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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 74 Documents
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Search results for , issue "Vol 11, No 3: March 2013" : 74 Documents clear
A Novel QoS Routing Algorithm in Wireless Mesh Networks Liu Hui
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

With the rapid development of information technology, people’s daily life becomes more and more dependent on wireless technologies. Wireless mesh network consists of a number of characteristics associated with the return path, with a strong fault tolerance, stability, widely used by the light to the city network construction, military applications, and key service providers and other fields. Compared with traditional wired communication technologies, how to provide qualified QoS routing service is a primary problem for wireless mesh networks waiting for effective solution. Regarding this problem, this paper applys the theory of Evolutionary Game to QoS routing algorithm for wireless mesh networks and proposed a novel algorithm called EGWRA which can not only improve the performance of traditional QoS routing protocols but also be able to reduce the cost of the routing algorithm. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2321
Application of Multi-Sensors Information Fusion for Self-protection System of Robot Qiuhong Gao
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

This paper developed a kind of robot self-protection system using the multi-sensors information fusion technology. This system used five groups of photoelectric sensor and ultrasonic sensor which were installed in different direction of the robot. In this study, signals were gathered by using the complement of ranging of photoelectric sensor and ultrasonic sensor. Then the signals were sent to MCU to achieve multi-sensors information fusion.Core fusion technology was the adaptive weighted fusion estimation algorithm, which can make measurement data more accurate. With such technology, an accurate robot self-protection command was made as to avoid obstacles, to judge narrow highland and to prevent dropping. The experiment results validated its good self-protection function. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2312
Information Extraction from Research Papers based on Conditional Random Field Model Zhu Shuxin; Xie Zhonghong; Chen Yuehong
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

With the increasing use of CiteSeer academic search engines, the accuracy of such systems has become more and more important. The paper adopts the improved particle swarm optimization algorithm for training conditional random field model and applies it into the research papers’ title and citation retrieval. The improved particl swarm optimization algorithm  brings the particle swarm aggregation to prevent particle swarm from being plunged into local convergence too early, and uses the linear inertia factor and learning factor to update particle rate. It can control algorithm in infinite iteration by the iteration between particle relative position change rate. The results of which using the standard research papers’ heads and references to evaluate the trained conditional random field model shows that compared with traditionally conditional random field model and Hidden Markov Model, the conditional random field model ,optimized and trained by improved particle swarm, has been better ameliorated in the aspect of F1 mean error and word error rate. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2188
Data Transmission System based on PCI bus & fiber-optical link Hu Yongbing; Zhou Yunfei; Wei Xingyun
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

To achieve real-time monitoring and control of a measurement and control system is often applied in industrial control, with the host computer. In accordance with the requirements of real-time data transmission, a hardware system with a FPGA as the main control unit for the logical interface, the PCI bus and the high-speed fiber-optic link as the data transmission channels communicating with the host computer and a measurement control system respectively is built; the debugging are completed for the HSSL IP core and the PCI interface module; the system test is fulfilled among the host computer, the data transmission board and the specific monitoring control board. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2212
Study of Real-Time Slope Stability Monitoring System Using Wireless Sensor Network(WSN) Dave Ta Teh Chang; Yuh-Show Tsai; Kai-Chun Yang
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

Traditional monitoring instruments have been found difficult to meet the requirement for real-time monitoring. This study applied Wireless Sensor Network (WSN) to slope stability monitoring, In recent years, the slopes in Taiwan have frequently caused disasters after heavy rains, and traand understand the process of slope instability from the characterization variation of new concepts. In the first stage, the Mems Sensors were selected and calibrated, and the accuracy was selected as 0.1 。and 0.5。. The self-made tilt calibration apparatus was used to calibrate the accuracy of 33 Mems Sensors respectively placed on the side slope. The stability and repeatability were validated multiple times. The field monitoring was carried out at the second stage. National Highway No. 3 3K+100 and TW PHW62 were selected at test locations, and 23 and 10 sensors were placed at these locations respectively. The data were collected in the in-situ industrial computer, and were transmitted via 3G wireless network card to the remote management unit as the basis of monitoring side slope. This study is now at the overall distribution stage, hoping to use the wireless sensor technology to develop an effective, real-time and energy-saving environmental monitoring system and management platform, so as to construct an intelligent WSN early warning and reporting system, which can be applied to the slope disaster prevention engineering. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2230
Efficient RFID Data Cleaning Method Li Xing; FU Wen-xiu
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

RFID (Radio Frequency Identification) technology transfers data between movable tagged objects and readers without line of sight, and the captured data tends to be noisy. The inherent unreliability makes the data unreliable to application. Nowadays, the main solution is to use sliding window, but it is difficult to decide the window size, especially when the tag moves frequently or with high false positive. To solve the mentioned problems, SWKF (Sliding Window based on Kalman Filter Pre-processing) is proposed. It preprocesses the RFID data to make the read rate close to the real one, detects and filters the mobile tags. Then, the preprocessed data is smoothed to further improve accuracy. At the same time, the mid-window slide point reduces the output. Through the combination of Kalman Filter and sliding window, SWKF provides accurate RFID data to application. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2154
Characteristics Analysis of HFM Signal over Underwater Acoustic Channels YUAN Fei; WANG Wen-Jun; CHENG En
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

For pulse compression characteristics and not easily affected by noise, linear frequency modulation signal are widely used in underwater acoustic communication. This paper analyzes the characteristics of hyperbolic frequency modulation signal over underwater acoustic channels. Compared with linear frequency modulation signal, hyperbolic frequency modulation has the same performance of strong anti-noise and anti-multipath, what’s more, hyperbolic frequency modulation signal is better resist the influence of doppler. And discussed the influence of doppler on signal, simulation results show that the hyperbolic frequency modulation signal detection rate is better than linear frequency modulation signal in the doppler environment.DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2183
Service-oriented Controllable Multicast Model for Next Generation Internet Ye Zhao; Hu Jinlong; Zhang Ling
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

With the development of the IPv6 networks, more and more applications put forward to use multicast. Multicast security and management is one of the key issues for IP multicast services deployment in IPv6 network as in IPv4 network. We introduce the idea of Service-Oriented Architecture (SOA) in software scope to multicast service, and design a Service-oriented Controllable Multicast Model (SOCMM) for IPv6 multicast services. And the reference implementation of this model is proposed in this paper. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2207
Kalman Filter Localization Algorithm Based on SDS-TWR Ranging Liu Wei; Zou Jian; Wang Chunzhi; Xu Hui
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

Node localization is the basic mechanism for wireless sensor networks. Which location data is indispensable information in the monitoring of events.In this paper,we proposed a new algortithm which is the Kalman filter localization algorithm based on SDS-TWR ranging method in order to solve the problem of node localization.Firstly,we use SDS-TWR algorithm to rang distance between the archor nodes  and unknown node .Then, We sketchy calculate the unknown node coordinates using weighted maximum likelihood estimation(WMLE) method.Lastly, We use the Kalman filter algorithm to optimize the coordinates of the second step. The experimental results show that the algorithm can effectively improve the positioning accuracy of the system and achieve the desired objectives. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2225
SOPC Based Multi-Channel Sliding Correlation Processing System Xin Liu; Dajun Sun; Tingting Teng
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

Real time multi-channel sliding correlation processing is widely applied in underwater communication system or underwater positioning system. The traditional implementation in FPGA always employs parallel method which reduces the design work, however wastes considerable FPGA resources. This paper described a new kind of SOPC structure which based on AVALON bus, taken NIOS CPU as system controller, DMA used for accurate data transmission between computing units. This kind of time-multiplexed processing structure improved controlling flexibility and saved FPGA resources. System stability was proved by lake experiments. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2307

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