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Chapter and Conference Paper
Applicability Analysis of DFMC SBAS Receiver Design Constraints to BDS B1C and B2a Signals
Receiver design constraints are mandatory requirements in the International Civil Aviation Organization (ICAO) Dual Frequency and Multi Constellation Satellite-Based Augmentation System (DFMC SBAS) service sta...
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Chapter and Conference Paper
Research on the Distortion Threat Model and Threat Space of BDS B1C and B2a Signals
Navigation signal distortion is a potential threat to navigation services. Modeling signal distortion is a necessary condition to ensure service safety and an important content of mandatory requirements in Int...
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Chapter and Conference Paper
Analysis of the Applicable Minimum Filter Gain Roll-Off of DFMC SBAS Receiver for BDS Signals
The minimum filter gain roll-off is an important content of receiver design constraints in Dual Frequency and Multi Constellation (DFMC) Satellite-Based Augmentation System (SBAS) service standard. BDS B1C and...
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Chapter and Conference Paper
Research on Low-Power Short Burst Signal Synchronization Segment Design Based on MEO Satellites and the Fast Acquisition Algorithm
The message service is the most distinctive part of the BeiDou System (BDS), whose coverage area will be expanded from China & surroundings to the global surface space at BDS-3 stage. This is an innovative int...
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Chapter and Conference Paper
Research and Analysis of S Curve Bias Evaluation Method in GNSS Signals
When a MBOC modulated signal is evaluated by the traditional S-curve bias evaluation method, which exists some problems, such as the selection of correlator spacing is not reasonable and the calculation error ...
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Chapter and Conference Paper
Research on the Next Generation of Emergency Positioning Signal Design and Ground Stations Receive Processing Based on GNSS
As typical representative of the emergency research and rescue signal in the field of Life Safety and Emergency Service, both the 2nd generation COSPAS-SARSAT beacon and the BeiDou System (BDS) locating report...
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Chapter and Conference Paper
Ranging Performance Analysis and Discriminator Parameters Optimization for Double Estimator Technology
Double Estimator Technology (DET) uses subcarrier tracking loop and code tracking loop to track the Binary Offset Carrier modulated satellite navigation signal, the two loops couple with each other, which caus...
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Chapter and Conference Paper
Overall Performance Comparison of Three Dual-Frequency Constant Envelop Modulation Schemes for GNSS
In Global Navigation Satellite Systems, dual-frequency constant envelop modulation scheme includes ACE-BOC, TD-AltBOC, and AltBOC. The three modulation schemes have pros and cons on single item evaluation inde...
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Chapter and Conference Paper
Analysis on Pseudorange Biases Between GNSS Navigation Satellites
Under ideal conditions, the correlation peak of navigation signals emitted by the navigation satellites is completely symmetrical, and the pseudoranges obtained by the receiver to different satellites are cons...
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Chapter and Conference Paper
A Double Difference Measuring Method of Pseudo-Range Precision Using to the Real Environment
The pseudo-range measurement precision is an important index for evaluating the performance of a navigation receiver, and also one of the important factors for analyzing the receiver’s positioning precision. I...
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Article
Design of the pulse duty cycle of the pseudolite signal in local area augmentation systems
The short-pulse TDMA signal is an excellent solution to the near-far problem in the pseudolite augmentation systems, and the pulse duty cycle is an important element in the solution. This paper aims at designi...
