Essays about: "link budget"

Showing result 6 - 10 of 45 essays containing the words link budget.

  1. 6. Antenna Options for High Altitude IMT Base Stations (HIBS) in Cellular Networks

    University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Author : Harald Magnusson; [2022]
    Keywords : High altitude IMT Base Station HIBS ; High Altitude Platform Station HAPS ; Link Feasibility; Coverage Feasibility; Phased Array Antenna; Parabolic Reflector Antenna;

    Abstract : This thesis is the result of a collaboration between Ericsson AB and Luleå University of Technology. A feasibility study has been conducted to investigate antenna options for the HIBS access link. The study contains two parts. Firstly, a link budget investigating the gain required from the antenna. READ MORE

  3. 7. Design of a Satellite Constellation Intended for Use with a Small User Terminal

    University essay from KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Author : Mathias Axelsson; [2022]
    Keywords : ;

    Abstract : Satellite constellations intended for communications services are becoming increasingly relevant with multiple companies such as Starlink and OneWeb launching constellations consisting of hundreds or thousands of satellites. This thesis investigated how such a constellation can be designed for a small user terminal with a diameter of approximately 15 cm. READ MORE

  4. 8. Differences in Management Control System from the Teachers’ Perspective: A cross-sectional interview study of Public and Private Primary Schools

    University essay from Lunds universitet/Företagsekonomiska institutionen

    Author : Leomar Junior Laclé; Mohammad Nashed; [2020]
    Keywords : Management Control System; Public school; Private school; Teacher; Professional Service Firm; Business and Economics;

    Abstract : Purpose: The Swedish primary education consists of public and private schools, where a comprehensive voucher system surrounds them. The different types of organizations present the debate of whether the different school management objectives, create an advantage over the other. READ MORE

  5. 9. Construction of RF-link budget template for transceiver modelling

    University essay from Linköpings universitet/Fysik och elektroteknik; Linköpings universitet/Tekniska fakulteten

    Author : David Frykskog; Hjalmar Jonsson; [2019]
    Keywords : Radio; System; Design; Electrical; Engineering; Transceiver; Receiver; Simulation; VSS; AWR; 5G; AGC; Digital; filtering; Link Busget; Time Domain;

    Abstract : This master thesis report details the process of developing a simulation platform for radio transceivers with a focus on analog receiver front end system design. The platform was implemented in the National Instruments VSS environment for the company Ericsson AB. .. READ MORE

  6. 10. A feasibility study for a satellite VHF Data Exchange System (VDES)

    University essay from KTH/Rymdteknik

    Author : Julian Grujicic; [2019]
    Keywords : Systems engineering; satellite design; satellite communication; AIS; VDES; LEO; satellite constellation; CubeSat; new space .; Systemteknik; satellitdesign; satellitkommunikation; AIS; VDES; Låg-jordbana; satellitkonstellation; CubeSat .;

    Abstract : Transportation across the globe's oceans increases every year and is expected to keep increasing in the following decades. Consequently, there is a need to establish communication over the horizon through the Automatic Identification System (AIS) and the Very High Frequency (VHF) Data Exchange System (VDES), still in development, to track and communicate with vessels all over the globe regardless of the distance from shore. READ MORE