Essays about: "3G and 4G TECHNOLOGY"

Showing result 1 - 5 of 41 essays containing the words 3G and 4G TECHNOLOGY.

  1. 1. The mobile Solow Paradox? Evidence from Swedish firms

    University essay from Handelshögskolan i Stockholm/Institutionen för nationalekonomi

    Author : Martin Vernon Fernandez; [2023]
    Keywords : Mobile broadband; Firm data; Productivity;

    Abstract : This thesis examines the effects of 3G and 4G technologies on firm performance and productivity in Sweden. Using a comprehensive dataset of Swedish firms and data on the availability of mobile broadband technologies, the study found that while contemporary effects of the technologies were negative, they had a positive effect on firm sales when using different orders of lags. READ MORE

  3. 2. Evaluation of the Perceived Speech Quality for G729D and Opus : With Different Network Scenarios and an Implemented VoIP Application

    University essay from Linköpings universitet/Informationskodning

    Author : Louise Almér; [2022]
    Keywords : Compression; Codec; audio; speech quality; quality of experience;

    Abstract : Communication has always been a vital part of our society, and day-to-day communication is increasingly becoming more digital. VoIP (voice over IP) is used for real-time communication, and to be able to send the information over the internet must the speech be compressed to lower the number of bits needed for transmission. READ MORE

  4. 3. Characterisation and Modeling of RF environment

    University essay from Uppsala universitet/Signaler och system

    Author : Patric Beas Petersson; [2022]
    Keywords : signal processing; passive radar; antenna array; data processing; signalbehandling; passiv radar; antennarray; databehandling;

    Abstract : Devices that transmit and receive electromagnetic signals are today central to the way people communicate and acquire information from the surroundings. WiDAR, Wideband Digital Array Receiver, is the name of a new system of digital antenna array receivers, which has recently been developed at Saab in Järfälla and is the focus of this thesis. READ MORE

  5. 4. A Study on Data-driven Methods for Selection and Evaluation of Beam Subsets in 5G NR

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

    Author : Nic Ekman; Ilias Theodoros Skordas; [2022]
    Keywords : 5G; NR; telecom; telecommunications; ML; machine learning; algorithms; beam; widebeam; propagation; beamforming; subset; RAN; radio; radio environment; ericsson; Technology and Engineering;

    Abstract : 5G New Radio is the next generation of mobile networks and it comes with promises of ultra-high speeds, ultra-high reliability and ultra-low latency. This has posed a challenge for the engineers entrusted with the task of finding solutions which could fulfil the specification, and as a result, some promising areas have received increased attention in recent years. READ MORE

  6. 5. Lightweight Real-Time Lossless Software Compression of Trace Data

    University essay from Linköpings universitet/Datorteknik

    Author : Simon Höglund; [2021]
    Keywords : ;

    Abstract : Powerful System-on-Chip (SoC) produced today has an increasing complexity, featuringmore processors and integrated specialized hardware. This is the case with the EricssonMany-Core Architecture (EMCA) that runs the complex radio modulation standardswithin 3G, 4G and 5G. Such complicated systems require trace data to debug and verifyits behavior. READ MORE