Nothing Special   »   [go: up one dir, main page]

skip to main content
Reflects downloads up to 20 Dec 2024Bibliometrics
research-article
Hop-Count Quantization Ranging and Hybrid Cuckoo Search Optimized for DV-HOP in WSNs
Abstract

Localization technology occupies a very important position in wireless sensor network (WSN). Distance vector-hop (DV-HOP) algorithm is range-free localization algorithm and has advantages of low overhead and can handle the case where a normal node ...

research-article
Performance Enhancement of Underwater Acoustic OFDM Communication Systems
Abstract

The supported bandwidth of the underwater communication systems is limited to several kilo hertz, which considers as the main challenge for Underwater Acoustic (UWA) communications. Meanwhile, the Bit-Error-Rate (BER) performance of the UWA ...

research-article
A Novel Jaya-BAT Algorithm Based Power Consumption Minimization in Cognitive Radio Network
Abstract

The aim of this paper is to propose a new hybrid optimization technique, namely Jaya-BAT algorithm (JBA) and to demonstrate its application for constrained power consumption minimization in cognitive radio network considering Class B power ...

research-article
Performance Analysis of Four Dimensional Turbo Code (4D-TC) Using Moment Based Simplified Augmented State Diagram (MSASD) Approach: Extension to LTE System
Abstract

Thought provoking “Turbo Code” (TC) is found to be as one of the competent error control coding schemes not only for its amazing “Bit Error Rate” (BER) act but also for its proficiency in secured data transmission with least errors. However, “TC” ...

research-article
Noise Removal Using HWD Implemented by Dmeyer and Kaiser Window
Abstract

In the present era, transfer of digital images via communication channel is affected by noise. Received images need to be processed so that noise is eliminated, which requires information about the noise and the image. Noise is an unwanted signal ...

research-article
Malicious Cluster Head Detection Mechanism in Wireless Sensor Networks
Abstract

In wireless ad hoc network, all nodes participate for the transmission of data within the network and responsible for designing network topology. Suspicious and malicious activities can be detected by different techniques like IDS that is dynamic ...

research-article
An Efficient Algorithm Based on Combined Encoding Techniques for Compression of ECG Data from Multiple Leads
Abstract

ECG (Electrocardiogram) is a test that analyzes the electrical behaviour of the heart. ECG is used in diagnosing most of the cardiac diseases. Large amount of ECG data from multiple leads needs to be stored and transmitted, which requires ...

research-article
A Short-Ended Compact Metastructure Antenna with Interdigital Capacitor and U-shaped Strip
Abstract

A compact metastructure (MTS) antenna utilizing zeroth order resonance (ZOR) techniques has been reported in this paper. The proposed coplanar waveguide (CPW) based MTS antenna has made up of interdigital capacitor (IDC), split ring resonator (SRR)...

research-article
Time Domain Channel Estimation for MIMO-FBMC/OQAM Systems
Abstract

In this paper, a general preamble-based time domain channel estimation model for multiple-input multiple-output (MIMO)-filter bank multicarrier (FBMC) system based on offset quadrature amplitude modulation (OQAM) is derived. In contrast to the ...

research-article
A Mobile Cloud-Based Health Promotion System for Cardiovascular Diseases
Abstract

In this paper, we propose a mobile cloud-based health promotion system targeting clinical cardiovascular diseases for use with both the Windows and Android operating systems. The prototype system can provide health promotion recommendations by ...

research-article
Estimation of Doppler Curve for LEO Satellites
Abstract

Doppler frequency shift which is defined as “the observed changes in frequency of transmitted waves when relative motion exists between the source of waves and an observer”, has wide applications in science, technology and different industries ...

research-article
An Improved Cluster Head Selection in Routing for Solar Energy-Harvesting Multi-heterogeneous Wireless Sensor Networks
Abstract

Wireless sensor network (WSN) is an effective and efficient technology for field information collection in Internet of Things arena. Generally, the lifetime of any WSN is restricted due to the limited battery capacities available with its sensor ...

research-article
Effectiveness of SIP Server Under SIP Flooding Attack During VoIP Calls
Abstract

Voice over Internet Protocol (VoIP) service is increasingly one of the most widespread applications since few decades. Data traffic of VoIP service faces various challenges and threats. The Session Initiation Protocol (SIP) flooding attack is one ...

research-article
Classification of Sonar Targets Using an MLP Neural Network Trained by Dragonfly Algorithm
Abstract

Due to the compatibility of the designed classifiers with MLP Neural Networks (MLP NNs), in this article, MLP NNs have been used to identify and classify active and passive sonar targets. On the one hand, the great importance of precise and ...

research-article
Countermeasure with Primary User Emulation Attack in Cognitive Radio Networks
Abstract

One of the most challenging issues in Cognitive Radio Networks (CRN) is to detect Primary User Emulation Attack (PUEA). In the absence of Primary Users (PU), the attackers mimic PUs’ signal characteristics to fool legitimate Secondary Users (SU) ...

research-article
Structured Compressive Sensing Based Block-Sparse Channel Estimation for MIMO-OFDM Systems
Abstract

In this paper, a compressive sensing based method named Priori-Information Aided Modified-SAMP algorithm is proposed to solve the problem of channel estimation in MIMO-OFDM systems. Firstly, coarse channel state information (CSI) as a priori-...

research-article
Design of Novel SRAM Cell Using Hybrid VLSI Techniques for Low Leakage and High Speed in Embedded Memories
Abstract

Static or leakage power is the dominating component of total power dissipation in deep nanometer technologies below 90 nm, which has resulted in increase from 18% at 130 nm to 54% at 65 nm technology due to continued device and voltage scaling. ...

research-article
Nearby Carrier Detection Based on Low Cost RTL-SDR Front End
Abstract

Recent advances associated with wireless technology are presenting fast development for new wireless telecommunications generations. Development that creates a need for operators and individuals to use hybrid equipment combining the different ...

research-article
Retrieving Multiple Patient Information by Using the Virtual MIMO and Path Beacon in Wireless Body Area Network
Abstract

The wireless body area network (WBAN) is the developing technology which is used to monitor the patient’s activities. The main challenges in the WBAN are Qos, Energy consumption during the information transformation, Delay and security. Thus the ...

research-article
Power Control and Inter-node Interference Cancellation in Full-Duplex Networks with Residual Self-Interference
Abstract

We consider a three-node full-duplex (FD) network, where an FD capable base station serves double mobile nodes operating in half-duplex mode. The self-interference at the base station and the inter-node interference (INI) between the uplink and ...

research-article
A New System Model for Sensor Node Validation by Using OPNET
Abstract

WSN has been massively used in many fields as monitoring devices for several applications; these sensor-nodes can be expected to work hardly for few years without present any technical issues. The validation of sensor nodes is challenged task ...

research-article
Feed Point Optimization of Koch–Minkowski Hybrid Boundary antenna for ISM Band
Abstract

In this modern era, wireless communication is becoming an essential part of life of human beings. For effective wireless communication effective radiators are required. In this paper the type of radiator being discussed is a combination of two ...

research-article
Doppler Scaling Factor Estimation and Receiver Design for Underwater Acoustic Communication
Abstract

Due to very low propagation speed of acoustic waves, underwater communication via acoustic waves observe a significant Doppler scaling in the received signal. In addition, due to severe frequency selective fading in underwater acoustic channel, ...

research-article
Moore, Minkowski and Koch Curves Based Hybrid Fractal Antenna for Multiband Applications
Abstract

Today’s world, multiband antenna has immensely beneficial for fulfill the requirements of wireless communication. In this paper, Hybrid Fractal Antenna (HFA) is designed using three popular fractal curves koch, minkowski and moore. The generator ...

research-article
A Novel Detected Peak Samples Combining Technique for PAPR Minimization of MC-CDMA Signal
Abstract

A new signal scrambling technique is proposed to minimize the peak to average power ratio (PAPR) of multi carrier code division multiple access (MC-CDMA) signal using novel detected peak samples combining technique. This new approach minimizes ...

research-article
PSO Optimized Hidden Markov Model Performance Analysis for IEEE 802.16/WiMAX Standard
Abstract

The discrete channel hidden Markov models indicate the temporal statistical characteristics of the generated error sequences by fading channels with memory precisely. In this paper first the optimal order of the hidden Markov models is estimated ...

research-article
Practical Implementation of Femtolet Based Peer-to-Peer Network
Abstract

Energy and latency aware code offloading is a demanding research area for nowadays. In this paper, for the first time we have successfully implemented the prototype of femtolet for fifth generation mobile network. Mobile devices are registered ...

review-article
A Comprehensive Review of Wireless Sensor Networks Based Air Pollution Monitoring Systems
Abstract

Wireless Sensor Networks (WSN) consists of sensors used for sensing environmental conditions and many more applications in real world. Air pollution is a threat to the life of humans. To control the air pollution it is necessary to monitor the ...

research-article
Nature Inspired Optimization Algorithms Based Adaptation of Transmission Parameters in CR Based IoTs
Abstract

Cognitive radio (CR) is a promising technology to overcome the challenge of additional spectrum requirement posed by internet of things (IoT) supported applications. This paper brings out the comparative performance analysis of different ...

research-article
Reliable Routing Algorithm Based on Clustering and Mobile Sink in Wireless Sensor Networks
Abstract

Given the limited battery energy of the sensor networks, energy efficiency is regarded as one of the most crucial issues for WSNs. In WSNs with a fixed sink, since the nodes near the sink share multi-hop routes and data and integrated towards the ...

Comments

Please enable JavaScript to view thecomments powered by Disqus.