Sökning: "Wireless Communication"

Visar resultat 21 - 25 av 948 uppsatser innehållade orden Wireless Communication.

  1. 21. Wideband Dielectric Resonator Antenna Array for Autonomous Vehicles

    Uppsats för yrkesexamina på avancerad nivå, Högskolan i Halmstad/Akademin för informationsteknologi

    Författare :Andreas Johansson; Luke Müller; [2023]
    Nyckelord :DRA; dielectric resonator antenna; 5G; FR2; 28GHz; NR; antenna; circular polarization; autonomous vehicles;

    Sammanfattning : With the rapid advancement of autonomous vehicles, reliable and efficient wireless communication systems with high data rates have become essential for their safe and efficient operation and further evolution. High data rates are found in the higher frequency bands where conductive antennas lack radiation efficiency. LÄS MER

  3. 22. 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

  4. 23. Function Computation via Over-the-Air Computation: Practical System Design

    Master-uppsats, Uppsala universitet/Institutionen för informationsteknologi

    Författare :Yuzhi Chen; [2023]
    Nyckelord :;

    Sammanfattning : Future wireless networks will need to contain millions of nodes, machines, and devices and provide high-speed and low-latency communication services. The traditional wireless network architecture design separates the communication and computation process, which has low utilization of wireless resources. LÄS MER

  5. 24. Exploring the Advantages, Disadvantages, and Challenges of Implementing a Hybrid LiFi and WiFi Network : A Systematic Literature Review

    Kandidat-uppsats, Högskolan i Skövde/Institutionen för informationsteknologi

    Författare :Jonas Ingemarsson; [2023]
    Nyckelord :LiFi; WiFi; VLC; hybrid; network; LiFi; WiFi; VLC; hybrid; nätverk;

    Sammanfattning : I takt med att efterfrågan på trådlös kommunikation med hög hastighet ökar och det ökande antalet enheter som är trådlöst anslutna har forskare börjat utforska kompletterande teknologier. Hybridnätverk bestående av LiFi och WiFi är en kombination av Light-Fidelity och Wireless-Fidelity som kombinerar dataöverföring över både radiovågor och ljus. LÄS MER

  7. 25. Robust Neural Receiver in Wireless Communication : Defense against Adversarial Attacks

    Master-uppsats, Linköpings universitet/Kommunikationssystem

    Författare :Alice Nicklasson Cedbro; [2023]
    Nyckelord :Wireless communication; Neural receiver; Robust neural receiver; Adversarial machine learning; Fast Gradient Sign Method; Adversarial training;

    Sammanfattning : In the field of wireless communication systems, the interest in machine learning has increased in recent years. Adversarial machine learning includes attack and defense methods on machine learning components. LÄS MER