Temat: 5G - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: 5G technologies in intelligent transport systems - architectures, virtualization and network slicing
Autorzy:: Gajewski, S.
Powiązania:: https://bibliotekanauki.pl/articles/393393.pdf
Data publikacji:: 2019
Wydawca:: Polskie Stowarzyszenie Telematyki Transportu
Tematy:: 5G
network slicing
ITS
5G architecture
krojenie sieci
architektura 5G
Opis:: In the paper, 5G communication technologies implemented for Intelligent Transport Systems are discussed. Firstly, the essence of the 5G system concept is presented, and the problem of network functions virtualization (NFV) is analyzed. Moreover, the principle of virtualization is explained. Secondly, the analysis of network slicing is performed, from the point of view of transport systems implementation in the future 5G networks. The important part is the analysis of architecture proposals for the 5G communications system, implemented as ITS, for various scenarios of its work. The aim of this paper is the study on practice architecture of the 5G communication network for the ITS system, introduced as physical radio-informatics system implementation.
Źródło:: Archives of Transport System Telematics; 2019, 12, 1; 9-16
1899-8208
Pojawia się w:: Archives of Transport System Telematics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Selected aspects of non-orthogonal multiple access for future wireless communications – for IoT
Autorzy:: Wysocki, Tadeusz A.
Flizikowski, Adam
Marciniak, Tomasz
Powiązania:: https://bibliotekanauki.pl/articles/2016292.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
Tematy:: IoT networks
NOMA
5G
Opis:: This paper has provided an overview of selected IoT architectures, relevant requirements towards 5G (and beyond) systems as well as indication of NOMA techniques suitability as a multiple access technique and recent developments in the area of radio interface for IoT coexisting with 5G (and beyond) mobile networks. The authors assume that IoT networks in the future will be augmented with NOMA-capable sink-nodes (proxy or gateway) that can deliver aggregated data from multiple sensors for delivery to the cloud or other server. The main aim of this paper is to go beyond state of the art available nowadays and indicate directions for NOMA that make it even more attractive in combination with edge computing, cloud-RAN and especially AI/ML to improve future 6G networks.
Źródło:: Zeszyty Naukowe. Telekomunikacja i Elektronika / Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy; 2020, 24; 45-65
1899-0088
Pojawia się w:: Zeszyty Naukowe. Telekomunikacja i Elektronika / Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Energy Efficiency in 5G Communications – Conventional to Machine Learning Approaches
Autorzy:: Shahid, Muhammad Khalil
Debretsion, Filmon
Eyob, Aman
Ahmed, Irfan
Faisal, Tarig
Powiązania:: https://bibliotekanauki.pl/articles/1839308.pdf
Data publikacji:: 2020
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: 5G
energy efficiency
wireless networks
Opis:: Demand for wireless and mobile data is increasing along with development of virtual reality (VR), augmented reality (AR), mixed reality (MR), and extended reality (ER) applications. In order to handle ultra-high data exchange rates while offering low latency levels, fifth generation (5G) networks have been proposed. Energy efficiency is one of the key objectives of 5G networks. The notion is defined as the ratio of throughput and total power consumption, and is measured using the number of transmission bits per Joule. In this paper, we review state-of-the-art techniques ensuring good energy efficiency in 5G wireless networks. We cover the base-station on/off technique, simultaneous wireless information and power transfer, small cells, coexistence of long term evolution (LTE) and 5G, signal processing algorithms, and the latest machine learning techniques. Finally, a comparison of a few recent research papers focusing on energy-efficient hybrid beamforming designs in massive multiple-input multiple-output (MIMO) systems is presented. Results show that machine learningbased designs may replace best performing conventional techniques thanks to a reduced complexity machine learning encoder.
Źródło:: Journal of Telecommunications and Information Technology; 2020, 4; 1-9
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: 5G New Business Opportunities – New Business Models, Pricing, and Use Cases
Autorzy:: McCarthy-Ward, Peter
Valdar, Andy
Newstead, Stuart
Revell, Stuart
Powiązania:: https://bibliotekanauki.pl/articles/1839464.pdf
Data publikacji:: 2021
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: 5G services
business challenges
infrastructure
Opis:: This paper addresses how network operators may gain a reasonable return on their investment into 5G infrastructure. It first considers the 5G mobile network costs structure then applies this to three typical use cases.
Źródło:: Journal of Telecommunications and Information Technology; 2021, 2; 79-84
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Per Sub-band Tone Reservation Scheme for Universal Filtered Multi-Carrier Signal
Autorzy:: Mounira, Laabidi
Ridha, Bouallegue
Powiązania:: https://bibliotekanauki.pl/articles/27311943.pdf
Data publikacji:: 2023
Wydawca:: Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:: UFMC
PAPR
PSTR
Fifth generation (5G)
Opis:: Fifth generation (5G) applications like Internet of Things (IoT), Enhanced Mobile Broadband (eMBB), Cognitive Radios (CR), Vehicle to Vehicle (V2V) and Machine to Machine (M2M) communication put new demands on the network in terms of low latency, ultra-reliable communication and efficiency when transmitting very small bursts. One new contender that makes its appearance recently is the Universal Filtered Multi- Carrier (UFMC). UFMC is a potential candidate to meet the requirements of 5G upcoming applications. This related waveform encounters the peak-to-average power ratio (PAPR) issue arising from the usage of multi-carrier transmission. In this investigation, two PAPR reduction techniques, called Per Subband Tone Reservation (PSTR) scheme to alleviate PAPR in UFMC systems are suggested. The first one is a pre-filtering PSTR scheme that uses the least squares approximation (LSA) algorithm to calculate the optimization factor(μ) and the second one is a post-filtering method. The concept of this proposal lies on the use of peaks reductions Tone to carry the correctional signal that reduces the high peaks of each sub-band individually. To shed light on UFMC as a potential waveform for 5G upcoming application, a comparison with OFDM modulation is done.
Źródło:: International Journal of Electronics and Telecommunications; 2023, 69, 3; 545--552
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Centralized Spectrum Sharing and Coordination Between Terrestrial and Aerial Base Stations of 3GPP-Based 5G Networks
Autorzy:: Bechta, Kamil
Powiązania:: https://bibliotekanauki.pl/articles/1844695.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: 5G
spectrum sharing
unmanned aerial vehicle
Opis:: The objective of this paper is to estimate performance of a new approach for spectrum sharing and coordination between terrestrial base stations (BS) and On-board radio access nodes (UxNB) carried by Unmanned Aerial Vehicles (UAV). This approach employs an artificial intelligence (AI) based algorithm implemented in a centralized controller. According to the assessment based on the latest specifications of 3rd Generation Partnership Project (3GPP) the newly defined Unmanned Aerial System Traffic Management (UTM) is feasible to implement and utilize an algorithm for dynamic and efficient distribution of available radio resources between all radio nodes involved in process of optimization. An example of proprietary algorithm has been described, which is based on the principles of Kohonen neural networks. The algorithm has been used in simulation scenario to illustrate the performance of the novel approach of centralized radio channels allocation between terrestrial BSs and UxNBs deployed in 3GPP-defined rural macro (RMa) environment. Simulation results indicate that at least 85% of simulated downlink (DL) transmissions are gaining additional channel bandwidth if presented algorithm is used for spectrum distribution between terrestrial BSs and UxNBs instead of baseline soft frequency re-use (SFR) approach.
Źródło:: International Journal of Electronics and Telecommunications; 2021, 67, 2; 301-308
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Poland and the technological rivalry of great powers for leadership in 5G technology
Autorzy:: Tomaszewska, Paula
Powiązania:: https://bibliotekanauki.pl/articles/2120148.pdf
Data publikacji:: 2022-09-30
Wydawca:: Wydawnictwo Adam Marszałek
Tematy:: Polska
5G
rivalry
China
United States
Huawei
Opis:: The subject of the article is to analyze how Poland reacts to the US-Chinese competition for primacy over 5G technology. The importance of 5G systems has acquired a geopolitical dimension. Poland also feels its technological security dilemma. The acceptance by the Polish authorities of Washington’s position on 5G was undoubtedly an element of the negotiations on increasing the size of the American contingent in Poland. There are indications that decisions on how to treat Huawei in our country will be made on the basis of strong allied ties. At one time Poland seemed to be balancing between US pressure and China, but now it has sided decisively on the American side. The question still remains open: will the Polish state be able to fully open itself to the transatlantic allied relationship to benefit from this cooperation?
Źródło:: Reality of Politics; 2022, 21; 122-136
2082-3959
Pojawia się w:: Reality of Politics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: High Gain WAT Antenna for 38 GHz 5G Systems
Autorzy:: Przesmycki, Rafał
Bugaj, Marek
Powiązania:: https://bibliotekanauki.pl/articles/27312942.pdf
Data publikacji:: 2023
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: microstrip antenna
high gain
5G wireless system
Opis:: The article presents a high gain WAT microstrip antenna designed for 5G communication systems operating in the 38 GHz band. The antenna concerned has a compact structure with dimensions of 5. 16× 5. 05 mm. Rogers RT5880 laminate with a dielectric coefficient of 2. 2 and a thickness of 0. 254 mm was used as its substrate. The antenna works at a center frequency of 38 GHz and is characterized by a low reflection coefficient of – 29 .11 dB, a high energy gain of 7. 61 dB and a wide operating band of 1 .21 GHz (3. 18%). The paper presents an analysis of the simulation results and measurements of the device’s electrical parameters and radiation patterns.
Źródło:: Journal of Telecommunications and Information Technology; 2023, 4; 76--82
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Observation of WiMAX Radio Parameters to Enhance Spectrum Utilization in Mixed Environment
Autorzy:: Kowalik, K.
Kliks, A.
Musznicki, B
Kołodziejski, M.
Kryszkiewicz, P.
Powiązania:: https://bibliotekanauki.pl/articles/307572.pdf
Data publikacji:: 2018
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: 5G
bandwidth sharing
spectrum utilization
statistical characteristics
WiMAX
Opis:: It is believed that 5G networks will provide 1000 times more capacity than current solutions. One of the keys to achieve that goal is not only the utilization of additional radio bands, but also and foremost, the dynamic and efficient spectrum sharing. To successfully implement it such feature statistical observation and analysis of currently operational legacy systems are required. Comprehensive data on the signal parameters will allow then to determine and tune the approach to simultaneous bandwidth usage by existing and new systems. Therefore, to define and introduce the problem this paper presents a conceptual analysis of IEEE 802.16e based WiMAX network operating in the 3.6--3.8 GHz band on the eve of spectrum sharing introduction.
Źródło:: Journal of Telecommunications and Information Technology; 2018, 1; 42-50
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Political and Economic Contexts of Implementing 5G in Poland and in Selected European Countries
Autorzy:: Soler, Urszula
Powiązania:: https://bibliotekanauki.pl/articles/1839461.pdf
Data publikacji:: 2021
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: 5G technology
cybersecurity
economy
Europe
mobile networks
telecommunications
Opis:: The technology race to achieve the position of an economic leader is a phenomenon that has been taking place all over the world. The 5G technology has become a vital component of this race over the recent years. The technical capabilities it offers and the role it may play in the economy have become the subject of political debate and are at the very core of the “war for technology” between two superpowers: China and the United States. The European Union is aware of the fact that the position Europe enjoys on the international arena depends, to a large extent, on how quickly European countries will develop and implement 5G. Are individual European member states capable of seamlessly implementing the assumptions of strategies and plans concerned with the development of 5th generation technologies? Will the security of 5G networks be ensured in Europe? These are just some of the issues that are analyzed in this article with their economic and political context taken into consideration. A broader perspective is presented, with primary focus on the global geopolitical situation and on the conflict between China and the United States. The study was conducted by relying on an in-depth analysis of strategic state documents, reports drawn up by institutions tasked with implementing and monitoring the development of 5G technology, as well as literature on the subject and online resources.
Źródło:: Journal of Telecommunications and Information Technology; 2021, 2; 38-42
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: The importance of 5G networks for railway transport development
Autorzy:: Załoga, Elżbieta
Stępień, Grzegorz
Powiązania:: https://bibliotekanauki.pl/articles/1819181.pdf
Data publikacji:: 2020
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:: railway transport
digitalisation
5G network
service
passengers
accessibility
Opis:: Digitisation of transport is a tool for achieving the European Union’s political goals included in the Digital Single Market Strategy for Europe. For rail transport, digital innovation is required to increase its competitiveness. One of the tools of the digital transformation of railways is 5G networks, the fifth generation of wireless communication systems. The purpose of this article is to present the benefits of implementing 5G network for railway operators. Focus was placed on its innovative features, such as ultra-fast access to Internet services, very high connection reliability, and extremely low data transmission delays. Examples of new services for railway operators based on the capabilities of 5G networks were presented. This article describes the unique functions of the 5G network in which resources can be flexibly allocated depending on current traffic needs thanks to the network slicing function, e.g., for services of key importance to rail traffic and commercial services for other market segments. Roadmap proposals for transforming the current rail communication network infrastructure towards the target FRMCS system are presented. The analysis was based on source materials from Nokia Corporation, available literature, EU documents and regulations, as well as institutional studies of the railway sector.
Źródło:: Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2020, 63 (135); 29-35
1733-8670
2392-0378
Pojawia się w:: Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Prospects and QoS Requirements in 5G Networks
Autorzy:: Tikhvinskiy, V.
Bochechka, G.
Powiązania:: https://bibliotekanauki.pl/articles/307648.pdf
Data publikacji:: 2015
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: 5G
M2M
QoS
video services
virtualization
Opis:: In this article the requirements to some number of KPI that determine the quality of service (QoS) in 5G networks are formulated. The proposed QoS requirements are based on the analysis of functional requirements to 5G networks and traffic parameters for HD video and massive M2M services, which will be highly demanded in 2020. One of the 5G development paradigms is the network function virtualization (NFV) including cloud radio access and cloud core networks. The authors have proposed the concept of function blocks CQMF and CQCF to control and monitor QoS, which are implemented as part of the 5G network cloud infrastructure.
Źródło:: Journal of Telecommunications and Information Technology; 2015, 1; 23-26
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: A CPW-fed Sigma-shaped MIMO Antenna for Ka Band and 5G Communication Applications
Autorzy:: Madhav, B. T. P.
Devi, G. J.
Lakshman, P.
Anilkumar, T.
Powiązania:: https://bibliotekanauki.pl/articles/309564.pdf
Data publikacji:: 2018
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: 5G
coplanar waveguide
Ka band
MIMO
satellite downlink
Opis:: This article presents a MIMO compact antenna measuring 45×45×1.6 mm, on the FR4 substrate, proposed for Ka band and 5G communication applications. The proposed design is suitable to overcome the issues connected with massive MIMO. It has four-sigma-shaped radiating elements and a c-shaped ground plane with coplanar waveguide feeding. Its compact dimensions suit it for most existing communications systems. The aerial operates in the 21–30 GHz range, which covers Ka and 5G communication bands. The proposed antenna exhibits the average eﬃciency of more than 76% within its operating band and gives a minimum signal to noise plus interference ratio. The presented antenna covers several services, such as Ka band satellite downlink applications and future 5G communication applications.
Źródło:: Journal of Telecommunications and Information Technology; 2018, 4; 97-106
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: “The 5G files” – the movement to combat the introduction of fifth generation telephony – radicalization around one issue or element
Autorzy:: Witkowski, Przemysław
Powiązania:: https://bibliotekanauki.pl/chapters/11207473.pdf
Data publikacji:: 2023-06-28
Wydawca:: Collegium Civitas
Tematy:: COVID-19
Plandemia
5G
Anti-Enlightenment
Conspiracy Theories
Opis:: The Enlightenment and its values, such as naturalism, rationalism, humanistic and cognitive optimism, faith in progress, criticism, empiricism, sensualism and utilitarianism, are coming under increasing fire from social and political movements. One strand of this attack is anti-science protest movements, for example against vaccination and fifth-generation telephony. This text is an attempt to consider whether anti-5G activity can be considered a politically radicalized movement, and if so, whether it is focused solely on one issue or part of a larger wave. The article shows the roots and content of conspiracy theories related to the fight against 5G, as well as the structure, goals, and activities of the Polish part of this movement.
Źródło:: The Virus of Radicalization; 123-158
9788366386334
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Propagation and Network Analysis for a Dipole Based Massive Mimo Antenna for 5G Base Stations
Autorzy:: Pushpa, Anita Jones Mary
Chrysolite, Samuelraj
Powiązania:: https://bibliotekanauki.pl/articles/2124749.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: 5G antenna
massive MIMO
dipole array
maximum gain
Opis:: In today’s fast-paced world, where everyone/everything is moving towards an online platform, the need to provide high-speed data to all is inevitable. Hence, introducing the emerging 5G technology with orthogonal frequency division multiplexing integrated with massive MIMO technology is the need of the hour. A 640 port Massive MIMO (m-MIMO) antenna with high evenly spread gain and very low delay, along with a practically possible data rate operating in the mm waveband, is proposed for a 5G base station. The individual antenna element consists of a dipole (λ=0.5cm) designed to operate at 57GHz. Placing the cylindrical MIMO antenna array (8x20) facing the four directions forming the m-MIMO antenna (160x4) at the height of 3m from ground level for simulation. Achievement of a maximum gain of 23.14dBi (θ=90▫) and a minimum data rate of 1.44Gbps with -10dB bandwidth of 2.1GHz (256-QAM) approximately a distance of 478m from the 5G Base station. The m-MIMO structure gives an Envelope Correlation Coefficient of 0.015. The propagation analysis is carried out to substantiate the performance of the proposed system based on field strength and received power. Network Analysis for better reception performance is carried out by changing the antenna height placement, altering the down tilt of the antenna array, and sweeping the polarization angle of the antenna array.
Źródło:: International Journal of Electronics and Telecommunications; 2022, 68, 3; 511--517
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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