Search Results - "Sadowski, Jarosław"

Software-Defined NB-IoT Uplink Framework-The Design, Implementation and Use Cases by Olejniczak, Alicja, Błaszkiewicz, Olga, Cwalina, Krzysztof K, Rajchowski, Piotr, Sadowski, Jarosław

“…In the radiocommunication area, we may observe a rapid growth of new technology, such as 5G. Moreover, all the newly introduced radio interfaces, e.g.,…”
Get full text

Practical Approach to IP Scheduled Throughput Measurements in Dual Connectivity Systems by Zięba, Arkadiusz, Kollar, Martin, Tatarczyk, Krzysztof, Sadowski, Jarosław

“…IP scheduled throughput defined according to 3GPP TS 36.314 reflects user throughput regardless of traffic characteristics, and therefore has become one of the…”
Get full text

Velocity Measurement using the Fdoa Method in Ground-Based Radio Navigation System by Sadowski, Jaroslaw

“…Velocity is one of the main navigation parameters of moving objects. However some systems of position estimation using radio wave measurements cannot provide…”
Get full text

Hyperbolic Asynchronous Method of a Radio Navigation Technique by J. Katulski, Ryszard, Sadowski, Jarosław, Stefański, Jacek, Siwicki, Wojciech

“…Humans have always wanted to determine positions in an unknown environment. At the beginning, methods were simple. They were based on the observation of…”
Get full text

AEGIS – Mobile Device for Generating Electromagnetic Curtain for Special Applications and Countering the Threats of RCIED by Rajchowski, Piotr, Cwalina, Krzysztof K., Magiera, Jarosław, Olejniczak, Alicja, Kosz, Paweł T., Czapiewska, Agnieszka, Burczyk, Robert, Kowalewski, Krzysztof, Sadowski, Jarosław, Ambroziak, Sławomir J.

“…In the article, the concept, design and realization of the technological demonstrator of a mobile device for generating an electromagnetic curtain (with a name…”
Get full text

Analysis of Accuracy of Modified Gradient Method in Indoor Radiolocalisation System by Czapiewska, Agnieszka, Sadowski, Jaroslaw

“…In this paper a new method, called modified gradient method, has been proposed for position calculation on the basis of distance measurement in indoor…”
Get full text

A Selection of Starting Points for Iterative Position Estimation Algorithms Using Feedforward Neural Networks by Sadowski, Jaroslaw, Stefanski, Jacek

“…This article proposes the use of a feedforward neural network (FNN) to select the starting point for the first iteration in well-known iterative location…”
Get full text

Asynchronous Method of Simultaneous Object Position and Orientation Estimation with Two Transmitters by Stefanski, Jacek, Sadowski, Jaroslaw

“…This paper proposes an object location method for all types of applications, including the Internet of Things. The proposed method enables estimations of the…”
Get full text

Position and Orientation Estimation in Radio Network With Groups of Locally Synchronized Nodes by Sadowski, Jaroslaw, Stefanski, Jacek

“…This article presents a positioning system with groups of locally synchronized nodes. A mobile object is equipped with a group of several synchronized…”
Get full text

Position Estimation in Corridors Along the Coupled Mode of Radiating Cables by Blaszkiewicz, Olga, Sadowski, Jaroslaw, Stefanski, Jacek

“…Radiating cables are mostly used to provide radio communication in tunnels or corridors, but they can also be used to estimate the position of a mobile…”
Get full text

Deep Learning-Based LOS and NLOS Identification in Wireless Body Area Networks by Cwalina, Krzysztof K., Rajchowski, Piotr, Blaszkiewicz, Olga, Olejniczak, Alicja, Sadowski, Jaroslaw

“…In this article, the usage of deep learning (DL) in ultra-wideband (UWB) Wireless Body Area Networks (WBANs) is presented. The developed approach, using…”
Get full text

TDOA versus ATDOA for wide area multilateration system by Stefanski, Jacek, Sadowski, Jaroslaw

“…This paper outlines a new method of a location service (LCS) in the asynchronous wireless networks (AWNs) where the nodes (base stations) operate…”
Get full text

Voice Multilateration System by Burczyk, Robert, Cwalina, Krzysztof, Gajewska, Malgorzata, Magiera, Jaroslaw, Rajchowski, Piotr, Sadowski, Jaroslaw, Stefanski, Jacek

“…This paper presents an innovative method of locating airplanes, which uses only voice communication between an air traffic controller and the pilot of an…”
Get full text

Measurement of Coherence Bandwidth in UHF Radio Channels for Narrowband Networks by Sadowski, Jaroslaw

“…This paper presents results of investigation on the coherence bandwidth of narrowband radio channels in 430 MHz band. The coherence bandwidth values were…”
Get full text

Sensor Position Estimation Method for IoT Using Mobile Reference Node by Stefanski, Jacek, Sadowski, Jaroslaw

“…The paper proposes an innovative method of locating objects for the Internet of Things (IoT). The proposed method allows the position of a fixed measuring…”
Get full text

Person Tracking in Ultra-Wide Band Hybrid Localization System Using Reduced Number of Reference Nodes by Rajchowski, Piotr, Stefanski, Jacek, Sadowski, Jaroslaw, Cwalina, Krzysztof K

“…In this article a novel method of positional data integration in an indoor hybrid localization system combining inertial navigation with radio distance…”
Get full text

LOS and NLOS identification in real indoor environment using deep learning approach by Olejniczak, Alicja, Blaszkiewicz, Olga, Cwalina, Krzysztof K., Rajchowski, Piotr, Sadowski, Jaroslaw

“…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…”
Get full text

Self-organizing wireless monitoring system for cargo containers by Katulski, Ryszard, Sadowski, Jarosław, Stefański, Jacek, Ambroziak, Sławomir, Miszewska, Bożena

“…This paper presents a description of new global monitoring system for containers with its layer-modular structure, as a solution for enhance security and…”
Get full text

Hybrid System for a Person Tracking in Harsh Indoor Environments by Rajchowski, Piotr, Cwalina, Krzysztof K., Sadowski, Jaroslaw, Stefanski, Jacek

“…In the article, the prototype of a system for a person tracking in a harsh indoor environment, especially when no other commercially available…”
Get full text

Stefański and Jarosław Sadowski Propagation Path Loss Modeling in Container Terminal Environment by Ryszard J. Katulski, Jacek Stefański, Jarosław Sadowski

“…This paper describes novel method of path loss modeling for radio communication channels in container port area. Multi-variate empirical model is presented,…”
Get full text