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Advanced Galileo and GPS Receiver Techniques: Enhanced Sensitivity and Improved Accuracy
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Authors: Andreas Schmid (Infineon Technologies AG, Germany) 
Book Description:
The success of satellite navigation in the mass consumer market will depend greatly on the service availability in urban canyons and moderate indoor environments. In order to meet these requirements the reception sensitivity of GPS and Galileo receivers will have to be substantially enhanced. This book introduces new ranging techniques that have been shown to improve the reception sensitivity and positioning accuracy of GPS and Galileo receivers. These can be implemented with low complexity and in addition to existing methods. The sensitivity enhancements are based on differential correlation techniques that utilize the statistical properties of Galileo/GPS signals and also permit the estimation of important signal parameters with low complexity. The probability density functions of the signals are algebraically derived at each processing step. Extensive simulations are provided to analyze the performance of the algorithms and architectures developed for this book.

Table of Contents:
Acknowledgements ix
Abstract xi
1 Introduction pp. 1-2

2 Known Methods to Enhance Sensitivity pp. 3-14
2.1. Assisted Satellite Navigation
2.2. Single Shot Positioning
2.3. Highly Parallel Correlation
2.4. Noncoherent Integration
2.5. Combined Galileo and GPS Reception
2.6. Conclusion

3 Differential Correlation pp. 15-63
3.1. Galileo/GPS Signal Specification
3.2. Down-Conversion and Doppler Compensation
3.3. Despreading and Coherent Integration
3.4. Differential Correlation Mean
3.5. Differential Correlation Variance
3.6. Synchronization Detection
3.7. Detection Threshold
3.8. Differential Correlation Sensitivity
3.9. Coherent Integration Sensitivity
3.10. Noncoherent Integration Sensitivity
3.11. Sensitivity Gain
3.12. Code Phase Estimation
3.13. Early-Late Discrimination Function
3.14. Differential Correlation Accuracy
3.15. Noncoherent Integration Accuracy
3.16. Accuracy Improvement
3.17. Conclusion

4 Adaptive Detection Threshold pp. 65-91
4.1. Attenuation Mitigation
4.2. Detection Threshold Adjustment
4.3. Cross-Correlation Mitigation
4.4. Attenuation Estimation
4.5. Differential Correlation Sensitivity
4.6. Noncoherent Integration Sensitivity
4.7. Sensitivity Gain
4.8. Conclusion

5 Frequency Offset Correction pp. 93-127
5.1. Frequency Deviation Feedback
5.2. Open Loop Frequency Estimation Accuracy
5.3. Feedback Loop
5.4. Magnitude Reception Sensitivity
5.5. Inphase Reception Sensitivity
5.6. Sensitivity Gain
5.7. Magnitude Positioning Accuracy
5.8. Inphase Positioning Accuracy
5.9. Accuracy Improvement
5.10. Conclusion

6 Phase Mismatch Correction pp. 129-157
6.1. Signal Rotation
6.2. Phase Estimation Accuracy
6.3. Magnitude Reception Sensitivity
6.4. Inphase Reception Sensitivity
6.5. Sensitivity Gain
6.6. Magnitude Positioning Accuracy
6.7. Inphase Positioning Accuracy
6.8. Accuracy Improvement
6.9. Conclusion

7 Adaptive Integration Interval pp. 159-185
7.1. Integration Number Adjustment
7.2. Magnitude Reception Sensitivity
7.3. Inphase Reception Sensitivity
7.4. Sensitivity Gain
7.5. Magnitude Positioning Accuracy
7.6. Inphase Positioning Accuracy
7.7. Accuracy Improvement
7.8. Conclusion

8 Multipath Fading Mitigation pp. 187-195
8.1. Fading Adaptation
8.2. Optimal Detection Threshold
8.3. Reception Sensitivity
8.4. Conclusion

9 Semiconductor Implementation Characteristics pp. 197-210
9.1. Digital Baseband Processing
9.2. Analog to Digital Conversion
9.3. Despreading
9.4. Coherent Accumulation
9.5. Differential Product
9.6. Differential Accumulation
9.7. Squared Magnitude
9.8. Noncoherent Accumulation
9.9. Conclusion

10 Conclusion pp. 211-212

Acronyms, Mathematical Symbols, and Variables pp. 213-220

References pp. 221-226

Publications pp. 227-229

Index pp.231-235

      Electrical Engineering Developments
   Binding: Hardcover
   Pub. Date: 2009
   Pages: 235.pp
   ISBN: 978-1-60741-346-2
   Status: AV
Status Code Description
AN Announcing
FM Formatting
PP Page Proofs
FP Final Production
EP Editorial Production
PR At Prepress
AP At Press
AV Available
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Advanced Galileo and GPS Receiver Techniques: Enhanced Sensitivity and Improved Accuracy