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Available 5G NR Reference Signals and Their Potential For 5G NR Positioning
(2020)
Diplomityö
Diplomityö
The fifth-generation (5G) cellular network technology standard is bringing massive improvements and many new innovative features in cellular communications and 5G new radio (NR) based positioning is among them. Traditional ...
CP-free OFDM for Future Wireless Communication Systems
(2019)
Pro gradu -tutkielma
Pro gradu -tutkielma
Orthogonal frequency division multiplexing (OFDM) is a multicarrier transmission scheme and has been widely used in communication systems due to the advantages like simpler equalization, flexible signal arrangement and so ...
Analysis and comparison of CP-OFDM and UW-OFDM
(2019)
Diplomityö
Diplomityö
Society is in a process of continuous innovation, where the requirements are more and more demanding. Therefore, new mobile network technologies appear with the objective of meeting all these new needs, such as 5G New ...
RF beamforming in very wideband radio systems : analysis of the beam squint problem
(2020)
Diplomityö
Diplomityö
In the last few years the wireless data traffic has been encountered an extremely fast growth with a consequent high demand for accessible radio spectrum. In particular, the fifth-generation (5G) wireless technologies ...
Aerial Access and Backhaul in mmWave Systems
(2019)
Diplomityö
Diplomityö
The use of unmanned aerial vehicle (UAV)-based communication in millimeter-wave (mmWave) frequencies to provide on-demand radio access is a promising approach to improve capacity and coverage in beyond-5G (B5G) systems. ...
Resource Allocation and Multi-Connectivity Operation in Cellular IAB Networks
(2021)
Diplomityö
Diplomityö
The emerging 5G technology promises a capacity boost for future cellular networks due to the utilization of the millimeter-wave (mmWave) spectrum. However, radio propagation over mmWave bands implies higher propagation ...
Machine Learning in 5G URLLC Link Adaptation
(2021)
Pro gradu -tutkielma
Pro gradu -tutkielma
Ultra-reliable low latency communication (URLLC) is an emerging use-case of the 5G New Radio (5G-NR) standards. URLLC is an enabler of a multitude of mission-critical applications that demand very low latencies and a very ...
Physical waveform research for beyond 52.6 GHz in 5G NR networks
(2020)
Diplomityö
Diplomityö
Historically, in order to fulfil all the requirements for the new generations, the frequency bands have been expanded from generation to generation. In particular for the fifth generation new radio (5G NR), where the use ...
Investigations of 5G localization with positioning reference signals
(2020)
Diplomityö
Diplomityö
TDOA is an user-assisted or network-assisted technique, in which the user equipment calculates the time of arrival of precise positioning reference signals conveyed by mobile base stations and provides information about ...
Receiver Side Signal Processing for Nonlinear Distortion Compensation in 5G AND Beyond
(2023)
Diplomityö
Diplomityö
Trading between transmit waveform quality and power efficiency is one of the most challenging issues in radio transmitter implementation. To this end, digital predistortion is the de-facto solution for mitigating power ...