Wyniki wyszukiwania dla: COMMUNICATION NETWORKS - MOST Wiedzy

Wyszukiwarka

Wyniki wyszukiwania dla: COMMUNICATION NETWORKS

Wyniki wyszukiwania dla: COMMUNICATION NETWORKS

  • Infosystemy Elektroniczne 2023/2024

    Kursy Online
    • M. Kowalewski

    {mlang pl} Cel kursu: Poznanie zasad funkcjonowania różnorodnych infosystemów elektronicznych, obejmujących zastosowania przemysłowe i komercyjne elektroniki. Dla studentów jakiego kierunku/stopnia studiów dany kurs jest przeznaczony: Przedmiot prowadzonych na studiach II stopnia.Obowiązkowy dla specjalności "Komputerowe Systemy Elektroniczne" i "Computer Electronic Systems" na kierunku Elektronika.Obieralny dla specjalności...

  • Infosystemy Elektroniczne 2021/2022

    Kursy Online
    • M. Kowalewski

    {mlang pl} Cel kursu: Poznanie zasad funkcjonowania różnorodnych infosystemów elektronicznych, obejmujących zastosowania przemysłowe i komercyjne elektroniki. Dla studentów jakiego kierunku/stopnia studiów dany kurs jest przeznaczony: Przedmiot prowadzonych na studiach II stopnia.Obowiązkowy dla specjalności "Komputerowe Systemy Elektroniczne" i "Computer Electronic Systems" na kierunku Elektronika.Obieralny dla specjalności...

  • LOS and NLOS identification in real indoor environment using deep learning approach

    Visibility conditions between antennas, i.e. Line-of-Sight (LOS) and Non-Line-of-Sight (NLOS) can be crucial in the context of indoor localization, for which detecting the NLOS condition and further correcting constant position estimation errors or allocating resources can reduce the negative influence of multipath propagation on wireless communication and positioning. In this paper a deep learning (DL) model to classify LOS/NLOS...

    Pełny tekst do pobrania w portalu

  • Energy efficiency of electric multiple units in suburban operation

    Publikacja

    - Rok 2023

    This thesis presents approach to analysis of energy efficiency of a suburban rail network, using novel models developed on the Matlab/Simulink basis. Necessary features and requirements for such models were determined thru in-depth review of the source literature in all applicable fields: electrified transportation systems, electric multiple units construction, vehicle drivetrains and finally, existing simulation methods. Existing...

    Pełny tekst do pobrania w portalu

  • Process arrival pattern aware algorithms for acceleration of scatter and gather operations

    Imbalanced process arrival patterns (PAPs) are ubiquitous in many parallel and distributed systems, especially in HPC ones. The collective operations, e.g. in MPI, are designed for equal process arrival times (PATs), and are not optimized for deviations in their appearance. We propose eight new PAP-aware algorithms for the scatter and gather operations. They are binomial or linear tree adaptations introducing additional process...

    Pełny tekst do pobrania w portalu

  • Intranet and internal communication in an organization

    Publikacja

    - Rok 2006

    One of the conditions of an organizational effectiveness is acommunication. However, communication meets some obstacles. Newtechnological opportunities, such as Intranet support enterprise communication process and bring some benefits. This paper includes: the description of communication process and its barriers, the analyze of relationships between communication and an organizational effectiveness, advantages from implementing...

  • Framework of communication tools for an international company - internal communication

    Publikacja

    - Rok 2025

    The following article presents a set of communication tools that a joint company can take advantage of. The publication begins with a description of the historical background of communication, followed by a classification of communication tools into internal and external categories, along with brief characteristics of each. It indicates the purpose of implementing communication tools and the impact...

  • Framework of communication tools for an international company - external communication

    Publikacja

    - Rok 2025

    The following article presents a set of communication tools that a joint company can take advantage of. The publication begins with a description of the historical background of communication, followed by a classification of communication tools into internal and external categories, along with brief characteristics of each. It indicates the purpose of implementing communication tools and the impact...

  • Models of using the Internet by young Poles and their social capital.

    Highlights • Study examining Polish youth on internet usage styles. • Online communication is the most common form of spending time on the Internet. •...

  • Jolanta Kowal dr hab.

    Osoby

    Jolanta Kowal has a Post-doctoral Degree in Social Sciences (dr hab., DSc) in the field of economics and finance, an assistant professor, researcher, and lecturer in the Institute of Psychology of Wroclaw University, and a professor of the Gdańsk University of Technology, Poland, a Jungian analyst. Jolanta from 2014 held functions in the Board of the Polish Chapter of the Association for Information Systems (PLAIS) (President 2015-2018,...

  • Decision making techniques for electronic communication: an example for Turkey

    Publikacja

    - Rok 2017

    Communication is the way for people exchanging information with each other by using various tools. Electronic communication or Ecommunication is the process of sending, receiving and processing information or messages electronically. Electronic communication that is closely related to the development levels of countries, has made considerable progress especially in terms technology, innovation and entrepreneur. In this study, it...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Event-Triggered Communication in Cooperative, Adaptive Model Predictive Control of a Nuclear Power Plant’s Turbo–Generator Set

    Publikacja

    - ENERGIES - Rok 2023

    This paper discusses the issue of optimizing the communication between the components of a cooperating control system formed by a pair of MPC controllers of a nuclear power plant turbine set using online recursive least squares identification. It is proposed to use event-triggered communication, i.e., sending information only at selected time instants, as opposed to the standard approach where communication is triggered by time...

    Pełny tekst do pobrania w portalu

  • Design of M2M Communications Interfaces in Transport Systems

    Publikacja

    - Rok 2016

    In the paper the principle of M2M communications in transport systems is presented. The concept of M2M system architecture is considered. Characteristics of M2M communications for example data transmission, monitoring and other services for transport applications are presented. The problem of communications interfaces design for M2M applications is analysed. Next, the proposal of M2M communication interface for transport applications...

  • Entanglement-redistribution boxes

    Publikacja

    - PHYSICAL REVIEW A - Rok 2008

    We establish a framework to study the classical-communication properties of primitive local operations assisted by classical communication which realize various redistributions of entanglement, like, e.g., entanglement swapping. On the one hand, we analyze what local operations and how much classical communication are needed to perform them. On the other hand, we investigate whether and to what extent such primitives can help to...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Shallow Water Experiment of OFDM Underwater Acoustic Communications

    The large variability of communication properties of underwater acoustic channels, and especially the strongly varying instantaneous conditions in shallow waters, is a challenge for the designers of underwater acoustic communication (UAC) systems. The use of phase modulated signals does not allow reliable data transmission through such a tough communication channel. However, orthogonal frequency-division multiplexing (OFDM), being...

    Pełny tekst do pobrania w portalu

  • Entanglement-swapping boxes and their communication properties

    Publikacja

    - PHYSICAL REVIEW A - Rok 2008

    We pose the fundamental question of communication properties of primitives irrespectively of their implementation. To illustrate the idea we introduce the concept of entanglement-swapping boxes, i.e., we consider any quantum operations which perform entanglement swapping, not necessarily via simple quantum teleportation. We ask a question about the properties of such boxes, i.e., what local operations and how much classical communication...

    Pełny tekst do pobrania w portalu

  • Transmission parameters of underwater communication channels

    Publikacja

    The underwater environment is tough and demanding as a communication channel for ultrasonic signals. The channel transmission characteristics in marine and inland waters depend much on local bathymetry and changing weather conditions. The architecture and performance of a reliable underwater acoustic communication (UAC) system should allow real-time adaptation of its transmission parameters to a large variety of possible channel...

    Pełny tekst do pobrania w portalu

  • Effects of social media communication on brand equity and brand purchase intention

    Publikacja

    - Rok 2013

    The author studied the effect of two different social media communication on brand equity and brand purchase intention. A total of 504 data sets were generated through a standardized online-survey and analysed with structural equation modeling. The results of the empirical study showed that both firm-created and user-generated social media communication influenced brand equity, consequently impacting brand purchase intention. This...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • M2M communications system proposal for maritime applications

    This article describes the proposal to use the M2M communication to enhance the safety of people, ships and other marine infrastructure, in broadly defined marine systems. In addition, there are numerous examples of planned solutions to be implemented in the near future as well as new services. The proposal for M2M communication system architecture is described below. In addition, the use of the STRUGA system radio interface as...

    Pełny tekst do pobrania w portalu

  • Novel proposal for V2X systems and WBAN cooperation to improve road safety

    Publikacja

    - Rok 2017

    In this paper, a novel proposal of the automotive Vehicle-to-Everything system solution is presented. In this proposal, there are included the Machine to Machine type communication system and the sensor system based on a short-range the Wireless Body Area Network communication. The aim of this paper is the analysis of the model for communication, especially its architecture and signals structure for the proposed solution. The use...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Unbounded quantum advantage in communication complexity measured by distinguishability

    Publikacja

    - Physical Review Research - Rok 2024

    Communication complexity is a fundamental aspect of information science, concerned with the amount of communication required to solve a problem distributed among multiple parties. The standard quantification of one-way communication complexity relies on the minimal dimension of the communicated systems. In this paper, we measure the communication complexity of a task by the minimal distinguishability required to accomplish it,...

    Pełny tekst do pobrania w portalu

  • Considerations of Adaptive Digital Communications in Underwater Acoustic Channel

    Publikacja

    Down-link communication (DLC) and air transportable communication (ATAC) buoys as well as autonomous underwater vehicles (AUV) use acoustic links for gathering oceanographic data from underwater monitoring systems. The underwater channel propagation conditions are diverse in nature and require a special adaptive approach to the communication system design. The article presents a methodology for the communication systems design,...

    Pełny tekst do pobrania w portalu

  • The impact of brand communication on brand equity through Facebook

    Purpose The purpose of this study is to fill the gap in the discussion of the ways in which firm-created and user-generated social media brand communication impacts consumer-based brand equity metrics through Facebook. Design/methodology/approach We evaluated 302 data sets that were generated through a standardized online-survey to investigate the impact of firm-created and user-generated social media brand communication on brand...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Badania empiryczne związane z ewolucją języków - wybrane zagadnienia

    Although language evolution is an area in science yet to be developed, its foundations lay on empirical research. The aim of this article is to present three categories of ways to get empirical data on language evolution: observing language in laboratory, monitoring animal communication and analysing pidgins and creoles. The part of the paper about language in laboratory bases on English-language articles presenting the experiments...

  • Testing the Wide-Sense Stationarity of Bandpass Signals for Underwater Acoustic Communications

    Publikacja

    - Rok 2017

    The Underwater Acoustic Communication (UAC) systems work in communication channels characterized by a large variety of multipath propagation conditions that can additionally change over time. Designing a reliable communication system requires knowledge of the transmission parameters of the channel. There is a need for the development of adaptive signaling schemes that would dynamically optimize the signal parameters of the physical...

  • Implementation Of The Innovative Radiolocalization System VCS-MLAT (Voice Communication System Multilateration)

    In the article the concept of the radiolocalization subsystem of the VHF communication for aviation VCS-MLAT (Voice Communication System – Multilateration) is presented. The distributed localization system can estimate the position of the aircraft using the audio signals from aircraft transmitters in the VHF band (118-136 MHz). This paper shows initial verification of the possibility to use voice airband communication to estimate...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Quantum communication complexity advantage implies violation of a Bell inequality

    Publikacja

    - PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA - Rok 2016

    We obtain a general connection between a quantum advantage in communication complexity and non-locality. We show that given any protocol offering a (sufficiently large) quantum advantage in communication complexity, there exists a way of obtaining measurement statistics which violate some Bell inequality. Our main tool is port-based teleportation. If the gap between quantum and classical communication complexity can grow arbitrarily...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • A wireless network for off-shore marine research

    This paper presents functionality, the most important technology developments and potential use cases of digital communication system, developed to facilitate selected tasks commonly required during off-shore operations and marine research, including: broadband information sharing between platforms isolated from an on-shore communication infrastructure, acquisition of large data-sets from variety of off-shore...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Broadband communication solutions for maritime ITSs: Wider and faster deployment of new e-navigation services

    Publikacja

    n its initial part, the paper presents an overview of popular technologies and systems currently developed or employed in maritime communication. These solutions are used to provide both ship-to-ship and ship-to-shore communication for the purpose of supporting specific services, often dedicated to maritime safety and e-navigation. Utility of such communication systems have been thoroughly verified over the years and their strengths...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Information and Communication Technologies for Economic Development

    Publikacja

    - Rok 2017

    This chapter is intended to explain why and how information and communication technologies may affect the process of socio-economic development, especially with regard to economically backward economies. It sheds light on why technological changes constitute prerequisites enabling advancements along the socio-economic development pattern. It is also designed to exhibit the special relevance of information and communication technologies...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Inclusive Communication Model Supporting the Employment Cycle of Individuals with Autism Spectrum Disorders

    Difficulties with interpersonal communication experienced by individuals with autism spectrum disorders (ASD) significantly contribute to their underrepresentation in the workforce as well as problems experienced while in employment. Consistently, it is vital to understand how communication within the employment cycle of this group can be improved. This study aims to identify and analyze the possibilities of modifying the communication...

    Pełny tekst do pobrania w portalu

  • COLOUR IDIOMS IN BUSINESS LANGUAGE

    Publikacja

    - Journal of Teaching English for Specific and Academic Purposes - Rok 2024

    Globalisation and the growth of e-business and e-commerce have fuelled the need for English as the lingua franca for business communication worldwide. Business internationalisation means that language learners should be prepared to communicate with native speakers who often use rich idiomatic language in business communication. Nonnative speakers have a need to master business idioms not to be at any disadvantage in business communication....

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Testing OFDM Transmission Schemes for Shallow Water Acoustic Communications

    Publikacja

    Large variability of communication properties of underwater acoustic channels, and especially strongly varying instantaneous conditions in shallow waters, is a tough challenge for the designers of underwater acoustics communication (UAC system. There is a need for developing adaptive signaling schemes that would dynamically optimize signal parameters in both physical and link layers of communication protocols. The orthogonal frequency...

  • Real-Time connection Between Immerse 3D Vizualization Laboratory and Kaskada Platform

    Multimedia stream processing into two cooperative different systems (cluster platform and virtual lab) is considered. The considered selected information about the systems is presented and the idea of its communication when executing the distributed application is proposed. A general schema of the communication architecture is given. Tests of data transmission quality are considered and their results are presented.

    Pełny tekst do pobrania w portalu

  • Image as a key factor of brand value at social media

    Publikacja

    - Logistyka - Rok 2015

    The paper aims to investigate the relationship between social media presence and activities and brand value for the most valuable Global Brands 2012 (Interbrandt 2013). Social media communication is an innovative way of communication. Brand value is a key performance indicator of brand strategy for managers. Brand and category image realized to be the key factor of investigated relation.

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Probe signal processing for channel estimation in underwater acoustic communication system

    Publikacja

    Underwater acoustic communication channels are characterized by a large variety of propagation conditions. Designing a reliable communication system requires knowledge of the transmission parameters of the channel, namely multipath delay spread, Doppler spread, coherence time, and coherence bandwidth. However, the possibilities of its estimation in a realtime underwater communication system are limited, mainly due to the computational...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Communication and Documentation Practices in Agile Requirements Engineering: A Survey in Polish Software Industry

    Requirements engineering, system analysis and other analytical activities form the basis of every IT project. Such activities are not clearly defined in Agile development methods, but it does not mean that they are absent in an agile project. The aim of our work was to determine which practices related to requirements-related communication and which requirements documenting techniques are used in agile software projects. For this...

    Pełny tekst do pobrania w portalu

  • Origami Antennas for Wireless Communication Systems

    Publikacja

    - Rok 2024

    This book discusses the lightweight, reconfigurable, and deployable origami antennas for adaptive communication systems. Traditional antennas, with their fixed characteristics, struggle to meet the evolving needs of modern communication systems. Reconfigurable antennas, on the other hand, can dynamically adjust their operating parameters, offering significant advantages in terms of performance, size, and cost. Origami technology...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Reliable OFDM Data Transmission with Pilot Tones and Error-Correction Coding in Shallow Underwater Acoustic Channel

    Publikacja

    The performance of Underwater Acoustic Communication (UAC) systems are strongly related to the specific propagation conditions of the underwater channel. Horizontal, shallow-water channels are characterised by extremely disadvantageous transmission properties, due to strong multipath propagation and refraction phenomena. The paper presents the results of communication tests performed during a shallow, inland-water experiment with...

    Pełny tekst do pobrania w portalu

  • A Survey of Vehicular Network Systems for Road Traffic Management

    Publikacja

    In this survey, we analyze the proposals of vehicular communication systems in the context of road traffic management. Starting with the definition of communications between vehicles (V2V), vehicles-to-infrastructure (V2I) and vehicles-to-everything (V2X), we first focus on the requirements and current standards for the Intelligent Transport Systems (ITS), including the maximum communication delay, the communication range and the...

    Pełny tekst do pobrania w portalu

  • NetBaltic System-Heterogenous Wireless Network for Maritime Communications

    In case of maritime communications, we observe a growing interest in deployment of multitask satellite-based solutions and development of new maritime-specific systems intended for improvements in safety of e-navigation. Analysis of different types of currently used maritime communication systems leads, however, to a conclusion that neither global and still very expensive satellite systems nor cheaper, but short-ranged transmission...

    Pełny tekst do pobrania w portalu

  • The effect of social media communication on consumer perceptions of brands

    Researchers and brand managers have limited understanding of the effects social media communication has on how consumers perceive brands. We investigated 504 Facebook users in order to observe the impact of firm-created and user-generated (UG) social media communication on brand equity (BE), brand attitude (BA) and purchase intention (PI) by using a standardized online survey throughout Poland. To test the conceptual model, we...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Design of OFDM-based radio communication systems for coast-to-sea and coast-to-air propagation environments

    Publikacja

    In the paper the study of radio communication system design process for systems based on OFDM transmission is considered. The signal propagation model for 1.4 GHz frequency band is discussed, and the study of signal propagation characteristics, important from the point of view of OFDM system design, is presented. The methodology of OFDM interface design is proposed and some characteristics of the OFDM-based radio communication...

    Pełny tekst do pobrania w portalu

  • Efficient bounds on quantum-communication rates via their reduced variants

    Publikacja

    - PHYSICAL REVIEW A - Rok 2010

    We investigate one-way communication scenarios where Bob operating on his component can transfer some subsystem to the environment. We define reduced versions of quantum-communication rates and, further, prove upper bounds on a one-way quantum secret key, distillable entanglement, and quantum-channel capacity by means of their reduced versions. It is shown that in some cases they drastically improve their estimation.

    Pełny tekst do pobrania w portalu

  • Validation of a virtual test environment for C2X communication under radio jamming conditions

    Publikacja

    - Rok 2019

    In this paper, we propose a novel car-2-x communication security testing methodology in the physical layer of wireless systems. The approach is dedicated to automated testing of autonomous vehicles and it is essential for such complex systems operation, especially with regard to safety and security issues. It is based on scenario-driven testing in virtual and real test environments created from collected or simulated data. The...

    Pełny tekst do pobrania w portalu

  • Open standards-based communication system for distributed intelligent surveillance solution

    The paper presents an open standards-based communication system being a part of a distributed surveillance solution. The paradigm of “intelligent” surveillance approach is introduced, and employed video processing is discussed briefly. Requirements analysis toward the design of communication subsystem architecture is presented. Special attention is paid to the multimedia streaming functionality of presented solution, which is based...

  • Underwater Acoustic Communications in Time-Varying Dispersive Channels

    Publikacja

    Underwater acoustic communication (UAC) system designers tend to transmit as much information as possible, per unit of time, at as low as possible error rate. However, the bit rate achieved in UAC systems is much lower than for wire or radio-communication systems. This is due to disadvantageous properties of the UAC channels, namely the sea and inland waters. Estimation of UAC channel transmission properties is possible within...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Employees With Autism Spectrum Disorders in the Digitized Work Environment: Perspectives for the Future

    The aim of this article is to examine the opportunities for employees with autism spectrum disorders (ASDs), arising from digital technology (DT) development. The author discusses assistive technology (AT) as a mean of creating a better work environment, making the digitized workplace more friendly for people with ASD. A possible solution of communication problems is replacing the interpersonal communication between employees with...

    Pełny tekst do pobrania w portalu

  • Application of Doubly Connected Dominating Sets to Safe Rectangular Smart Grids

    Publikacja

    - ENERGIES - Rok 2022

    Smart grids, together with the Internet of Things, are considered to be the future of the electric energy world. This is possible through a two-way communication between nodes of the grids and computer processing. It is necessary that the communication is easy and safe, and the distance between a point of demand and supply is short, to reduce the electricity loss. All these requirements should be met at the lowest possible cost....

    Pełny tekst do pobrania w portalu

  • Measuring the effectiveness of digital communication - social media performance: an example of the role played by AI-assisted tools at a university

    Publikacja

    The aim of the article is to show the role played by AI-powered tools in measuring the effectiveness of digital communication in social media using a university case study. Therefore, a research problem was formulated to identify the metrics (KPIs) used to measure the effectiveness – non-financial outcomes – of digital social media communication at the university using AI tools. The literature review on the role of AI in digital...

    Pełny tekst do pobrania w portalu