Sökning: "path loss modeling"

Visar resultat 1 - 5 av 13 uppsatser innehållade orden path loss modeling.

  1. 1. Vibration Avoidance Based on Model-Based Control Incorporating Input Shaping

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Chenqi Ma; [2023]
    Nyckelord :Multi-joint industrial robot; Vibration avoidance; Path deviation; Input shaping; Extended flexible joint model; Nonlinear gray-box identification; Fleraxlade industrirobotar; Vibrationsdämpning; Banavvikelse; Ingångsformning; Utökad flexibel axelmodell; Icke-linjär gray-box modell;

    Sammanfattning : VIBRATION AVOIDANCE, a technique to proactively remove unwanted or excessive vibrations in multi-joint industrial robots, has shown to be desired in various applications. A trade-off between vibration avoidance performance and path deviation has been thekey criteria for assessing the effectiveness and quality of an approach. LÄS MER

  3. 2. Simulation of Radio Propagation Path in Indoor Environment

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Minu Revathikumar; [2022]
    Nyckelord :Indoor 3D propagation model; millimeter waves mmWaves ; 5G; Basic propagation mechanism; Excess loss; Inomhus 3Dspridnings modell; millimeter vågor mmVågor ; 5G; Grundläggande spridnings mekanism; Överskotts förlust;

    Sammanfattning : Several propagation channel models are designed to verify signal behavior in specific environments for future 5G cellular networks. Hence, with the massive development and demand of indoor wireless systems, a suitable design prior to deployment is required for energy and cost-efficient implementations. LÄS MER

  4. 3. E-Band SPDT RF Switch for a Class F PA in III-V Nanowire MOSFET Technology

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Rungeng Xu; [2022]
    Nyckelord :E-band; III-V Nanowire MOSFET; RF Switch; Class-F PA; Technology and Engineering;

    Sammanfattning : This project designs an RF switch operating in E-band to provide a transmit path from a Class-F power amplifier (PA). The basic RF switch is based on the single-pole double-throw (SPDT) topology using shunt transistor switches and two λ/4 transmission line. LÄS MER

  5. 4. Design of Low-Power Wide-Area Networks at Sea

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Michiel Sandra; [2020]
    Nyckelord :Internet of things; maritime communications; low-power wide-area networks; path loss modeling; Technology and Engineering;

    Sammanfattning : The development of low-power wide-area (LPWA) technologies has opened up for the deployment of wireless networks for new Internet of Things (IoT) applications. One of these is the monitoring of buoys at sea, which tend to detach due to ice, stormy weather or collision with boats, etc. LÄS MER

  7. 5. Propagation Modeling and LTE Network Performancein Real City Scenarios

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Signaler och System

    Författare :Sebastian Vestberg; [2018]
    Nyckelord :Propagation modeling; Network Simulations; LTE;

    Sammanfattning : Maps of chosen areas in Chicago, San José, London and Shibuya, areimported from Open Street Map into matlab in order to run LTE networksimulations for various scenarios. Firstly, two path loss models arecompared, the empirically based WINNER model and a set of sitespecificmodel. LÄS MER