data transferring
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Webology ◽  
2021 ◽  
Vol 18 (2) ◽  
pp. 1379-1391
Author(s):  
Hayder A. Jawdhari ◽  
Alharith A. Abdullah

Blockchain is one of the technologies provided by the global distribution of computing power. Simply put, the blockchain is the digital ledger in which transactions are recorded. It all started with a desire to see a new form of security system for transferring confidential files. It aims to achieve many goals like decreasing the process time for transferring files to the other party, and reducing the overall expenses as the files are only transferred across the blockchain network with no need for the files to be uploaded and downloaded to the drive. More effective applications have the ability to share files via the technology of Blockchain. The great challenge is to build a private blockchain environment to send files and distribute them securely between parties, such as military institutions and others. In this paper, a private blockchain is built to overcome the side of the security through a secured file-sharing network. This private Blockchain can be utilized at various institutions. A high scale of security is obtained through using an important algorithm that takes into consideration a critical part of the field of cryptography to robustly encrypt the files. The latter ensures that no individual except for the receiver has the ability to access the files. As well, a sufficient speed was obtained when transferring the files, as compared to Ethereum with FTP. Finally, smart contracts have been designed to suit the transfer of files between nodes.


2021 ◽  
Vol 5 (2) ◽  
pp. 42-61
Author(s):  
Siti Widya ◽  
Selvi Nur Fitriah

This study aims to analyze: first, the practice of transferring funds between banks through the Flip application, second, the fiqh muamalah analysis of interbank transfer transactions through the Flip application. The research method used in this research is field research with a qualitative approach. The results of this study indicate that: First, the practice of transferring funds between banks through the Flip application has been properly implemented using a wakalah contract, the mechanism used for transferring funds is by filling in transfer request data, transferring a nominal amount that you want to send plus a unique code to the account. Flip bank is the same as the user's bank, the user does not object to the addition of a unique code, the user is willing to add a unique code because the nominal unique code is smaller than conventional administration fees. Second, the fiqh muamalah analysis related to the law of interbank fund transfer transactions is permissible because it has avoided usury, maisir, gharar, tadlis transactions and there are benefits to ease transfer transactions between different banks.


Author(s):  
Wei Jiang ◽  
Rui Xu ◽  
Sheng Ma ◽  
Qiong Wang ◽  
Xiang Hou ◽  
...  

2021 ◽  
Vol 11 (17) ◽  
pp. 7988
Author(s):  
Yury V. Kuznetsov ◽  
Andrey B. Baev ◽  
Maxim A. Konovalyuk ◽  
Anastasia A. Gorbunova

The theoretical and experimental evaluation of the cyclostationary random data transferring process corrupted by the individually and jointly cyclostationary crosstalk interference is presented. The interference and the message signals were measured by the real time digital oscilloscope. Autocorrelation functions were evaluated by synchronous cyclic averaging procedure. The analyzed periodic two-dimensional impulse response of the time-varying filter allows to obtain the output random process with the same cyclic frequency at the output of the filter by separation of orthogonal stationary waveforms constituting the input cyclostationary random process (CSRP). The filtering of the measured random process was implemented by the cyclic Wiener filter. The evaluation of the two-dimensional autocorrelation function and eye diagrams at the output of the cyclic Wiener filter showed significant reduction of the independent interference components in the estimated message signal.


Energies ◽  
2021 ◽  
Vol 14 (17) ◽  
pp. 5364
Author(s):  
Mohamed Elhoseny ◽  
Khalid Haseeb ◽  
Asghar Ali Shah ◽  
Irshad Ahmad ◽  
Zahoor Jan ◽  
...  

Internet of Things (IoT) performs a vital role in providing connectivity between computing devices, processes, and things. It significantly increases the communication facilities and giving up-to-date information to distributed networks. On the other hand, the techniques of artificial intelligence offer numerous and valuable services in emerging fields. An IoT-based healthcare solution facilitates patients, hospitals, and professionals to observe real-time and critical data. In the literature, most of the solution suffers from data intermission, high ethical standards, and trustworthiness communication. Moreover, network interruption with recurrent expose of sensitive and personal health data decreases the reliance on network systems. Therefore, this paper intends to propose an IoT solution for AI-enabled privacy-preserving with big data transferring using blockchain. Firstly, the proposed algorithm uses a graph-modeling to develop a scalable and reliable system for gathering and transmitting data. In addition, it extracts the subset of nodes using the artificial intelligence approach and achieves efficient services for the healthcare system. Secondly, symmetric-based digital certificates are utilized to offer authentic and confidential transmission with communication resources using blockchain. The proposed algorithm is explored with existing solutions through multiple simulations and proved improvement in terms of realistic parameters.


Author(s):  
Halil ARSLAN ◽  
◽  
Mustafa YALCIN ◽  
Yasin ŞAHAN

Thanks to the recent development in the technology number of IoT devices increased dramatically. Therefore,industries have been started to use IoT devices for their business processes. Many systems can be done automatically thanks to them. For this purpose, there is a server to process sensors data. Transferring these data to the server without any loss has crucial importance for the accuracy of IoT applications. Therefore, in this thesis a scalable broker for real time streaming data is proposed. Open source technologies, which are NoSql and in-memory databases, queueing, fulltext index search, virtualization and container management orchestration algorithms, are used to increase efficiency of the broker. Firstly, it is planned to be used for the biggest airport in Turkey to determine the staff location. Considering the experiment analysis, proposed system is good enough to transfer data produced by devices in that airport. In addition to this, the system can adapt to device increase, which means if number of devices increasing in time, number of nodes can be increased to capture more data.


2021 ◽  
Vol 21 (4) ◽  
pp. 1-21
Author(s):  
Farooq Hoseiny ◽  
Sadoon Azizi ◽  
Mohammad Shojafar ◽  
Rahim Tafazolli

Volunteer computing is an Internet-based distributed computing in which volunteers share their extra available resources to manage large-scale tasks. However, computing devices in a Volunteer Computing System (VCS) are highly dynamic and heterogeneous in terms of their processing power, monetary cost, and data transferring latency. To ensure both of the high Quality of Service (QoS) and low cost for different requests, all of the available computing resources must be used efficiently. Task scheduling is an NP-hard problem that is considered as one of the main critical challenges in a heterogeneous VCS. Due to this, in this article, we design two task scheduling algorithms for VCSs, named Min-CCV and Min-V . The main goal of the proposed algorithms is jointly minimizing the computation, communication, and delay violation cost for the Internet of Things (IoT) requests. Our extensive simulation results show that proposed algorithms are able to allocate tasks to volunteer fog/cloud resources more efficiently than the state-of-the-art. Specifically, our algorithms improve the deadline satisfaction task rates around 99.5% and decrease the total cost between 15 to 53% in comparison with the genetic-based algorithm.


Author(s):  
Harshal Pagar ◽  
Tazeen Attar ◽  
Moiza Attar ◽  
Prashant Sonawane

Today, e-learning is mostly used and is acquiring prominence. E-learning delivers a learning environment. Platform by using electronic media and data Communications Innovations. As alternative terms such as computer-based learning, online schooling or technology-enhanced learning, we will use E-learning as other alternative terms. The goal of creating an E-Learning Frontend Web Application is to provide anyone with an integrated online self-learning site. We make a comparison between JSON and XML, then use JSON as data-transferring format in an actual project. This paper suggest that JSON is more suitable as a data-loading tool for Ajax applications. The idea behind using AngularJS in web application is to make your web application modular and easy to maintain. AngularJS brings MVC (Model View Controller) capability to your application. After using modified and compressed files in your application, the size reduces to some KBs which will results in faster loading of page. Single-Page Applications are Web apps that load a single HTML page and dynamically update that page as the user interacts with the app. Building Single Page E-learning Application instead of Multi page E-learning application With Improve Navigation. Solving the migration problem from traditional websites to single-page applications using new technology.


Micromachines ◽  
2021 ◽  
Vol 12 (4) ◽  
pp. 411
Author(s):  
Adam R. H. Alhawari ◽  
Sama F. Majeed ◽  
Tale Saeidi ◽  
Sajid Mumtaz ◽  
Hisham Alghamdi ◽  
...  

The increasing needs of free licensed frequency bands like Industrial, Scientific, and Medical (ISM), Wireless Local Area Network (WLAN), and 5G for underwater communications required more bandwidth (BW) with higher data transferring rate. Microwaves produce a higher transferring rate of data, and their associated devices are smaller in comparison with sonar and ultrasonic. Thus, transceivers should have broad BW to cover more of a frequency band, especially from ultra-wideband (UWB) systems, which show potential outcomes. However, previous designs of similar work for underwater communications were very complicated, uneasy to fabricate, and large. Therefore, to overcome these shortcomings, a novel compact elliptical UWB antenna is designed to resonate from 1.3 to 7.2 GHz. It is invented from a polytetrafluoroethylene (PTFE) layer with a dielectric constant of 2.55 mm and a thickness of 0.8 mm. The proposed antenna shows higher gain and radiation efficiency and stability throughout the working band when compared to recent similarly reported designs, even at a smaller size. The characteristics of the functioning antenna are investigated through fluid mediums of fresh-water, seawater, distilled water, and Debye model water. Later, its channel capacity, bit rate error, and data rate are evaluated. The results demonstrated that the antenna offers compact, easier fabrication with better UWB characteristics for underwater 5G communications.


2021 ◽  
Author(s):  
Swati Bhattacharjee ◽  
Chandan Kumar Ghosh

Abstract This paper presents a novel decoupling technique between two closely spaced MIMO antennas whose edge to edge spacing is0.03λ (1.975mm).A microstrip resonator is used in between the antennas that act as a decoupled device. The MIMO plays an important role in the current communication system due to its enhanced data transferring rate. However, the closely spaced MIMO antennas have a major disadvantage of high mutual coupling (MC). MC affects the entire characteristics of MIMO antennas and as a result, the performance of the antenna degrades. To overcome this problem, we have introduced a microstrip resonator that acts as an electrical wall between the MIMO antennas. The antenna has been simulated by using an IE3D EM simulator and a suppression of 48dB MC is achieved at a resonant frequency of 4.85 GHz. The MIMO antennas have been fabricated and the results are compared with the simulated ones. This antenna can be used in wireless communication, WLAN and satellite communication.


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