GNSS software receivers / edited by Kai Borre, Ignacio Fernández-Hernández, José A. López-Salcedo, M. Zahidul H. Bhuiyan.

Format:

Book

Author/Creator:

Fernández-Hernández, Ignacio, 1977- author.

Borre, K. (Kai), author.

López-Salcedo, José A., 1978- author.

Bhuiyan, M. Zahidul H., 1980- author.

Language:

English

Subjects (All):

GPS receivers.

Signal theory (Telecommunication).

Software radio.

Mobile geographic information systems--Equipment and supplies.

Mobile geographic information systems.

Physical Description:

1 online resource (xxvii, 323 pages) : digital, PDF file(s).

Edition:

1st ed.

Place of Publication:

Cambridge, United Kingdom ; New York, NY, USA : Cambridge University Press, 2023.

Summary:

Build and operate multi-GNSS and multi-frequency receivers with state-of-the-art techniques using this up-to-date, thorough, and easy-to-follow text. Covering both theory and practise, and complemented by MATLAB© code and digital samples with which to test it, this package is a powerful learning tool for students, engineers, and researchers everywhere. Suggestions of hardware equipment allow you to get to work straight away and to create your own samples. Concisely but clearly explaining all the fundamental concepts in one place, this is also a perfect resource for readers seeking an introduction to the topic.

Contents:

Cover

Half-title page

Title page

Copyright page

Contents

List of Contributors

Foreword

Preface

Our Motivation

The Structure of the Book

The Software

Final Remarks

Acknowledgments

List of Abbreviations

Main Constants

1 GNSS Signals and Receivers

1.1 Introduction

1.2 Overview of GNSS Signals

1.3 Structure of GNSS Signals

1.3.1 Signal Modulation

Bandpass Signal Representation

Baseband Signal Representation

Tiered Structure of GNSS Signal Components

1.3.2 Spreading Codes

Autocorrelation and Cross-Correlation

1.3.3 Power Spectral Density

PSD for Arbitrarily Long Spreading Codes

PSD for Finite-Length Spreading Codes

Impact of PAM Modulation on PSD

1.3.4 BOC Modulation

1.4 GNSS Signal Propagation, Reception and Conditioning

1.4.1 Signal Propagation, Link Budget and Received Signal Strength

Signal-to-Noise Ratio (SNR)

Carrier-to-Noise Density Ratio

Bit Energy-to-Noise Density Ratio

1.4.2 Received Signal Model

1.4.3 Received Signal Conditioning

Down Conversion

Sampling and Quantization

1.4.4 Discrete-Time Received Signal Model

1.5 Receiver Architecture

1.6 Acquisition

1.6.1 Correlation of the Received Signal with the Local Replica

SNR Gain of Coherent Integration

Constraints on the Coherent Integration Time

Noncoherent Extension of the Coherent Integration Time

Correlation in the Presence of Data Bits or Secondary Code

1.6.2 Signal Detection

1.6.3 Time-Frequency Search

Time Search

Frequency Search

Search Strategies

Example of Acquisition Technique: Full Parallel Search

1.7 Tracking

1.7.1 Carrier Tracking

Phase-Locked Loop Discriminators

Phase-Locked Loop Performance and Filter Bandwidth

Frequency-Locked Loops

1.7.2 Code Tracking

Delay-Locked Loop Correlator Spacing.

Delay-Locked Loop Discriminators

Delay-Locked Loop Performance and Filter Bandwidth

1.7.3 C/N[sup(0)] Estimation

1.8 Navigation Message

1.8.1 Synchronization to the Signal

1.8.2 Channel Encoding and Decoding

Error Detection

Error Correction

Interleaving

1.8.3 Message Parameters

Satellite Orbits

Satellite Position Computation

Satellite Clock Corrections

Relativistic Effect

Broadcast Group Delays

Other Formats and Navigation Data

1.9 Pseudorange Errors

1.9.1 Ionospheric Error

Broadcast Ionospheric Correction Models

1.9.2 Tropospheric Error

1.9.3 Multipath

1.9.4 Interference

1.9.5 Receiver Noise

1.9.6 Error Budgets

1.10 Computation of Position and Time

1.10.1 Linearization

Algebraic Explanation

Geometric Explanation

1.10.2 Least Squares and Weighted Least Squares

1.10.3 Coordinates and Reference Frames

1.10.4 Dilution of Precision, Measurement Residuals and Position Accuracy

Dilution of Precision

User Equivalent Range Error and Covariance Matrix

Measurement Residuals

Measuring and Bounding Position Errors and Integrity

1.10.5 Other Practical Aspects

Earth Rotation and Receiver Time Reference

Data Flows and Dependencies

References

2 GPS L1 C/A Receiver Processing

2.1 Introduction

2.2 GPS L1 C/A Signal Characteristics

2.2.1 Signal Structure

2.2.2 Spreading Code

2.2.3 Power Spectral Density

2.3 Acquisition

2.4 Tracking

2.5 Computation of Position and Time

2.6 Front End and Other Practical Information

2.6.1 Front End

2.6.2 Data Collection

2.6.3 MATLAB Configuration and Functions

3 GLONASS L1OF Receiver Processing

3.1 Introduction

3.2 GLONASS L1OF Signal Characteristics

3.2.1 Signal Structure

3.2.2 Spreading Code

3.2.3 Comparison with GPS

3.3 Acquisition

3.4 Tracking.

3.5 Computation of Position and Time

3.6 Front End and Other Practical Information

3.6.1 Front End

3.6.2 Data Collection

3.6.3 MATLAB Configuration and Functions

4 Galileo E1 Receiver Processing

4.1 Introduction

4.2 Galileo E1 Signal Characteristics

4.2.1 Signal Structure

4.2.2 Comparison with GPS L1 C/A

4.3 Acquisition

4.4 Tracking

4.5 Computation of Position and Time

4.6 Galileo E1 Additional Features

4.6.1 Galileo Open Service Navigation Message Authentication (OSNMA)

4.6.2 Galileo I/NAV Improvements

4.7 Front End and Other Practical Information

4.7.1 Front End

4.7.2 Data Collection

4.7.3 MATLAB Configuration and Functions

5 BeiDou B1I Receiver Processing

5.1 Introduction

5.2 BeiDou B1I Signal Characteristics

5.2.1 Signal Structure

5.2.2 Comparison with GPS L1 C/A

5.3 Acquisition

5.4 Tracking

5.5 Computation of Position and Time

5.6 Front End and Other Practical Information

5.6.1 Front End

5.6.2 Data Collection

5.6.3 MATLAB Configuration and Functions

6 NavIC L5 Receiver Processing

6.1 Introduction

6.2 NavIC Signal Characteristics

6.3 Acquisition

6.4 Tracking

6.5 Computation of Position and Time

6.6 Front End and Other Practical Information

6.6.1 Front End

6.6.2 Data Collection

6.6.3 MATLAB Configuration and Functions

7 A Multi-GNSS Software Receiver

7.1 Introduction

7.2 Multi-GNSS Signal Acquisition and Tracking

7.2.1 C/N[sup(0)] Computation

7.2.2 Multi-correlator Tracking

7.2.3 Data Decoding

7.3 Computation of Multi constellation Position and Time

7.3.1 Position Solution

7.3.2 Time Solution

7.3.3 Velocity Solution

7.3.4 Experimental Results

7.4 Front End and Other Practical Information

7.4.1 Front End

7.4.2 Data Collection.

7.4.3 MATLAB Configuration and Functions

8 A Dual-Frequency Software Receiver

8.1 Introduction

8.2 GPS L5 Signal Characteristics

8.2.1 Introduction

8.2.2 Signal Structure

8.3 Architecture of a Dual-Frequency Receiver

8.4 Acquisition

8.4.1 Single- versus Dual-Channel GPS L5 Acquisition

Single-Channel Acquisition

Dual-Channel Acquisition

8.4.2 GPS L1-Aided GPS L5 Acquisition

8.5 Tracking

8.6 Generation of GPS Observations

8.6.1 Carrier-Phase Observation

8.6.2 Doppler Observation

8.7 Dual-Frequency Receiver Observations

8.7.1 Dual-Frequency Pseudorange Equations

8.7.2 Dual-Frequency Carrier-Phase Equations

8.8 Computation of Position and Time

8.9 Front End and Other Practical Information

8.9.1 Front End

8.9.2 Data Collection

8.9.3 MATLAB Configuration and Functions

9 Snapshot Receivers

9.1 Introduction

9.2 Snapshot Signal Processing

9.2.1 Coherent Integration

9.2.2 Noncoherent Integration

9.2.3 Block-wise Sampling Correction

9.2.4 Signal Detection

9.2.5 Interpolation of the Correlation Peak

9.2.6 Snapshot-Based C/N[sup(0)] Estimation

9.2.7 Low-Complexity Multipath Detection

9.2.8 Double-FFT Implementation

9.2.9 Single FFT Implementation

9.3 Snapshot Positioning

9.3.1 Instantaneous Doppler Positioning

Instantaneous Doppler Positioning with Reference Time

Instantaneous Doppler Positioning without Reference Time

Solving Long-Time Uncertainties

9.3.2 Coarse-Time Pseudorange Positioning

Code-Phase Integer Ambiguity Resolution

Coarse-Time Pseudorange Positioning

9.4 Front End and Other Practical Information

9.4.1 Front End

9.4.2 Data Collection

9.4.3 MATLAB Configuration and Functions

10 Acquisition and Tracking of BOC Signals

10.1 Introduction.

10.2 The Ambiguity Challenge in BOC-Modulated Signals

10.3 Unambiguous Acquisition

10.3.1 Wide Main Lobe Correlation Approach

10.3.2 Narrow Main Lobe Correlation Approaches

10.4 Ambiguous or Conventional Tracking Methods

10.4.1 Code Tracking

10.4.2 Maximum Likelihood or Multi-correlator Approaches

10.4.3 Slope-Based Approaches

10.4.4 Subspace-Based Algorithms

10.4.5 Deconvolution Approaches

10.4.6 Non-linear Transform-Based Approaches

10.4.7 Combined Approaches

10.4.8 Multipath Mitigation and Code Tracking

10.5 Unambiguous Code Tracking

10.5.1 Wide Main-Lobe Correlation Approaches

10.5.2 Narrow Main-Lobe Correlation Approaches

10.6 Conclusions and Look Forward

Appendix. General Formulation of BOC Signals

10.A Introduction to BOC Signals

10.B Complex Double BOC Modulation

10.B.1 Autocorrelation of CDBOC Signals

10.B.2 Power Spectral Density of CDBOC Signals

10.C Multiplexed BOC Modulation

10.C.1 Autocorrelation of MBOC Signals

10.C.2 Power Spectral Density of MBOC Signals

10.D Alternate BOC Modulation

10.D.1 Autocorrelation of AltBOC Signals

10.D.2 Power Spectral Density of AltBOC Signals

11 SDR Front Ends, Platforms and Setup

11.1 Introduction

11.2 SDR Front Ends

11.2.1 Main Features of the SDR Front Ends Used in This Book

11.2.2 Alternative SDR Front Ends in the Market

11.3 SDR Platforms, Architectures and Applications

Multi-core Processing Units

Graphical Processing Units

Migration to Cloud Infrastructures

Applications

11.4 Experimentation Setup to Gather GNSS Samples

12 SDR MATLAB Package

12.1 Introduction

12.2 Multi-GNSS SDR Receiver (FGI-GSRx)

12.2.1 Download and Installation

12.2.2 Execution

Folder Structure

General Operation

Acquisition

Tracking

Data Decoding and Navigation.

12.2.3 Data Management.

Notes:

Title from publisher's bibliographic system (viewed on 28 Oct 2022).

ISBN:

1-108-94550-3

1-108-93417-X

OCLC:

1376932294