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8:30 - 12:00, Tuesday, String 3
340A: Indoor Positioning with GNSS and Other Sensors I

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Attendees will receive an overview of GNSS receiver implementations as they apply to navigation indoors or in degraded environments. Receiver architectures, including high- sensitivity techniques
and assisted-GNSS concepts, are analyzed with respect to indoor system errors and other factors.

Dr. Mark Petovello
University of Calgary

Review of GNSS Fundamentals
• Review of fundamental GNSS theory
• RF propagation
• GNSS measurements
• Role of satellite geometry (DOP)
• Overview of GNSS errors and differential processing, and their role indoors

 

Overview of GNSS Receiver Operation I
• GPS signal structure and its characteristics
• GNSS receiver architecture overview
• Basic RF front-end operation

 

Overview of GNSS Receiver Operation II
• Overview of signal acquisition and tracking (phase, frequency and code)
• Increasing receiver sensitivity
• Concept of assisted-GNSS (AGNSS)
• Challenges with high-sensitivity receivers

 

Level: A good knowledge of the GPS operation is assumed, as well as familiarity with engineering analysis methods.

 

1:30 - 5:00, Tuesday, String 3
340B: Indoor Positioning with GNSS and Other Sensors II

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Augmenting technologies are discussed with emphasis on the integration with inertial sensors. Advanced receiver architectures are presented and compared as techniques for improving performance indoors. Several case studies are presented to illustrate and support the key topics addressed.

Dr. Petovello

Navigation Solution and Augmentation of GNSS
• Overview of estimation; least-squares, Kalman filtering and solution reliability
• Concept of augmentation
• Height constraint
• Fusion with ground-based RF measurements
• WiFi, RFID, Bluetooth

 

GNSS/Inertial Integration and Advanced GNSS Receiver Architectures
• Concept of inertial navigation systems (INS)
• Inertial sensors errors
• GNSS/Inertial integration strategies
• Estimator-based GNSS receivers
• Vector-based GNSS receivers
• Ultra-tight GNSS/IMU integration

 

Case Studies
• High-sensitivity receiver performance in urban canyons, under forest canopy and various buildings
• Simulating an indoor environment with hardware simulator
• Benefit of ultra-tight GNSS/IMU integration

 

Level: A good knowledge of the GPS operation is assumed, as well as familiarity with engineering analysis methods.

  
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