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INDONESIA
Indonesian Journal of Electrical Engineering and Computer Science
Published by Institute of Advanced Engineering and Science
ISSN : 25024752     EISSN : 25024760     DOI : -
Core Subject :
Arjuna Subject : -
Articles 9,199 Documents
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GRPW-MuS: Geographic Routing to Multiple Sinks in Connected Wireless Sensor Networks Yassine Sabri
Indonesian Journal of Electrical Engineering and Computer Science Vol 4, No 3: December 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v4.i3.pp487-498

Abstract

Multiple sinks routing is envisioned as a possible solution to the bottleneck research problem in Wireless Sensor Networ ks (WSN). In addition to focusing on minimizing the energy consumption in a WSN, it is also equally impor tant to design routing protocols that fair ly and evenly distr ibute the networ k traffic; in order to prolong the networ k life time and improve its scalability.In this paper we present an enhancement to the GRPW algor ithm for wireless sensor networ ks. Perfor mance of GRPW algor ithm algor ithm depends heavily on single sink position , we propose a protocol called GRPW-MuS ( Geographic Routing to Multiple Sinks in connected wireless sensor networ ks) based on Multiple Static Sinks, we modified the existing sink location pr ivacy protection scheme by dividing nodes in the networ k containing multiple sink into different levels in which real packets are forwarded to sink belong to corresponding logical levels and the inter mediate node generating fake packets and sending it to fake sinks. Using OMNET++ simulation and the MiXiM framewor k, it is shown that proposed protocol significantly improves the robustness and adapts to rapid topological changes with multiple mobile sinks, while efficiently reducing the communication overhead and the energy consumption.
A Compact Inverted Y Slot Rectangular Microstrip Patch Antenna for Bluetooth Applications Ramesh Kumar Verma; D K Srivastava
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 2: August 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v11.i2.pp413-418

Abstract

In this paper a compact and slotted rectangular microstrip antenna is designed at 3.00GHz frequency and it is loaded by inverted Y slot so that the bandwidth of microstrip antenna is improved upto 36.30%. The area of radiating patch for 3.00GHz frequency is 711.36mm2.The proposed antenna design has frequency band in the frequency range 2.097GHz to 3.030GHz. The proposed antenna is resonating at 2.45GHz and area of radiating patch at this frequency is 1077.97mm2. Hence the size of antenna is reduced by 34% corresponding to resonance frequency 2.45GHz. This frequency band is suitable for Bluetooth and other wireless communication applications. The proposed slotted microstrip antenna is directly feed by 50Ω microstrip line feed. The proposed antenna is simulated by IE3D simulation software based on method of moments.
End-to-end performance of DF multihop hybrid RF/FSO system using MPPM coding and MIMO technique under dependent GG turbulence channels Hechmi Saidi; Noureddine Hamdi
Indonesian Journal of Electrical Engineering and Computer Science Vol 19, No 2: August 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v19.i2.pp811-818

Abstract

The paper presents a BER analysis for hybrid radio frequency/multihop free space optics, known as RF/FSO, communication system benefiting from multiple input multiple output (MIMO) configuration but impaired by gamma-gamma, known as GG, turbulence. Authors deploy Multiple Pulse Position Modulation, known as M-PPM, like a signaling technique. Furthermore, the exact as well as approximated amounts of symbol-error rates, known as SERs, are both judged in this work. A closed form formula related to the whole probability density function, called PDF, for our designed system is derived. Such interesting approach provides to us better quality of service by combating atmospheric turbulence.
Adaptive Wallis Filter via Sparse Recognition for Automatic Control Points Extraction Leilei Geng; Deshen Xia; Quansen Sun; Kai Yuan
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 4: April 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

With the rapid development of the remote sensing satellite, the size and the resolution of satellite images grow increasingly. The evaluation of remote sensing image quality requires precise information of control points extracted from unevaluated images and reference images. Therefore, we propose an adaptive Wallis filter method based on sparse recognition to increase the number of control points and improve the matching precision. Firstly, feature vectors of images are constructed by computing the image radiation-parameters. Secondly, the classification of sub-region terrain in the image can be determined using sparse recognition. Finally, according to specific type of sub-region terrain, we enhance the regions by the Wallis filter based on corresponding filter parameters and extract control points which would lead to the automatic evaluation for geometric precision. The experiments show that the proposed method can get better results especially in the detail on the images of Resourse-3 satellite, hence can increase the number and improve accuracy of control points. DOI : http://dx.doi.org/10.11591/telkomnika.v12i4.4781
Design of remotely operated vehicle as installer tools of tidal turbine and seismograph under water Muhammad Sulthan Mazaya
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v15.i1.pp183-189

Abstract

Tidal turbines and seismographs constitute instruments that can be used as an earthquake detector that lead to tsunamis. As an early detection instrument for tsunami disaster, tidal turbine and seismograph are generally placed under the surface of the water. The design objective in this study is designing a Remotely Operated Vehicle (ROV) which can be used as a tool for tidal turbine and seismograph installation. The design method applied in this study is designing a prototype by following the product research and development procedures. Making control systems has three stages, namely: software design, hardware manufacture, and software and hardware integration. The made software includes the ROV motion control program through the control of Arduino Nano R2 ATMega microcontroller with programming that uses C-Basic language. The design findings show that the designed ROV can be used effectively to simulate the installation of tidal turbine and seismograph under the surface of the water in 2 meters at depth with 15 minutes of installation time in undulating water.
Energy Efficient Clustering for Wireless Sensor Networks using EASSR Y. Chalapathi Rao; Ch. Santhi Rani
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v15.i3.pp554-568

Abstract

Wireless Sensor Networks (WSNs) consist of a large quantity of small and low cost sensor nodes powered by small non rechargeable batteries and furnish with various sensing devices. The cluster-based technique is one of the good perspectives to reduce energy consumption in WSNs. The lifetime of WSNs is maximized by using the uniform cluster location and balancing the network loading between the clusters. We have reviewed various energy efficient schemes apply in WSNs of which we concerted on clustering approach. So, in this paper we have discussed about few existing energy efficient clustering techniques and proposed an Energy Aware Sleep Scheduling Routing (EASSR) scheme for WSN in which some nodes are usually put to sleep to conserve energy, and this helps to prolong the network lifetime. EASSR selects a node as a cluster head if its residual energy is more than system average energy and have low energy consumption rate in existing round. The efforts of this scheme are, increase of network stability period, and minimize loss of sensed data. Performance analysis and compared statistic results show that EASSR has significant improvement over existing methods in terms of energy consumption, network lifetime and data units gathered at BS.
Simulation models for MIMO wireless channels Hua Li; Jing Bai; Shujian Liao; Juanping Wu
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 1: January 2013
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

In recent years, with the excellence performance in the system spectrum efficiency, MIMO technology has become the concerned topic in the mobile communication technology development process. In order to make better use of MIMO technology, the characteristics of MIMO channel had to be studied, and it is inevitable to accurately model and simulate MIMO wireless channels in different conditions. Wireless communication environment is very complex, so it is difficult to modeling of MIMO channel. In this paper, carrier wave frequency, the maximum Doppler frequency shift, AOA (Angle of Arrival) distribution, power azimuth spectrum and adjacent antenna spacing were token into account integrating. Expressions of the spatial correlation coefficient for different power azimuth spectrum (PAS) distributions were studied. A MIMO channel model was brought forward which has spatial selectivity, frequency selectivity, and time correlation. Simulation shows this related channel capacity is consistent with theoretical channel capacity. Thereby the rationality of this modeling was validated. This model provides powerful implement for simulation of MIMO capability, analysis of system capacity and evaluation of performance. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1883
Study on Control Strategies for the Multilevel Cascaded Converters Lin Xu; Yang Han
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 11: November 2013
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The multilevel cascaded converters are extensively applied for high-voltage and high-power applications, which are considered as the most favorable topologies for the high power ac-drives and the high-voltage DC transmission (HVDC) systems using the voltage source converters (VSCs). This paper presents the dc capacitor balancing and effective current regulation methodologies for the multilevel cascaded converters. The dc-link voltage balancing and capacitor energy evolving mechanism of the MMCC is analyzed, and an effective control scheme is devised by utilizing two dc capacitor voltage control loops, including the total capacitor voltage controller (TCVC), the capacitor voltage balancing controller (CVBC). The predictive current controller is proposed to enhance the tracking accuracy of current control loop. The proportional-resonant controller (PRC) is used as circulating current damping controller of the modular multilevel converter, which is found to be highly effective to minimize the circulating current. The Electromagnetic Transient Program (EMTP) is utilized for digital simulation of the single-phase five-level modular multilevel converter. The effectiveness of the control scheme is validated by the simulation results. DOI: http://dx.doi.org/10.11591/telkomnika.v11i11.2994
Optimization of video quality via fuzzy logic base adaptive media playout Farij Ehtiba; Badlishah Ahmad; Mostafijur Rahman
Indonesian Journal of Electrical Engineering and Computer Science Vol 13, No 2: February 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v13.i2.pp527-533

Abstract

This paper addresses the issue of interruption of Virable Bit Rate (VBR) video streaming over IP network, due to channel quality fluctuation. Specifically, a Fuzzy Logic (FL) Control principle is fused with Adaptive Media Playout (AMP) control to estimate an appropriate playout frame rate, namely FLAMP. Based on the estimation of the playout frame rate, the FLAMP algorithm adjusts the consumption rate smoothly to avoid video stream degradation. Simulation results validate that the FLAMP scheme efficiently reduces the buffer outage probability and provides better visual quality where FLAMP gives 26.5% less ferquence of playout interruption, and 21.6% less variance of distortion of playout as compared to APTA.
An Advancement in Paper Receipts the Electronic Receipt Administration Framework Vimal Kumar Stephen. K; V. Mathivanan
Indonesian Journal of Electrical Engineering and Computer Science Vol 8, No 3: December 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v8.i3.pp631-632

Abstract

The issue our group locations is best conveyed in the accompanying inquiry: Given the quantity of dealers, shoppers, and money related organizations in the U.S., how might we assemble a recordkeeping framework that enhances the ease of use, availability, and supportability of customer exchange records. A current review demonstrates that 80% of the U.S. populace gets one to three receipts a day, 11% of which promptly escape With America's retailers creating roughly 228.7 million pounds of receipt paper every year, this means 22.87 million pounds of paper that in a flash move toward becoming refuse . Promote, the present framework does not make receipts promptly open to traders and shoppers when they require them. In this venture, our group means to enhance the administration of shopper exchange records while diminishing the quantity of receipts imprinted in the United States. An answer for this issue will likewise furnish buyers with a more advantageous approach to screen their ways of managing money.The framework is made out of four sections: an electronic UI, a deride money enroll, a receipt administration database, and a XML convention that conveys between the money enlist and the receipt database. On the off chance that executed on a national scale, this electronic receipt administration framework would permit clients (dealers, shoppers, and monetary organizations) access to all receipt information in one area and in one steady configuration, in this way wiping out the requirement for paper receipts.

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