
J.M. Strus, E.G. Blackwell, C.A. Gellrich, M.R. Kirkpatrick, J.W. Sinko, SRI International, 2457
Horizontal Geolocation of Short-Duration Ground Events from an Aircraft,
A.G. Evans, J.B. Wedding, B.R. Hermann, J.P. Cunningham, U.V. Bhapkar, A.W. Sutter, C.S. Law, Naval Surface Warfare Center, Dahlgren Division; J.P. Dugan, Areté Associates, 2466
Real-Time Dual Frequency Software GPS Receiver,
A. Jovancevic, A. Brown, S. Ganguly, M. Kirchner, S. Zigic, Center for Remote Sensing, Inc., 2471
SAASM Upgrades to Missiles and Bombs Drives Need to Upgrade Aircraft,
W. Caldwell, Rockwell Collins, 2483
Military GPS Avionics Receivers for Civil Air Space Operations,
A. Edwards, P. Braisted, Trimble Navigation Limited, 2486
The International GMLRS Development Program - A GPS/INS Application to Extend the Range and Effectiveness of the Basic Multiple Launch Rocket System (MLRS),
B. King, Lockheed Martin Missiles and Fire Control; C. Eckert, Honeywell Core Avionics Group; R. Minor, Rockwell Collins Government Systems, 2498

SESSION C6: RECEIVER TECHNOLOGY 3
Integration of Galileo and UMTS Services using a Software Radio Based Receiver,
M. Musso, M. Guainazzo, G. Gera, C.S. Regazzoni, University of Genoa, Italy, 2509
Fine Frequency Resolving Acquisition Methods for GPS Receivers,
D. Akopian, H. Valio, S. Turunen, Nokia Mobile Phones, Finland, 2515
OpenSource GPS: Open Source Software for Learning about GPS,
C. Kelley, University of Southern California; J. Barnes, University of New South Wales; J. Cheng, University of California Riverside, 2524
A Weak Signal Tracking Technique for a Stand-Alone Software GPS Receiver,
D.M. Lin, J.B.Y. Tsui, U.S. Air Force, 2534
Extended Kalman Filter Methods for Tracking Weak GPS Signals,
M.L. Psiaki, H. Jung, Cornell University, 2539
A High-Performance Real-Time GNSS Software Receiver and its Role in Evaluating Various Commercial Front End ASICs,
J. Thor, EISLAB, Luleå University of Technology, Sweden; P-L. Normark, C. Ståhlberg, NordNav Technologies, Sweden, 2554
Real-Time Software GPS Receiver,
J.J. Schamus, Veridian Engineering; J.B.Y. Tsui, D.M. Lin, AFRL/SNRW, Wright-Patterson AFB, 2561
SDR Technology Applied to Galileo Receivers,
F. Dovis, A. Gramazio, P. Mulassano, Politecnico di Torino, Signal Analysis and Simulation Group, Italy, 2566

SESSION D6: GNSS AUGMENTATION SYSTEMS 3
Analysis of a Three-Frequency GPS/WAAS Receiver to Land an Airplane,
S.S. Jan, Stanford University, 2576
Fault Detection and Isolation in High-Sensitivity Assisted GPS,
H. Kuusniemi, H. Leppäkoski, J. Syrjärinne, Nokia Mobile Phones, Finland; J. Takala, Tampere University of Technology, Finland, 2587
The Integrity Monitor Testbed and Multipath Limiting Antenna Test Results,
P.L. Normark, D.M. Akos, G. Xie, S. Pullen, M. Luo, P. Enge, Stanford University, 2596
Integrity Measure for Assisted GPS based on Weighted Dilution of Precision,
H. Sairo, Tampere University of Technology, Finland; J. Syrjärinne, Nokia Mobile Phones, Finland; H. Leppäkoski, Tampere University of Technology, Finland; J. Takala, Tampere University of Technology, Finland, 2602
Analysis of Pseudolite Augmentation for GPS Airborne Applications,
H.K. Lee, J. Wang, C. Rizos, J. Barnes, University of New South Wales, Australia; T. Tsujii, National Aerospace Laboratory, Japan; B.K.H. Soon, DSO National Laboratories, Singapore, 2610
GNSS/IRS Hybridization: Fault Detection and Isolation of More than One Range Failure,
A.C. Escher, C. Macabiau, ENAC, France; N. Martin, Thales-Avionics, France; B. Roturier, STNA, France; V. Vogel, ENAC, France, 2619
The Synergistic CORS Program Continues to Evolve,
R. Snay, G. Adams, M. Chin, S. Frakes, T. Soler, N. Weston, National Geodetic Survey, 2630
Statistical Model to Minimize the GPS System Errors: A Tool to Support DGPS/GBAS,
L.C. Laureano da Rosa, D.R. Méndez Castillo, F. Walter, Instituto Tecnológico de Aeronáutica, Brazil, 2640
Getting EGNOS Ready for Initial Operations,
J-Y. Schneider, C. Ruf, P. Rosenthal, Thales ATM; B. Charlot, M. Lemaire, Alcatel Space Industries; A. Fromberg, European Space Agency, 2648

SESSION E6: MARINE APPLICATIONS & TOOLS
Marine Radiobeacon DGNSS Service - Predicting Availability and Continuity,
A. Grant, D. Last, University of Wales, UK; N. Ward, Trinity House Lighthouse Service, UK, 2657
Fault Detection Methods and Testing for Marine GPS Receivers,
G. MacGougan, J. Liu, University of Calgary, Canada, 2668
An Empirical Comparison Between Absolute Satellite Positioning Methods and Differential Methods in a Maritime Environment,
O. Ovstedal, Agricultural University of Norway; A.E. Ofstad, K-T. Haustveit, Hydrographic Service, Norwegian Mapping Authority; O. Kristiansen, Geodetic Institute, Norwegian Mapping Authority, 2679
GPS for Maritime Transponders: "The Standards Versus Market Forces",
G. Gillow, P. Geiser, D. English, ARINC Engineering Services, LLC, 2688
Optimising Availability and Continuity of the Portuguese DGPS Network,
T. Moore, C. Hill, IESSG, The University of Nottingham, UK; L. S. Monteiro, IESSG, The University of Nottingham, UK and Portuguese Hydrographic Office, 2696
Thales Navigation's New Integrated Marine Solution Offering LRK® Positioning and Accurate Heading Determination: Technique, Field Results and Applications,
P. Lutz, R. Gounon, J-C. Pascal, O. Casabianca, THALES Navigation, France, 2703
An Application of Wide-Lane to Long Baseline GPS Measurements (2),
H. Isshiki, Institute of Mathematical Analysis, Japan, 2713
Enhanced Accuracy by Regional Operation of Europe's New Radiobeacon Differential System,
D. Last, A. Grant, A. Williams, University of Wales, UK; N. Ward, Trinity House Lighthouse Service, UK, 2723
GPS Wave Observation System with Arrayed Buoys,
H. Fujii, Oshima National College of Maritime Technology, Japan; N. Kouguchi, H. Ishida, Maritime University of Kobe, Japan; I. Deguchi, Osaka University, Japan, 2733

SESSION F6: ALGORITHMS & METHODS 3: ERROR MODELLING AND AMBIGUITY RESOLUTION
GPS Position Can Be Computed Without the Navigation Data,
N. Sirola, Tampere University of Technology, Finland; J. Syrjärinne, Nokia Mobile Phones, Finland, 2741
Modified Observation Model and Design Computations for Positioning with GPS and Pseudolites,
S.Verhagen, Delft University of Technology, The Netherlands, 2745
Impact of Real-Time Ionospheric Determination on Improving Precise Navigation with Galileo and Next-Generation GPS,
M. Hernández-Pajares, J.M. Juan, J. Sanz, Research Group of Astronomy and Geomatics, gAGE/UPC, Spain; O.L. Colombo, GEST/NASA GSFC, 2756
An Optimum Recursive Filter with Integer States (ORFIS) for Relative Navigation with GPS Accumulated-Phase Measurements,
D.B. Cox, Jr., DBC Communications, Inc.; J.D.W. Brading, Brading Systems and Technology, 2768
Network RTK Versus Single Base RTK - Understanding the Error Characteristics,
U. Vollath, H. Landau, X. Chen, K. Doucet, C. Pagels, Trimble Terrasat GmbH, Germany, 2774
RTK for Instant Multibase/Network Solutions,
L. Rapoport, A. Zinoviev, N. Gaidarenko, G. Gaidarenko, A. Kutuzov, Topcon Positioning Systems, 2782
A Methodology for Reducing the Admissible Hypotheses for GPS Integer Ambiguity Resolution,
M.F. Abdel-Hafez, University of California, Los Angeles; Y.J. Lee, Konkuk University, Korea; W.R. Williamson, J.D. Wolfe, J.L. Speyer, University of California, Los Angeles, 2788
A Comparison of TCAR, CIR and LAMBDA GNSS Ambiguity Resolution,
P. Teunissen, P. Joosten, C. Tiberius, Delft University of Technology, The Netherlands , 2799
Variance Component Estimation to Facilitate GPS Ambiguity Resolution,
J. Wu, C.M. Tsai, Center for Space and Remote Sensing Research National Central University, Taiwan, 2809