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Showing result 1 - 5 of 52 essays matching the above criteria.

  1. 1. The solar abundance of beryllium : constraining the solar problem via non-LTE modelling

    University essay from

    Author : Daria Ogneva; [2023]
    Keywords : atomic processes; radiative transfer; abundance;

    Abstract : Accurately determining the solar abundance of beryllium is a key to calibrate transport processes at the base of convective zone, which in turn is an improvement upon existing solar models and general understanding of the physical processes within the Sun. To determine an abundance, assumptions about the solar atmosphere must be made. READ MORE

  3. 2. Antenna as a sensor for sensing available LTE networks

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

    Author : Barath Kumar Sathish Kumar; [2022]
    Keywords : Radio Frequency energy harvesting; Antenna as a sensor; Long-Term Evolution; Rectifier; Printed Circuit Board; Altium Designer; Matching network; Voltage multiplier; Schottky diodes; Multiband LTE antenna; Ambient energy harvesting; Low power Internet of Things; Wireless power transfer; Radiofrekvensenergiskörd; Antenn som sensor; LTE; Likriktare; Printed Circuit Board; Altium Designer; Matchande nätverk; Spänningsmultiplikator; Schottky-dioder; Multiband LTE-antenn; Omgivande energiskörd; Lågeffekt Internet of Things; Trådlös kraftöverföring;

    Abstract : This thesis primarily deals with the concept of designing an antenna based device to harvest energy from Radio Frequency (RF) and using the harvested energy to sense the available Long Term Evolution (LTE) network in order for the Internet of Things (IoT) devices to connect to the network for the purpose of transmitting and receiving data. Secondarily the importance of this project is targeting how to conserve battery power in an IoT device and extend it’s lifetime. READ MORE

  4. 3. Communication Channel Analysis for Efficient Beamforming

    University essay from Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandling

    Author : Manoj Sai Manda; [2020]
    Keywords : Communication Channel; Beamforming; MIMO; Signal processing;

    Abstract : In this modern communication era, we are surrounded by unlimited electronic devices, the need to connect with everyone and everything increases dramatically. As the number of electronic devices increases, the amount of data to process increases and the need for higher data speeds occurs. READ MORE

  5. 4. Smart Case for Remote Radio Kit

    University essay from Uppsala universitet/Fasta tillståndets elektronik

    Author : Emil Östlund; [2019]
    Keywords : CAD; LTE; IoT; Signal processing; Data communication; Data transmission; 3D printing; Soldering; Electrical circuit; schematics; simulations; Arduino; Software; Hardware;

    Abstract : The thesis aims to develop a prototype for a Smart Case for Remote Radio Kits at the department of Demo & Event at Ericsson in Kista.The smart case consists of a mechanical structure (the case itself with ) and an electronic system that includes a temperature sensor, a LCD display showing the temperature, a GPS (global positioning system) module for positioning the case, a GSM (Global System for Mobile Communications) module and a microcontroller Arduino UNO. READ MORE

  6. 5. Identification of Flying Drones in Mobile Networks using Machine Learning

    University essay from Linköpings universitet/Kommunikationssystem

    Author : Elias Alesand; [2019]
    Keywords : Drones; Machine Learning; LTE; Mobile networks; Radio; Decision tree; Ensemble learning;

    Abstract : Drone usage is increasing, both in recreational use and in the industry. With it comes a number of problems to tackle. Primarily, there are certain areas in which flying drones pose a security threat, e.g. READ MORE