Essays about: "GNSS Signal"

Showing result 11 - 15 of 33 essays containing the words GNSS Signal.

  1. 11. Development of Software Library for Open Source GNSS Receiver with Focus on Physical Layer Signal Processing

    University essay from Luleå tekniska universitet/Rymdteknik

    Author : Vitalijs Kudrins; [2021]
    Keywords : GNSS; GPS; Galileo; GNSS Signal; Rust library; Engelska; English;

    Abstract : In order to directly interface with signal broadcast by global navigation satellite systems (GNSS) – such as GPS or Galileo – for the purpose of calculating location, a potential user is required to extract great amount of information from interface control documents (ICD) as well as build custom software tools to process this information. This is time consuming and inefficient. READ MORE

  3. 12. Development of GNSS Type Processing for the Characterization of the Mobile Propagation Channel

    University essay from KTH/Fastigheter och byggande

    Author : Adrien Bardou; [2021]
    Keywords : LMS Channel; Multi-paths; GNSS; SCHUN; Simulation; LMS-kanal; flerv¨agar; GNSS; SCHUN; Simulering;

    Abstract : Mobile communication systems are undergoing significant development on increasingly wide frequency bands (5G in particular). To support this development, a detailed characterization of the propagation of electromagnetic waves in L, S and C band between a station (satellite, airborne or ground) and a mobile platform is necessary to analyze and model the phenomena that have a decisive impact on the performance, availability and operability of systems. READ MORE

  4. 13. Positioning in Non-Terrestrial Networks

    University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

    Author : Soha Emara; [2021]
    Keywords : positioning; 5G; satellite; NTN; Technology and Engineering;

    Abstract : In 5G communications, Non-terrestrial Network (NTN) is envisioned to complement Terrestrial Network (TN) to increase network availability, scalability and continuity. Positioning of User Equipment (UE) is critical for the operation of NTN. Currently, NTN uses Global Navigation Satellite System (GNSS) for positioning. READ MORE

  5. 14. Robust naval localization using a particle filter on polar amplitude gridmaps

    University essay from KTH/Optimeringslära och systemteori

    Author : Carl Schiller; [2021]
    Keywords : Amplitude gridmap; particle filter; position monitoring; marine navigation.; Amplitudrutnätskartor; partikelfilter; positionsestimering; marin navigation.;

    Abstract : Maritime navigation heaviliy relies on GNSS and related technologies for positioning and navigiation. Since these technologies are vulnerable to external threats such as signal spoofing, alternatives are needed for backup purposes. READ MORE

  6. 15. A Comparison of Smartphone GPSL1 and Galileo E1-B/C Spoofing Resilience

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Torbjörn Leksell; [2021]
    Keywords : GNSS; Spoofing; GPS; Galileo; Smartphone; GPU; Signal Simulation; GNSS; Förfalskning; GPS; Galileo; Smarttelefon; GPU; Signalsimulator;

    Abstract : Location-based services have grown in importance as smartphones, and location-based applications have become an integral part of everyday life. While Global Navigation Satellite Systems (GNSSs) provide the most accurate position determination, open service GNSS signals remain unprotected and susceptible to spoofing attacks. READ MORE