All articles
125 articles
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2D Interpolation technique for Channel Estimation in OFDM Systems
Abstract: The use of interpolation technique with low estimation error is imperative for estimating the channel impulse response at data subcarriers for pilot assisted channel estimation techniques in the Orthogonal Frequency Division Multiplexing (OFDM) systems. In this paper, a novel interpolation technique based on 2 d interpolation is presented. The proposed interpolation technique is based on minimizing the interpolation error and channel noise inherent in Least Square (LS) estimation. A comparative …
Published in International Journal of Digital Communication and Analog Signals · Vol. 3, Issue 1, 2017 · pp. 27–34 Read article
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GESTURE Controlled Robot using ARDUINO PRO MINI , MATLAB , IP Webcam
Abstract: This system is designed to for the handicapped person to control things in industries so they can get a similar platform i.e. even better than normal person. The gesture control robot observes the gesture of the user and perform a task as per given instruction in Arduino board. A camera on robot captures the gesture and send it to the laptop where MATLAB image processing takes place and afterwards the …
Published in International Journal of Digital Communication and Analog Signals · Vol. 3, Issue 1, 2017 · pp. 7–19 Read article
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STEGANALYSIS OF LSB INSERTION METHOD IN UNCOMMPRESSED IMAGES USING MATLAB
Abstract: In this paper we have explained steganalytic tool to detect presence of the hidden message in LSB steganography. It is the process of hiding secret information in cover image. Here we have used the LSB insertion method using discrete algorithms. Steganographic programs use Least Significant Bit (LSB) embedding as method of choice for message hiding 24-bit, 8-bit color images and grayscale images. It is commonly understood that changes to LSB …
Published in International Journal of Digital Communication and Analog Signals · Vol. 3, Issue 1, 2017 · pp. 1–6 Read article
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A BRIEF INTRODUCTION TO HOLOGRAPHIC MEMORY
Abstract: Since the leap of civilization from stone age to now that being the industrial and pro digital age mankind has made leaps and bounds of progress in various domains of science and technology. Light has been the backbone for various devices enabling data reading and storage for more than two and a half decades. It all started with the introduction of C.D which could store about 700 MB of data …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 2, 2016 · pp. 22–25 Read article
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RESEARCH AND IMPLEMENTATION OF QAM SIGNAL USING TEXAS INSTRUMENTS (TMS320C6713)
Abstract: During the last two decades the growth of digital communication and modulation techniques are widely considered in real time application in order to transfer reliable information with high data rate. Since digital modulation is resistible to noise people show interest in adopting it. Though there is various modulation techniques QAM is one of the most commonly used modulation. The QAM has higher efficiency power which results its application in mobile …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 2, 2016 · pp. 26–32 Read article
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Particle Swarm Optimization to enhance Low Resolution Images
Abstract: In digital image processing enhancement of low resolution images is always a priority field. Construction of high resolution image from low resolution images by using discrete wavelet transform (DWT) to decompose the input low resolution image into several sub band images. The resolution of surveillance video frames can be improved by interpolation between pixels to generate a moderate enhancement. A hybrid novel method is used to enhance low resolution images …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 2, 2016 · pp. 17–21 Read article
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Review – An approach to steganography technique
Abstract: Steganography is the technique that provides the base for secure communication. It is the art of hiding information in some other means of false medium for making a possible secure communication. The information to be hidden can be of any form such as text, image and video etc. and so the cover medium. Unlike cryptography, in steganography after the data is successfully hidden it is not even visible to the …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 2, 2016 · pp. 10–16 Read article
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A Review Paper on OFDM: Basic Concept & Application
Abstract: The main objective of this paper, is to review the work already done associated with channel estimation technique in Orthogonal Frequency-Division Multiplexing (OFDM) effectively mitigates the problem of inter symbol interference (ISI) caused by the delay unfold of wireless channels. Therefore, it has been utilized in many wireless systems and adopted by numerous standards. Throughout this paper, we have presented a comprehensive survey on OFDM for wireless communications and their …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 2, 2016 · pp. 1–9 Read article
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Android Marshmallow: An Upgraded Way to Explore Smartphone
Abstract: Whenever a user wants to explore anything, an operating system provides him with the results based on the things he needs to manage in a smartphone. So, there are various operating systems which can manage and gives the user a platform to run all the software’s and per the hardware requirements needed. Android marshmallow is one such OS. It is an upgraded way to manage your smartphones in a bit …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 1, 2016 · pp. 46–49 Read article
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Synchronized and Asynchronized Comparative Analysis Channel-Hopping-Based Communication Rendezvous In Cognitive Radio Networks
Abstract: Rendezvous is an essential operation for a cognitive users to establish communication links in cognitive radio networks (CRNs). To ensure the rendezvous in limited time, every single existing rendezvous algorithms create CH (channel-hoping) successions utilizing the entire channel set and endeavor meet on each of the channels (i.e., both accessible channels and unavailable channels). We will present ETCH, productive channel-hopping-based communication rendezvous protocols for CR systems. ETCH protocols incorporate SYNC-ETCH …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 1, 2016 · pp. 21–26 Read article
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Unified Communication
Abstract: Unified communication will be very helpful in daily life for different puposes. It may be used in different ways for communication. It can be excellent technical service for business. It will be necessary to prepare an organization for success. Keywords: augmentation, deployment, interoperability, real time communication, transactional applications
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 1, 2016 · pp. 27–30 Read article
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Impact Analysis of Big Data Prediction and Big Data Analysis in Distributed Environment
Abstract: This paper primarily focuses on “Data Prediction and Data Analysis in Distributed Environment”. Initially introduction regarding Data Prediction, Data Analysis and Distributed Environment has been discussed. Afterwards, we have accumulated case studies which prove the necessity of the concerned topic. Later, in this paper various parameters are marked down which prove to be great assets. The concern of growing data and the importance of its prediction and analysis motivated this …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 1, 2016 · pp. 40–45 Read article
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A Technical Review on Comparison of Speech Enhancement Algorithms
Abstract: The use of mobile speech communication devices has increased by manifold. Mobile communication technology is providing us the mobility and exhibility to communicate irrespective of place and time. The result is that the mobile voice communication systems are often used in high acoustic background noise environment. In such circumstances speech communication suffers from lack of pleasantness and/ intelligibility. To make voice communication intelligible and pleasant in such noisy environments, we …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 1, 2016 · pp. 31–39 Read article
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DC Voltage Regulation of UPFC Using Artificial Neural Network Controller
Abstract: A feed forward Artificial Neural Network (ANN) with back propagation control is proposed to remove the peak over shoot of the DC capacitor voltage used in Unified Power Flow Controller (UPFC). Proposed ANN controller is tested for the UPFC with wind energy conversion system connected to grid using MATLAB/SIMULINK and the results are compared with the PI controller. From the results, it is clear that ANN controller helps to regulate …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 1, 2016 · pp. 13–20 Read article
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A Novel Energy-Efficient Min–Max Optimization (NEMO) With RSA Security in Wireless Sensor Networks
Abstract: A novel energy-efficient min–max optimization (NEMO) is proposed to improve the data delivery performance and provide security in WSN. The NEMO scheme is applied in the virtual grid environment to periodically collect the data from source node to the mobile sink through the cell headers. Here the movement of sink is in controlled fashion and collects the data from the border line cell headers. For efficient data delivery fruit fly …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 1, 2016 · pp. 1–12 Read article
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A Review on Fourth Generation Technology
Abstract: The always expanding development of client demand, the generation of wireless mobile communication systems and the rise of new mobile broadband innovations available have conveyed analysts and commercial enterprises to an exhaustive reflection on the fourth generation (4G). A practical meaning of 4G got from another client driven procedure that considers the client as the “foundation” of the outline. Along these lines, the principal client situations that certainly uncover the …
Published in International Journal of Digital Communication and Analog Signals · Vol. 1, Issue 2, 2015 · pp. 35–39 Read article
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Risk Assessment of Flood for Various Spatial and Temporal Mining Scales Using Flood Vulnerability Index [FVI] – A Case Study of Madhubani Kosi River Flood Affected District in North Bihar, India
Abstract: Several countries experience fatalities, injuries, property damage, economic and social disruption resulting from natural disasters. The natural hazards kill thousands of people and destroy billions of dollars’ worth habitat and property each year. The rapid growth of the world’s population has escalated both the frequency and severity of the natural disasters. Flood disaster has a special place in natural hazards. Floods are the costliest types of natural hazards in the …
Published in International Journal of Digital Communication and Analog Signals · Vol. 1, Issue 2, 2015 · pp. 20–29 Read article
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Spectral Analysis of Heart Rate Variability Signals using Stockwell-Transform
Abstract: This paper introduces the use of Stockwell transform (ST) for spectral analysis of heart rate variability (HRV) signals in time-frequency domain. The ST is depicted numerically and compared with well-liked method of wavelet transform known as continuous Morlet wavelet transform (CMWT). The results of this study show that the normalized mean power and total normalized power in VLF (0.004–0.04 Hz), LF (0.04–0.15 Hz) and HF (0.15–0.4 Hz) were improved compared …
Published in International Journal of Digital Communication and Analog Signals · Vol. 1, Issue 2, 2015 · pp. 9–19 Read article
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Sanskrit E–Learning
Abstract: Sanskrit e-learning is a development we are scheduling to implement. We are trying to tune our training program with latest academic trends in India and rest of the word. In this article we are discussing issues involved in traditional learning, present classroom learning and e-learning. The objective is to show Sanskrit in e-learning environment. As customary preparing of Sanskrit have two sections. One section is similar to classroom showing and …
Published in International Journal of Digital Communication and Analog Signals · Vol. 1, Issue 2, 2015 · pp. 30–34 Read article
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A LITERATURE REVIEW OF INTELLIGENCE INTRUSION DETECTION PREVENTION TECHNIQUES FOR UNKNOWN MALWARE FINDING
Abstract: Intrusion detection system (IDS) has played a vital role as a device to guard our networks from unknown malware attacks. However, since it still suffers from detecting an unknown attack, the ultimate challenge in intrusion detection field is how we can precisely identify such an attack. For identifying known malware various tools are available but that does not detect Unknown malware exactly. It will vary according to connectivity and using …
Published in International Journal of Digital Communication and Analog Signals · Vol. 1, Issue 2, 2015 · pp. 1–8 Read article