Wyniki wyszukiwania dla: COMMUNICATION APPLICATIONS - MOST Wiedzy

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Wyniki wyszukiwania dla: COMMUNICATION APPLICATIONS

Wyniki wyszukiwania dla: COMMUNICATION APPLICATIONS

  • Design and Characterization of a Planar Structure Wideband Millimeter-Wave Antenna with Wide Beamwidth for Wearable off-body Communication Applications

    This letter presents the design of a planar single-layer wideband antenna featuring wide beamwidth has well as high and stable in-band gain. The proposed antenna is a planar monopole fed by a bottom-grounded coplanar waveguide to realize wide beamwidth in both the xz- and yz-planes. Simultaneous optimization of all adjustable antenna parameters, carried out at the full-wave electromagnetic simulation level. The constructive interference...

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  • Design of radio communication systems for unmanned transport applications

    In the paper the principle of OFDMA-based radio communication systems design for unmanned transport applications is presented. The concept of system radio interface is analysed and its basic parameters proposal are considered. In the last part of the paper some air interface characteristics useful for optimization of throughput and system capacity are considered.

  • Machine-to-Machine communication and data processing approach in Future Internet applications

    Publikacja
    • D. Walczak
    • M. Wrzos
    • A. Radziuk
    • B. Lewandowski
    • C. Mazurek

    - Rok 2012

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  • Linux scheduler improvement for time demanding network applications, running on Communication Platform Systems

    Communication Platform Systems as ex. ATCA standard blades located in standardized chassis provides high level communication services between system peripherals. Each ATCA blade brings dedicated functionality to the system but can as well exist as separated host responsible for servicing set of task. According to platform philosophy these parts of system can be quite independent against another solutions provided by competitors....

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  • RECODIS: Resilient Communication Services Protecting End-user Applications from Disaster-based Failures

    Publikacja
    • J. Rak
    • D. Hutchison
    • E. Calle
    • T. Gomes
    • M. Gunkel
    • P. Smith
    • J. Tapolcai
    • S. Verbrugge
    • L. Wosinska

    - Rok 2016

    Disaster-based failures can seriously disrupt any communication network, making its services unavailable. Such disruptions may be caused by natural disasters, technology-related failures, or malicious attacks, and they are observably increasing in number, intensity and scale. When network services that are a part of critical infrastructure become unavailable, commercial and/or societal problems are inevitable. The issue of limiting...

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  • Optoelectronic Devices, Sensors, Communication and Multimedia, Photonics Applications and Web Engineering, Wilga, May 2012

    Publikacja

    - Rok 2012

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  • International Conference on Communication Systems and Applications

    Konferencje

  • ACM Conference on Applications, Technologies, Architectures, and Protocols for Computer Communication

    Konferencje

  • Maritime Communication and Sea Safety of the Future - Machnine-type 5G Communication Concept

    The article presents the concept of a system based on 5G network and M2M communication increasing maritime safety. Generally, the focus was on presenting a proposal for a hierarchical, hybrid, cooperative system with M2M communication coordinated with BAN networks. The possi-ble applications of M2M communication at sea were also presented.

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  • Multichannel Human Body Communication

    Publikacja

    Human Body Communication is an attractive alternative for traditional wireless communication (Bluetooth, ZigBee) in case of Body Sensor Networks. Low power, high data rates and data security makes it ideal solution for medical applications. In this paper, signal attenuation for different frequencies, using FR4 electrodes, has been investigated. Performance of single and multichannel transmission with frequency modulation of analog...

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  • Review of Diameter protocol implementations for realization of communication in NGN networks

    In the paper Diameter protocol as well as its applications in the context of Next Generation Network (NGN) are described. Diameter message content and Attribute-Value Pairs (AVPs) concept are presented. Critical review of open source Diameter implementations is carried out. The performed analysis takes into consideration programming language, availability, support and documentation aspects. Basing on the review project fulfilling...

  • Using Fast Frequency Hopping Technique to Improve Reliability of Underwater Communication System

    Publikacja

    Acoustic underwater communication systems designed to work reliably in shallow coastal waters must overcome major limitations such as multipath propagation and the Doppler effect. These restrictions are the reason for the complexity of receivers being built, whose task is to decode a symbol on the basis of the received signal. Additional complications are caused by the low propagation speed of the acoustic wave in the water and...

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  • EVALUATION OF THE USE OF M2M-TYPE NB-IoT AND LTE TECHNOLOGIES FOR MARITIME COMMUNICATION SYSTEMS

    The development of IoT (the Internet of Things) wireless transmission opens a new era in communication systems. In the next years, the development and implementation of IoT systems will be very dynamic. It can be seen that the solutions of LTE – NB-IoT (Long Term Evolution – Narrowband IoT) transmission devices are implemented in a wide range of terrestrial solutions, e.g. smart grids. This paper aims to analyse the possibility...

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  • Soft Real-Time Communication with WebSocket and WebRTC Protocols Performance Analysis for Web-based Control Loops

    Publikacja

    - Rok 2019

    The web browser has become an access window for content and services. The browser is available on almost any device connected to the network, regardless of its intended use: desktop, mobile device, computing server, e-book reader etc. Browsers are used by people to read news, contact the world, to check a bank account, register a visit at the doctor, watching video content, electronic purchases, using web versions of the office...

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  • Vehicular Communication Environments

    Publikacja
    • E. G. Ström
    • L. Ekiz
    • T. Abbas
    • R. He
    • S. J. Ambroziak
    • V. Shivaldova
    • J. Nuckelt

    - Rok 2016

    Communication to and between road vehicles (cars, truck, buses, trains, etc.) are of growing interest. This is partly due to the attractive services that cooperative intelligent transport systems (C-ITSs) provides, mainly in the areas of traffic safety and traffic efficiency. An enabler for C-ITS is wireless vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication, collectively referred to as vehicle-to-X (V2X)...

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  • Performance and Power-Aware Modeling of MPI Applications for Cluster Computing

    Publikacja

    - Rok 2016

    The paper presents modeling of performance and power consumption when running parallel applications on modern cluster-based systems. The model includes basic so-called blocks representing either computations or communication. The latter includes both point-to-point and collective communication. Real measurements were performed using MPI applications and routines run on three different clusters with both Infiniband and Gigabit Ethernet...

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  • 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...

  • An Innovative Antenna Array with High Inter Element Isolation for Sub-6 GHz 5G MIMO Communication Systems

    Publikacja

    - Scientific Reports - Rok 2022

    A novel technique is shown to improve the isolation between radiators in antenna arrays. The proposed technique suppresses the surface-wave propagation and reduces substrate loss thereby enhancing the overall performance of the array. This is achieved without affecting the antenna’s footprint. The proposed approach is demonstrated on a four-element array for 5G MIMO applications. Each radiating element in the array is constituted...

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  • Overview of cooperative communication methods

    The paper presents issues related to the cooperative communication in wireless networks. Cooperative com-munication involves the use of mobile terminals as relay stations to improve the transmission quality, improve network performance and reduce energy consumption. It is also possible to use several different data transmission standards. The paper presents the methods used to implement cooperative communication. The types of cooperative...

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  • Cross-cultural Communication

    Publikacja

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  • Cross-cultural Communication

    Publikacja

  • Piotr Rajchowski dr inż.

    Piotr Rajchowski (Member, IEEE) was born in Poland, in 1989. He received the E.Eng., M.Sc., and Ph.D. degrees in radio communication from the Gdańsk University of Technology (Gdańsk Tech), Poland, in 2012, 2013, and 2017, respectively. Since 2013, he has been working at the Department of Radiocommunication Systems and Networks, Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, as a IT...

  • Resilient Routing in Communication Networks

    Publikacja

    - Rok 2015

    This important text/reference addresses the latest issues in end-to-end resilient routing in communication networks. The work highlights the main causes of failures of network nodes and links, and presents an overview of resilient routing mechanisms, covering issues related to the Future Internet (FI), wireless mesh networks (WMNs), and vehicular ad-hoc networks (VANETs). For each of these network architectures, a selection of...

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  • The Diffusion of Information and Communication Technologies

    Publikacja

    - Rok 2018

    This book provides extensive evidence on information and communication technologies development patterns and dynamics of this process across developed economies over the period 1980 to the present day. It adopts newly developed methodology to identification of the ‘critical mass’ and isolation of technological takeoff intervals, which are intimately related to the process of technology diffusion. The statistically robust analysis...

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  • 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...

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  • 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...

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  • 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...

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  • 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...

  • Hardware accelerated thin client for virtual reality applications

    Thin client applications often make minimal use of hardware available at the client side. This article focuses on the problem of creating portable thin client application for virtual reality applications, which allows use of client graphics hardware to aid rendering process. Some already available potential solutions are presented and entirely new protocol for client-server communication is presented to allow fast and reliable...

  • Communication Networks in the Service of the Environmental Monitoring

    In the paper selected issues relating to communication networks in the services of the environmental monitoring (EM) have been described. It is divided into three main parts: introduction, wire and wireless networks. At the beginning of the basic definitions were explained. The wire part focuses on a plain old telephone service (POTS), an integrated services digital network (ISDN), a digital subscriber line (DSL) and a fiber-optic...

  • 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...

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  • IoT protocols, architectures, and applications

    Publikacja
    • C. Buratti
    • E. G. Ström
    • L. Feltrin
    • L. Clavier
    • G. Gardašević
    • T. Blazek
    • L. Berbakov
    • T. C. Balan
    • L. Orozco-Barbosa
    • C. Anton-Haro... i 2 innych

    - Rok 2021

    The proliferation of embedded systems, wireless technologies, and Internet protocols have enabled the IoT to bridge the gap between the virtual and physical world enabling the monitoring and control of the environment by data processing systems. IoT refers to the inter-networking of everyday objects that are equipped with sensing, computation, and communication capabilities. These networks can collaboratively interact and perform...

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  • Measurements of transmission properties of Acoustic Communication Channels

    Publikacja

    Tough transmission properties of shallow water acoustic channels (SWAC) highly limit the use of underwater acoustic communication (UAC) systems. An adaptive matching of modulation and signaling schemes to instantaneous channel conditions is needed for reliabledata communications. This creates, however, unique challenges for designers when compared to radio transmission systems. When communication system elements are in move, the...

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  • The development of an underwater telephone for digital communication purposes

    Publikacja

    - HYDROACOUSTICS - Rok 2016

    The underwater telephone HTL-10 has been designed to provide voice and data communication between helicopter and submarines using acoustic waves. It works in a half-duplex mode and uses analogue power-efficient modulation in the form of a single side-band, suppressed carrier, in a wide range of frequencies. It generates the transmitted signal, and processes the received signals. It is implemented with the use of digital signal...

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  • Communication Platform for Evaluation of Transmitted Speech Quality

    A voice communication system designed and implemented is described. The purpose of the presented platform was to enable a series of experiments related to the quality assessment of algorithms used in the coding and transmitting of speech. The system is equipped with tools for recording signals at each stage of processing, making it possible to subject them to subjective assessments by listening tests or, objective evaluation employing...

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  • Communication as a Factor Limiting University-Business Cooperation

    Objective - Despite the broad extent of the scientific activity dealing with university-business cooperation, Poland has yet to develop a satisfactory cooperation strategy that takes business needs into account. This issue is still relevant due to the need for continuous improvement and resulting benefits aimed at improving enterprise competitiveness. Methodology/Technique - Authors of this article attempt to select an overriding...

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  • IoT for healthcare applications

    Publikacja
    • K. Sayrafian
    • S. J. Ambroziak
    • D. Bajic
    • L. Berbakov
    • L. M. Correia
    • K. Cwalina
    • C. Garcia-pardo
    • G. Gardašević
    • K. Katzis
    • P. Kulakowski
    • K. Turbic

    - Rok 2021

    This chapter summarizes IRACON contributions related to the application of IoT in healthcare. It consists of the following three sections. Section 8.1 presents the measurement campaigns and the related statistical analysis to obtain various channel models for wearable and implantable devices. In addition, the importance of physical human-body phantoms used for channel, Specific Absorption Rate (SAR), and Electromagnetic (EM) exposure...

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  • Quantum channel capacities: multiparty communication

    Analizowane są różne aspekty wieloużytkownikowej komunikacji kwantowymi kanałami bez pamięci. Uogólnione zostały pewne znane rezultaty dotyczące komunikacji kwantowej w układzie jeden nadawca -jeden odbiorca. W szczególności pokazana została bezużyteczność komunikacji klasycznej ''w przód'' w procesie transmisji informacji kwantowej oraz równoważność definicji regionów pojemności opartych na różnych miarach wierności transmisji:...

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  • Fashion communication research: A way ahead

    Publikacja
    • L. Cantoni
    • F. Cominelli
    • N. Kalbaska
    • M. Ornati
    • T. Sádaba
    • P. SanMiguel

    - Studies in Communication Sciences - Rok 2020

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  • Subjective Quality Evaluation of Underground BPL-PLC Voice Communication System

    Publikacja

    - Rok 2020

    Designing a reliable voice transmission system is not a trivial task. Wired media, thanks to their resistance to mechanical damage, seem an ideal solution. The BPL-PLC (Broadband over Power Line – Power Line Communication) cable is resilient to electricity stoppage and partial damage of phase conductors. It maintains continuity of transmission in case of an emergency situation, including paramedic rescue operations. These features...

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  • The Use of Information and Communication Technologies in Cluster Organizations

    Publikacja

    - Rok 2019

    The purpose of the paper is to explore how cluster organizations (COs) take advantage of Information and Communication Technologies (ICT). The paper addresses the research question: “How do cluster organizations take advantage of ICT in fulfilling their main roles?”. The research was carried out in the first half of 2016 in four purposefully selected cluster organizations. The main research strategy involved Grounded Theory; the...

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  • Standard Compliance Framework for effective requirements communication

    Standard Compliance Framework (SCF) is a framework, which supports application of standards at the stages of achieving, assessing and maintaining the compliance. It uses Trust Case language to develop argument structures demonstrating compliance with standards. The paper presents how SCF is applied to increase effectiveness of requirements communication. Relevant mechanisms of the framework are thoroughly described referring to...

  • The Crisis of Marketing Communication in the Era of Social Media

    The articles examines the widely discussed in literature the problem of marketing communication crisis resulting from the changes of the environment. These changes generate both new problems and also new solutions, e.g. social media. The practicioners are pursuing both effective and efficient solutions, in relation to the difficulties encountered while achieving market objectives via traditional methods and channels. In accordance...

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  • Applying the Lombard Effect to Speech-in-Noise Communication

    Publikacja

    - Electronics - Rok 2023

    This study explored how the Lombard effect, a natural or artificial increase in speech loudness in noisy environments, can improve speech-in-noise communication. This study consisted of several experiments that measured the impact of different types of noise on synthesizing the Lombard effect. The main steps were as follows: first, a dataset of speech samples with and without the Lombard effect was collected in a controlled setting;...

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  • On symmetric extendibility of quantum states and its applications

    Publikacja

    - Rok 2017

    This dissertation is focused on analysis of the symmetric extendibility of quantum states and its applications in the quantum information theory, with special attention paid to the area of quantum entanglement distillation, quantum channels theory, quantum security, and monogamy of quantum entanglement in time. We analyze geometry of the set of symmetric extendible states, i.e. such states that possess symmetric extensions and...

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  • Evaluation of multimedia applications in a cluster oriented environment

    In the age of Information and Communication Technology (ICT), Web and the Internet have changed significantly the way applications are developed, deployed and used. One of recent trends is modern design of web-applications based on SOA. This process is based on the composition of existing web services into a single scenario from the point of view of a particular user or client. This allows IT companies to shorten product time-to-market....

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  • 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...

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  • 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...

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  • 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...

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  • Study on Speech Transmission under Varying QoS Parameters in a OFDM Communication System

    Publikacja

    - Rok 2021

    Although there has been an outbreak of multiple multimedia platforms worldwide, speech communication is still the most essential and important type of service. With the spoken word we can exchange ideas, provide descriptive information, as well as aid to another person. As the amount of available bandwidth continues to shrink, researchers focus on novel types of transmission, based most often on multi-valued modulations, multiple...

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