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2004 IEEE Region 10 Conference TENCON 2004.最新文献

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An investigation on ADC testing using digital modelling 基于数字建模的模数转换器测试研究
2004 IEEE Region 10 Conference TENCON 2004. Pub Date : 2004-12-21 DOI: 10.1109/TENCON.2004.1414915
L.M. Hon, A. A'Ain
{"title":"An investigation on ADC testing using digital modelling","authors":"L.M. Hon, A. A'Ain","doi":"10.1109/TENCON.2004.1414915","DOIUrl":"https://doi.org/10.1109/TENCON.2004.1414915","url":null,"abstract":"This paper presents an analysis of test results of digital model approach on Analogue-to-digital converter (ADC). The approach is to inject primary input with arbitrary frequencies and periodical digital pulse. The output response is sampled and analysed in order to distinguish between GO or No-GO. Furthermore, the proposed technique is also coupled with power supply voltage control test technique to investigate the fault coverage margin. Histogram test, conventional industrial test technique, simulates concurrently were also employed as a comparison study.","PeriodicalId":434986,"journal":{"name":"2004 IEEE Region 10 Conference TENCON 2004.","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121112919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Adaptive contents delivery protocol for variable-speed multicast trees 变速组播树的自适应内容传递协议
2004 IEEE Region 10 Conference TENCON 2004. Pub Date : 2004-12-01 DOI: 10.1109/TENCON.2004.1414678
H. Tetsuhashi, T. Miyoshi, Y. Tanaka
{"title":"Adaptive contents delivery protocol for variable-speed multicast trees","authors":"H. Tetsuhashi, T. Miyoshi, Y. Tanaka","doi":"10.1109/TENCON.2004.1414678","DOIUrl":"https://doi.org/10.1109/TENCON.2004.1414678","url":null,"abstract":"Multicast communication is a remarkable technology that can substantially decrease network traffic and can save network resources and transmission costs. Yet exactly for this reason, users of a highly heterogenous network cannot use multicast. This problem in present multicast is solved by setting the transmission speed to the lowest among the available capacities of links in the multicast tree. Some side effects of this is the increase of data transmission time and therefore efficiency and real-time-based performance suffer. This paper proposes an adaptive content delivery system over multicast trees and discusses its implementation. Considering some limitations of real network, this paper proposes the use of link capacity measurement. Adaptiveness is based on the measurement and can trigger temporary storage of data in case the discrepancy is found among downstream links originating from the same node.","PeriodicalId":434986,"journal":{"name":"2004 IEEE Region 10 Conference TENCON 2004.","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122466722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The comparison of performance issues on HFC networks HFC网络上性能问题的比较
2004 IEEE Region 10 Conference TENCON 2004. Pub Date : 2004-12-01 DOI: 10.1109/TENCON.2004.1414524
Kun-Chen Chung, Kuo-Chih Chu, Wei-Tsong Lee, Pau-Choo Chung
{"title":"The comparison of performance issues on HFC networks","authors":"Kun-Chen Chung, Kuo-Chih Chu, Wei-Tsong Lee, Pau-Choo Chung","doi":"10.1109/TENCON.2004.1414524","DOIUrl":"https://doi.org/10.1109/TENCON.2004.1414524","url":null,"abstract":"Hybrid fiber coaxial (HFC) network is widely used in residential network. The transmission time in HFC network is affected by upstream bandwidth, downstream bandwidth and cable modem termination system (CMTS) scheduling delay time. In this paper, we first discuss the effects of these three items to the HFC network performance. To improve the network performance, we try to find the most suitable item be altered.","PeriodicalId":434986,"journal":{"name":"2004 IEEE Region 10 Conference TENCON 2004.","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123951382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multilingual open-content signal processing laboratories in Connexions Connexions中的多语言开放内容信号处理实验室
2004 IEEE Region 10 Conference TENCON 2004. Pub Date : 2004-12-01 DOI: 10.1109/TENCON.2004.1414506
P. Frantz, Richard Baraniuk, Hyeokho Choi, D.L. Jones
{"title":"Multilingual open-content signal processing laboratories in Connexions","authors":"P. Frantz, Richard Baraniuk, Hyeokho Choi, D.L. Jones","doi":"10.1109/TENCON.2004.1414506","DOIUrl":"https://doi.org/10.1109/TENCON.2004.1414506","url":null,"abstract":"Due to inherent factors like a small and fragmented market and rapid hardware obsolescence, the conventional textbook is inadequate for DSP laboratory education. Freely available open-content materials that enable and promote both local customization and further development by a community of educators offer a fresh approach to lab text development that can surmount these barriers. In this paper, we overview a joint effort under the aegis of the Connexions project to develop a large pool of DSP lab modules sufficient to serve as a complete, stand-alone text for several types of DSP lab courses. In addition, we introduce a pilot project whose aim is to demonstrate the suitability of using Connexions for languages other than English, such as the Japanese, Chinese and Thai languages.","PeriodicalId":434986,"journal":{"name":"2004 IEEE Region 10 Conference TENCON 2004.","volume":"365 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132913875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
RISC microcontroller built-in fuzzy logic controller for maximum power point tracking in solar-powered for battery charger RISC微控制器内置模糊逻辑控制器，用于太阳能电池充电器的最大功率点跟踪
2004 IEEE Region 10 Conference TENCON 2004. Pub Date : 2004-11-21 DOI: 10.1109/TENCON.2004.1415013
N. Khaehintung, K. Pramotung, P. Sirisuk
{"title":"RISC microcontroller built-in fuzzy logic controller for maximum power point tracking in solar-powered for battery charger","authors":"N. Khaehintung, K. Pramotung, P. Sirisuk","doi":"10.1109/TENCON.2004.1415013","DOIUrl":"https://doi.org/10.1109/TENCON.2004.1415013","url":null,"abstract":"This paper presents the development of maximum power point tracking (MPPT) using a fuzzy logic controller (FLC). By applying the synthetic fuzzy inference algorithm, the relationship between input and output of FLC can be effectively stored in a memory-limited lookup table (LUT). As a consequence, the controller can be efficiently implemented on a low-cost 16F872 RISC microcontroller. The proposed controller is integrated with a boost converter for realization of a high performance solar-powered battery charger (SPBC). Simulations with practical parameters show that our proposed MPPT using FLC implemented by LUT outperforms the conventional MPPT controller in terms of tracking speed. Moreover, preliminary experimental results are presented.","PeriodicalId":434986,"journal":{"name":"2004 IEEE Region 10 Conference TENCON 2004.","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115123199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
A game theoretic approach to call admission control in mobile multimedia communications 移动多媒体通信中呼叫接纳控制的博弈论方法
2004 IEEE Region 10 Conference TENCON 2004. Pub Date : 2004-11-21 DOI: 10.1109/TENCON.2004.1414732
J. Virapanicharoen, W. Benjapolakul
{"title":"A game theoretic approach to call admission control in mobile multimedia communications","authors":"J. Virapanicharoen, W. Benjapolakul","doi":"10.1109/TENCON.2004.1414732","DOIUrl":"https://doi.org/10.1109/TENCON.2004.1414732","url":null,"abstract":"The concept of fairness and efficiency is an important performance issue in the mobile networks with multimedia services. In this paper, a selection of guard bandwidth coefficients of the call admission control (CAC) scheme for the asymmetrical traffic case in mobile multimedia communications based on the framework of game theory is proposed. The proposed scheme provides fairness and efficiency in the aspect of quality of service (QoS) for the 2 classes of traffic, and also guarantees the priority of class 0 calls over class 1 calls. The efficiency is provided by the Pareto optimality requirement while fairness is achieved by satisfying the concept of equilibrium point and arbitration scheme. Moreover, the way to generate the Pareto boundary is demonstrated. The numerical results show that the Nash solution with the point (0,0) as the starting point can achieve higher total utility than that of the equilibrium point.","PeriodicalId":434986,"journal":{"name":"2004 IEEE Region 10 Conference TENCON 2004.","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115150068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Modelling of a thin film thermoelectric micro Peltier module 薄膜热电微珀耳帖模块的建模
2004 IEEE Region 10 Conference TENCON 2004. Pub Date : 2004-11-21 DOI: 10.1109/TENCON.2004.1414931
S. Kandasamy, K. Kalantar-zadeh, G. Rosengarten, W. Wlodarski
{"title":"Modelling of a thin film thermoelectric micro Peltier module","authors":"S. Kandasamy, K. Kalantar-zadeh, G. Rosengarten, W. Wlodarski","doi":"10.1109/TENCON.2004.1414931","DOIUrl":"https://doi.org/10.1109/TENCON.2004.1414931","url":null,"abstract":"A micro Peltier cooler/heater module has been modelled. The module consists of n-type bismuth telluride and p-type antimony telluride thermoelectric materials. The commercial software package CFD-ACE+ has been used to implement and analyse the model. A two-dimensional coupled electrical and thermal simulation was performed. This software includes the possibility to incorporate the Peltier effect. The temperature, electric field intensity and wall heat flux distributions were simulated for different applied potentials. The variation in temperature difference with respect to the Seebeck coefficient of the material was calculated and analysed.","PeriodicalId":434986,"journal":{"name":"2004 IEEE Region 10 Conference TENCON 2004.","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115381496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
An application of the forward-backward (FB) method for capacitance extraction problems of planar structures 正-倒向法在平面结构电容提取问题中的应用
2004 IEEE Region 10 Conference TENCON 2004. Pub Date : 2004-11-21 DOI: 10.1109/TENCON.2004.1414937
C. Sae-Heng, D. Torrungrueng
{"title":"An application of the forward-backward (FB) method for capacitance extraction problems of planar structures","authors":"C. Sae-Heng, D. Torrungrueng","doi":"10.1109/TENCON.2004.1414937","DOIUrl":"https://doi.org/10.1109/TENCON.2004.1414937","url":null,"abstract":"Capacitance extraction for three-dimensional (3-D) conductors located on planar structures has various applications, especially in the design and packaging of integrated circuits. One of the most commonly used methods for capacitance extraction problems is the method of moments (MM). In this study, the forward-backward (FB) method, which is an iterative MM, is applied for solving these problems effectively. It is found that the method is an O(N/sup 2/) algorithm per iteration, where N is the total number of unknowns. In addition, the FB method provides accurate results compared to those of the standard MM with less computational times for relatively large problems. Convergence characteristics of the FB method are also studied in this paper.","PeriodicalId":434986,"journal":{"name":"2004 IEEE Region 10 Conference TENCON 2004.","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115426851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
New morphological operators for color image processing 彩色图像处理的形态学算子
2004 IEEE Region 10 Conference TENCON 2004. Pub Date : 2004-11-21 DOI: 10.1109/TENCON.2004.1414452
Mei Yu, Rangding Wang, G. Jiang, Xiao Liu, T. Choi
{"title":"New morphological operators for color image processing","authors":"Mei Yu, Rangding Wang, G. Jiang, Xiao Liu, T. Choi","doi":"10.1109/TENCON.2004.1414452","DOIUrl":"https://doi.org/10.1109/TENCON.2004.1414452","url":null,"abstract":"Morphological image processing is well known as an efficient method in image processing and computer vision. With the wide use of color in many areas, the interest on the color perception and processing has been growing rapidly. In this paper, a new approach to color morphological transformation, as an extension of mathematical morphology from gray-scale image to color image, is proposed based on HSL (hue-saturation-lightness) color space. New basic color morphological operators are first defined, and new composite color morphological operators, including color morphological filters with multiple structuring elements, and color morphological multi-resolution analysis and synthesis, are constructed. Then their properties are discussed. Experimental results show that the proposed color morphological operators can be efficiently used in color image processing, encoding and feature extraction.","PeriodicalId":434986,"journal":{"name":"2004 IEEE Region 10 Conference TENCON 2004.","volume":"552 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123101416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Alternate bit reversal search for acquisition of ultra wide-band transmissions 交替位反转搜索获取超宽带传输
2004 IEEE Region 10 Conference TENCON 2004. Pub Date : 2004-11-21 DOI: 10.1109/TENCON.2004.1414726
Taeyoung Han, Nam Kim
{"title":"Alternate bit reversal search for acquisition of ultra wide-band transmissions","authors":"Taeyoung Han, Nam Kim","doi":"10.1109/TENCON.2004.1414726","DOIUrl":"https://doi.org/10.1109/TENCON.2004.1414726","url":null,"abstract":"Rapid acquisition of ultra wide-band (UWB) signals constitutes a major challenge because of the impulse-like short pulse at the sub-nanosecond scale, which results in a very wide uncertainty region of search. Recent studies have concluded that the process of acquiring the UWB signals can be expedited by the presence of multi-path. Acquisition analysis is made here by a generalized signal flow graph approach which allows for an arbitrary search pattern and a multiple detection scenario generated by the multi-path. It was shown in E.A. Homier et al. (2003) that the bit reversal search becomes to a near optimal search technique. The alternate bit reversal search proposed in this paper per-forms very closely to the bit reversal search, which can be substituted for the parallel search method of two correlator and reduce the cost of complexity.","PeriodicalId":434986,"journal":{"name":"2004 IEEE Region 10 Conference TENCON 2004.","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116961894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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