Sökning: "distributed simulation"

Visar resultat 16 - 20 av 278 uppsatser innehållade orden distributed simulation.

  1. 16. Assessment of Exposure to Electromagnetic Fields from Distributed MIMO Antennas

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

    Författare :Frans Nyberg Zou; [2022]
    Nyckelord :6G; Distributed MIMO; Electromagnetic field exposure; Hybrid simulations; 6G; Distribuerad MIMO; Exponering av elektromagnetiska fält; Hybridsimueringar;

    Sammanfattning : Research on 6G telecommunication networks has been initiated. Among all potential technology components, the distributed multi-input multioutput (D-MIMO) technology is one of the promising enablers. Due to the new technology solutions, additional methodologies for assessment of electromagnetic field (EMF) exposure need to be developed. LÄS MER

  3. 17. Simulations of Point Processes on Directed Graphs

    Master-uppsats, Uppsala universitet/Institutionen för informationsteknologi

    Författare :Stavroula Rafailia Vlachou; [2022]
    Nyckelord :;

    Sammanfattning : Simulating a point process where the events correspond to vehicle collisions on a road networkcan be quite computationally heavy due to the large number of elements that are necessary toprovide a sufficient discretization of the network. This paper aims to present a computationallyefficient solution for simulating events of a point process. LÄS MER

  4. 18. Access Point Selection and Clustering Methods with Minimal Switching for Green Cell-Free Massive MIMO Networks

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

    Författare :Qinglong He; [2022]
    Nyckelord :Cell-free massive MIMO; multi-objective optimization; deep reinforcement learning; AP switch ON OFF; energy efficiency; Cellfri massiv MIMO; multiobjektiv optimering; djup förstärkningsinlärning; AP switch ON OFF; energieffektivitet;

    Sammanfattning : As a novel beyond fifth-generation (5G) concept, cell-free massive MIMO (multiple-input multiple-output) recently has become a promising physical-layer technology where an enormous number of distributed access points (APs), coordinated by a central processing unit (CPU), cooperate to coherently serve a large number of user equipments (UEs) in the same time/frequency resource. However, denser AP deployment in cell-free networks as well as an exponentially growing number of mobile UEs lead to higher power consumption. LÄS MER

  5. 19. Distributed Trajectories under Mobile Phone Network: Empirical Estimation on Origin-Destination Matrix and Time-inhomogeneous Simulation

    Master-uppsats, Uppsala universitet/Statistik, AI och data science

    Författare :Liyuan Zhang; [2022]
    Nyckelord :;

    Sammanfattning : A trajectory is the movement of an object in space as time goes by,aka ‘spatiotemporal’. Aside from all the properties an ordinary trajectorypossesses, the primary characteristic of a distributed trajectoryis the uncertainty of its positioning. LÄS MER

  7. 20. A Game-theoretical Framework for Byzantine-Robust Federated Learning

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

    Författare :Wanyun Xie; [2022]
    Nyckelord :Game theory; distributed robust learning; training-time attacks; exploration-exploitation tradeoff; Spelteori; distribuerad robust inlärning; attacker på träningstiden; kompromiss mellan utforskning och exploatering;

    Sammanfattning : The distributed nature of Federated Learning (FL) creates security-related vulnerabilities including training-time attacks. Recently, it has been shown that well-known Byzantine-resilient aggregation schemes are indeed vulnerable to an informed adversary who has access to the aggregation scheme and updates sent by clients. LÄS MER