Essays about: "wireless channel modeling"

Showing result 1 - 5 of 35 essays containing the words wireless channel modeling.

  1. 1. Parabolic equation models simulating LoS MIMO conditions

    University essay from Karlstads universitet/Institutionen för ingenjörsvetenskap och fysik (from 2013)

    Author : Zarafshan Carneil; [2023]
    Keywords : MIMO; channel capacity; phase difference; MIMO phase;

    Abstract : This thesis explores and develops a simulation model for Line of Sight(LoS) Multiple-Input Multiple-Output (MIMO) systems in complex environments. The focus will be on implementing a 2 × 2-MIMO system in order to study phase differences of the received signals. READ MORE

  3. 2. Ray-tracing Based Investigations on the Deployment of RISs in Indoor Scenarios

    University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

    Author : Swaroop Divya Sai Prem Nambala; Dexin Kong; [2023]
    Keywords : Reconfigurable intelligent surface; RIS; optimization; Ray-tracing; Mixed integer linear programming MILP ; Complex impulse response; Wireless Insite.; Technology and Engineering;

    Abstract : Reconfigurable intelligence surface (RIS) is a promising candidate technology for future 6G wireless communication systems. In existing communication systems, the network operators are unable to control the propagation environment, which causes significant limitations on communication performance. READ MORE

  4. 3. Initial access for 5G mmWave private networks

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

    Author : Mei Li; [2023]
    Keywords : Private Network; Initial Access; Millimeter-Wave; Ray Tracing; Cell Search; Random Beamforming; Privat nätverk; Initial Access; Millimeter-Wave; Ray Tracing; Cell Search; Random Beamforming;

    Abstract : This research delves into wireless communication systems, with a particular focus on initial access processes, channel modeling, and beamforming strategies. The study involves meticulous channel data collection across diverse urban, suburban, and rural terrains, each presenting unique propagation challenges. READ MORE

  5. 4. Simulation of Radio Propagation Path in Indoor Environment

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

    Author : Minu Revathikumar; [2022]
    Keywords : 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;

    Abstract : 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. READ MORE

  6. 5. ML-Aided Cross-Band Channel Prediction in MIMO Systems

    University essay from Linköpings universitet/Statistik och maskininlärning

    Author : Alejo Pérez Gómez; [2022]
    Keywords : MIMO; Deep Learning; Machine Learning; Probabilistic Principal Component Analysis; Variational Autoencoder;

    Abstract : Wireless communications technologies have experienced an exponential development during the last decades. 5G is a prominent exponent whose one of its crucial component is the Massive MIMO technology. READ MORE