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1364 articles for “top-down”
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Fast All Sum Algorithms on mesh of trees and Multi-Mesh of Trees architecture
Abstract: The Network encapsulates the properties of Mesh of Trees and Multi-Mesh Network, forming a Multi Mesh of Trees network architecture and, hence yielding a lot of topological benefits. Several parallel algorithms have been successfully mapped on this architecture to solve various problems. In this paper, we propose an algorithm which may play a very important role in computations ranging from finding a sum to a high degree of calculations required …
Published in Current Trends in Information Technology · Vol. 10, Issue 2, 2020 · pp. 6–11 Read article
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Study of Self Organizing Wireless Sensor Networks
Abstract: Recent advances in low-cost and low-power wireless communication coupled with progress in ad-hoc networking routing and protocols, have made “wireless sensor networks” a topic of active interest. Typically, hardware components in a wireless sensor network include sensor circuits, analog-todigital converters, microprocessors, and wireless communications transceivers. These hardware components need to be programmed using software tools to work cooperatively toward accomplishing a user-defined task. The main objectives of such a network …
Published in Current Trends in Information Technology · Vol. 11, Issue 3, 2021 · pp. 12–16 Read article
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Algorithmic Trading Using Artificial Intelligence and Machine Learning Algorithms
Abstract: Algorithmic trading conducts trades quickly and effectively using algorithms that follow a trend and predetermined set of instructions. In addition, algorithmic trading reduces the influence of human emotions on trading, leading to increased market liquidity and more precise and accurate trading. Automated trading for day-to-day trading, depending on varied market situations, the bot will automatically trade user strategies in addition to its own algorithms, providing the best trade turnover, reducing …
Published in Current Trends in Information Technology · Vol. 13, Issue 2, 2023 · pp. 23–28 Read article
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Optimizing Hive Performance on Analyzing Log Data with Hadoop
Abstract: Web servers automatically created or maintained the log files to observe the user behaviour. So, we can get the valuable information through analyzing these server log files. Log files collect a variety of data about information requests to your web server. Server logs act as a visitor sign-in sheet. Server log files can give information about what pages get the most and the least traffic? What sites refer visitors to …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 3, 2018 · pp. 45–52 Read article
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Performance Investigation of OLSR and AODV Routing Protocols for 3 D FANET Environment using NS3
Abstract: Flying Ad Hoc Network is the most suitable and most emerging research topic in the field of wireless communication. Flying ad-hoc network (FANET) is a special class of MANET that provides the communication among small flying drone called UAVs (unmanned aerial vehicle) enable with camera, sensor and communication system. FANET has wide area of applications like reconnaissance and surveillance for military and civil purposes. FANETs along with its special features …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 2, 2018 · pp. 1–10 Read article
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Clustering based Model to Provide Defense against DDoS attacks in MANETs
Abstract: AbstractSecurity of MANETs is the part of extensive issue of research in past years. MANET is liable to DDoS attacks because of its no fixed infrastructure, changing topology, open medium, cooperative and trust-based algorithms and absence of a well-defined line of defense. DDoS attack is a synchronized attack created by attackers to overflow the target network with big quantity of information in the form of packets such that the resources …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 1, 2019 · pp. 7–13 Read article
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A Multi-Hop Power Adaptive MAC Protocol using Fuzzy Logic for Wireless Networks
Abstract: AbstractPower-based connectivity is a recent research topic in ad hoc networks. Implementing power control mechanisms is essential to enhance the lifetime of the network, and also to improve the throughput, find cost-effective routes and spatial reuse. In this paper, MAC protocol is used for implementing coordination functions and power-control mechanisms using fuzzy rules. Fuzzy rules are generated by upper layers of the network layer using two input variables such as …
Published in Journal of Communication Engineering & Systems · Vol. 3, Issue 3, 2013 · pp. 1–9 Read article
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Performance Analysis of Wireless Propagation Model to Improve Signal Strength and BER for Wireless Mobile Network
Abstract: AbstractWhenever we setup a network, environment properties such as fading, scattering etc. plays a very important role in choosing spectrum and method of propagation. The spectrum deals with frequency range suitable for communication in a particular environment, and the propagation method deal with channel selection, channel sensing and to perform quality communication throughout the network. To achieve quality output from the network, it is necessary to define network under different …
Published in Journal of Communication Engineering & Systems · Vol. 5, Issue 2, 2015 · pp. 1–7 Read article
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Terrorist Network Mining
Abstract: AbstractTerrorist activities worldwide has moved toward the advancement of different high-finished strategies for dissecting psychological militant gatherings and disrupting government systems. Existing examination found that social network analysis (SNA) is a standout amongst the best and persistent technique for countering fear mongering in interpersonal organizations. In this paper our approach is divided in two phases, in Phase 1, we apply shuffled frog leap algorithm (SFLA) for SNA in order to …
Published in Journal of Communication Engineering & Systems · Vol. 7, Issue 2, 2017 · pp. 42–52 Read article
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A quad band PIFA for 4G / 5G wireless communication applications
Abstract: AbstractA compact PIFA for wireless RF (Radio Frequency) devices is presented. The proposed antenna covers GPS L1, GSM 1800, GSM 1900, UMTS 2100, LTE 1700/2100 MHz, LTE 2300, Bluetooth/Wi-Fi/IEEE 802.11 b/g/n, RFID, IEEE 802.16e mobile WiMAX, UNII and C-band frequency bands useful for both 4G and 5G wireless communication applications. The simulation results for return loss, VSWR, two-dimensional radiation patterns and current distribution are demonstrated. The parametric analysis of feed …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 2, 2019 · pp. 7–15 Read article
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A Survey on Audio Steganography and Audio Cryptography
Abstract: AbstractReliably secure mechanisms are required to protect most untold and blueprint of defense information against vulnerabilities like ID spoofing and unauthorized access to the top most system of a country because of secured access to the Internet and data resources has a high impact in the defense system. For this purpose techniques related to Cryptography and digital Watermarking have been mostly used. For embedding information into objects such as images, …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 2, 2019 · pp. 64–68 Read article
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Design Simulation and Assessment of Low PAPR FBMC System for Energy Efficient 5G Applications
Abstract: As of late, filter bank multi-transporter (FBMC) has seemed incredible enthusiasm as an option in contrast to orthogonal frequencies Division Multiplexing (OFDM). FBMC plan has extended Frequency capability and low out of band (OOB) outpourings Compared to OFDM. In any case, FBMC still experiences high positions Peak-to-average power proportion (PAPR) in OFDM frameworks. Some OFDM-based PAPR decrease innovation has been received FBMC framework. In this paper, new advancements for PAPR …
Published in Journal of Communication Engineering & Systems · Vol. 11, Issue 1, 2021 · pp. 15–21 Read article
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Personality and Behavior Identification Based on Handwriting Analysis
Abstract: Graphing is the process of identifying, evaluating, and understanding a person's personality traits through handwritten patterns. The accuracy of handwriting analysis depends on the skill of the analyst, it is expensive and prone to errors. The proposed approach is therefore focused on building a system that can predict personality traits with the help of machine learning without human intervention. In this project, 657 authors' handwritten samples were taken as datasets. …
Published in Journal of Communication Engineering & Systems · Vol. 12, Issue 1, 2022 · pp. 42–54 Read article
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Strategies to Avoid Illegal Data Access
Abstract: For companies of all sizes, data security is a top priority. The chance of unauthorized data access increases as technology develops. To prevent unwanted access to their data, businesses must be proactive. This study examines technology solutions, personnel training, and policy enforcement as methods to prevent unauthorized data access. Data may be protected from illegal access using technological solutions like firewalls, intrusion detection systems, and encryption. Intrusion detection systems notify …
Published in Journal of Communication Engineering & Systems · Vol. 12, Issue 3, 2022 · pp. 29–40 Read article
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Partial View-Based Object Recognition using Leave-one-out Approach with Classification and Regression Trees
Abstract: Object recognition from image is an intriguing task in computer vision. It is simple for human being but complex for machine because of complex background, lightening, different viewing angle, size etc. So, a typically automatic and robust system is required to recognize object. In this paper, a content-based object recognition system using only one view of the object: top view, front view, back view, side view, and also using combination …
Published in Journal of Computer Technology & Applications · Vol. 9, Issue 3, 2018 · pp. 9–16 Read article
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Quality Function Deployment and Software Engineering – A Literature Review
Abstract: ABSTRACTQuality function deployment (QFD) is a customer driven product development process. Over the years QFD has found wide acceptance. QFD started off with the manufacturing but gradually got accepted and applied in several distinct areas. Presently, the use of QFD has spread to services and software development. Software engineering (SE) is a systematic and widely used approach for software product development. Recent studies suggest that QFD can be better applied …
Published in Journal of Computer Technology & Applications · Vol. 3, Issue 1, 2012 · pp. 49–57 Read article
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Windows Registry in Forensic Analysis: A Literature Review
Abstract: AbstractDigital forensics is the buzzword in the present era of “the Information Age.” It deals with the acquisition, preservation, and analysis of digital evidences. The digital forensic field is very vast. It includes operating system forensics, network forensics, web forensics, client side forensics and server side forensics, etc. A pool of operating systems is available but the Windows environment is ubiquitous in many organizations. Windows operating systems store vast data …
Published in Journal of Computer Technology & Applications · Vol. 4, Issue 2, 2013 · pp. 30–34 Read article
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Alternate Web Query Generation and Refined Search Results Using Query Expansion
Abstract: AbstractThe sole objective of an information retrieval (IR) task is to facilitate the user’s requests and filter the information which the user has actually intended. Therefore, the principle task of an IR system is to understand the user’s inability and act on behalf of the user’s point of view because most of the web users are novice, unaware of the topic pertaining in the selected domains etc. There has been …
Published in Journal of Computer Technology & Applications · Vol. 6, Issue 1, 2015 · pp. 1–8 Read article
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A Novel Approach for Detection and Prevention of Malicious Nodes in Mobile Ad Hoc Network
Abstract: AbstractIn current years, the mobile ad hoc network (MANET) plays an essential part in networking research environment for sharing information from one to others. It works in the distributed situation and changes the topology very frequently because of its dynamic nature. In our work, we proposed the secure path by calculating the trust of each node in the network. Trust computation is one of the most significant tasks for communication, …
Published in Journal of Computer Technology & Applications · Vol. 8, Issue 2, 2017 · pp. 7–12 Read article
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Detection of Intrusion for Achieving Security in Mobile Ad Hoc Network
Abstract: AbstractMobile means moving, and ad hoc means temporary, with no fastened infrastructure; therefore mobile ad hoc networks area unit a sort of temporary network within which nodes area unit moving with none fastened infrastructure or centralized administration. Deployed in 1990s, mobile ad hoc networks are wide researched for several years. Ad hoc network could be an assortment of nodes that is connected through a wireless medium forming a pace dynamical …
Published in Journal of Computer Technology & Applications · Vol. 8, Issue 2, 2017 · pp. 21–25 Read article