Sökning: "Cell phones"

Visar resultat 1 - 5 av 132 uppsatser innehållade orden Cell phones.

  1. 1. Evaluation and Optimization of LTE-V2X Mode 4 under Aperiodic Messages of Variable Size

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

    Författare :Md Mamunur Rashid; [2023]
    Nyckelord :LTE-V2X; aperiodic; variable size; CAM; Technology and Engineering;

    Sammanfattning : Vehicular networks connect vehicles for improved road safety and efficiency with the assistance of wireless information exchange. Vehicular networks are based on the frequent broadcast of awareness messages referred to as CAM (Cooperative Awareness Messages) or BSM (Basic Safety Message) in the ETSI and SAE standards, respectively. LÄS MER

  3. 2. Evaluation of a Test Rig to Determine the Need For Human Operators in Ergonomic Testing of Pistol Grip Power Tools

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

    Författare :Felix Ekman; Axel Sernelin; [2023]
    Nyckelord :;

    Sammanfattning : Handheld power tools are found in many different manufacturing processes, everywhere from miniature screw joints in cell phones to safety-critical joints in automotive vehicles. The tools are often used for many consecutive hours which emphasizes the need for good ergonomics to ensure the safety of the operators. LÄS MER

  4. 3. Simulation and Testing of a MU-MIMO Beamforming System

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

    Författare :Nazyar Mehdishishavan; Zonghan Wang; [2023]
    Nyckelord :Multi-User Multiple-Input Multiple-Output MU-MIMO ; Beamforming; Sounding Reference Signal SRS ; Reciprocity-based; Butler matrix; Advanced Antenna System AAS ; Technology and Engineering;

    Sammanfattning : Multi-User Multiple-Input Multiple-Output (MU-MIMO) technology has become increasingly important in the field of wireless communication due to its ability to highly increase the capacity and efficiency of wireless networks [1]. Beamforming, as a technique used in MU-MIMO systems, improves network performance by improving signal quality and reducing interference. LÄS MER

  5. 4. Mobiltelefonförbud i gymnasieskolan : Lärare som implementerande frontlinjebyråkrater

    Kandidat-uppsats, Umeå universitet/Statsvetenskapliga institutionen

    Författare :Linn Lidström; [2023]
    Nyckelord :implementation; implementation problem; street-level bureaucracy; discretion; policy; school; teachers; cell phone ban; implementering; implementeringsproblem; frontlinjebyråkrati; handlingsutrymme; policy; skolan; lärare; mobiltelefonförbud;

    Sammanfattning : Since August 2022, the use of cell phones in Swedish schools is regulated by law. In this study, the implementation of the cell phone ban is studied from the perspective of upper secondary school teachers as an example of implementation within a street-level bureaucracy setting. LÄS MER

  7. 5. Faraday cage för förvaring av hemelektronik och EMF-dämpning

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

    Författare :Arianne Östlund; [2023]
    Nyckelord :;

    Sammanfattning : Elektromagnetiska fält (EMF) finns överallt. De är naturligt förekommande, men teknik orsakar allt fler konstgjorda fält i olika styrkor ovanpå dessa. LÄS MER