ALGORITHM OF SPATIAL POLARIZATION CODING FOR THE DATA TRANSMISSION SYSTEM OF THE COMBINED HF RADIO CENTER

2021 ◽  
Author(s):  
А.Ю. БАРАБОШИН ◽  
Д.В. ЛУЧИН
Keyword(s):  
Data Transmission ◽  
Data Transfer ◽  
Polarization Diversity ◽  
Spatial Coding ◽  
Data Transfer Rate ◽  
Simultaneous Formation ◽  
Main Research ◽  
Polarization Coding ◽  
Data Transmission System ◽  
Left And Right

Рассматриваются вопросы увеличения скорости передачи данных разнесенным радиоцентром декаметрового диапазона (с помощью поляризационного разнесения). Сделан обзор основных исследований и экспериментов, проводимых в этом направлении. Разработан алгоритм поляризационного пространственного кодирования и способ одновременного формирования волн с левой и правой круговыми поляризациями. Приведены результаты математического моделирования, показывающие работоспособность предложенного алгоритма. The article discusses the issues of increasing the data transfer rate by the spaced HF radio center using polarization diversity. A review of the main research and experiments carried out in this direction is made. An algorithm for polarization spatial coding and a method for the simultaneous formation of waves with left and right circular polarizations has been developed. The results of mathematical modeling showing the efficiency of the proposed algorithms are presented.

scholarly journals Data transfer in a decentralized network of robots using a local voting protocol

2021 ◽  
pp. 219-223
Author(s):  
Konstantin Amelin ◽  
Vladislav Ershov
Keyword(s):  
Data Transmission ◽  
Data Transfer ◽  
Effective Interaction ◽  
Transmission System ◽  
Physical Systems ◽  
Software Modules ◽  
Group Members ◽  
Data Transmission System ◽  
Intelligent Information ◽  
Entire Network

The construction of an effective intelligent information transmission system in a group of cyber-physical systems is one of the important problems in both practical and theoretical contexts. Such a system for transmitting information for a group is being built for a network consisting of separate robotic complexes. Increasingly, decentralized solutions are used to build effective interaction between group members. As a rule, in networks, decentralization is present in computing software modules, and the data transmission system between nodes is centralized. One of the aspects of such centralization is the need to send data to a specific destination directly or by relaying through other nodes - routing data in the network. In this work, a method of data transmission in a decentralized network between robotic complexes without reference to routing is proposed. The method consists of the exchange of data on the state of the entire network as a whole between the nodes.

LTE-A System Downlink HARQ System-Level Design and Simulation

2014 ◽  
Vol 513-517 ◽  
pp. 2518-2521
Author(s):  
Xiao Wen Li ◽  
Xiu Ling Yu
Keyword(s):  
Data Transmission ◽  
Software Implementation ◽  
System Level ◽  
Test Case ◽  
System Operation ◽  
Main Research ◽  
Transmission Mechanisms ◽  
Previous Design ◽  
Data Transmission System ◽  
Related Process

Hybrid automatic retransmission technology for reducing the error rate and the rate of data transmission system play an important role in the LTE-A system, so designing A good kind of HARQ transmission mechanisms and processes is necessary for system operation, which has guidance for network and terminal. In this paper the main research is the downlink HARQ. Based on the interface between the layers, the paper designs a flow chart for the HARQ, finally, makes a brief introduction of the SDL and TTCN tools and its work principles, based on the previous design and development of code, takes the process of data transmission for instance, by the C code embedded in the SDL, gets the software implementation, and by use of the TTCN tools, makes a conduction of test case, and then by the co-simulation of SDL and TTCN, gets the MSC diagram of the related process, and verify the correction of the previous designed by the analysis of the MSC.

scholarly journals Reliability Assessment of Date Transmission Systems / Szacowanie Niezawodności Systemu Przesyłu Danych

2014 ◽  
Vol 29 (1) ◽  
pp. 69-80
Author(s):  
Dariusz Laskowski
Keyword(s):  
Data Transmission ◽  
Communication System ◽  
System Reliability ◽  
Data Transfer ◽  
Reliability Assessment ◽  
Reliability Estimate ◽  
Human Communication ◽  
Selective Approach ◽  
Complex Process ◽  
Data Transmission System

Abstract The paper presents the reliability estimate of the data transmission system. In practical communication solutions this type of system is widely used. A data transfer between the sender and the receiver is a complex process taking into account the human, communication system and threats. Between these components there are many relationships and dependencies. Current methods use a selective approach to this issue. Therefore, it was decided to develop and present a comprehensive assessment of the system reliability. This method has been verified in representative conditions using commercial and open source tools

Data Acquisition and Wireless Data Transmission of Lightning Electromagnetic Field

2014 ◽  
Vol 548-549 ◽  
pp. 748-753
Author(s):  
Gai Hong Du ◽  
Yang Meng Tian
Keyword(s):  
Electromagnetic Field ◽  
Data Acquisition ◽  
Data Transmission ◽  
Data Transfer ◽  
Satellite Communications ◽  
Wireless Data ◽  
Paper Briefly ◽  
Data Transfer Rate ◽  
Wireless Data Transmission ◽  
Use Of The Internet

The paper briefly reviews the domestic and overseas lightning electromagnetic field data acquisition system, and the data transfer rate and data transfer approaches of lightning. Lightning data transfer approaches includes the conventional transmission systems of data collection, and three data transmission means which including the use of power system network to transmit data, the use of the Internet to transmit data and the use of satellite communications to expand the range of distribution.

scholarly journals Model of Functioning Data-Transfer Systems Special Purposes Taking into Account the Influence of Cyber Attack

2020 ◽  
Vol 9 (4) ◽  
pp. 2248-2252
Keyword(s):  
Data Transmission ◽  
Communication System ◽  
Data Transfer ◽  
Communication Channels ◽  
Cyber Attacks ◽  
Cyber Attack ◽  
Stieltjes Transform ◽  
Short Term ◽  
Total Cost ◽  
Data Transmission System

The article proposes an analytical model of the functioning of the data transmission system, taking into account the influence of short-term interruptions in messages and the recovery of information distorted by cyber-attacks. The model uses the Laplace-Stieltjes transform and the Lagrange multiplier method. This helps determine the performance of switching nodes, the throughput of communication channels and their total cost in a communication system.

ROUTE SELECTION METHOD FOR HIGH-DENSITY WIRELESS IOT NETWORK

2021 ◽  
Author(s):  
С.Н. БУШЕЛЕНКОВ ◽  
А.И. ПАРАМОНОВ
Keyword(s):  
Internet Of Things ◽  
Data Transmission ◽  
Transfer Rate ◽  
Data Transfer ◽  
Selection Method ◽  
High Density ◽  
Data Delivery ◽  
Route Selection ◽  
Wireless Internet ◽  
Data Transfer Rate

Приводятся результаты исследования зависимости скорости передачи данных (ПД) от параметров маршрута в беспроводной сети интернета вещей. Предложен метод выбора количества и позиций узлов для организации маршрута в сети. Метод учитывает влияние расстояния между узлами маршрута и их количества на задержку доставки данных и скорость ПД по маршруту. Метод позволяет получить выигрыш в достижимой скорости ПД по сравнению с методами выбора маршрута по критерию количества транзитных узлов. The article presents theresults ofthe studyof thedependence of the data transfer rate on the route parameters in wireless Internet of Things (loT) networks. A method for choosing the number and positions of nodes for organizing a route in the loT network is proposed. The method takes into account the influence of the distance between the nodes of the route and their number on the delay in data delivery and the speed of data transmission along the route. The method allows one to obtain a gain in the attainable data transfer rate in comparison with methods of choosing a route based on the criterion of the number of transit nodes.

Vibrational Data Communication Tools and Methods for Mining and Oil and Gas Extraction

SPE Journal ◽  
2022 ◽  
pp. 1-13
Author(s):  
Md Shahriar Islam ◽  
B. Berscheid ◽  
T. Wiens
Keyword(s):  
Data Transmission ◽  
Transfer Rate ◽  
Oil And Gas ◽  
Data Transfer ◽  
Data Transfer Rate ◽  
Communication Tools ◽  
High Data ◽  
Communication Device ◽  
Communication Scheme ◽  
The Right

Summary For the purpose of exploration and extraction, the drilling process in the mining and oil and gas industries is very complicated because of the obvious invisibility of the operation of the drill bit. Acoustic/vibrational telemetry has been of keen interest because it is so far the only method that allows a high data transfer rate as well as less data loss, over other methods. The method certainly depends on the use of the right communication tools and efficient communication schemes to achieve the highest data transfer rate. Although the acoustic method provides a very high data transmission rate, it also has its limitations. However, limitations can be overcome through certain approaches and the use of technologies. The proper use of a communication device with the steel pipe is the most important factor to consider so that the transducer works as the right actuator for the pipeline. The type of sensor that is used to pick up the data also plays a major role because signals are most likely to attenuate, and a sensitive sensor is necessary to collect these attenuated signals. This research demonstrates the use of a transducer as a communication device and oil and gas pipe as the medium of data transmission. The transducer can be used both as an actuator driver and as a receiver sensor. A new piezoelectric transducer was manufactured for this research, which was used with a test setup of a total 184 ft length of six oil and gas pipes. The test setup performed well and data were sent through this setup successfully. A communication scheme is developed using novel theories to achieve the highest data transfer rate. The scheme is tested with the transfer function data obtained from the experimental system. The communication scheme developed outputs a signal, which is a type of binary phase-shift keying signal data along with an equalizer filter. Then the signals developed from the scheme are used in the actual experimental setup to test the speed of the transmission and bit error rate (BER). For the six oil and gas pipes setup, the scheme provides a data transmission of 153 bits/sec (bps) with zero error percentage, which is high enough to use in any oil and gas industry.

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