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ION Proceedings


ION GPS/GNSS 2003


September 9-12, 2003
Oregon Convention Center - Portland, Oregon

TABLE OF CONTENTS


SESSION A1: GROUND BASED AUGMENTATION SYSTEMS

A1: Marine Applications and Tools
Engineering the Ideal Medium Frequency Datalink for NDGPS Application,
C.A. Treib, M.W. Parsons, D.E. Shofner, D.B. Wolfe, USCG C2CEN, 1
Evaluation of Commercial Carrier-Phase-Based WADGPS Services for Marine Applications,
S. Bisnath, D. Wells, D. Dodd, The University of Southern Mississippi, 17
Experimental Verification of Internet-Based Global Differential GPS,
M.O. Kechine, C.C.J.M. Tiberius, H. van der Marel, Delft University of Technology, The Netherlands, 28
Analysis of Maritime DGPS Positioning Accuracy at Sea,
L.S. Monteiro, The University of Nottingham & Portuguese Hydrographic Office; P.R. Marreiros, Portuguese Hydrographic Office, 38
Engineering the USCG Differential System for Sub-meter Performance,
M. Parsons, A. Cleveland, C. Treib, D. Wolfe, U.S.Coast Guard, Command and Control Engineering Center, 45
Development of an Operational RTK GPS-Equipped Buoy for Water Level Recovery,
S. Bisnath, D. Wells, S. Howden, D. Dodd, D. Wiesenburg, The University of Southern Mississippi; G. Stone, Louisiana State University, 59
Application of Heading Determination Systems for Modern Harbor Piloting: "The Advantage of Portable Systems",
G. Gillow, D. English, ARINC Engineering Services, LLC; T. Jacobsen, V. Schisler, Jacobsen Pilot Service, 67
Development and Experimental Results of GPS Wave Direction Finding System,
H. Fujii, Oshima National College of Maritime Technology, Japan; N. Kouguchi, H. Ishida, Maritime University of Kobe, Japan; I. Deguchi, Osaka University, Japan, 75
Fault Detection and Isolation Using Satellite Geometry in RAIM,
J. Chey, J.G. Lee, Seoul National University, South Korea; G-I. Jee, Konkuk University, South Korea, 84

B1: Receiver Technology 1
Design and Practical Implementation of Multi-Frequency RF Front Ends Using Direct RF Sampling,

M.L. Psiaki, S.P. Powell, H. Jung, P.M. Kintner, Jr., Cornell University, 90
Performance Assessment of an Under-Sampling SWC Receiver for Simulated High-Bandwidth GPS/Galileo Signals and Real Signals,
T. Pany, S.W. Moon, M. Irsigler, B. Eissfeller, University FAF Munich, Germany; K. Fürlinger, Technical University of Munich, Germany, 103
A Prototyping Platform for Multi-Frequency GNSS Receivers,
D.M. Akos, A. Ene, Stanford University; J. Thor, Luleå University of Technology, Sweden, 117
RTK Receiver Design with the L2 Civil Signal, Performance and Improvements with Respect to (Semi-) Codeless Techniques,
D. Sanroma, T. Pany, B. Eissfeller, Institute of Geodesy and Navigation, University FAF Munich, Germany; G. Heinrichs, IfEN GmbH, Germany, 129
Assessment of L5 Receiver Performance in Presence of Interference Using a Realistic Receiver Simulator,
F. Bastide, ENAC/STNA, France; C. Macabiau, ENAC, France; D.M. Akos, Stanford University; B. Roturier, STNA, France, 142
GPS L5 Receiver Implementation Issues,
C. Macabiau, ENAC, France; L. Ries, CNES, France; F. Bastide, ENAC/TeSA, France; J-L. Issler, CNES, France, 153
Acquisition Algorithms for the GPS L5 Signal,
C. Hegarty, M. Tran, The MITRE Corporation; A.J. Van Dierendonck, AJ Systems, 165
A Maximum Likelihood Approach to GNSS Synchronization Using Antenna Arrays,
C. Fernández Prades, J.A. Fernández Rubio, Universitat Politécnica de Catalunya, Spain; G. Seco, European Space Agency ESA/ESTEC, The Netherlands, 178
BOC(x,y) Signal Acquisition Techniques and Performances,
N. Martin, V. Leblond, G. Guillotel, V. Heiries, Thales Avionics, France, 188

C1: Land Applications 1
Satellite Visibility in Simulating Urban Satellite Positioning-Based Road User Charging (SPRUC),
D. Vrhovski, The University of Nottingham, UK, 199
Evaluation of Positioning Service Level for Intelligent Transportation Systems in Urban Area Using a Simulation Tool,
Y. Suh, Y. Konishi, T. Hakamata, R. Shibasaki, Center for Spatial Information Science, The University of Tokyo, Japan, 206
A Precise GPS Sensor Subsystem for Vehicle Platoon Control,
M.E. Cannon, C. Basnayake, S. Crawford, S. Syed, G. Lachapelle, The University of Calgary, Canada, 213
The RUNE Project: Design and Demonstration of a GPS/EGNOS-Based Railway User Navigation Equipment,
A. Genghi, L. Marradi, L. Martinelli, L. Campa, Laben, Italy; G. Labbiento, J. Cianci, VIA-Rail, Canada; G. Venturi, Ansaldo, Italy; G. Gennaro, Intecs HRT, Italy; M. Tossaint, ESA/ESTEC, The Netherlands, 225
A Remote Bridge Health Monitoring System Using Computational Simulation and Single Frequency GPS Data,
G.W. Roberts, E. Cosser, X. Meng, A.H. Dodson, IESSG, The University of Nottingham, UK; A. Morris, M. Meo, Cranfield University, UK, 238
Field Test Results with a High Speed Rail Prototype GPS Locomotive Location System,
K.T. Mueller, D. Dow, J. Brawner, R. Bortins, Seagull Technology, Inc.; S. Alban, Stanford University; F. Meek, Union Pacific Railroad, 245
The Utilization of Single Point Positioning and Multi-Layers Feed-Forward Network for INS/GPS Integration,
K-W. Chiang, The University of Calgary, Canada, 258
GPS Satellite Geometry and Its Implications for Structural Deformation Monitoring,
X. Meng, C. Noakes, A.H. Dodson, G.W. Roberts, IESSG, The University of Nottingham, UK, 267
One Dimensional Integrated GPS-Odometer Navigation with Applications to Rail Track Analysis,
H.J. Rome, Rome Navigation Innovations, Inc., 274
Location Based Encryption and Its Role In Digital Cinema Distribution,
L. Scott, GeoCodex LLC, LS Consulting; D.E. Denning, GeoCodex LLC, Naval Postgraduate School, 288

D1: Atmospheric Effects 1
Statistical Analysis of GPS Ionospheric Scintillation and Short-Time TEC Variations Over Northern Europe,
F.S. Rodrigues, M.H.O. Aquino, A. Dodson, T. Moore, S. Waugh, IESSG, The University of Nottingham, UK, 298
Analysis of the Effects of Ionospheric Scintillation on GPS L2 in Japan,
M.B. El-Arini, R.S. Conker, S.D. Ericson, K.W. Bean, F. Niles, The MITRE Corporation (CAASD); K. Matsunaga, K. Hoshinoo, ENRI, Japan, 314
Ionospheric Scintillation Monitoring Using Dual Frequency Software GPS Receiver,
S. Ganguly, A. Jovancevic, A. Brown, M. Kirchner, S. Zigic, Center for Remote Sensing, Inc., 328
Ionospheric Scintillation Effects on Single and Dual Frequency GPS Positioning,
S. Datta-Barua, P.H. Doherty, S.H. Delay, Boston College; T. Dehel, Federal Aviation Administration; J.A. Klobuchar, Innovative Solutions International, Inc., 336
High Spatial Variation Tropospheric Model for GPS-Data Simulation,
A. Farah, T. Moore, C.J. Hill, IESSG, The University of Nottingham, UK, 347
Tropospheric Zenith Wet and Hydrostatic Delay Models for the ESA Galileo Testbed: Models Based on Meteorological Measurements and a Blind Model,
A. Pósfay, Institute of Geodesy and Navigation, University FAF Munich, Germany, 355
A New Tropospheric Propagation Delay Mapping Function for Elevation Angles Down to 2o,
J. Guo, Wuhan University, China; R.B. Langley, University of New Brunswick, Canada, 368
Use of Numerical Weather Prediction Fields for the Improvement of Tropospheric Corrections in Global Positioning Applications,
A. Jupp, S. Healy, Met Office, UK; M. Powe, J. Owen, J. Butcher, Defence Science and Technology Laboratory, UK, 377
Tropospheric Model Error Reduction in Pseudolite-Based Positioning Systems,
T.J. Bouska, J.F. Raquet, Air Force Institute of Technology, 390

E1: GNSS Status, Operation and Control, and Spectrum Management
Assessment of the Proposed GPS 27-Satellite Constellation,
P. Massatt, F. Fritzen, The Aerospace Corporation; M. Perz, GPS Joint Program Office/GPE, 399
Development of the Precise Position Service (PPS) Performance Standard (PS),
K. Kovach, ARINC, LLC; R. Buckner, U.S. Air Force; N. Faustino, ARINC, LLC; P. Harrington, U.S. Air Force, 407
Lessons in Navigation for Middle School Students,
M.S. Zarske, P. Axelrad, J.L. Yowell, J. Sullivan, University of Colorado at Boulder, 417
The Canada-Wide Differential GPS Service: Initial Performance,
H. Rho, R. Langley, University of New Brunswick, Canada; A. Kassam, British Columbia Ministry of Sustainable Resource Management, Canada, 425
Enhanced Space Based Quasi-Zenith Augmentation System,
I. Petrovski, The Institute of Advanced Satellite Positioning Technology, Japan; S. Kawaguchi,M. Ishii, H. Torimoto, GNSS Technologies Inc.; Japan; H. Kishimoto, Advanced Space Business Corp., Japan; T. Furukawa, Mitsubishi Electric Corporation, Japan; T. Tanaka, Space IT Project Center, Hitachi Ltd. Japan, 437
Spectral Measurements of GNSS Satellite Signals Need for Wide Transmitted Bands,
J-L. Issler, L. Ries, L. Lestarquit, CNES, France; O. Nouvel, Q. Jeandel, M3SYSTEMS, France, 445

F1: Integrated Navigation Systems 1
Light Detection and Ranging-Based Terrain Navigation . A Concept Exploration,
J. Campbell, M. Uijt de Haag, F. van Graas, Ohio University; S. Young, NASA Langley Research Center, 461
Integrated GPS/Loran Navigation Sensor For Aviation Applications,
J.H. Doty, P.Y. Hwang, Rockwell Collins, Inc.; G.L. Roth, Locus, Inc.; M.J. Narins, Federal Aviation Administration, 470
Quaternion-Based Attitude Estimation Using Multiple GPS Antennas, MEMS IMU,
W-J. Jun, G-I. Jee, Y.J. Lee Konkuk University, Seoul Korea; J-S. Hong, MicroInfinity, Seoul Korea, 480
Towards a Low-Cost, High Output Rate, Real-Time GPS Rowing Coaching and Training System,
K. Zhang, R. Grenfell, R. Deakin, Y. Li, J. Zhang, RMIT University, Australia; A. Hahn, C. Gore, T. Rice, The Australian Institute of Sport, Australia, 489
Improving INS/GPS Positioning Accuracy During GPS Outages Using Fuzzy Logic,
M.M.R. Taha, Stantec Consulting Ltd., Canada; A. Noureldin, Royal Military College of Canada; N. El-Sheimy, (All: Multi-sensor Research Group, The University of Calgary, Canada), 499
Injected Alignment for an INS System from Trackmodel Data in a Race Car Environment,
T. Ford, J. Hamilton, M. Bobye, NovAtel Inc., Canada, 509
Performance of Integrated Electro-Optical Navigation Systems,
T. Hoshizaki, D. Andrisani II, A. Braun, A. Mulyana, J. Bethel, Purdue University, 520
Embedded GPS and Inertial Navigation System Test Equipment,
L.D. Smith, R.S. Lawrence, J.A. Wright, E. Thompson, D. Stutz, D. Syse, 746th Test Squadron, USAF, 532

A2a: Galileo Status, Plans, Legal and Finance
Galileo: Status and Way Forward,
R. Grohe, J. Tjaden, Galileo Joint Undertaking, 537
Galileo-GPS Interoperability And Compatibility: A Synergetic Viewpoint,
R. Dellago, Galileo Industries; E. Detoma, Alenia Spazio; F. Luongo, Galileo Industries, 542
Galileo System Architecture,
K. Strodl, H.L. Trautenberg, T. Weber, EADS Astrium GmbH, Germany, 549

A2b: Galileo and Multi-System Local Component
Customised Galileo Local Elements,
I. Casewell, G. Morgan-Owen, Thales GeoSolutions Group Ltd., UK, 567
GALILEO Augmentation for a Precise Positioning Application,
R. Jones, Thales GeoSolutions Group Ltd., UK; D. Price, Thales Research & Technology Ltd., UK, 579
UPGRADE an Indoor Positioning System Using a Standard GPS Receiver,
J. Caratori, GET/INT Evry & IUT Cachan, France; M. Francois, N. Samama, GET/INT, Evry, France, 593
Integrity Concepts for Galileo's Local Component,
C.S. Dixon, J. Cole, M. Stevens, EADS Astrium Ltd., UK; H. Trautenberg, A. Schmitz-Peiffer, V. Oehler EADS Astrium GmbH, Germany, 603

B2: Receiver Technology 2
Bit Synchronization and Doppler Frequency Removal at Very Low Carrier to Noise Ratio Using a Combination of the Viterbi Algorithm with an Extended Kalman Filter,
N.I. Ziedan, J.L. Garrison, Purdue University, 616
Tracking of GPS Code Phase and Carrier Frequency in the Frequency Domain,
C. Yang, Sigtem Technology, Inc., 628
Optimal GPS-Tracking Even in Case of Line-of-Sight Loss,
K. Kaindl, N. Niklasch, ViCon GmbH, Germany, 638
Assessment and Handling of CA Code Self-Interference During Weak GPS Signal Acquisition,
Y.T.J. Morton, Miami University; J.B.Y. Tsui, D.M. Lin, L.L. Liou; M.M. Miller, AFRL, Wright Patterson AFB; Q. Zhou, M.P. French, Miami University, J. Schamus, General Dynamics, 646
Solutions to the Cross-Correlation and Oscillator Stability Problems for Indoor C/A Code GPS,
P.G. Mattos, STMicroelectronics, UK, 654
Frequency Standards: Key Enabler to Optimizing Indoor GPS Performance,
L. Vittorini, Genesio Systems Engineering; B. Robinson, Rakon Ltd., 660
Performance Tests of a 12-Channel Real-Time GPS L1 Software Receiver,
B.M. Ledvina, A.P. Cerruti, M.L. Psiaki, S.P. Powell, P.M. Kintner, Cornell University, 679
An Analytic Way to Optimize the Detector of a Post-Correlation FFT Acquisition Algorithm,
H. Mathis, University of Applied Sciences Rapperswil, Switzerland; P. Flammant, A. Thiel, u-blox ag, Switzerland, 689
A Low Power GPS Chipset with Scalable Performance and Open Architecture for Modern Location Aware Systems,
M. Cavadini, P. Young, J. Brenner, F. Piazza, NemeriX SA, Switzerland, 700

C2: Land Applications 2
Multi Function GPS Sensor for Vehicle Monitoring (JRN-30 Mobile Locator),
A. Takai, Y. Nishiwaki, H. Ishiguro, Y. Hieda, Japan Radio Co., Ltd., Japan, 706
Case Study of Intermodal Center Ground Traffic Control and Visualization by
Using GPS and WLAN, J.H. Jo, B. Kim, S-G. Fu, J. Lin, J.E. Cochran, Jr., Auburn University, 713
Integration of a SBAS-Based Positioning Architecture into a Satellite Digital Radio Broadcasting (S-DB) LBS Platform,
J. Michelon, S. Bouchired, Alcatel Space, France, 726
A Framework for the Regional Disaster Reduction Planning Support System Using the GPS and Mobile Phone System,
K. Ishibashi, K. Sono, M. Fujioka, I. Tsukagoshi, H. Kaji, Keio University, Japan; S. Anai, Zenrin Corp, 736
The New RTCM SC-104 Standard for Differential and RTK GNSS Broadcasts,
R.M. Kalafus, Trimble Navigation; K. Van Dierendonck, Novatel, Canada, 741
A Comparative Evaluation of Various RTK Systems. Performance Under Operational Conditions,
K. Radzeviciute, Gjovik University College, Norway; N. Kjorsvik, O. Ovstedal, J.G.G. Svendsen, Agricultural University of Norway, Norway, 748
Implementing a GPS Field Solution to a National Survey Team,
N. Dewfield, P. Cruddace, I. Wilson, P. Sadlowski, M. Greaves, Ordnance Survey GB, UK, 755
Performance Improvement of a Low-Cost Gyro-Free INS for Land Vehicle Navigation by Using Constrained Navigation Algorithm and Neural Network,
J-H. Wang, Y. Gao, The University of Calgary, Canada, 762

D2: Algorithms and Methods 1
A Search-Free Approach to Ambiguity Resolution,

J.G.G. Svendsen, Agricultural University of Norway, 769
GPS Integer Ambiguity Resolution Based on Eigen-Decomposition,
J-C. Juang, National Cheng Kung University, Taiwan, 775
A New Approach to GPS Carrier Phase Ambiguity Resolution Using Single Epoch Dual Frequency Data,
H. Sun, Wuhan University, P.R. China, 783
TCAR and MCAR Options with Galileo and GPS,
W. Werner, J. Winkel, IfEN GmbH, Germany, 790
A Simple RAIM and Fault Isolation Scheme,
R. Hatch, T. Sharpe, Y. Yang, NavCom Technology, Inc., 801
Dynamical Models for Carrier-Phase Kinematic GPS Positioning,
C. Uratani, K. Sone, Y. Muto, Ritsumeikan University, Japan; S. Maruo, Honda R&D Co., Ltd, Japan; S. Sugimoto, Ritsumeikan University, Japan, 809
Going for the Optimum: Penalized Nonlinear Maximum Likelihood Proved to Return Optimized Multipath Signal Decomposition Parameters,
K. Kaindl, ViCon GmbH, Germany; S. Pilz, Ludwig Maximilians University, Germany, 819
High-Performance Multipath Mitigation Using the Synergy of Composite GPS Signals,
L.R. Weill, California State University, Fullerton, 829

E2: Aviation Applications 1
CNS/ATM for Tactical Military Aircraft,
S. Frain, Naval Air Systems Command; G. Van Sickle, DCS Corporation, 841
Aviation Applications for Galileo,
A. Schuster Bruce, Thales Avionics, UK; R. Jeans, National Air Trafic Services; E. Chatre, Galileo Interim Support Structure; G. Alcouffe, Thales Avionics, France, 849
ISAGNSS: Spanish GNSS Activities Support Infrastructure,
M. Toledo, E. González, GMV, Spain; L. Andrada, AENA, Spain; M.A. Sagrado, SENASA, Spain; A. Garcia, GMV Sistemas, Spain, 857
GPS Align in Motion of Civilian Strapdown INS,
D. Weed, J. Broderick, J. Love, T. Ryno, Honeywell Commercial Aviation Products, 869
Loran for RNP 0.3 Approach,: The Preliminary Conclusions of Loran Integrity Performance Panel (LORIPP),
S. Lo, L. Boyce, P. Enge, Stanford University; B. Peterson, Peterson Integrated Geopositioning; B. Wenzel, Booz Allen Hamilton; P. Morris, Northrop Grumman Information Technology/Defense Enterprise Solutions; K. Carroll, USCG Loran Support Unit, 877
Carrier-Phase DGPS System Accuracy Tests: Increasing Baseline Distance and Using CORS Network Data,
J. Booth, The Boeing Company, ATM; T. Lunde, The Boeing Company, VTDS, 889
Characterization of the DC-3 In-Fligh GPS Antenna Performance,
T.A. Skidmore, F. van Graas, L. Marti, Ohio University, 897
Use of Low-Cost GPS/AHRS with Head-Up Guidance Systems for CAT III Landings,
R.S.Y. Young, P.Y.C. Hwang, D.A. Anderson, Rockwell Collins, Inc., 908

F2: Integrated Navigation Systems 2
The Performance Improvement of Wald Test of GPS RTK Using INS,
D.J. Kim, S.B. Chun, E. Lee, Y.J. Lee, T. Kang, G-I. Jee, Konkuk University, Korea, 920
Navigation Using LINK-16 GPS/INS Integration,
A. Brown, NAVSYS Corporation; P. Sack, ViaSat Inc., 928
CIGTF Enhanced Precision Reference Systems,
R.S. Lawrence, G. Gregory, D. Stutz, J. Sanchez, B. Neal, 746th Test Squadron, USAF, 935
On the Integration of Inertial and GPS Data with an Odometer for Land Vehicles Navigation,
S. Cunha, L. Bastos, Porto University, Portugal; T. Cunha, P. Tomé, GeoNav, Ltd., Portugal, 940
Nonlinear Filtering Methods for INS/DGPS In-Motion Alignment,
N. Asaoka, M. Ooiwa, M. Tanikawara, Ritsumeikan University, Japan; T. Numajima, Daihatsu Motors, Co., Ltd., Japan; Y. Kubo, Daihatsu Motors Co., Ltd., and Mitsubishi Electric Corp., Japan; S. Sugimoto; Ritsumeikan University, Japan, 945
Car Tests for the Estimation of GPS/INS Alignment Error,
S. Hon, M.H. Lee, H-H. Chun, S.-H. Kwon, Pusan National University, Korea, 957
Integrated GPS/Loran Receiver for ASF Propagation Studies,
R. Hartnett, USCG Academy; P.F. Swaszek, University of Rhode Island; G. Johnson, John J. McMullen Associates, Inc., 968

A3: Galileo System Design
The Galileo System Architecture at the End of the Design Phase,
R. Dellago, J.M. Pieplu, R. Stalford, Galileo Industries, 978
Performance Analysis of GNSS Global and Regional Integrity Concepts,
H. Blomenhofer, W. Ehret, Thales ATM GmbH, Germany; E. Blomenhofer, NavPos Systems GmbH, Germany, 991
Taking the Long View: The Impact of Spacecraft Structural Design and High Precision Force Modelling on Long-Term Orbit Evolution,
M. Ziebart, S. Adhya, A. Sibthorpe, P. Cross, University College London, UK, 1002
GATE - The German Galileo Test Environment,
R. Wolf, M. Thalhammer, IfEN GmbH, Germany; G.W. Hein, University FAF Munich, Germany, 1009
Land Mobile Satellite Navigation - Characteristics of the Multipath Channel,
A. Steingass, A. Lehner, German Aerospace Center DLR, Germany, 1016
Interoperability Study Between GPS and Galileo Signals,
S. Ganguly, A. Jovancevic, Center for Remote Sensing, Inc., 1023
Impact of Galileo Spreading Code Selection and Data Rate onto Navigation Signal Interference,
F. Soualle, EADS - Astrium GmbH, Germany; T.B. Burger, OHB-System AG, Germany, 1035
BOC Modulation Waveforms,
A.R. Pratt, Orbstar Consultants, UK; J.I.R. Owen, DSTL, UK, 1044

B3: Military Applications
Civil Augmentation Systems Sustaining Military Operations,
A. Muls, Royal Military Academy, Belgium; T. Willems, Ghent University, Belgium, 1058
Integration of Commercial GPS Into Military Systems,
S.S. Edwards, M.C. Lohrenz, M.L. Gendron, R.A. Mang, Naval Research Laboratory, 1063
A Multi-Carrier Technique for Precision Geolocation for Indoor/Multipath Environments,
D. Cyganski, J. Orr, W.R. Michalson, Worcester Polytechnic Institute, 1069
Targeting Applications Relevant to the Military GPS Handhelds,
J.T. Kelly, Rockwell Collins, Inc., 1074
JDAM SAASM Upgrade - Upgrade to a Proven Weapon,
M. Whiting, J. Nielson,Rockwell Collins, Inc., 1085
Non-Periodic Short Spreading Sequences for GPS Puncturing, Time-Multiplexing, and Acquisition Aiding,
J.M. Anderson, USAF, 1090
INS/GPS Integration with Adaptive Beamforming,
F. Berefelt, B. Boberg, F. Eklöf, J. Malmström, L. Pääjärvi, P. Strömbäck, S-L. Wirkander, Swedish Defence Research Agency (FOI), Sweden, 1096
Advanced GPS Simulator/Receiver Prototyping System,
S. Ganguly, A. Brown, M. Kirchner, Center for Remote Sensing, Inc.; M. Nguyen, P.F. Schnick, SPAWAR Systems Center San Diego; S. Green, GPS JPO GPET; E. Weston, NAWCWD China Lake, 1107

C3: Location-Based Services and Indoor Positioning 1
Locata: A New Positioning Technology for High Precision Indoor and Outdoor Positioning,
J. Barnes, C. Rizos, J. Wang, University of New South Wales, Australia; D. Small, G. Voigt, N. Gambale, Locata Corporation Pty Ltd., Australia, 1119
An Indoor Positioning Using GPS Repeater,
S-C. Bu, J-H. Choi, G-I. Jee, H.S. Kim, Konkuk University, South Korea, 1129
Indoor Code and Carrier Phase Positioning with Pseudolites and Multiple GPS Repeaters,
I. Petrovski, Institute of Advanced Satellite Positioning Technology, Japan; K. Okano, S. Kawaguchi, H. Torimoto, GNSS Technologies Inc., Japan; K. Suzuki, M. Toda, J. Akita, Future University - Hakodate, Japan, 1135
A Method for Repeater Position Determination in the Wireless Location,
S.J. Kim, NGC Lab., Seoul National University, Korea; G-I. Jee, GPS Laboratory, Konkuk University, Korea; J-G. Lee, NGC Lab., Seoul University, Korea, 1144
Space Time Characteristics of the RF Absolute Power of Indoor GPS Signals,
Y. Aiga, K. Washizu, M. Nakamura, K. Sorita, M. Shoji, Y. Ogasa, Japan Radio Co., Ltd., Japan, 1149
Stand-Alone High-Sensitivity GPS Receiver,
Y. Aiga, K. Washizu, M. Nakamura, M. Shoji, Y. Ogasa, M. Hada, Japan Radio Co., Ltd., Japan, 1158
Indoor Positioning System Using Accelerometry and High Accuracy Heading Sensors,
J. Collin, Tampere University of Technology, Finland; O. Mezentsev, G. Lachapelle, The University of Calgary, Canada, 1164
HSGPS Signal Analysis and Performance Under Various Indoor Conditions,
G. Lachapelle, H. Kuusniemi, D.T.H. Dao, G. MacGougan, M.E. Cannon, The University of Calgary, Canada, 1171
Dynamic Node Location in an Ad Hoc Indoor Communications and Positioning Network,
W.R. Michalson, H. Ahlehagh, I. Progri, Worcester Polytechnic Institute, 1185

D3: Algorithms and Methods 2
High-Precision Single-Frequency GPS Point Positioning,
T. Beran, D. Kim, R.B. Langley, University of New Brunswick, Canada, 1192
Complementary Kalman Filter for Smoothing GPS Position with GPS Velocity,
H. Leppäkoski, Tampere University of Technology, Finland; J. Syrjärinne, Nokia Mobile Phones, Finland; J. Takala, Tampere University of Technology, Finland, 1201
Standalone Real-Time Positioning Algorithm Based on Dynamic Ambiguities (DARTS),
A. Simsky, Septentrio, Belgium, 1211
Ambiguity Resolution in Precise Point Positioning: Preliminary Results,
M. Abdel-Salam, Y. Gao, The University of Calgary, Canada, 1222
A New Approach to Ill-Conditioned Problems in Rapid Positioning Using Single Frequency GPS Receivers,
Z. Wang, Chinese Academy of Sciences, P.R. China, 1229
A Neural Network Aided Adaptive Kalman Filtering Approach for GPS Navigation,
D-J. Jwo, National Taiwan Ocean University, China; H-C. Huang, Aerospace Industrial Development Corporation (AICD), China; J. Huang, Industrial Technology Research Institute (ITRI), China, 1240
A General Concept and Algorithm of Projected DGPS for High Accuracy DGPS Based Systems,
Y. Zhang, C. Bartone, Ohio University, 1248
L1 Backup Navigation for Dual Frequency GPS Receiver,
Y. Yang, R.T. Sharpe, R.R. Hatch, NavCom Technology, Inc., 1258

E3: Aviation Applications 2
Passive Altimeter Study Using GPS Flight Data,
L.L. Liou, J.B. Tsui, D.M. Lin, J. Schamus, Air Force Research Laboratory; F. van Graas, Ohio Univeristy; Y.T.J. Morton, Miami University, 1264
A Dedicated Small Satellite Approach to GNSS and SBAS,
J. Paffett, E. Rooney, M. Unwin, Surrey Satellite Technology Ltd., (SSTL), UK; J. Owen, Defence Science and Technology Laboratory, UK, 1271
WAAS Availability and Performance at High Latitudes,
S. Skone, The University of Calgary, Canada; A. Coster, MIT Haystack Observatory; V. Hoyle, The University of Calgary, Canada; C. Laurin, MIT Haystack Observatory, 1279
Realtime GPS Orbital Velocity and Acceleration Determination in ECEF System,
J. Zhang, K. Zhang, R. Grenfell, R. Deakin, RMIT University, Australia, 1288
Simulation-Based Performance Analysis of SBAS in Korea: Accuracy & Availability,
C. Kee, Y. Yun, D. Kim, Seoul National University, Korea; H. Park, K. Huh, Ministry of Construction & Transportation, Korea, 1297
Inmarsat-4 Navigation Transponder Test Equipment and Control Software for In-Orbit Tests,
A.J. Van Dierendonck, GPS Silicon Valley; R. Coker, Pythagorean Development, Inc.; O. Razumovsky, Inmarsat, Ltd.; D. Bobyn, Dan Bobyn Engineering Ltd.; H. Kroon, Rockyview Technology, Inc., 1307
EGNOS SBAS Data Reduction to Match ITU-R Eurofix Specifications,
D. van Willigen, A. Helwig, G. Offermans, Reelektronika, The Netherlands; J. Seybold, G. Abwerzger, TCA, Austria; A. Salonico, Telespazio, Italy, 1320
Technology to Evaluate eLoran Performance,
B. Peterson, K. Dykstra, Peterson Integrated Geopositioning, LLC; K. Carroll, U.S. Coast Guard Loran Support Unit; M. Narins, Federal Aviation Administration, 1327
Correction Algorithm for SBAS C/A Code Interference,
L. Lestarquit, M. Malicorne, CNES, France; M. Bousquet, V. Calmettes, SupAero, France, 1345

F3: Network-Based Techniques for RTK
New Tools for Network RTK Integrity Monitoring,
X. Chen, H. Landau, U. Vollath, Trimble Terrasat GmbH, Germany, 1355
Applicability of Standardized Network RTK Message for Surveying Rovers,
H.-J. Euler, O. Zelger, F. Takac, B.E. Zebhauser, Leica Geosystems AG, Switzerland, 1361
SWEPOSTM Network-RTK Services . Status, Applications and Experiences,
B. Jonsson, G. Hedling, P. Wiklund, Lantmäteriet, National Land Survey of Sweden, 1370
Evaluation of a Multi-Base-Station Differential Approach,
N. Kjorsvik, O. Ovstedal, J.G.G. Svendsen, Agricultural University of Norway; L.E. Blankenberg, Norkart, 1381
Free Net Adjustment in Multi Reference Stations Approach for Instantaneous RTK,
I. Kashani, Ohio State University and Technion, Israel Institute of Technology; P. Wielgosz, Ohio State University and University of Warmia and Mazury in Olsztyn, Poland; D. Grejner-Brzezinska, Ohio State University, 1390
Wireless Instantaneous Network RTK: Positioning and Navigation,
Y. Bock, P. de Jonge, D. Honcik, J. Fayman, Geodetics, Inc., 1397
Testing of a Multi-Reference Station Network for RTK DGPS Positioning in Italy,
G. Pugliano, Department of Geomatics, Parthenope University of Naples, Italy, 1406
The Effects of Network Geometry on Network RTK Using Simulated GPS Data,
P. Alves, Y.W. Ahn, G. Lachapelle, The University of Calgary, Canada, 1417
Developing a Network-Based RTK System Using Victorian Permanent GPS Tracking Network,
K. Zhang, C. Roberts, RMIT University, Australia, 1428

A4: GNSS System Performance Validation, Modeling and Testing 1 (Integrity and Interference Issues)
Interference Protection for EGNOS RIMS,
C. Neville, K. Ashton, NATS Ltd., UK, 1440
The EGNOS Integrity Concept: Evaluation of the Ionospheric Corrections,
A. Waegli, Swiss Federal Institute of Technology (EPFL), Switzerland, 1449
Validation of GPS L5 Coexistence with DME/TACAN and Link-16 Systems,
T. Kim, The MITRE Corporation; J. Grabowski, Zeta Associates, 1455
Three or Four Carriers - How Many are Enough?,
U. Vollath, K. Sauer, Trimble Terrasat GmbH, Germany; F. Amarillo, ESTEC; J. Pereira, Socratec NavSat, S.L., 1470
GPS Noise and Interference Test Challenges and Implementation,
B. Hessen-Schmidt, Noise Com, 1478
A More Complete and Updated Methodology for Assessing Intrasystem and Intersystem Interference for GPS and Galileo,
A.J. Van Dierendonck, AJ Systems; C. Hegarty, The MITRE Corporation; S. Pullen, Stanford University, 1484
Signal Generation, Verification, and Interaction Analysis of Legacy and Modernized GNSS Systems,
B. Goodrich, B. Gonzales, L.H. Hughes, R. Weaver, B. Deary, ARINC, 1494
GNSS Receiver Autonomous Integrity Monitoring: A Separability Analysis,
S. Hewitson, The University of New South Wales, Australia, 1502

B4: GPS Modernization
GPS Modernization of the Control Segment in Relation to Master Control Station and Crew Operations,
S.A. Brown, U.S. Air Force, 1510
GPS Modernized Block IIR System Test Program and Anomaly Reporting Process,
M.H. Jurek, ARINC Engineering Services, LLC; G.A. Franco, Navstar GPS JPO/GPET, 1515
Anechoic Chamber Testing of M-Code Interference with Legacy Military Receivers,
A. Hammock, J. Anderson, J. Hebert, AFOTEC; S. Jokerst, ARINC, Engineering Services, LLC; A. Emery, Navstar GPS Joint Program Office; C. Stroing, SPAWAR; J. Torres, The MITRE Corporation, 1521
GPS Accuracy Versus Number of NIMA Stations,
C.H. Yinger, W.A. Feess, V. Nuth, R.N. Haddad, The Aerospace Corporation, 1526
Modernizing GPS Autonomous Navigation with Anchor Capability,
J.A. Rajan, P. Brodie, H. Rawicz, ITT Industries, 1534
Anti-Spoofing & Authenticated Signal Architectures for Civil Navigation Systems:
L. Scott, LS Consulting, 1543
M Code Performance Spreadsheet Analysis Techniques,
P.W. Ward, Navward GPS Consulting, 1553
GPS III System Operations Concepts,
O. Luba, L. Boyd, A. Gower, Lockheed Martin Corporation; J. Crum, Infinity Systems Engineering, 1561
Improvement of Error with GPS Standard Positioning Service,
J. Takamura, K. Shimizu, T. Tanaka, Keio University, Japan, 1571

C4: Location-Based Services and Indoor Positioning 2
Commitment to Design for a Safety-Critical Function Reliable GPS Antenna Technology for E-911 in Handsets,
O.P. Leisten, A.P. Wingfield, Sarantel Limited, UK, 1579
Integration of GPS and Cellular Networks to Improve Wireless Location Performance,
C. Ma, The University of Calgary, Canada, 1585
FURLONG: A Study of Future Real-Time Location and Navigation,
T. Moore, C. Hill, C. Noakes, C. Hide, IESSG, The University of Nottingham, UK; R. Saull, G. Close, SciSys (Space and Defence) Ltd; R. Moore, Centre for Ecology and Hydrology, 1597
Galileo: Benefits for Location-Based Services,
J. Swann, E. Chatre, D. Ludwig, Galileo Joint Undertaking, 1603
Closed-Form Solutions for Hybrid Cellular/GPS Positioning,
N. Sirola, R. Piché, Institute of Mathematics, Tampere University of Technology, Finland; J. Syrjärinne, Nokia Mobile Phones, Finland, 1613
PARAMOUNT - Experiences and Results of a LBS Prototype for Mountaineers,
E. Löhnert, H. Mundle, E. Wittmann, G. Heinrichs, IfEN Gesellschaft für Satellitennavigation mbH (IfEN GmbH), Germany, 1620
Proposal of an Internet-Based EGNOS Receiver Architecture and Demonstration of the SISNeT Concept,
E. González, M. Toledo, GMV S.A., Spain; A. Catalina, C. Barredo, GMV Sistemas S.A. Spain; F. Torán, J. Ventura, ESA; A. Salonico, Telespazio SpA, Italy, 1628
Assisted GPS Without Network Cooperation Using GPRS and the Internet,
P.G. Mattos, STMicroelectronics, 1642
The Use of Augmented Reality, GPS and INS to Visualise Mining and Geological Data,
G. Roberts, A. Evans, A. Dodson, S. Cooper, R. Hollands, B. Denby, The University of Nottingham, UK; W. Hatton, M. Sen, D. Muller, A. Marchant, D. Tragheim, M. Shaw, H. Jones, British Geological Survey, UK, 1650

D4: Atmospheric Effects 2
Performance of SBAS Ionospheric Estimation in the Equatorial Region,
R. Lejeune, M.B. El-Arini, The MITRE Corporation/ CAASD/; P. Doherty, Boston College; J. Klobuchar, ISI; E. De Paula, F. Rodrigues, A. Canavitsas, INPE, Brazil, 1658
Effects of Equatorial Anomaly in the GPS Signals,
A.B.V. Oliveira, T.N. de Morais, F. Walter, Instituto Tecnólogico de Aeronáutica, Brazil, 1670
Incorporating WAAS Data Into an Ionospheric Model for Correcting Satellite Radar Observations,
C. Toews, A. Coster, L. Thornton, E. Phelps, S. Shulman, MIT Lincoln Laboratory, 1683
Development and Analysis of a New Ionospheric Model,
Z. Liu, The University of Calgary, Canada, 1692
Modified Tomographic Estimation of the Ionosphere Using Fewer Coefficients,
C. Kee, Y. Sohn, Seoul National University, Korea; J. Park, Ministry of Maritime Affairs and Fisheries, Korea, 1704
Troposphere: Signal or Noise?,
U. Vollath, Trimble Terrasat GmbH, Germany; E. Brockmann, Swiss Federal Office of Topography, Switzerland; X. Chen, Trimble Terrasat GmbH, Germany, 1709
4-D Troposphere Modeling Using a Regional GPS Network in Southern Alberta,
N. Nicholson, V. Hoyle, S. Skone, M.E. Cannon, G. Lachapelle, The University of Calgary, Canada, 1718
Providing Precision Approach SBAS Service and Integrity in Equatorial Regions,
D. Cormier, E. Altshuler, P. Shloss, Raytheon Company, 1728
Evaluation of Functions for Modelling of the Effect of the Ionospheric Refraction in the Propagation of the GPS Signals,
M.T. Matsuoka, P. de Oliveira Camargo, Universidade Estadual Paulista, Brazil, 1736
GPS Water Vapor Estimation Using Surface Meteorological Data from Australian Automatic Weather Stations,
Z. Bai, Y. Feng, Cooperative Research Centre for Satellite Systems, Queensland University of Technology, Australia, 1742
Instantaneous Regional Ionosphere Modeling,
P. Wielgosz, Ohio State University and University of Warmia and Mazury in Olsztyn, Poland; D. Grejner-Brzezinska, Ohio State University; I. Kashani, Ohio State University and Technion, Israel Institute of Technology; Y. Yi, The Ohio State University, 1750

E4: Ground-Based Augmentation Systems 1
LAAS VDB Receiver Sensitivity Performance Analysis,
O.K. Nyhus, E.F.C. LaBerge, Honeywell; T.A. Skidmore, Ohio University, 1758
Error Models for Precision Landing with GBAS Using New GNSS Signals,
S. Monrocq, J-P. Arethens, Thales-Avionics, France, 1775
Performance Verification of GBAS through ILS Inspection Procedure,
C. Kee, S. Park, Y. Yun, Seoul National University, Korea; H. Park, Ministry of Construction & Transportation, Korea; H. Hwang, Sejong University, Korea, 1792
Multipath Modeling and Test Results for JPALS Ground Station Receivers,
J.P. Weiss, S. Anderson, P. Axelrad, University of Colorado; R.L. Brinkley, R.P. Pennline, ARINC Engineering Services, LLC, 1801
Results of Flight Test Program to Develop New Terminal Instrument Procedures for LAAS/GPS Approaches and Guided Missed Approaches Using Category A, B, and C Aircraft,
W. Ross, J. Fagan, University of Oklahoma; G. McCartor, FAA-AFS-420; R. Sexton, ISI, 1812
Preliminary Results of Flight Test Program to Develop Curved Path Navigator, Set of New Curved Path Approaches to Landing Using GPS/LAAS and WAAS,
B. Mohr, J. Fagan, University of Oklahoma; R. Sexton, ISI; G. McCartor, FAA-AFS-420, 1823
A Real-Time GPS/SBAS Time-Divided-Multi-Signal Quality Monitoring Receiver,
N. Fujii, S. Saitoh, Electronic Navigation Research Institute; T. Hashimoto, M. Kawai, H. Nakao, Furuno Electric Co., Ltd., Japan, 1829

F4: Antenna Technology
Rockwell Collins' Flexible Digital Anti-Jam Architecture,
S.G. Carlson, C.A. Popeck, M.H. Stockmaster, C.E. McDowell, Rockwell Collins, Inc., 1843
Simulation and Validation of a GPS Antenna Array Concept for JPALS Application,
U.S. Kim, D. Akos, P. Enge, Stanford University; F. Bastide, ENAC, France, 1852
Multiband L5-Capable GPS Antenna,
Y. Lee, S. Ganguly, Center for Remote Sensing, Inc.; R. Mittra, Electromagnetic Communication Laboratory, Penn State University, 1861
A Dual-Band Reduced-Surface-Wave GPS Microstrip Antenna with Low Susceptibility to Multipath,
L.I. Basilio, R.L. Chen, J.T. Williams, D.R. Jackson, University of Houston, 1870
A Three Dimensional Choke Ring Ground Plane Antenna,
W. Kunysz, NovAtel Inc., 1883
Phase Center Calibration and Multipath Test Results of a Digital Beam-Steered Antenna Array,
K. Stolk, A. Brown, NAVSYS Corporation, 1889
Joint Estimation of Channel Biases and Angles of Arrival For a Small GPS Array Antenna,
C. Yang, Sigtem Technology, Inc.; D.M. Lin, AFRL/SNRP, 1898
Estimation of High Precision Carrier-Phase by Accumulated-Delta-Range (ADR) Data for Reduction of the Multipath Problem and Evaluation by 2D-MUSIC,
Y. Goto, T. Iwata, University of Tokushima, Japan; K. Yamashina, H. Susaki, O. Arai, Furuno Electoric Co., Ltd., Japan, 1908

A5: Receivers and Applications for Galileo and Combined Galileo and GPS
Galileo User Segment Overview,
M. Hollreiser, P. Erhard, European Space Agency, The Netherlands; P. Lorenzi, Laben/Galileo Industry;
C.S. Dixon, EADS Astrium Ltd., UK, 1914
The Galileo Ground Segment Reference Receiver Development: Architecture and Critical Design Issues,
L. Marradi, A. Di Cintio, Laben S.p.A., Italy; M. Luise, Consorzio Pisa Ricerche, Italy; A. Fernandez, J. Diez, DEIMOS, Spain; F. Bauer, Alcatel Space Industries, France; M. Hollreiser, ESA/ESTEC, The Netherlands, 1929
A Comparison of .Direct RF Sampling. and "Downconvert & Sampling" GNSS Receiver Architectures,
M.L. Psiaki, Cornell University; D.M. Akos, Stanford University; J. Thor, Luleå University of Technology, Sweden, 1941
Open Architecture Development System for GPS and Galileo,
S. Ganguly, A. Jovancevic, A. Brown, Center for Remote Sensing, Inc., 1953
Interference Study . Processing Semi-Live Galileo L1 and Live GPS L1 Data in a High-Performance GNSS Software Receiver,
P-L. Normark, C. Ståhlberg, NordNav Technologies, Sweden; G. Seco-Granados, European Space Agency, 1965
A High-End Integrity Receiver for the Combined GPS & Galileo Systems: Digital Signal Processing,
J.A. Cooper, G.J. Brodin, E. Aguado, CAA Institute of Satellite Navigation, The University of Leeds, UK; P. Hellen, Raytheon Systems Limited, UK, 1973
Performance and Commercial Benefits Delivered by Galileo,
R. Peckham, EADS Astrium, UK, 1983
Tracking and Multipath Performance Assessments of BOC Signals Using a Bit-Level Signal Processing Simulator,
L. Ries, CNES, France; F. Legrand, M3Systems, France; L. Lestarquit, CNES, France; W. Vigneau, M3Systems, France; J-L. Issler, CNES, France, 1996
Galileo Sensor Station Ground Reference Receiver Performance Characteristics,
N. Gerein, A. Manz, M. Clayton, M. Olynik, NovAtel Inc., Canada, 2011
Simulation & Verification of New Architectures for Galileo Navigation Signal Demodulation,
S. Fischer, S. Berberich, J. Heim, P.A. Krauss, EADS Astrium GmbH, Germany, 2021

B5: Unintentional Interference and Jamming
Constrained Adaptive Monopulse for GPS Attitude Determination Under Jamming,
C. Yang, Sigtem Technology, Inc., 2031
Automatic Gain Control (AGC) as an Interference Assessment Tool,
F. Bastide, ENAC/STNA, France; D. Akos, Stanford University; C. Macabiau, ENAC, France; B. Roturier, STNA, France, 2042
Mission Planning In GPS-Denied Regions Using GIJETTM,
M. Grace, P. Stieber, M. Figueroa, W. White, Toyon Research Corporation; F. Escobar, U.S. Navy Space and Naval Warfare Systems Command, 2054
Intersystem and Intrasystem Interference Analysis Methodology,
B.M. Titus, U.S. Air Force, GPS JPO; J. Betz, C. Hegarty, R. Owen, The MITRE Corporation, 2061
Simulation of GPS Vulnerability During Launch of Space Vehicles with Interfering Inputs,
V.J. Reid, D.J. Biezad, California Polytechnic State University, 2070
RF Interference and Multipath Effects at Continuous GPS Installations for Long-Term Monitoring of Tide Gauges in UK Harbours,
N. Teferle, R. Bingley, A. Dodson, P. Apostolidis, G. Staton, IESSG, University of Nottingham, UK, 2082
ATC Radar Interference Impact on Air Receiver,
Y. Ernou, A. Renard, E. Kirby, Thales Avionics, 2093
Overcoming the Limitations of the Phase Multipath Mitigation Window,
D. Bétaille, LCPC France / University College London, UK; J. Maenpa, H-J. Euler, Leica Geosystems, P. Cross, University College London, UK, 2102

C5: Carrier Phase-Based Positioning 1
A New Approach for Fast and Reliable Ambiguity Search Technique,
C. Kee, D. Kim, J. Jang, Seoul National University, Seoul, Korea, 2112
Dual-Mode GPS Real-Time Kinematic System for Seamless Ultrahigh-Precision
Positioning and Navigation, D. Kim, R.B. Langley, University of New Brunswick, Canada, 2120
An Application of Wide-Lane to Long Baseline GPS Measurements (3),
H. Isshiki, Institute of Mathematical Analysis, Japan, 2129
How Multipath Error Influences on Ambiguity Resolution,
N. Kubo, A. Yasuda, Tokyo University of Mercantile Marine, Japan, 2142
A Testing Methodology for GPS Phase Multipath Mitigation Techniques,
D. Bétaille, University College London, UK, 2151
Impact of GPS Modernization on Precise Carrier Phase-Based Positioning in the Presence of Multipath,
L. Lau, P. Cross, University College London, UK, 2163
Synergy of CP-DGPS, Accelerometry and Magnetic Sensors for Precise Trajectography in Ski Racing,
J. Skaloud, P. Limpach, Swiss Federal Institute of Technology, Switzerland, 2173

D5: Space Applications
High Precision Real-Time Navigation for Spacecraft Formation Flying,
S. Leung, German Space Operations Center, Germany, and Royal Melbourne Institute of Technology University (RMIT), Australia; O. Montenbruck, German Space Operations Center, Germany, 2182
Autonomous Formation Flying RF Ranging Subsystem,
C. Bourga, C. Mehlen, Alcatel Space Industries, France; P. Colmenarejo, J.M. Lopez-Almansa, V. Barrena, GMV, SA, Spain; A. Garcia-Rodriguez, G. Seco-Granados, European Space Agency ESA, 2194
Using L1-Frequency GPS Signals for the Relative Navigation of Space Vehicles:
M. Hartrampf, E. Gottzein, A. Konrad, M. Mittnacht, EADS Astrium GmbH, Germany, 2201
TOPEX Maneuver Detection Using GPS Residuals,
E. Accad, E. Paredes, S. Graham, R. Ahmadi, A. Soroosh, Raytheon ITSS; A. Salama, Jet Propulsion Laboratory, 2212
Cassini Tour Navigation Strategy,
D. Roth, V. Alwar, J. Bordi, T. Goodson, Y. Hahn, R. Ionasescu, J. Jones, W. Owen, J. Pojman, I. Roundhill, S. Santos, N. Strange, S. Wagner, M. Wong, Jet Propulsion Laboratory, California Institute of Technology, 2218
Navigation Flight Test Results from the Low Power Transceiver Communications and Navigation Demonstration on Shuttle (CANDOS) Experiment,
L. Haas, C. Massey, D. Baraban, ITT Industries, 2230
Effects of Multipath and Signal Blockage on GPS Navigation in the Vicinity of the International Space Station (ISS),
D.E. Gaylor, E.G. Lightsey, The University of Texas at Austin; K.W. Key, Titan Corporation, 2238
FedSat Orbit Determination Strategies and Results From The Dailly Flight GPS Measurements,
Y. Feng, N. Zhou, W. Enderle, Cooperative Research Centre for Satellite Systems, Queensland University of Technology, Australia, 2248

E5: Ground-Based Augmentation Systems 2
LAAS Ionosphere Spatial Gradient Threat Model and Impact of LGF and Airborne Monitoring,
M. Luo, S. Pullen, J. Dennis, H. Konno, G. Xie, T. Walter, P. Enge, Stanford University; S. Datta-Barua, Boston College; T. Dehel, FAA, 2255
CUSUM-Based Real-Time Risk Metrics for Augmented GPS and GNSS,
S. Pullen, J. Lee, G. Xie, P. Enge, Stanford University, 2275
The JPALS Performance Model,
G. Johnson, M. Lage, ARINC Engineering Services; J. Clark, R. Breslau, Titan; J. Aksteter, SAIC; F. Allen, U.S. Navy, 2288
Development of a Pseudolite A Brazilian GBAS Experience,
D. Zandonadi Jr., F. Walter, Instituto Tecnológico de Aeronáutica (ITA), Brazil, 2297
Development of an APL Error Model for Precision Approaches and Validation by Flight Experiments,
R.J. Biberger, A. Teuber, T. Pany, G.W. Hein, Institute of Geodesy and Navigation, University FAF Munich, Germany, 2308
Flight Test Results of Precision Approach and Landing Augmented by Airport Pseudolites,
B.K.H. Soon, E.K. Poh, DSO National Laboratories, Singapore; J. Barnes, J. Zhang, H.K Lee, H.K. Lee, C. Rizos, The University of New South Wales, Australia, 2318
A Viable Airport Pseudolite Architecture for the Local Area Augmentation System,
S. Kiran, C.G. Bartone, Ohio University, 2326
JPALS Availability Modeling and Assessment in Nominal and Jamming Environments,
J.R.A. Stevens, M.E. Lage, Y.S. Nam, B.R. Peterson, ARINC Engineering Services, 2337

F5a: GPS in Safety and Security Applications
Airborne Remote Sensing: Redefining a Paradigm of Traffic Flow Monitoring,
D. Grejner-Brzezinska, C. Toth, E. Paska, The Ohio State University, 2349
GPS-Based Bistatic Radar for Terrain Awareness - Methods and Preliminary Results,
P. Sturtevant, D. Masters, P. Axelrad, University of Colorado; S.J. Katzberg, NASA Langley Research Center, 2358
An Intelligent Navigation Aid for Land Mobile Applications Using Augmented Reality Technologies,
S. Scott-Young, The University of Melbourne, Australia, 2371
An Integrated System for Dispatch and Navigation of Emergency Services Vehicles,
S.R. Croyle, Robert Bosch Corporation/Franklin-Bingham Fire Department, 2381
A pplication of Spectral Estimation Techniques in Terrain Database Integrity Monitors and Terrain Navigation Systems,
A. Vadlamani, M. Uijt de Haag, Ohio University, 2389

F5b: Autonomous Vehicle Navigation
DGPS for Outdoor Mobile Robots by Wireless LAN,
H. Irie, Yatsushiro National College of Technology, Japan, 2399
Analysis of GPS Measurement Delays in Low-Cost INS/GPS Navigation Systems,
C. Eck, Swiss Federal Institute of Technology (ETH), Switzerland; M. Kottmann, weControl GmbH, Switzerland; H.P. Geering, Swiss Federal Institute of Technology (ETH), Switzerland, 2408
A GPS Based Attitude Determination System for a UAV Aided by Low Grade Angular Rate Gyros,
M. Moore, C. Rizos, J. Wang, University of New South Wales, Australia; G. Boyd, K. Matthews,W. Williams, R. Smith, Newmont Australia, Research & Development, Australia, 2417
Development of the PLS Tactically Deployable Dual-Thread Landing System,
D. King, J. Wright, J. Hansen, Sierra Nevada Corporation, 2425

A6: GNSS System Performance Validation, Modeling and Testing 2 (System Simulation and Verification)
GPS and Galileo Orbit and Ephemeris Simulations,
U. Rossbach, R. Wolf, IfEN GmbH, Germany; R. Kaniuth, University FAF Munich, Germany, 2431
A Novel, Low-Cost Galileo Demonstrator,
S. Basker, A. Sage, Helios Technology Ltd, UK; P. Norris, S. Martin, Logica CMG; J. Laverty, J. Davis, National Physical Laboratory; A. Batchelor, E. Stansfield, Thales Research and Technology UK, Limited; T. Moore, C. Hill, The University of Nottingham, UK; J. Owen, DSTL, UK, 2436
System Verification: Approach, Methods, and Tools for Galileo,
G. Strodl, G. Naddeo, EADS Astrium GmbH, Germany; J. Samson, P. Dieleman, National Aerospace Laboratory NLR; M. Ferraguto, Space Systems Finland; H-J. von der Hardt, Galileo Industries/ EADS Astrium GmbH; F. Gottifredi, Galileo Industries/Alenia Spazio, 2445
GNSS Simulation with the BaiCES System Simulator Navigation,
R. Kaniuth, B. Eissfeller, University FAF Munich, Germany; T. Rang, EADS Astrium GmbH, Germany; U. Rossbach, IfEN GmbH, Germany, 2457
Global Implications of GPS and Galileo RAAN Drifts on GNSS Performance,
H. Krag, A. Leonard, P. Ranaudo, Thales ATM GmbH, Germany; E. Blomenhofer, NavPos Systems GmbH, Germany, 2467
Integrity Investigations within the European Galileo System Test Bed (GSTB),
W. Werner, N. Lemke, I. Deuster, U. Rossbach, IfEN GmbH, Germany, 2478
Comparative Study Between the Accuracy of Stand-Alone GPS, Maritime DGPS and ESTB,
T. Moore, C. Hill, IESSG, The University of Nottingham, UK; L.S. Monteiro, IESSG, The University of Nottingham, UK/ Portuguese Hydrographic Office, Portugal, 2487
Advanced Navigation Simulator,
A. Jovancevic, S. Ganguly, A. Brown, J. Goda, M Kirchner, S. Zigic, Center for Remote Sensing, Inc, 2497
Development of Location Quality Assessment System (LoQAS),
Y. Konishi, Y-C. Suh, T. Hakamata, R. Shibasaki, Center for Spatial Information Science, University of Tokyo, Japan, 2509

B6: Receiver Technology 3
Kalman-Filter-Based Semi-Codeless Tracking of Weak Dual-Frequency GPS Signals,
H. Jung, M.L. Psiaki, S.P. Powell, Cornell University, 2515
A Software GPS Receiver Application for Embedding in Software Definable Radios,
K. Gold, A. Brown, NAVSYS Corporation, 2524
The Acquisition Process of a Maximun Likelihood GPS Receiver,
I.F. Progri, California State Polytechnic University; M.C. Bromberg, Elected Engineering, Inc.; W.R. Michalson, Worcester Polytechnic Institute, 2532
The Effects of the Radio Frequency Front-End onto Signal Estimation,
L. Marti, Avionics Engineering Center, Ohio University, 2543
Deeply Integrated Code Tracking: Comparative Performance Analysis,
D. Gustafson, J. Dowdle, The Charles Stark Draper Laboratory, Inc., 2553
Doppler Aided Tracking Loops for SRGPS Integrity Monitoring,
D. Gebre-Egziabher, A. Razavi, University of Minnesota-Twin Cities; P. Enge, J. Gautier, D. Akos, S. Pullen, Stanford University; B. Pervan, Illinois Institute of Technology, 2562
Real-Time Dual Frequency Software Receiver,
A. Jovancevic, A. Brown, S. Ganguly, J. Goda, M. Kirchner, S. Zigic, Center for Remote Sensing, Inc., 2572
Comparison of Multipath Mitigation Techniques with Consideration of Future Signal Structures,
M. Irsigler, B. Eissfeller, Institute of Geodesy and Navigation, University FAF Munich, Germany, 2584

C6: Carrier Phase-Based Positioning 2
Carrier Phase Indoor Positioning Using Pseudolites and INS,
W.W. Kao, C-L. Tsai, National Taiwan University of Science and Technology, Taiwan, 2593
Investigation of Combined GPS/GALILEO Cascading Ambiguity Resolution Schemes,
W. Zhang, M.E. Cannon, O. Julien, P. Alves, The University of Calgary, Canada, 2599
Strategy of Reliable Ambiguity Resolution for Static and Kinematic Applications,
H. Kotthoff, C. Hilker, C. Ziegler, Leica Geosystems AG, Switzerland, 2611
An Ambiguity Free Model for Deformation Detection with GPS,
X. Zhang, J. Liu, Z. Li, Wuhan University, P.R. China, 2617
Evaluation of Real-Time, Long-Range, Precise, Differential, Kinematic GPS Using Broadcast Orbits,
O.L. Colombo, GEST/NASA GSFC; A.W. Sutter, A.G. Evans, NSWC, Dahlgren Division, 2622
Concept for a Regional Satellite-Based Carrier-Phase Correction Service,
B. Townsend, Forgis Technologies Inc.; I. Petrovski, S. Kawaguchi, GNSS Technologies Inc., Japan; M. Kelly, Forgis Technologies Inc.; M. Ishii, H. Torimoto, GNSS Technologies Inc., Japan, 2631
Improving Ionospheric Estimation in the Quasi-Ionosphere-Free Ambiguity Resolution Strategy,
N. Brown, Department of Geomatics, University of Melbourne, Australia, 2637
High Accuracy GPS Carrier-Phase Positioning for ATLAS Airborne Mapping System,
S. Mole, M. Westwood, J. Goddard, P. Kightley, QinetiQ Ltd., UK, 2649

D6: Scientific/Timing Applications
The Space GPS Reflectometry Experiment on the UK Disaster Monitoring Constellation Satellite,
M. Unwin, S. Gleason, M. Brennan, Surrey Satellite Technology Ltd, UK, 2656
A Short-Arc Batch Estimation Strategy Towards Decimetre Level GPS-Based Onboard LEO Orbit Determination,
N. Zhou, Y. Feng, W. Enderle, Cooperative Research Centre for Satellite Systems, Queensland University of Technology, Australia, 2664
GPS Block IIR Non-Conservative Force Modeling: Computation and Implications,
M. Ziebart, S. Adhya, A. Sibthorpe, P. Cross, University College London, UK, 2671
GNSS Based Kinematic Acceleration Determination for Airborne Vector Gravimetry Methods and Results,
C. Kreye, G.W. Hein, University FAF Munich, Germany, 2679
GPS-Derived Tropospheric Delay Corrections to Differential InSAR Results,
V. Janssen, The University of New South Wales, Australia, 2692
Instantaneous Attitude Determination of a LEO Satellite by GPS Using Direct Orthogonalisation,
H. Urhan, TUBITAK-BILTEN, Turkey; M.S. Hodgart, S. Gleason, M.J. Unwin, Surrey Space Centre, UK, 2705
A New Algorithm for WAAS GEO Uplink Subsystem (GUS) Clock Steering,
M. Grewal, California State University, Fullerton; P-H. Hsu, T.W. Plummer, Raytheon Company, 2712
Bistatic Sensing with Reflected GPS Signals Observed with a Digital Beam-Steered Antenna Array,
K. Stolk, A. Brown, NAVSYS Corporation, 2720

E6: Space-Based Augmentation Systems
Proving SBAS Integrity Through Fault Tree-Based Systems Engineering,
G.T. Watt, C.L. De La Cruz, H.L. Habereder, D.R. Heine, Raytheon Company, 2730
Toward Real-Time SQM for WAAS: Improved Detection Techniques,
R.E. Phelts, T. Walter, P. Enge, Stanford University, 2739
Overview of the WAAS Integrity Design,
M.S. Grewal, California State University, Fullerton; H. Habereder, T.R. Schempp, Raytheon Company, 2750
A Prototype WAAS (SBAS) L1/L5 Signal Generator,
D. Bobyn, Dan Bobyn Engineering Ltd.; A.J. Van Dierendonck, GPS Silicon Valley; H. Kroon, Rockyview Technology, Inc.; M. Clayton, NovAtel, Inc.; P. Reddan, Zeta Associates, Inc., 2760
On the Ionospheric Impact of Recent Storm Events on Satellite-Based Augmentation Systems in Middle and Low-Latitude Sectors,
A. Komjathy, L. Sparks, A.J. Mannucci, X. Pi, Jet Propulsion Laboratory, California Institute of Technology, 2769
Beyond the EGNOS System Test Bed - Providing EGNOS Services,
R. Kirjner, A. Lyon, J. Westbrook, The European Satellite Services Provider, Belgium, 2777
EGNOS Vertical Protection Level Assessment,
D. Comby, French Air Force; R. Farnworth, Eurocontrol Experimental Centre; C. Macabiau, ENAC, France, 2783
Indian Plan for Satellite-Based Navigation Systems for Civil Aviation,
A.K. Sisodia, J.K. Hota, N.J. Vora, Asif Siddiqui, H.C. Sanandiya, S.C. Bera, Space Applications Centre, India, 2795
Required Data Rate for an SBAS L5 Signal,
T. McKendree, D. Cormier, Raytheon Company; J. Studenny, CMC Electronics, Canada, 2812
Flight Evaluation of GPS Aided Inertial Navigation Avionics with MSAS Augmentation (MSAS-GAIA),
H. Tomita, M. Harigae, National Aerospace Laboratory of Japan; K. Hoshinoo, Electronic Navigation Research Institute (ENRI), 2819
EGNOS Positioning at High Latitudes with a GPRS-Based EGNOS SIS Receiver,
R. Chen, The Finnish Geodetic Institute, Finland, 2828

F6: Inertial Navigation Systems
A Comparison of MEMS-Based IMU Calibration Models for Autonomous MAV Navigation,
M. Buschmann, S. Winkler, T. Kordes, H.-W. Schulz, P. Vörsmann, Institute of Aerospace Systems, Technical University of Braunschweig, Germany, 2833
Miniature MEMS Quartz IMU for Aerospace and Defense Applications,
R. Jaffe, M. Carroll, BEI Systron Donner Inertial Division; P. Carter, A.M. Madni, BEI Technologies, Inc., 2840
Kinematic GPS-Inertial Navigation on a Tactical Fighter,
M. Nylund, A. Brown, J.J. Clark, NAVSYS Corporation, 2851
Inertial Sensors Errors Modeling Using Allan Variance,
H. Hou, N. El-Sheimy, The University of Calgary, Canada, 2860
A Personal Navigation Test Platform Based on Low-Cost Inertial Components,
J. DeChiaro, C. Strus, W.R. Michalson, Worcester Polytechnic Institute, 2868
An Ultra-Tightly Coupled GPS/INS Integration Using Federated Kalman Filter,
H-S. Kim, S-C. Bu, G-I. Jee, Konkuk University, South Korea; C-G. Park, Seoul National University, South Korea, 2878
High Sensitivity GPS Velocity Updates for Personal Indoor Navigation Using Inertial Navigation Systems,
M.G. Petovello, O. Mezentsev, G. Lachapelle, M.E. Cannon, The University of Calgary, Canada, 2886
Enhanced Gravity Compensation for Improved Inertial Navigation Accuracy,
D.A. Grejner-Brzezinska, Y. Yi, C. Toth, Ohio State University; R. Anderson, J. Davenport, D. Kopcha, R. Salman, National Imagery and Mapping Agency, 2897