05148nam 2200613Ia 450 991095454920332120251116221147.01-61209-808-8(CKB)2560000000070398(EBL)3019105(SSID)ssj0000466673(PQKBManifestationID)12201958(PQKBTitleCode)TC0000466673(PQKBWorkID)10466206(PQKB)11397256(MiAaPQ)EBC3019105(Au-PeEL)EBL3019105(CaPaEBR)ebr10662912(OCoLC)704294188(BIP)26724966(EXLCZ)99256000000007039820090310d2009 uy 0engur|n|---|||||txtccrAdvanced Galileo and GPS receiver techniques enhanced sensitivity and improved accuracy /Andreas Schmid1st ed.New York Nova Science Publishersc20091 online resource (249 p.)Electrical engineering developments seriesDescription based upon print version of record.1-60741-346-9 Includes bibliographical references and index.Intro -- ADVANCED GALILEO AND GPS RECEIVERTECHNIQUES: ENHANCED SENSITIVITYAND IMPROVED ACCURACY -- ADVANCEDGALILEOANDGPSRECEIVERTECHNIQUES:ENHANCEDSENSITIVITYANDIMPROVEDACCURACY -- Contents -- Acknowledgments -- Abstract -- Introduction -- Known Methods to EnhanceSensitivity -- 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 -- Differential Correlation -- 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 -- Adaptive Detection Threshold -- 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 -- Frequency Offset Correction -- 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 -- Phase Mismatch Correction -- 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 -- Adaptive Integration Interval -- 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 -- Multipath Fading Mitigation -- 8.1. Fading Adaptation -- 8.2. Optimal Detection Threshold -- 8.3. Reception Sensitivity -- 8.4. Conclusion -- Semiconductor ImplementationCharacteristics -- 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 -- Conclusion -- Acronyms, Mathematical Symbols,and Variables -- Acronyms -- Mathematical Symbols -- Latin Variables -- Greek Variables -- References -- Publications -- Index.This book introduces new ranging techniques which 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.Electrical Engineering DevelopmentsGPS receiversGlobal Positioning SystemGalileo satellite navigation systemGPS receivers.Global Positioning System.Galileo satellite navigation system.621.384/191Schmid Andreas1964-1868208MiAaPQMiAaPQMiAaPQBOOK9910954549203321Advanced Galileo and GPS receiver techniques4476073UNINA