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ION Proceedings


ION GPS 2001
14th International Technical Meeting of the Satellite Division of the Institute of Navigation

September 11-14, 2001
Salt Palace Convention Center, Salt Lake City, Utah

Table of Contents


A1: GNSS STATUS, CONTROL AND SPECTRUM MANAGEMENT
Testing and Research on Interference to GPS from UWB Transmitters,
M. Luo, D. Akos, M. Koenig, G. Opshaug, S. Pullen, P. Enge, Stanford University; B. Erlandson, Collins Rockwell Corp./ RTCA; S. Frodge, U.S. Department of Transportation,  1
GPS Receiver Susceptibility to Ultra-Wideband RFI: Test Results and RFI Link Analyses,
R.J. Erlandson, Rockwell Collins; A.J. Van Dierendonck, AJ Systems,  14
Development of New GPS Performance Standards,
J. Anton, HQ USAF/XOS; R. Hessin, AFMC SMC Department 12; J. Sapp, Scitor Corporation; R. Conley, Overlook Systems Technologies Inc.,  26
The Interagency Forum for Operational Requirements,
J.W. Lavrakas, Overlook Systems Technologies, Inc.,  34
Australian Issues in GNSS Application: Operations of the Australian GNSS Coordination Committee (AGCC),
D. Sinnott, Cooperative Research Centre for Sensor Signal and Information Processing, Australia,  51
Quantitative Risk Analysis of GPS as a Critical Infrastructure for Civilian Transportation Applications,
B.B. Mahoney, Zeta Associates Incorporated; Y.Y. Haimes, University of Virginia,  57
GLONASS:, Still Out There,
G.L. Cook, Sequoia Research Corporation,  68
GPS Performance Monitoring Results for Operational Applications Including B-RNAV,
D. Walsh, G. Brodin, M. Daly, Civil Aviation Authority Institute of Satellite Navigation, University of Leeds, UK; M. Denney, S. Griffin, Safety Regulation Group, UK CAA,  75
Report of the AIAA International Space Cooperation Working Group on Global Navigation Satellite Systems,
D. Turner, The Aerospace Corporation,  81


B1: RECEIVER DESIGN I
Synergies on Handset Architecture Level for Combined GNSS and Wireless Location,
G. Heinrichs, MAN Technologie AG, Germany; B. Eissfeller, University Federal Armed Forces, Germany,  90
An Efficient Weak Signal Acquisition Algorithm for a Software GPS Receiver,
D.M. Lin, J.B.Y. Tsui,. Air Force Research Laboratory,  115
FFT Acquisition of Periodic, Aperiodic, Puncture, and Overlaid Code Sequences in GPS,
C. Yang, Sigtem Technology, Inc.,  137
Mitigation of the Near-Far Problem by Successive Interference  Cancellation,
P.H. Madhani, P. Axelrad, University of Colorado; K. Krumvieda, J. Thomas, Data Fusion Corporation,  148
Enhanced Sensitivity for Acquisition in Weak Signal Environments through the use of Extended Dwell Times,
J.L. Shewfelt, R. Nishikawa, C. Norman, G.F. Cox, SiRF Technology, Inc.,  155
Mitigating Short-Delay Multipath: A Promising New Technique,
J.-M. Sleewaegen, F. Boon, Septentrio Satellite Navigation, Belgium,  204
High Precision Algorithm for Phase Estimates,
A. Steingass, German Aerospace Centre (DLR), Germany,  214
GPS for the E911 Location Requirement – The Practical IP Approach,
P. Anderson, J. Bickerstaff, Parthus (UK) Ltd.,  218
A GPS Receiver for Space Applications,
O. Montenbruck, M. Markgraf, S. Leung, E. Gill, German Space Operations Center, Germany,  227

C1: NEW APPLICATIONS OF SATELLITE NAVIGATION
Integrating GPS, INS and Augmented Reality for Sub-Surface Visualisation,
G. Roberts, A. Evans, A. Dodson, B. Denby, S. Cooper, R. Hollands, University of Nottingham, UK,  233
Real Time Personal Positioning and Physiological Monitoring System,
G.S. Hoffman, M.M. Miller, Air Force Institute of Technology,  267
The Brunel Navigation System for Blind: Determination of the Appropriate Position to Mount External GPS Antenna on the User's Body,
V. Garaj, Brunel University, UK,  274.
Design of Applications for Navigation and Tracking Using Mobile Data Terminal with GPS and CDMA Modem,
J.-S. Gil, S.-J. Park, M.-P. Hyun, Elextech, Inc, Korea,  280
Centralised Kalman Filter for Augmented GPS Pedestrian Navigation,
V. Gabaglio, Swiss Federal Institute of Technology, Switzerland,  312
PARAMOUNT – Public Safety and Commercial Info-Mobility Applications and Services in the Mountains,
E. Löhnert, E. Wittmann, J. Pielmeier, IfEN Gesellschaft für Satellitennavigation mbH, Germany; F. Sayda, University of the Bundeswehr Munich, Germany,  319
Location of Cellular Users for Emergency Services – LOCUS,
W. Lechner, S. Baumann, Telematica e.K., Germany; F. Collomb, FDC, France; H.P. Dien, G. Fischer, max.mobil, Austria; L. Lopes, G. Paris, Motorola, UK; C. Rodriguez, Public University of Navarra, Spain; P. Pilloni, Telespazio, Italy,  326
A New Paradigm for High Accuracy Orbit Determination at the Centimeter Level,
D.W. Allan,  331

D1: NETWORK-BASED TECHNIQUES FOR RTK APPLICATIONS
Rapid Static and Kinematic Positioning with Hong Kong GPS Active Network,
W. Chen, C. Hu, Y. Chen, X. Ding, Hong Kong Polytechnic University; Simon, C.-W. Kowk, Geodetic Survey Section, Lands Department, Hong Kong,  346
RTK-GPS Positioning in Japan by Virtual Reference Station (VRS) System with GPS-Based Control Stations,
H. Namie, N. Hagiwara, National Defense Academy of Japan; H. Kim, FuiYoSe Co., Ltd; N. Nitta, AD NET INC.; Y. Shibahara, Mitsubishi Electric Co., Japan; T. Imakiire, Geographical Survey Institute of Japan; A. Yasuda, Tokyo University of Mercantile Marine, Japan,  353
Subsidence Monitoring System using Real-Time GPS Sensors,
K. Borre, Aalborg University, Denmark; K. de Jong, Delft University of Technology, Netherlands;  C. Pichot, Thales-Navigation, France,  362
RTK Networks based on Geo++® GNSMART – Concepts, Implementation, Results,
G. Wübbena, A. Bagge, M. Schmitz, Geo++® GmbH, Germany,  368
Study of a Simplified Approach in Utilizing Information from Permanent Reference Station Arrays,
H-J. Euler, C.R. Keenan, B.E. Zebhauser, Leica Geosystems AG, Switzerland; G. Wübbena, Geo++ GmbH, Germany,  379
A Study of GPS/GLONASS Multiple Reference Station Techniques for Precise Real-Time Carrier Phase-Based Positioning,
L. Dai, S. Han, J. Wang, C. Rizos, University of New South Wales, Australia,  392.
Improving a Multi-Reference GPS Station Network Method for OTF Positioning in the St. Lawrence Seaway,
L.P. Fortes, M.E. Cannon, S. Skone, G. Lachapelle, University of Calgary, Canada,  404
The Evaluation of the Accuracy and Measurement of Latency of Internet-Based DGPS and RTK-GPS Positioning,
Z. Liu, A. Yasuda, Tokyo University of Mercantile Marine, Japan; C. Fan, Tokyo University of Fisheries, Japan,  415

E1: LAND APPLICATIONS
Vision-GPS Fusion for Guidance of an Autonomous Vehicle in Row Crops,
T. Bak, Aalborg University, Denmark,  423
GPS Positioning in the Fast Track: Track Model Constraint Enhancement for OEM4,
T. Ford, NovAtel Inc., Canada; K. Milnes, M. Lazar, Sportvision Inc.,  452
A Low-Cost Portable Mobile Mapping (PMM) System Integrating GPS, Attitude Sensors, and a Digital Camera,
N. El-Sheimy, C. Ellum, The University of Calgary, Canada; A. Tabsh, Premier GPS Inc., Canada,  464
Data Processing and Multipath Mitigation for GPS/Accelerometer Based Hybrid Structural Deflection Monitoring System,
G.W. Roberts, X. Meng, A.H. Dodson, Institute of Engineering Surveying and Space Geodesy, The University of Nottingham, UK,  473
Performance of a Low Cost System for Automated Documentation of Crash Scenes Using GPS (AutoDOCS-GPS),
C. Rodgers, R. Nelsen, D. Greenlee, T. Assefa, A. Smith, OPTIMUS Corporation,  509
GPS-Based Proximity Warning System for Mining and Construction Equipment,
T. Holden, Trimble Navigation, Inc.; T. Ruff, National Institute for Occupational Safety and Health,  517
The GRAS SAF Project - An Operational Radio Occultation System,
F. Rubek, G.B. Larsen, Danish Meteorological Institute (DMI), Denmark; J.M. Aparicio, Institut d'Estudis Espacials de Catalunya (IEEC), Spain,  526
High-Accuracy GPS and Gravity Surveys in North Slope, Alaska,
T. Chen, J. Ferguson, C. Aiken, The University of Texas at Dallas; J. Siebert, Seibert Association; J. Hare, Zonge Engineering and Research Organization; J. Brady, BPExploration Alaska,  532
Chasing Dead People with GPS,
B. Nelson, Arizona Department of Transportation,  564.

 

F1: AVIATION APPLICATIONS
GNSS Performance Limitations over Airports at High Latitude and in the Geo Signals Overlapping Zones,
D. Belloni, C. Carnebianca, F. Costa, G. Nobile, A. Parente, R. Rauber, Ingegneria Dei Sistemi IDS, Italy, . 567
Sensitivity of WAAS LNAV/VNAV Coverage with the New Integrity Monitor Design,
R. Fries, C. Griffith, E. Altshuler, S. Peck, Raytheon Company,  575
Detection of Multipath Influence at DGPS Reference Stations,
M. Höper, T. Boelow, H. Hoffmann, Aerodata Systems GmbH, Germany,  581
The Use of Raw GPS for Vertical Navigation,
J.D.A. Graham, NAV CANADA,  591
Availability of GPS/INS Integration Methods,
T. Murphy, M. Harris, Boeing Air Traffic Management; M.S. Braasch, Ohio University Avionics Engineering Center,  600
Using the GPS to Collect Trajectory Data for Ejection Seat Design, Validation, and Testing,
R. Tredway, M. Miller, J. Raquet, Air Force Institute of Technology,  610

A2: GPS MODERNIZATION I
The New L2 Civil Signal,
R.D. Fontana, GPS Joint Program Office; W. Cheung, P.M. Novak, Science Applications International Corporation; T.A. Stansell, Jr., Stansell Consulting,  617
Safety of Life Considerations for GPS Modernization Architectures,
G. McGraw, Rockwell Collins; T. Murphy, Boeing Air Traffic Management,  632
GPS IIF and Modernization – Taking the Most Advantage of GPS IIF Flexibility,
P. Fyfe, K. Ghassemi, D. Thompson, E. Watts, The Boeing Company,  641
Real-Time Kinematic in the Light of GPS Modernization and Galileo,
B. Eissfeller, T. Pany, R. Biberger, T. Schueler, Institute of Geodesy and Navigation, Germany; C.  Tiberius, Delft University of Technology, Netherlands; G. Heinrichs, MAN Technologie AG, Germany,  650
A L5 Receiver Test Bench,
L. Ries, J. Dantepal, J.-L. Issler, CNES, France,  683
Satellite Autonomous Integrity Monitoring and its Role in Enhancing GPS User Performance,
L. Viðarsson, S. Pullen, G. Green, P. Enge, Stanford University and NavAstro Co.,  690
A Systems Approach to a National Position, Navigation and Timing Service,
J.W. Lavrakas, Overlook Systems Technologies, Inc.,  703.

GPS III,
S. Lazar, The Aerospace Corporation,  737

B2: RECEIVER DESIGN II
Development of a Flexible Receiver for Galileo Navigation Signal Verification,
S. Berberich, P.A. Krauss, Astrium GmbH, Germany; A. Botchkovski, Soft Nav Ltd., Russia,  758
Architecture of Software of TFAG50 Low-Cost Low Power GPS/GLONASS Receiver,
A. Fridman, S. Semenov, Taiwan Falcon Aerospace Corporation,  768
On Implementing GPS Block Processing Techniques in Fixed-Point Programmable Hardware,
S. Gunawardena, F. van Graas, Ohio University,  778
A Complete IF Software GPS Receiver: A Tutorial about the Details,
K. Krumvieda, C. Cloman, E. Olson, J. Thomas, W. Kober, DFC; P. Madhani, P. Axelrad, CCAR 789
GPS in 300 Square Millimetres,
P.G. Mattos, ST Microelectronics, UK,  830
Engineering a GPS Receiver for Lowest Power Consumption,
F. Piazza, M. Cavadini, A. Knecht, TChip Semiconductor SA, Switzerland; J. Bruister, SoC Solutions LLC,  835
Dual-Frequency Receiver Technology for Mass-Market Applications,
T. Hekmat, G. Heinrichs, MAN Technologie AG, Germany,  844
The Projectile Challenge for GPS Guidance,
L.L. Wells, L3-Interstate Electronics Corporation,  850
PiVoT GPS Receiver,
M.D. Wennersten, G.J. Boegner, L. Dougherty, B.L. Edwards, J. Roman, NASA, Goddard Space Flight Center; A.V. Banes, Orbital Sciences Corporation,  855
The New THALES DG16 GPS Receiver,
M. Abousalem, S. Mogallur, S. Lusin, O. Tubalin, THALES Navigation,  862

C2: JAMMING & UNINTENTIONAL INTERFERENCE
GPS Interference Detection and Identification using Multicorrelator  Receivers,
F. Bastide, C. Macabiau, ENAC, France; E. Chatre, STNA, France,  872
GPS Signal Degradation Modeling,
C. Ma, G.-I. Jee, G. MacGougan, G. Lachapelle, University of Calgary, Canada; S. Bloebaum, Ericsson Inc.; G. Cox, L. Garin, J. Shewfelt, SiRF Technology Inc.,  882
Test Results of a Digital Beamforming GPS Receiver in a Jamming Environment,
A. Brown, N. Gerein, NAVSYS Corporation,  894.
Use of Anti-Jam Equipment in Location of Interference Sources,
K. Falcone, Mayflower Communications Company, Inc.,  904
North Slope 2000: Flight Testing Military/Civil GPS Receivers Against North Warning System Radars,
V. Andreone, SAIC; R. Mediavilla, Hill Air Force Base; C. Broughton, Holloman Air Force Base,  912
Terrain Aiding for Precision Navigation in Heavy GPS Jamming,
M. Perrett, J. Krempasky, Raytheon Missile Systems,  924
An Improved Adaptive Spatial Temporal Selective Attenuator,
l.F. Progri, W.R. Michalson, Worcester Polytechnic Institute,  932
Study and Comparison of Interference Mitigation Techniques for GPS Receiver,
V. Calmettes, F. Pradeilles, M. Bousquet, Tesa-SupAero, France,  957
Anti-Jamming Solution of GPS Receiver using Nonlinear Adaptive Predictor,
W.-L. Mao, H.-W. Tsao, F.-R. Chang, National Taiwan University, Taiwan,  969
Vulnerability Assessment of the U.S. Transportation Infrastructure that Relies on GPS,
J.V. Carroll, K. Van Dyke, J.H. Kraemer, U.S. Dept. of Transportation; C. Rodgers, OPTIMUS Corporation,  975

D2: CARRIER PHASE-BASED POSITIONING I
Small Dynamic Antenna Movements Detected from Phase Residual,
R. Schaal, A.P. Larocca, Escola de Engenharia de São Carlos, Brazil,  982
On-Line GPS Integrity Monitoring and Deformation Analysis for Structural Monitoring Applications,
C. Ogaja, The University of New South Wales, Australia,  989
Permanent Object Monitoring with GPS with 1 Millimeter Accuracy,
G. Wübbena, A. Bagge, G. Boettcher, M. Schmitz, Geo++® GmbH, Germany; P. Andree, AGC ISHI, Germany, 1000
P3 Aircraft Buffeting Measurement using Precise Carrier Phase  Techniques,
M.E. Cannon, G. Lachapelle, M. Olynik, M.G. Petovello, University of Calgary, Canada; W. Gelatka, J. Davis, Naval Air Warfare Center,  1009
A Technique for Precise Positioning of High Altitude Platforms System (HAPS) using a GPS Ground Reference Network,
T. Tsujii, J. Wang, L. Dai, C. Rizos, The University of New South Wales, Australia; M. Harigae, T. Inagaki, T. Fujiwara, National Aerospace Laboratory, Japan; T. Kato, Meteorological Research Institute, Japan,  1017
THALES Navigation's LRK® , an Improved RTK Solution for Long Baselines: Technique, Applications and Field Results,
P. Lutz, R. Gounon, Thales Navigation, France, 1027

A Recursive Least Squares Approach for Carrier Phase Based Positioning,
X.-W. Chang, C.C. Paige, L. Qiu, McGill University, Canada,  1039
Study of Improved Observation Modeling for Surveying Type Applications in Multipath Environment,
B. Richter, H.-J. Euler, Leica Geosystems AG, Switzerland,  1048
A Technique to Reduce Correlated Errors in Continuous Monitoring Applications,
Z. Mat Amin, Universiti Teknologi Malaysia; D.R. Twigg, Loughborough University,  1056
Low Cost RTK for Agricultural Applications,
M. Whitehead, J. McClure, SATLOC a CSI Wireless Company,  1062
Implementation of a GPS Reference Network for Precise Real Time Positioning in Recife, Brazil,
S. Willgalis, G. Seeber, F. Menge, Universität Hannover, Germany; C.P. Krueger,
Universidade Federal de Paraná (UFPR), Brazil; V.M.C. Romão, Universidade Federal de Pernambuco (UFPE), Brazil,  1071

E2: GPS METEOROLOGY
Atmospheric Delay Estimates from a Ground-Based Real-Time GPS Network,
B. Stoew, J. Johansson, G. Elgered, Onsala Space Observatory, Chalmers University of Technology, Sweden; P. Jarlemark, SP Swedish National Testing and Research Institute, Sweden,  1079
Near Real-Time Water Vapor Monitoring in a German GPS Network and Assimilation into Weather Forecast Model,
C. Reigber, G. Gendt, G. Dick, M. Tomassini, GeoForschungsZentrum Potsdam, Germany,  1084
Precipitable Water Measurements Using GPS: A Case Study in Brazil,
L.F. Sapucci, UNESP, Presidente Prudente, Brazil,  1094
4D-VAR Assimilation of GPS-Derived ZTD: A Case Study,
L. Cucurull, A. Rius, IEEC/CSIC, Spain; F. Vandenberghe, NCAR; M. de Pondeca, Florida State University,  1099
Measuring Tropospheric Delay from a Floating GPS Receiver,
A. Dodson, T. Moore, M. Pattinson, The University of Nottingham, UK,  1109
Retrieval of Key Climate Variables using Occultation Geometry of a Mountain Top GPS Receiver,
A. Mousa, T. Tsuda, Kyoto University, Japan,  1117
Raytracing Tomography Analysis of Airborne GPS Travel-Time Data,
J.M. Aparicio, A. Rius, Institute of Space Studies of Catalonia (IEEC/CSIC), Spain,  1127
EPS GRAS Mission for Operational GPS Meteorology,
J.-P. Luntama, EUMETSAT, Germany,  1137

GPS and Ground-Based Microwave Radiometer IPWV: A Case Study at Cagliari Astronomical Station, Italy,
R. Pacione, C. Sciarretta, Telespazio S.p.A - Centro di Geodesia Spaziale, Italy; E. Fionda, Fondazione Ugo Bordoni, Italy; F. Vespe, Agenzia Spaziale Italiana - Centro di Geodesia Spaziale, Italy; R. Ferrara, Università di Perugia, Italy,  1148

F2: PRECISION LANDING APPLICATIONS
Flight Test of the JPALS LDGPS Demonstration System,
C.J. Bett, S.A. Simon, B.J. Farnworth, Raytheon Company; R.W. Boyd, J.J. Brewer, JPALS Responsible Test Organization,  1159
Certification and Operational Performance of GPS-Based Landing Systems,
D.A. Stratton, C. Douglas, R. Gollnick, Rockwell Collins Inc.; R. Cole, Federal Express, Inc.,  1170
Interoperability Between Civil LAAS and Military JPALS Precision Approach and Landing Systems,
T. Katanik, S. Simon, C. Bett, Raytheon Company; B. Driscoll, D. Tsamis, Rockwell Collins; J. Flemming, USAF ESC/GAL; R. Norwood, J. Barry, ARINC, Inc.,  1179
The LAAS VHF Data Broadcast Modeling, Siting, Flight Inspection, and Flight Test Results,
T.A. Skidmore, A.A. Wilson, Ohio University; M.R. Dickinson, Federal Aviation Administration; O.K. Nyhus, Honeywell,  1190
The Next Generation Integrity Monitor Testbed (IMT) for Ground System Development and Validation Testing,
P.-L. Normark, G. Xie, D. Akos, S. Pullen, M. Luo, J. Lee, P. Enge, Stanford University; B. Pervan, Illinois Institute of Technology,  1200
Calibration of LAAS Reference Antennas,
A.R. Lopez, BAE SYSTEMS Advanced Systems,  1209
Aircraft Antenna Calibration for the LAAS VHF Data Broadcast,
O.K. Nyhus, Honeywell; T.A. Skidmore, A.A. Wilson, Ohio University,  1219
System Concepts for Cycle Ambiguity Resolution and Verification for Aircraft Carrier Landings,
B. Pervan, F.-C. Chan, Illinois Institute of Technology; D. Gebre-Egziabher, S. Pullen, M. Koenig, U.S. Kim, P. Enge, Stanford University,  1228
Pseudolite Signal Creeping on Conducting Surfaces,
R.J. Biberger, G.W. Hein, B. Eissfeller, V. Oehler, T. Schueler, University FAF Munich, Germany,  1238
High Accuracy GPS and Antijam Protection using a P(Y) Code Digital Beamsteering Receiver,
A. Brown, NAVSYS Corporation,  1245

 

A3: GALILEO
GALILEO: Taking the Next Step,
L. Tytgat, European Commission, Belgium; P. Campagne, FDC, France,  1255
GALILEO System Architecture – Status and Concepts,
T. Weber, H.L. Trautenberg, C. Schäfer, Astrium GmbH, Germany,  1264
The GALILEO Frequency Structure and Signal Design,
G.W. Hein, J. Godet, J.-L. Issler, J.-Ch. Martin, R. Lucas-Rodriguez, T. Pratt, European Commission, Brussels,  1273
The Commercialisation of GNSS Services,
L. Dutton, R. Ahmed, Thales Avionics Limited, UK; J.-F. Bou, Thales Group, France,  1283
Selected Signal Analysis Results for Galileo,
T. Burger, H. Kuhlen, Astrium GmbH; B. Barnes, M. O'Donnell, Astrium Ltd., UK,  1291
A New System Level Integrity Concept for Galileo: The Signal in Space Accuracy,
E. Herráiz-Monseco, A. Mozo García, M.M. Romay Merino, A.B. Martín Peiró, GMV S.A., Spain,  1304
Evaluating the Performance of GALILEO using the NavSim Tool,
S. Schlüter, E. Engler, A. Steingass, R. Krämer, T. Noack, German Aerospace Center (DLR), Germany,  1317
Facilitating the Commercialisation of Galileo through Signal Design,
M. O'Donnell, M. Stevens, J. Gallimore, Astrium, UK,  1325

B3: MEMS INERTIAL MEASURING UNITS
Evolution of Low-Cost MEMS Inertial System Technologies,
R.S. Anderson, D.S. Hanson, A.S. Kourepenis, The Charles Stark Draper Laboratory, 1332
Unaided MEMS-Based INS Application in a Vehicular Environment,
J. Collin, J. Käppi, J. Saarinen, Tampere University of Technology, Finland,  1343
FAA Certification of a MEMS Attitude and Heading Reference System,
E. White, J.A. Rios, Crossbow Technology, Inc.,  1349
Personal Positioning using Wireless Assisted GPS with Low-Cost INS,
H. Leppäkoski, J. Saarinen, Tampere University of Technolgy, Finland; J. Syrjärinne, Nokia Mobile Phones, Finland,  1361
MEMS-IMU Based Pedestrian Navigator for Handheld Devices,
J. Käppi, J. Saarinen, Tampere University of Technology, Finland; J. Syrjärinne, Nokia Mobile Phones, Finland,  1369
Characteristics of Estimation Errors in INS Aided by a GPS Multi-Antenna System,
S. Hong, M.-H. Lee, C.S. Kim, Pusan National University, Korea,  1374
Fusion Filter Algorithm Enhancements for a MEMS GPS/IMU,
J.A. Rios, E. White, Crossbow Technology, Inc., 1382
Improving the Performance of Satellite Navigation Systems for Land Mobile Applications through the Integration of MEMS Inertial Sensors,
A. Kealy, S. Scott-Young, F. Leahy, The University of Melbourne, Australia; P. Cross, University College London, UK,  1394
Fusion of Reference-Aided GPS, Imagery, and Inertial Information for Airborne Geolocation,
A.G. Evans, U.V. Bhapkar, J.P. Cunningham, B.R. Hermann, Naval Surface Warfare Center; J.P. Dugan, J.Z. Williams, D.C. Campion, Areté Associates; O.L. Colombo, USRA/NASA,  1403
Export Controls for Inertial and GNSS Navigation Systems,
J.P. McHale, Institute for Defense Analyses,  1413

C3: INDOOR & CELL-PHONE LOCATION
Receiver Sensitivity Analysis and Results,
N.S. Sudhir, C. Vimala, J.K. Ray, Accord Software & Systems Private Limited, India, 1420
GPS and UWB for Indoor Navigation,
G.R. Opshaug, P. Enge, Stanford University,  1427
An Alternative Approach to Multipath and Near-Far Problem for Indoor Geolocation Systems,
I.F. Progri, W.R. Michalson, Worcester Polytechnic Institute,  1434
Ground Experimentation of a Pseudolite-Only Method for the Relative Positioning of Two Spacecraft,
G. Wawrzyniak, E.G. Lightsey, The University of Texas at Austin; K.W. Key, Titan Systems Corporation/LinCom Division,  1468
Indoor Navigation using a GPS Receiver,
S. Söderholm, T. Juhola, T. Saarnimo, V. Karttunen, T. Toivanen, Fastrax Ltd, Finland,  1479
Understanding the Indoor GPS Signal,
T. Haddrell, A.R. Pratt, Parthus (UK) Ltd,  1487
GPS Receiver Algorithms and System for Weak Signal Operation,
R. Bryant, S. Dougan, E. Glennon, Sigtec Navigation Pty Ltd, Australia,  1500
Handheld Map Display Tool for Disaster Information Access and  Management,
T. Mauney, D. Alford, T. Hale, Spatial Systems,  1511
Global Locate Indoor GPS Chipset and Services,
F. van Diggelen, Global Locate, Inc.,  1515

 

D3: CARRIER PHASE-BASED POSITIONING II
Hypothesis Testing for Resolving Integer Ambiguity in GPS,
J.D. Wolfe, W.R. Williamson, J.L. Speyer, University of California, Los Angeles, 1522
Improving Ambiguity Convergence in Carrier Phase-Based Precise Point Positioning,
Y. Gao, X. Shen, The University of Calgary, Canada,  1532
Reliability Analysis of a Quasi-Instantaneous Ambiguity Fixing Method,
T. Cunha, P. Tomé, S. Cunha, L. Bastos, University of Porto, Portugal,  1540
Survey Quality Real-Time GPS: Solving the Time to Fix vs. Reliability Paradox,
S. Han, R. Johnson, THALES Navigation,  1550
A Computationally Efficient Ambiguity Resolution Technique,
R. Hatch, T. Sharpe, NavCom Technology, Inc.,  1558
Flight Test of a Multiple Filter Approach for Precise DGPS Positioning and Carrier-Phase Ambiguity Resolution,
P.E. Henderson, Air Force Institute of Technology School of Engineering,  1565
Single-Epoch Ambiguity Resolution for Highway and Racetrack Applications,
J.W. Sinko, SRI International,  1575
Airborne DGPS without Dedicated Base Stations for Mapping Applications,
A.M. Bruton, M.M.R. Mostafa, B. Scherzinger, Applanix Corporation, Canada,  1584
Development of the First Military GPS Handheld Survey System: Initial Report,
J. Kelly, E. Bogensberger, S. Heitz, M. Johnson, K. Beckman, Rockwell Collins International,  1592

E3: MARINE APPLICATIONS & TOOLS
Is DGPS Still a Good Option for Mariners?,
T. Moore, C. Hill, IESSG, The University of Nottingham, UK; L. Monteiro, IESSG, The University of Nottingham, UK and Portuguese Hydrographic Office,  1598
An Ionospheric Warning and Alert System for the Canadian Coast Guard DGPS Service,
S. Skone, M. El-Gizawy, S.M. Shrestha, University of Calgary, Canada; S. Ryan, Canadian Coast Guard, Canada, 1606
Application of a Dual-Band Stand-Alone GPS Positioning System in Seismic Exploration,
R. Wong, E. Vigen, J. Thomson, WesternGeco L.L.C.,  1617
Decimeter-Level Real-Time Carrier Phase Positioning using Satellite Link,
D. ºapucha, R. Barker, John E. Chance and Assoc., Inc.; L. Ott, Omnistar, Inc.; T.E. Melgård, O. Ørpen, Fugro Seastar; H. Zwaan, Fugro-Intersite B.V.,  1624
The Impact of SA Removal on Navigation in the Gulf of Suez, and the Gulf of Aqaba,
H. El-Saadawy, Arab Academy for Science and Technology and Maritime Transport, Egypt,  1631
Do We Need to Complement GPS with an INS as Position Reference in Dynamic Positioning?,
J.-M. Godhavn, Kongsberg Seatex AS, Norway,  1636
USCG Tender Deployable Differential Reference Station,
D.B. Wolfe, D.J. Godfrey, M.W. Parsons, R.W. James, United States Coast Guard Command and Control Engineering Center,  1663
AIS is Coming!,
W.F.M. van der Heijden, TNO Physics and Electronics Laboratory, The Netherlands,  1670

F3: GROUND BASED AUGMENTATION SYSTEMS
Cat III Simulated Landing Performance for GLS and ILS Systems,
T. Murphy, L. Anderson, M. Harris, Boeing Air Traffic Management; N.H. Tang, Boeing Commercial Airplanes Group, 1679
Effects of GNSS Antenna Design on GBAS Accuracy and Availability,
S. Rowson, K. McGahee, Thales ATM; P. Calmejane, C. Dupouy, Service Technique de la Navigation Aerienne (STNA),  1689
Transient Performance Analysis of a Multicorrelator Signal Quality Monitor,
R.E. Phelts, A. Mitelman, S. Pullen, D. Akos, P. Enge, Stanford University,  1700
LAAS Integrity Risk Due to Satellite Ephemeris Faults,
C.A. Shively, CAASD, The MITRE Corporation,  1711
Ephemeris Protection Level Equations and Monitor Algorithms for GBAS,
S. Pullen, J. Lee, M. Luo, Stanford University; B. Pervan, F.-C. Chang, L. Gratton, Illinois Institute of Technology,  1738
Initial Assessment of Precision Approach Guidance Quality,
J.J. Vaccaro, L.F. Wiederholt, The MITRE Corporation,  1750
Flight Experiment of GBAS in Japan,
S. Saitoh, S. Fukusima, N. Fujii, Electronic Navigation Research Institute (ENRI), Japan,  1757
PVT Continuity using the LAAS Ground Facility,
P. Kline, Honeywell Commercial Aviation Systems,  1788
GBAS Testbed Development in Taiwan with A Prototype GPS/GBAS Software Receiver,
H.-S. Wang, J. Huang, S.-K. Wang, Y.-C. Chuang, A. Kao, Y.-J. Tsen, Industrial Technology Research Institute (ITRI), Taiwan; Y.-J. Tsai, MediaTek Inc., Taiwan; F.-R. Chang, W.-C. Yang, National Taiwan University, Taiwan,  1796

 

A4: GNSS AUGMENTATION SYSTEMS I
SBAS Integrity Verification,
P.B. Ober, Delft University of Technology, The Netherlands; R. Farnworth, E. Breeuwer, Eurocontrol Experimental Center, France; D. van Willigen, Reelektronika b.v., The Netherlands,  1805
WAAS Algorithm Contribution to Hazardously Misleading Information (HMI),
T.R. Schempp, S.R. Peck, R.M. Fries, Raytheon Company,  1831
GALILEO Integrity Performance Assessment (GIPA),
W. Werner, T. Zink, E. Löhnert, J. Pielmeier, IfEN Gesellschaft für Satellitennavigation mbH, Germany,  1838
EGNOS CPFPS Status Prior to the Final Implementation Stage,
N. Zarraoa, E. Sardón, I. Delgado, M.A. Fernández, GMV, S.A., Spain,  1850
EGNOS Operational Validation: A Status Update,
E. Breeuwer, R. Farnworth, S. Soley, EUROCONTROL Experimental Centre, France,  1859
EGNOS System Test Bed Evolution and Utilisation,
H. Secretan, J. Ventura-Traveset, F. Toran, European Space Agency, France; G. Solari, European Space Agency, Belgium; S. Basker, Booz•Allen & Hamilton Ltd., UK,  1891
EGNOS Trial on North Atlantic and Arctic Ocean,
S. Haugg, MAN Technologie AG, Germany; W. Richert, Software Consult GmbH, Austria; R. Leoson, Hochschule Bremen, Germany,  1901
Analysis of Flight Test Results with SA-ON/OFF for POR Position Solution in Japan,
M. Kawai, H. Nakao, Furuno Electric Co. Ltd.; K. Hoshinoo, K. Matsunaga, Electronic Navigation Research Institute; M. Ueno, CNRS I3S Laboratory,  1909
High Speed Loran-C Data Communications – Flight Test Results,
B. Peterson, K. Dykstra, Peterson Integrated Geopositioning, LLC; P. Swaszek, University of Rhode Island; J.M. Boyer, K.M. Carroll, United States Coast Guard LORAN Support Unit; M. Narins, Federal Aviation Administration,  1919

B4: ANTENNA TECHNOLOGY
Structured Design of H-Field Antennae for Low Frequency GNSS Augmentation Systems,
W.J. Pelgrum, Delft University of Technology, The Netherlands, 1933
The Design and Performance of the Zephyr Geodetic Antenna,
E. Krantz, S. Riley, P. Large, Trimble Navigation Ltd., 1942
An Investigation of the Adaptive Temporal Selective Attenuator,
I.F. Progri, G. Bogdanov; V.C. Ramanna, Worcester Polytechnic Institute,  1952
Calibrating the L1 and L2 Phase Centers of a Block IIA Antenna,
G.L. Mader, National Geodetic Survey; F. Czopek, Boeing Company,  1979
An Investigation of the Adaptive Spatial Temporal Selective Attenuator,
W.R. Michalson, I.F. Progri, Worcester Polytechnic Institute,  1985
Test Results of a 7-Element Small Controlled Reception Pattern Antenna,
A. Brown, D. Morley, NAVSYS Corporation,  2022
Advanced PinwheelTM Compact Controlled Reception Pattern Antenna (AP-CRPA) Designed for Interference and Multipath Mitigation,
W. Kunysz, NovAtel Inc., Canada,  2030
Digital Beamforming Monopulse for GPS Attitude Determination,
C. Yang, Sigtem Technology, Inc.,  2037
Modular GPS Software Radio Architecture,
N. Gerein, A. Brown, NAVSYS Corporation,  2048

C4: INTEGRATION OF GPS & GALILEO
Galileo Plus GPS – Oportunities,
J. Spiller, T. Tapsell, R. Peckham, Astrium, UK,  2059
Navigation Related Communication Services, the Case of a GALILEO Service Option,
R. Pasquali, Telespazio S.p.A, Italy,  2067
The Effect of Galileo on Carrier Phase Ambiguity Resolution,
P. Alves, The University of Calgary, Canada,  2086
Availability and Reliability Advantages of GPS/Galileo Integration,
K. O'Keefe, The University of Calgary, Canada,  2096
Galileo Performance Improvement for Urban Users,
M. Malicorne, M. Bousquet, V. Calmettes; TESA-SUPAERO, France; B. Lobert, C. Bourga, Alcatel Space Industry,  2105
An Integrated GNSS Concept, Galileo and GPS, Benefits in Terms of Accuracy, Integrity, Availability and Continuity,
M.M. Romay Merino, A.J. Gavín Alarcón, I. Juárez Villares, E. Herráiz Monseco, GMV SA, Spain,  2114
Galileo Constellation MEO Only – Advantages and Disadvantages,
J. Januszewski, Gdynia Maritime Academy, Poland,  2125

D4: ALGORITHMS & METHODS I
Approach for Multipath Reduction using Wavelet Algorithm,
L. Xia, LIESMARS, Wuhan University, China; J. Liu, GPS Engineering Research Center, Wuhan University,  2134.

Mitigation of GPS Carrier Phase Multipath Effects in Real-Time Kinematic Applications,
D. Kim, R.B. Langley, University of New Brunswick, Canada,  2144
Attacking Multipath Problems by Solving Non Linear Equations,
K. Kaindl , N. Niklasch, ViCon Engineering GmbH, Germany,  2153
A New Method to Performance Enhancement of Tracking Modules in a Multipath Environment for Satellite Based Navigation Systems,
G. Gera, C.S. Regazzoni, University of Genoa, Italy,  2161
How to Deal with Station Dependent Errors – New Developments of the Absolute Field Calibration of PCV and Phase-Multipath with a Precise Robot,
V. Böder, F. Menge, G. Seeber, Institut für Erdmessung, Universität Hannover, Germany; G. Wübbena, M. Schmitz, Geo++®, Gesellschaft für Satellitengestützte geodätische und navigatorische Technologien mbH, Germany,  2166
Antenna Array Auto-Calibration Applied to Synchronisation in Navigation Systems,
J. Selva, German Aerospace Centre (DLR),  2177
Testing, Benchmarking and Noise Estimation Methods for Geodetic GPS Receiver Systems,
P. Large, Trimble Navigation Ltd., Westminster, CO; S. Riley, Trimble Navigations Ltd., Sunnyvale, CA,  2186
Improving the Accuracy of Static GPS Positioning with a New Stochastic Modelling Procedure,
C. Satirapod, The University of New South Wales, Australia,  2196
Cycle Slip Detection in Carrier Tracking Loops,
D. Thuringer, G.A. McGraw, Rockwell Collins,  2206

E4: TIME KEEPING & SYNCHRONIZATION
Capabilities of the WAAS and EGNOS using High Gain Antennas for Time Distribution and Frequency Transfer,
P. Fenton, NovAtel Inc., Canada; E. Powers, USNO; B. Klepczynski, ISI; W. Lewandowski, BIPM, France; R. Douglas, NRC, Canada,  2214
Using the Canadian Active Control System (CACS) for Real-Time Monitoring of GPS Receiver External Frequency Standards,
F. Lahaye, P. Collins, P. Héroux, M. Daniels, J. Popelar, Natural Resources Canada,  2220
Frequency Transfer using GPS/GLONASS Carrier Phase,
H.-M. Peng, K.-Y. Tu, C.-S. Liao, National Standard Time and Frequency Lab., TL, Chunghwa Telecom Co., Ltd., Taiwan; F.-R. Chang, National Taiwan University, Taiwan,  2229
Building an Inexpensive Time Reference System using an OEM GPS Receiver and RT-Linux,
S. Silva, R. Chilro, S. Cunha, Faculty of Engineering of Porto University, Portugal,  2234.

Test Results from a Digital P(Y) Code Beamsteering GPS Receiver Designed for Carrier-Phase Time Transfer,
A. Brown, N. Gerein, NAVSYS Corporation; E. Powers, US Naval Observatory,  2238
GNSS2 Payload: Propagation Delays; Possible Architectures,
L. Lestarquit, L. Ries, J. Dantepal, C. Zanchi, A. Mallet, P. Dumon, CNES, France,  2246
Frequency Transfer in Space with GPS Measurements,
S.-C. Wu, S. Byun, California Institute of Technology,  2256

F4: SPACE APPLICATIONS
The Ohio State University IGS LEO/GPS Pilot Project: Status and Future Plans,
D.A. Grejner-Brzezinska, J.H. Kwon, C.K. Shum, The Ohio State University,  2263
Orbit Determination of VSOP-2 with GPS Measurements,
S.-C. Wu, Y. Bar-Sever, California Institute of Technology,  2272
Optimization of Parameterization in Ionospheric Tomography,
Z. Liu, Y. Gao, The University of Calgary, Canada,  2277
Hardware-in-the-Loop GPS Test Facility for Spacecraft Autonomous Rendezvous,
T. Ebinuma, R.H. Bishop, E.G. Lightsey, The University of Texas at Austin,  2286
Orbit Determination with NASA's High Accuracy Real-Time Global Differential GPS System,
R.J. Muellerschoen, A. Reichert, D. Kaung, M. Heflin, W. Bertiger, Y. Bar-Sever, California Institute of Technology,  2294
Decentralized Relative Navigation for Formation Flying Spacecraft using Augmented CDGPS,
C.-W. Park, P. Ferguson, N. Pohlman, J.P. How, Massachusetts Institute of Technology,  2304
Test Results of the PiVoT Receiver in High Earth Orbits using a GSS GPS Simulator,
M.C. Moreau, P. Axelrad, University of Colorado at Boulder; J.L. Garrison, Purdue University; M. Wennersten, NASA Goddard Space Flight Center; A.C. Long, Computer Sciences Corporation,  2316
GPS Range Safety for the H-IIA Launch Vehicle,
T. Miyano, S. Matsumoto, Y. Suzuki, T. Mugitani, N. Kohtake; National Space Development Agency of Japan; A. Itsukaichi, T. Ito, Toshiba Corporation, Japan,  2327

A5: GNSS AUGMENTATION SYSTEMS II
WAAS Measurement Processing, Reducing the Effects of Multipath,
K. Shallberg, Zeta Associates Incorporated; P. Shloss, E. Altshuler, L. Tahmazyan, Raytheon Company,  2334.

Assessment of Atmospheric Delay Correction Models for the Japanese MSAS,
M. Ueno, CNRS I3S Laboratory, France; K. Hoshinoo, K. Matsunaga, Electronic Navigation Research Institute; M. Kawai, H. Nakao, Furuno Electric Co., Ltd.; R.B. Langley, S.B. Bisnath, University of New Brunswick, Canada,  2341
Satellite Failure Detection for EGNOS,
A. Schuster Bruce, A. Quiles, Thales Avionics, UK; A.J. Van Dierendonck, AJ Systems; A. Jakab, J. Wiebe, NovAtel Inc, Canada,  2351
GEO Orbit Determination via Covariance Analysis with a Known Clock Error,
E. Carolipio, N. Pandya, Raytheon Company; M. Grewal, California State University, Fullerton,  2360
MATLAB Simulation Toolset for SBAS Availability Analysis,
S.-S. Jan, W. Chan, T. Walter, P. Enge, Stanford University,  2366
Evil Waveforms in Stand-Alone GPS Aviation Applications,
G. Brodin, A. Cartmell, D. Walsh, University of Leeds, UK; M. Denney, S. Griffin, CAA Safety Regulation Group, Gatwick Airport South, UK,  2376
New Test Results with a Ground-Based Regional Augmentation System (GRAS) in Australia,
K.W. McPherson, W.S. Ely, G.K. Crosby, J.M. Stewart, Airservices Australia; D.K. Kraus, K.W. Bean, B.D. Elrod, ITT Industries,  2386
Coverage Analysis of NDGPS Broadcast Sites,
D.B. Wolfe, D.J. Godfrey, J.L. Hartline, E.B. Manley, United States Coast Guard Command and Control Engineering Center,  2391
Eurofix: Status, Performance and Possible Interoperability with GNSS, WAAS and EGNOS,
D. van Willigen, G.W.A. Offermans, Reelektronika b.v., The Netherlands; A.W.S. Helwig, W.J. Pelgrum, Delft University of Technology, The Netherlands,  2398

B5: MILITARY APPLICATIONS
GPS at War: A Ten-Year Retrospective,
J.M. Hasik, Consultant; M.R. Rip, Michigan State University,  2405
Rapid Signal Acquisition Techniques for Civilian and Military User Equipments using DSP Based FFT Processing,
L. Scott, LS Consulting Inc.; A. Jovancevic, S. Ganguly, Center for Remote Sensing, Inc.,  2418
International HARM Precision Navigation Upgrade – A GPS/INS Application to Improve Missile Effectiveness and Minimize the Possibility of Fratricide,
T. Löffler; Bodenseewerk Geraetetechnik GmbH, Germany; J. Nielson, Rockwell Collins Government Systems,  2428.
A Passive GPS Bistatic Radar Altimeter for Aircraft Navigation,
D. Masters, P. Axelrad, University of Colorado; V. Zavorotny, NOAA Environmental Technology Laboratory; S.J. Katzberg, NASA Langley Research Center; F. Lalezari, Ball Aerospace Corporation,  2435
Evaluation of GPS Sensors Under High-Dynamic Conditions,
J.P. Cunningham, P.K. Khoe, B.R. Hermann, A.W. Sutter, A.G. Evans, Naval Surface Warfare Center, Dahlgren Division; J.H. Merts, USAF Air Armament Center,  2446
Evaluating EGNOS Augmentation on a Military Helicopter,
A. Muls, Royal Military Academy of Belgium; F. Boon, Septentrio Satellite Navigation,  2458

C5: ATMOSPHERIC EFFECTS
The WAAS Ionospheric Spatial Threat Model,
E.S. Altshuler, R.M. Fries, Raytheon Company; L. Sparks, Jet Propulsion Laboratory,  2463
The Low-Latitude Ionosphere: Monitoring its Behaviour with GPS,
M. Fedrizzi, E. Rodrigues de Paula, I.J. Kantor; Instituto Nacional de Pesquisas Espaciais, Brazil; R.B. Langley, M.C. Santos; University of New Brunswick, Canada; A. Komjathy; NASA Jet Propulsion Laboratory/California Institute of Technology,  2468
A Global Analysis of the Mean Atmospheric Temperature for GPS Water Vapor Estimation,
T. Schueler, A. Pósfay, G.W. Hein, R. Biberger, University FAF Munich, Germany,  2476
Ionospheric Scintillation Monitoring in Northern Europe,
A. Dodson, T. Moore, M.H.O. Aquino, S. Waugh; The University of Nottingham, UK,  2490
The Use of NWP Products in Near Real-Time GPS Data Processing,
D. Behrend, L. Cucurull, E. Cardellach, A. Rius, M.J. Sedó, Institute of Space Studies of California (IEEC/CSIC), Spain; A. Nothnagel, Geodetic Institute of the University of Bonn (GIUB), Germany,  2499
Tomographic Modelling of GNSS Ionospheric Corrections: Assessment and Real-Time Applications,
M. Hernández-Pajares, J.M. Juan, J. Sanz, Universitat Politècnica de Catalunya (gAGE/UPC), Spain; O.L. Colombo, GEST/NASA GSFC,  2507
The First Study of Establishing China Grid Ionospheric Model,
Y.-B. Yuan, J.-K. Ou, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, China,  2516
Analysis of the Ionosphere Regional Model (Mod_Ion) During the Period of Maximum Solar Activity: A Case Study in Brazil,
P.O. Camargo, J.F.G. Monico, M.T. Matsuoka, Paulista State University, Brazil,  2525.
Regional GPS Mapping of Storm Enhanced Density During the 15-16 July 2000 Geomagnetic Storm,
A.J. Coster, M.I.T. Lincoln Laboratory; J.C. Foster, P.J. Erickson, M.I.T. Haystack Observatory; F.J. Rich, Air Force Research Laboratory,  2531

D5: ALGORITHMS & METHODS II
Automatic Determination of Vertical Deflections in Real-Time by Combining GPS and Digital Zenith Camera for Solving the "GPS-Height-Problem",
C. Hirt, Institut für Erdmessung, Universität Hannover, Germany,  2540
Integrated GPS and Interferometric SAR Techniques for Highly Dense Crustal Deformation Monitoring,
L. Ge, H.-Y. Chen, S. Han, C. Rizos, The University of New South Wales, Australia,  2552
GPS Vehicle Location Tracking in Dense High-Rise Environments with the Minimum Range Error Algorithm,
E. Mok, L. Lau, The Hong Kong Polytechnic University,  2564
A New Step Detector Algorithm for GPS/SBAS Receiver,
M. Kawai, S. Hara, O. Arai, Furuno Electric Co., Ltd., Japan,  2571
The Effect of GPS Orbit Solution Strategies on Absolute Point Positioning,
J.B. Lundberg, A.G. Evans, Naval Surface Warfare Center, Dahlgren Division,  2579
High-Precision Platform Positioning with a Single GPS Receiver,
S.B. Bisnath, R.B. Langley, University of New Brunswick, Canada,  2585
Quantifying GDOP Degradations Caused by Removing Satellites from a GPS Constellation,
M.J. Smith, T.I. Wegner, United Space Alliance, LLC, NASA Johnson Space Center,  2594

E5: TELEMATICS
Conditional Access for Mobile Location-Aware Business,
S.F. Mjølsnes, Stavanger University College, Norway,  2600
Autonomous Driving using Inertial Aided KGPS and Vision System Based on Precision Maps,
J. Wang, S. Schroedl, C. Wilson, DaimlerChrysler Research and Technology Center North America Inc.,  2612
Development and Test Results of a Cost Effective Inverse DGPS System,
J.K. Ray, K.V. Kalligudd, Accord Software and Systems, India,  2618
Development of Highway ITS and Pedestrian ITS Based on RTK Network, Pseudolites and PN Coded Magnetic Markers,
I. Petrovski, M. Ishii, H. Torimoto, DX Antenna Co.Ltd., Japan; T. Hasegawa, Saitama University Japan,  2627.
Development and Testing of a Real-Time GPS/INS Reference System for Autonomous Automobile Navigation,
M.G. Petovello, M.E. Cannon, G. Lachapelle, The University of Calgary, Canada; J. Wang, C.K.H. Wilson, DaimlerChrysler, Research and Technology Center; O.S. Salychev, V.V. Voronov, Bauman Moscow State Technical University, Russia,  2634
Vehicle Integrated Navigation System,
I. Humphrey, C. Reynolds, Fibersense Technology Corporation,  2642
Mobile Air Quality Monitoring for Proactive Traffic Management,
D. Bahr, Aerodata Systems GmbH, Germany; C. Schlums, National Metrology Institute PTB, Germany,  2647
The Issues of Practical Implementation of the Commercial RTK Network Service,
I. Petrovski, S. Kawaguchi, H. Torimoto, DX Antenna Co.Ltd., Japan; K. Fuji, Hitachi Ltd., Japan; M.E. Cannon, G. Lachapelle; The University of Calgary, Canada,  2654

F5: MULTI-SENSOR INTEGRATED NAVIGATION SYSTEMS I
Development of GPS Aided Inertial Navigation System for High Speed Flight Demonstrator,
M. Harigae, National Aerospace Laboratory of Japan; T. Nishizawa, National Space Development Agency of Japan; H. Tomita, TOSHIBA Corporation, Japan,  2665
FDE using Multiple Integrated GPS/Inertial Kalman Filters in the Presence of Temporally and Spatially Correlated Ionospheric Errors,
K. Vanderwerf, Honeywell International, Commercial Aviation Products,  2676
Robust Positioning with Single Frequency Inertially Aided RTK,
B.M. Scherzinger, Applanix Corporation, Canada,  2686
Calibration in Multi-Sensor Environment,
M.M.R. Mostafa, Applanix Corporation, Canada,  2693
GPS COMPASS : A Low Cost GPS Direction Sensor of Two Antenna Type,
Y. Koura, H. Suzuki, K. Ogawa, Y. Kamei, M. Nakamura, Japan Radio Co., Ltd., Japan,  2700
GPS/INS/Pseudolite Integration: Concepts, Simulation and Testing,
J. Wang, L. Dai, T. Tsujii, C. Rizos, University of New South Wales, Australia; D. Grejner-Brzezinska, C. Toth, The Ohio State University,  2708

A6: GPS MODERNIZATION II
GPS Military Signal Modernization: Updates to Design and Characteristics,
B.C. Barker, US Air Force, Navstar GPS Joint Program Office; J.R. Straton, III, ARINC Incorporated,  2716.

NDGPS Network Enhancments in FY01,
L.W. Allen, United States Coast Guard Navigation Center; D.B. Wolfe, C.L. Judy, E.J. Haukkala, R.W. James, United States Coast Guard Command and Control Engineering Center,  2722
Software Pseudo-Lm GPS Receiver,
A. Jovancevic, A. Brown, S. Ganguly, M. Kirchner, S. Zigic, Center for Remote Sensing, Inc.,  2735
Ideas for GPS IV,
T.L. McKendree, Raytheon Systems Company,  2745
The Role of Heuristics in GPS Block IIF Modernization,
T. Thomas, T. Bridges, G. Fairbanks, Boeing,  2751
Code Power Measurement Methodology for GPS Block IIR-M and IIF On-Orbit Test Procedures,
M.D. Partridge, P.A. Dafesh, The Aerospace Corporation,  2764
GPS Modernization,
J.E. Clark, The Aerospace Corporation,  2773
A Future GNSS Concern on the Modernization of GPS and the Evolution of Galileo,
K.D. McDonald, Navtech Consulting,  2804

B6: RECEIVER DESIGN III
BlueHound: An Integrated Bluetooth and GPS Radio,
M. McCullagh, S. Taylor, Parthus Technologies plc., UK,  2828
Block Acquisition of Weak GPS Signals in a Software Receiver,
M.L. Psiaki, Cornell University,  2838
Global Positioning System Software Receiver (gpSrx) Implementation in Low Cost/Power Programmable Processor,
D.M. Akos, P.-L. Normark, Stanford University; A. Hansson, A. Rosenlind, C. Ståhlberg, F. Svensson; Luleå University of Technology,  2851
Frequency-Domain GPS Baseband Processor Design and Initial Test Results,
C. Yang, Sigtem Technology, Inc.,  2859
A Fast Satellite Acquisition Method,
D. Akopian, Research and Technology Access, Nokia Mobile Phones, Finland,  2871
Sensitivity Comparison of Software and Commercial GPS Receivers,
J.J. Schamus, Veridian Engineering; J.B.Y. Tsui, AFRL/SNRP; D.M. Lin, AFRL/SNRW; A.W. Proud, AFRL/SNAR,  2882.
Reconfigurable Dual Frequency Software GPS Receiver and Applications,
A. Jovancevic, A. Brown, S. Ganguly, M. Kirchner, S. Zigic, Center for Remote Sensing, Inc.; L. Scott, LS Consulting Inc.; P. Ward, NAVWARD GPS Consulting,  2888
Smoother-Based GPS Signal Tracking in a Software Receiver,
M.L. Psiaki, Cornell University,  2900

C6: ATTITUDE DETERMINATION SYSTEMS
An Antenna Array-Based Approach to Attitude Determination in a Jammed Environment,
M. Markel, Sverdrup Technology; E. Sutton, H. Zmuda, University of Florida,  2914
Obtaining 3-Axis Attitude Solutions from GPS Signal to Noise Ratio Measurements,
J. Madsen, The University of Texas at Austin,  2927
Tactical Far Target Location using Position and Azimuth from a P(Y) Code GPS Attitude Determination System,
C.J. Pruszynski, Raytheon Electronic Systems; K.W. Ulmer, C.W. Phelps, Rockwell Collins Government Systems; M.P. St. Peter, PM NV/RSTA,  2937
GPS/Magnetometer Based Satellite Navigation and Attitude Determination,
J.D. Thienel, R.R. Harman, NASA Goddard Space Flight Center; I.Y. Bar-Itzhack,
Institute of Technology, Israel,  2946
GPS Based Star Sensor Aiding for Attitude Determination in High Dynamics,
C. Arbinger, German Aerospace Center, Germany; W. Enderle, Queensland University of Technology, Australia; O. Wagner, Technical University of Munich, Germany,  2952
Two-Antenna GPS and Low Cost INS Tight Integration for Attitude Determination,
Y. Yang, NavCom Technology, Inc.; J.A. Farrell, University of California, Riverside,  2960
Octopus: Four-Antennae RTK System and New Attitude Determination Technique,
L. Rapoport, V. Mogilnitsky, J. Ashjaee, Javad Navigation Systems, Russia,  2972

D6: ALGORITHMS & METHODS III
Speeding Up the Estimation of Floated Ambiguities for Sub-Decimeter Kinematic Positioning at Sea,
O.L. Colombo, GEST/NASA Goddard Space Flight Center; A.G. Evans, NSWC, Dahlgren Division; M. Ando, K. Tadokoro, K. Sato, Nagoya University, Japan; T. Yamada, Kyoto University, Japan,  2980
Fast Ambiguity Resolution for GPS/IMU Attitude Determination,
Y. Yang, NavCom Technology, Inc.; J.A. Farrell, University of California, Riverside,  2990
A Fuzzy System for Robust Estimation and Quality Assessment of GPS Data for Real-Time Applications,
A. Wieser, Graz University of Technology, Austria,  2998.
An Application of Basic Observation Equations to Long Baseline GPS Measurements,
H. Isshiki, Pegasusnet Corporation, Japan,  3009
Quasi-Optimal Satellite Selection Algorithm for Real-Time Applications,
C.-W. Park, J.P. How, Massachusetts Institute of Technology,  3018
GPS Integrity Reasoning Using Dempster-Shafer Theory,
H. Sairo, H. Leppäkoski, J. Saarinen, Tampere University of Technology, Finland; J. Syrjärinne, Nokia Mobile Phones, Finland,  3029
Ambiguity Resolution and Success Rates with an Integrated GNSS - Pseudolite Positioning System,
S. Verhagen, Delft University of Technology, The Netherlands,  3036
The Principle of a Snapshot Navigation Solution Based on Doppler Shift,
J. Hill, Worcester Polytechnic Institute,  3044
Exact Statistical Solution of Pseudorange Equations,
J.D. Wolfe, J.L. Speyer, University of California, Los Angeles,  3052
Comparative Studies of Three Decorrelating Algorithms in Ambiguity Resolution for Phase-Only and Code-Guided Cases,
Y. Kubo, R. Hata, S. Sugimoto, Ritsumeikan University, Japan,  3060

E6: LOCATION-BASED TRACKING APPLICATIONS
Improving GPS Coverage and Continuity: Indoors and Downtown,
P. Enge, Stanford University; R. Fan, A. Tiwari, @Road Inc.; A. Chou, W. Mann, A. Sahai, J. Stone, B. Van Roy, Enuvis Inc.,  3067
Victorian High Precision Permanent GPS Tracking Network System,
K. Zhang, N. Talbot, RMIT University, Australia; M. Hale, J. Millner, Land Victoria, Natural Resources and Environment of Victoria, Australia,  3077
Real-Time GPS-Based Track and Cross Country Training Evaluation System,
C.C. Miller, Carroll High School, 3086
Comparison of Alternate High Speed Rail GPS Locomotive Location Systems,
K.T. Mueller, R. Bortins, Seagull Technology, Inc,  3095
GPS/GSM based Fleet Management System for Sparse GSM Networks,
S. Kiran, R. Char, T.D. Rengasamy, J.K. Ray; Accord Software & Systems Private Limited, India,  3107
NEXUS – Acquisition of Position Information for Location Aware Applications using Multi Sensors and Mobile Photogrammetry,
D. Klinec, D. Fritsch, Institute for Photogrammetry, University of Stuttgart, Germany,  3112.
Modern Mobile Mapping: Moving Toward GPS/INS-Aided Real-Time Image Processing,
C. Toth, D. Grejner-Brzezinska, The Ohio State University,  3119
A GPS + Dead-Reckoning Navigation System for Fleet Management,
S. Cunha, T. Cunha, P. Tomé, L. Bastos, Porto University, Portugal,  3126
ISO Standard 19116 for Positioning Services in Geographic Information Systems and Geomatics,
T. Mauney, Spatial Systems,  3131

F6: MULTI-SENSOR INTEGRATED NAVIGATION SYSTEMS II
LORAN-C/Eurofix/EGNOS Test and Validation Program – Concept and First Results,
W. Lechner, S. Baumann, Telematic e.K., Germany; B. Hofmann-Wellenhof, C. Amlacher, K. Legat, TeleConsult Austria, Austria; T. Jørgensen, G. Marit Hernes, NELS Coordinating Agency Office, Norway,  3134
Bridging GPS Gaps in Urban Canyons: Can ZUPT Really Help?,
D.A. Grejner-Brzezinska, C.K. Toth, Y. Yi; The Ohio State University,  3139
GPS for Avionics Synchronization,
J.L. Farrell, VIGIL, Inc.,  3149
OEM4 Inertial: A Tightly Integrated Decentralised Inertial/GPS Navigation System,
T. Ford, J. Neumann, P. Fenton, M. Bobye, J. Hamilton, NovAtel Inc., Canada,  3153