Essays about: "TDOA"

Showing result 1 - 5 of 37 essays containing the word TDOA.

  1. 1. Two-dimensional Acoustic Localizer : Proof of concept study for an acoustic surveillance device

    University essay from Uppsala universitet/Signaler och system

    Author : Julian Machuca Pihlblad; [2022]
    Keywords : ;

    Abstract : Public surveillance is evolving with the progress in technology and with it the fear of privacy breach, the feeling of being watched at all times. This thesis aimed to serve as a proof of concept (POC) for a new type of acoustic based surveillance for localizing gunshots in urban environments. READ MORE

  3. 2. 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

  4. 3. System Level Study of 5G Indoor Industrial Positioning

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

    Author : Viktor Minchev Pankov; [2020]
    Keywords : ;

    Abstract : Positioning technologies are starting to play an important role in commercial,industrial, and civil applications. Emergency caller ID and positioning in industrialenvironments are important use cases. READ MORE

  5. 4. Deployment Strategies for High Accuracy and Availability Indoor Positioning with 5G

    University essay from Linköpings universitet/Reglerteknik

    Author : Jesper Ahlander; Maria Posluk; [2020]
    Keywords : Indoor positioning; 5G; Cramér-Rao Lower Bound; Time Difference Of Arrival; Round Trip Time; Geometric Dilution Of Precision; Availability; Accuracy; Deployment strategies; Line-Of-Sight; Interference;

    Abstract : Indoor positioning is desired in many areas for various reasons, such as positioning products in industrial environments, hospital equipment or firefighters inside a building on fire. One even tougher situation where indoor positioning can be useful is locating a specific object on a shelf in a commercial setting. READ MORE

  6. 5. Time Synchronization of TDOA Sensors Using a Local Reference Signal

    University essay from Linköpings universitet/Kommunikationssystem

    Author : Alfred Hult; [2020]
    Keywords : TDOA; synchronization; sensor network; correlation; time-delay estimation; estimation; UAV; GPS; timing signal;

    Abstract : Synchronization of distributed time difference of arrival (TDOA) sensor networks can be performed using reference signals from GPS satellites. This method provides high accuracy, but is vulnerable to jamming, and is not reliable enough to be used in military applications. READ MORE