Browsing Moksliniai ir apžvalginiai straipsniai / Research and Review Articles by LT specializations "L106 - Transportas, logistika ir informacinės ir ryšių technologijos (IRT) / Transport, logistic and information and communication technologies"
Now showing items 1-20 of 1230
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0.13 μm CMOS traveling-wave power amplifier with on- and off-chip gate-line termination
(Electronics, 2020)Broadband amplifiers are essential building blocks used in high data rate wireless, radar, and instrumentation systems, as well as in optical communication systems. Only a traveling-wave amplifier (TWA) provides sufficient ... -
0.18 μm CMOS power amplifier architecture comparison for a wideband Doherty configuration
(Informacije MIDEM - Journal of Microelectronics, Electronic Components and Materials, 2016)This paper presents a comparison between a classical and a self-biased two stage CMOS power amplifier (PA) suitable for a wideband Doherty (DPA) configuration. Both PAs are fully differential and have been implemented in ... -
5G standalone and 4G multi-carrier network-in-a-box using a software defined radio framework
(Sensors: Special issue: Experimentation in 5G and beyond networks: State of the art and the way forward, 2021)In this work, an open Radio Access Network (RAN), compatible, scalable and highly flexible Software Defined Radio (SDR)-based Remote Radio Head (RRH) framework is proposed and designed. Such framework can be used to implement ... -
65 nm KMOP technologijos histerezinio komparatoriaus projektavimas
(Mokslas – Lietuvos ateitis = Science – future of Lithuania: elektronika ir elektrotechnika = Electronics and electrical engineering, 2014)Komparatorius yra vienas iš pagrindinių elektronikos įtaisų. Jis yra naudojamas kaip diskretinis elementas arba kaip viena iš sudėtingesnės sistemos sudedamųjų dalių. Šie įtaisai dažnai veikia elektronikos sistemose, kuriose ... -
A 79 dBΩ 1.2 GHz low-noise single-ended CMOS transimpedance amplifier for high-performance OTDR applications
(Electrical, control and communication engineering, 2019)The work reports on the design and performance of a low-noise low-cost CMOS transimpedance amplifier (TIA). The proposed circuit shall be employed in optical time-domain reflectometers and is implemented using an affordable ... -
A character-based part-of-speech tagger with feedforward neural networks
(Romanian journal of information science and technology, 2018)This article presents a simple method to perform part-of-speech (POS) tagging with feedforward neural networks applied to learnable character embeddings. The motivation of the research is based on the fact that for some ... -
A combined approach for multi-label text data classification
(Computational intelligence and neuroscience, 2022)Automated data analysis solutions are very dependent on data and its quality. The possibility of assigning more than one class to the same data item is one of the specificities that need to be taken into account. There are ... -
A combined interval Type-2 Fuzzy MCDM framework for the resilient supplier selection problem
(Mathematics: Multi-criteria decision making and data mining, 2022)Selecting the most resilient supplier is a crucial problem for organizations and managers in the supply chain. However, due to the inherited high degree of uncertainty in real-life projects, developing a decision-making ... -
A comparison of discrete schemes for numerical solution of parabolic problems with fractional power elliptic operators
(Mathematics: Section Computational and Applied Mathematics, 2021)The main aim of this article is to analyze the efficiency of general solvers for parabolic problems with fractional power elliptic operators. Such discrete schemes can be used in the cases of non-constant elliptic operators, ... -
A comparison of passive and semi-active mathemtical car models
(Inžinerinės ir edukacinės technologijos = Engineering and educational technologies, 2018)The main focus of this article is to provide background for mathematical model of a quarter, half and full car model. The dynamic model, which can describes the relationship between the input and output, enables ones to ... -
A cost-benefit analysis of the installation of an automatic incident detection system in Vilnius
(The Baltic journal of road and bridge engineering, 2021)A well-functioning transport network is a key element of a successful economy. One of the biggest problems in transportation is the large number of vehicles, which leads to congestion. Traffic congestion negatively influences ... -
A current spectrum-based algorithm for fault detection of electrical machines using low-power data acquisition devices
(Electronics: Advanced Fault Detection, Diagnosis and Prognosis in a Context of Renewable Power Generation, 2023)An algorithm to improve the resolution of the frequency spectrum by detecting the number of complete cycles, removing any fractional components of the signal, signal discontinuities, and interpolating the signal for fault ... -
A deep-learning-based approach to keystroke-injection payload generation
(Electronics: Special issue: Data driven security, 2023)Investigation and detection of cybercrimes has been in the spotlight of cybersecurity research for as long as the topic has existed. Modern methods are required to keep up with the pace of the technology and toolset used ... -
A design methodology for programmable-gain low-noise TIA in CMOS
(Journal of electrical engineering-Elektrotechnický časopis, 2021)The work reports on the design of an area-efficient inductor-less low-noise CMOS trans\-impedance amplifier suitable for entry-level optical time-domain reflectometers. The work suggests a novel approach for implementing ... -
A dynamic fuzzification approach for interval type-2 membership function development: case study for QoS planning
(Soft computing, 2021)Nowadays, there is a great interest in expressing uncertain concepts by means of fuzzy set theory proposed by L.A. Zadeh. The application of the fuzzy sets theory includes a fuzzification process that expresses an uncertain ... -
A framework for project delivery systems via hybrid fuzzy risk analysis: Application and extension in ICT
(Mathematics: Special issue: Data driven decision-making under uncertainty (D3U), 2022)One of the essential factors of project success is selecting the proper delivery method. This study aimed to provide a new hybrid decision-making framework to assist project stakeholders in evaluating and selecting the ... -
A fuzzy ARAS method for supply chain management performance measurement in SMEs under uncertainty
(Transformations in business & economics / Vilnius University, Brno University of Technology, University of Latvia, 2017)In this study, a novel framework is presented to assess supply chain management performance measurement (SCMPM) of small-medium sized enterprises (SMEs) under uncertainty by additive ratio assessment (ARAS) method that ... -
A fuzzy decision-making approach for evaluation and selection of third party reverse logistics provider using fuzzy ARAS
(Transport, 2020)Business environment is full of ups and down and this makes companies to develop different ways of using resources. By expanding life cycle of products, these ways can be cost effective and not harmful for environment. As ... -
A Fuzzy WASPAS-based approach to determine critical information infrastructures of EU sustainable development
(Sustainability, 2019)Critical information infrastructure exists in di_erent sectors of each country. Its loss or sustainability violation will lead to a negative impact on the supply of essential services, as well as on the social or economic ... -
A general methodology for reducing computing times of road network design algorithms
(International journal of supply and operations management (IJSOM), 2019)In this paper, a general methodology for reducing computing times in procedures for solving road network design problems is proposed. Such problems which are studied extensively in the related literature concern the design ...