The modularity of the proposed architecture facilitates the evolution of GNSS receiver functionality. The certification of evolutions is better controllable. The invention will be of interest to all manufacturers of GNSS receivers.LIONEL RIESMARC POLLINAWILLY VIGNEAU
As illustrated in Fig.2, the application functions as a GNSS receiver, it captures raw data from the smartphone’s sensor, including satellite Pseudoranges, Carrier phases and Doppler measurements, and initiates the WebSocket connection to the server. This connection prompts the server to prepare fo...
and the OMA SUPL protocols for the rapid transmission of the assistance data required for positioning. Figure2illustrates the overall architecture of the high-precision A-GNSS positioning service. The A-GNSS location platform comprises GNSS ground stations, the cloud database, and the A-GNSS server...
(Borio and Gioia,2016), signal polarization (De Wilde et al.,2018), or Receiver Autonomous Integrity Monitoring (RAIM) (Blanch et al.,2010; Wang et al.,2016) to determine if the processing signal is authentic or counterfeit. Cryptographic defenses use cryptographic algorithms to conceal part ...
The work described in this article achieves, to a large extent, all of these objectives and, more importantly, builds the framework for the baseband signal-processing layer of a truly universal GNSS SDR architecture. The toolbox has been used successfully to process the following open GNSS signal...
(GPS, GLONASS, GALILEO, BEIDOU, QZSS, NavIC ) in band L1 and L5.BK-1612-1N module is based on the state of art NavIC architecture, integrating multi-band and multi-system GNSS RF and base band. This newly designed architecture makes this single chip achieve sub-meter level positioning ...
area of baseband configuration, such as phase-lock loop (PLL) tuning, and in the area of measurement processing, such as identifying and rejecting scintillation-corrupted measurements, while the receiver architecture, in general, is similar to that of a typical high-precision navigation receiver. ...
SBAS system functionality In general, most SBAS service providers use a similar system architecture as introduced by the WAAS setup, since WAAS was the first satellite based augmentation system being developed. The complete system consists of a chain of ground monitoring stations linked to a central...
CPU113and/or an application executed by the host CPU113that determine a mode in which the GNSS system101operates, as is described in further detail below. The functionality of the decision processor121can also be provided within the CPU107of the GNSS system101, a separate hardware processor, ...
RF receiver for GNSS signals, (e.g., GPS, Galileo, Glonass), composed of a single chip and a low number of external components, has a number of independent signal paths each includi