Sökning: "Digital Predistortion"

Visar resultat 1 - 5 av 16 uppsatser innehållade orden Digital Predistortion.

  1. 1. Joint CFR and DPD optimization for 5G Digital Front Ends

    Master-uppsats, Lunds universitet/Matematik LTH

    Författare :Gustav Olsson; [2023]
    Nyckelord :Crest Factor Reduction; Digital Pre-Distortion; Power Amplifier; Parameter Optimization; 5G; Base Station; Memory Polynomial; Technology and Engineering;

    Sammanfattning : This thesis project investigates the topic of joint optimization for crest factor reduction and digital predistortion blocks, which are used for digital correction of analogue impairments in digital radio front ends. The work first investigates the effects of joint parameter variation of the above blocks on the global performance and computational cost of the digital chain, given reference CFR and DPD algorithms. LÄS MER

  3. 2. Evaluating GPU for Radio Algorithms : Assessing Performance and Power Consumption of GPUs in Wireless Radio Communication Systems

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

    Författare :Albin André; [2023]
    Nyckelord :GPU; CUDA; Signal Processing; Radio; Algorithms; GPU; CUDA; Signalbehandling; Radio; Algoritmer;

    Sammanfattning : This thesis evaluates the viability of a Graphics Processing Unit (GPU) in tasks of signal processing associated with radio base stations in cellular networks. The development of Application Specific Integrated Circuits (ASICs) is lengthy and highly expensive, but they are efficient in terms of power consumption. LÄS MER

  4. 3. Linearization of Resistive Digital-to-Analog Converter for RF-Applications Using Compensator and Digital Predistortion

    Master-uppsats, Linköpings universitet/Elektroniska Kretsar och System

    Författare :Henrik Eklund; [2021]
    Nyckelord :DAC; RDAC; DPD; Linearization; Digital-to-Analog Converter; Resistive Digital-to-Analog Converter; Digital Predistortion;

    Sammanfattning : High-speed digital-to-analog converters are critical components in many radiofrequency (RF) applications. The resistive DAC (RDAC) architecture is suitable for high-speed implementation in extremely scaled digital circuit nodes. LÄS MER

  5. 4. Low Power Pre-Distorter Design For 5G Radio Using Machine Learning

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

    Författare :Sumeeth Diddigi Kulkarni; Di Wang; [2020]
    Nyckelord :Technology and Engineering;

    Sammanfattning : A Power Amplifier (PA) is an essential electronic component in all microwave and millimeter-wave applications and, more specifically, in any transmitting system where the level of input power signal needs amplification to the desired level.Linearity and high efficiency are of utmost importance in PAs. LÄS MER

  7. 5. Nonlinear effects and predictions in advanced antenna systems in 5G Distortion Effects in 5G

    Master-uppsats, Mittuniversitetet/Institutionen för informationssystem och –teknologi

    Författare :Altahra Mohammed; [2019]
    Nyckelord :PA; DPD; Active load-pull; Calibration.;

    Sammanfattning : In the next-generation wireless cellular communication systems known as 5G, radio equipment will be deployed in several frequency bands, among them is the millimeter wave bands (26 - 40 GHz). The use of these high frequencies can help to mitigate the limited spectrum problem and higher data rates can be achieved [2] . LÄS MER