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2008 11th IEEE International Conference on Communication Technology最新文献

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System for temperature monitor in substation with ZigBee connectivity 采用ZigBee连接的变电站温度监测系统
2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI: 10.1109/ICCT.2008.4716095
Miaoqi Fang, Jian Wan, Xianghua Xu, Guangrong Wu
{"title":"System for temperature monitor in substation with ZigBee connectivity","authors":"Miaoqi Fang, Jian Wan, Xianghua Xu, Guangrong Wu","doi":"10.1109/ICCT.2008.4716095","DOIUrl":"https://doi.org/10.1109/ICCT.2008.4716095","url":null,"abstract":"Monitor substation equipment temperature is one of the most important factors for power systems to ensure safe transmission of electricity. Traditional methods for monitoring the substation temperature shows many disadvantages such as low accuracy, heavy workload, lack of real-time, etc. Therefore, a low cost, high accuracy and automatic method is needed for power system. This paper presents a temperature monitor system for substation with ZigBee connectivity. Node hardware, network protocol and software on PC were presented. Finally, the implementation performance shows the sensor nodes have an automatic, small size, low power consumption, and network stability.","PeriodicalId":259577,"journal":{"name":"2008 11th IEEE International Conference on Communication Technology","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133483441","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: 12
Filtered-X Lyapunov algorithm for nonlinear active noise control using second-order Volterra filter 基于二阶Volterra滤波器的滤波- x Lyapunov算法非线性主动噪声控制
2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI: 10.1109/ICCT.2008.4716090
Haiquan Zhao, Jiashu Zhang
{"title":"Filtered-X Lyapunov algorithm for nonlinear active noise control using second-order Volterra filter","authors":"Haiquan Zhao, Jiashu Zhang","doi":"10.1109/ICCT.2008.4716090","DOIUrl":"https://doi.org/10.1109/ICCT.2008.4716090","url":null,"abstract":"This paper presents a filtered-X Lyapunov algorithm for nonlinear active noise control (ANC) using second-order Volterra filter-based the filter-blank structure. Unlike many adaptive filtering schemes using gradient algorithm, a Lyapunov function of the tracking error is first defined, and second-order Volterra filter coefficients are adjusted using Lyapunov stability theory so that the error converges to zero asymptotically. Moreover, it has fast error convergence property and its stability is guaranteed by Lyapunov stability theory.","PeriodicalId":259577,"journal":{"name":"2008 11th IEEE International Conference on Communication Technology","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132022129","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: 8
Keynote address I The QR decomposition and the decision feedback detectors: Applications to block data transmission systems 主题演讲1 QR分解和决策反馈检测器:阻塞数据传输系统的应用
2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI: 10.1109/ICCT.2008.4716162
K. Wong
{"title":"Keynote address I The QR decomposition and the decision feedback detectors: Applications to block data transmission systems","authors":"K. Wong","doi":"10.1109/ICCT.2008.4716162","DOIUrl":"https://doi.org/10.1109/ICCT.2008.4716162","url":null,"abstract":"In this talk, we describe the relationship between the QR-decomposition of a matrix and the decision feedback detectors used in signal processing. We first introduce the QRS decomposition of a matrix and its geometric interpretation. We then examine a block-by-block communication system that employs (intra-block) decision feedback detection and develop a method for jointly designing the transmitter-receiver (transceiver) pair in such systems. We provide closed-form expressions for transmitter-receiver pairs that simultaneously minimize the arithmetic mean squared error (MSE) at the decision point (assuming perfect feedback), the geometric MSE, and the bit error rate of a uniformly bit-loaded system at moderate-to-high signal-to-noise ratios. We then examine the optimum designs of the transceivers in terms of the algebraic QRS decomposition and explains the functions of the optimum structures in the light of the component matrices. Finally we present simulation studies which indicate that the proposed transceivers perform significantly better than standard transceivers, and that they retain their performance advantages in the presence of error propagation.","PeriodicalId":259577,"journal":{"name":"2008 11th IEEE International Conference on Communication Technology","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133406518","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
An improved channel order estimation method for OFDM systems based on MDL criterion 一种改进的基于MDL准则的OFDM信道阶数估计方法
2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI: 10.1109/ICCT.2008.4716173
Zhenzhou Tang, Qian Hu
{"title":"An improved channel order estimation method for OFDM systems based on MDL criterion","authors":"Zhenzhou Tang, Qian Hu","doi":"10.1109/ICCT.2008.4716173","DOIUrl":"https://doi.org/10.1109/ICCT.2008.4716173","url":null,"abstract":"Channel estimation plays an important role in wireless OFDM systems. This paper studies the channel order estimation problem, which aims to estimate the number of paths of wireless channels. We first introduce the traditional channel order estimation method based on minimum description length (MDL) criterion. We find that the traditional method do not perform well when the number of channel samples is small. In order to solve this problem, we propose an improved channel order estimation method, which is also based on MDL criterion. Simulation results show that the improved method has a better performance than the traditional method in terms of estimation precision.","PeriodicalId":259577,"journal":{"name":"2008 11th IEEE International Conference on Communication Technology","volume":"1 9","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132478435","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: 2
A fast algorithm for multi-level mixed-polarity Reed-Muller functions optimization 多级混合极性Reed-Muller函数优化的快速算法
2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI: 10.1109/ICCT.2008.4716096
Wang Lun-yao, Xia Yin-shui
{"title":"A fast algorithm for multi-level mixed-polarity Reed-Muller functions optimization","authors":"Wang Lun-yao, Xia Yin-shui","doi":"10.1109/ICCT.2008.4716096","DOIUrl":"https://doi.org/10.1109/ICCT.2008.4716096","url":null,"abstract":"In this paper, an effective strategy of extraction of common variables from onset table is proposed. By employing the strategy, a novel algorithm is presented to derive a compact multi-level mixed-polarity Reed-Muller expression. The experiment results show that the proposed algorithm can significantly reduce the literals of the RM functions. Compared with published results, the proposed algorithm works faster and needs less memory.","PeriodicalId":259577,"journal":{"name":"2008 11th IEEE International Conference on Communication Technology","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114866406","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
Fast intermediate image rendering method based on temporal relativity 基于时间相对性的快速中间图像绘制方法
2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI: 10.1109/ICCT.2008.4716184
Y. Luo, Mei Yu, Zhongju Peng, G. Jiang
{"title":"Fast intermediate image rendering method based on temporal relativity","authors":"Y. Luo, Mei Yu, Zhongju Peng, G. Jiang","doi":"10.1109/ICCT.2008.4716184","DOIUrl":"https://doi.org/10.1109/ICCT.2008.4716184","url":null,"abstract":"Free-viewpoint video (FVV) system is a new kind of multimedia in the coming future. Intermediate image rendering plays an important role in FVV system and needs to be solved. So far, the intermediate image rendering methods are not suitable for real-time FVV due to the computational complexity. This paper presents a temporal correlation based intermediate image rendering method to accelerate the processing speed. Motion information is applied for fast rendering method. Experimental results show that the proposed method can render intermediate image quicker than other methods including block based hierarchical algorithm and rational block based hierarchical algorithm. Furthermore, the proposed method is useful to fulfill the real-time requirement in FVV.","PeriodicalId":259577,"journal":{"name":"2008 11th IEEE International Conference on Communication Technology","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116030935","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
Internet traffic management based on AMCC network processor 基于AMCC网络处理器的互联网流量管理
2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI: 10.1109/ICCT.2008.4716108
Xiaona Niu, Yunfei Guo, Jin Zhang, Chao Wang
{"title":"Internet traffic management based on AMCC network processor","authors":"Xiaona Niu, Yunfei Guo, Jin Zhang, Chao Wang","doi":"10.1109/ICCT.2008.4716108","DOIUrl":"https://doi.org/10.1109/ICCT.2008.4716108","url":null,"abstract":"The remarkable and continuous increase in link speed and application variety of Internet calls for new QoS provision technology that is both efficient and flexible. Being a kind of application-specific processor optimized for network computation, network processor (NP) combines the high performance of hardware and the flexibility of software, which exactly meets the demands of nowadays Internet traffic management and QoS provision. This paper originally presents an efficient traffic management mechanism based on AMCC network processor. The data-plane software architecture, the manipulation process, especially some key components such as accurate traffic classification, flexible access control and three-step scheduling are discussed in detail. We implement the traffic management mechanism based on NP3450 network processor and test it using Spirent AX/4000 broadband test system. The test results show that our proposal can efficiently provide QoS guarantee for various traffic category on OC-48 links.","PeriodicalId":259577,"journal":{"name":"2008 11th IEEE International Conference on Communication Technology","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134373351","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
Federation framework for service discovery in ubiquitous computing 泛在计算中用于服务发现的联邦框架
2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI: 10.1109/ICCT.2008.4716142
Yuanmin Chen, Wei Mao, Xiaodong Li
{"title":"Federation framework for service discovery in ubiquitous computing","authors":"Yuanmin Chen, Wei Mao, Xiaodong Li","doi":"10.1109/ICCT.2008.4716142","DOIUrl":"https://doi.org/10.1109/ICCT.2008.4716142","url":null,"abstract":"This paper presents a novel service discovery framework for ubiquitous computing called Federation Framework for Ubiquitous Computing Service Discovery. This framework offers a more flexible and scalable architecture which can combine the local services with remote services. That characteristic makes federation framework different from many other service discovery frameworks and more adaptive to ubiquitous computing environments. The federation framework makes the best use of already exist SLP protocols. The federation framework is backward compatible with SLP and can be deployed incrementally. This paper also specified the protocol at each interface.","PeriodicalId":259577,"journal":{"name":"2008 11th IEEE International Conference on Communication Technology","volume":"12 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133855875","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
A fuzzy switching filter for removing impulse noise 一种去除脉冲噪声的模糊开关滤波器
2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI: 10.1109/ICCT.2008.4716200
Song Li, Caizhu Wang, Yequi Li, Ling Wang, S. Sakata, H. Sekiya, S. Kuroiwa
{"title":"A fuzzy switching filter for removing impulse noise","authors":"Song Li, Caizhu Wang, Yequi Li, Ling Wang, S. Sakata, H. Sekiya, S. Kuroiwa","doi":"10.1109/ICCT.2008.4716200","DOIUrl":"https://doi.org/10.1109/ICCT.2008.4716200","url":null,"abstract":"In recent years, fuzzy set theory has been successfully used in various applications. A typical application area for using fuzzy techniques is to restore images corrupted by impulse noise. In this paper, we present a new framework of removing impulse noise. The most important points is that the types of images are estimated by using the FINDRM and the efficient detail preserving approach (EDPA). When it is estimated that an image has many white and black pixels, the detected noise pixels from the FINDRM are re-checked by using alpha-trimmed means. Oppositely, when it is estimated that an image has a few white and black pixels, the detection results from the FINDRM are used directly. Experimental results show that the proposed algorithm provides significant improvement of PSNR compared with the conventional techniques, and the results are visually very impressive.","PeriodicalId":259577,"journal":{"name":"2008 11th IEEE International Conference on Communication Technology","volume":"159 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133934716","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
An improved distributed key revocation scheme in wireless sensor networks 一种改进的无线传感器网络分布式密钥撤销方案
2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI: 10.1109/ICCT.2008.4716141
Jun Zhou, Mingxing He
{"title":"An improved distributed key revocation scheme in wireless sensor networks","authors":"Jun Zhou, Mingxing He","doi":"10.1109/ICCT.2008.4716141","DOIUrl":"https://doi.org/10.1109/ICCT.2008.4716141","url":null,"abstract":"A distributed reliable key revocation scheme is proposed in this paper according to randomness of the deployment of sensor nodes. This scheme derives the concept of appealing members who are responsible for userspsila revocation operations as the topology varies by using secret sharing techniques and modified Blompsilas symmetric key establishment mechanism. Besides, a novel seed member alternation mechanism is also proposed in this paper, which can efficiently resist of node capture attacks. It also leaves the resources much more balanced among the sensor nodes and helps to prolong the lifetime of WSNs. By comparison, the performance of this scheme is considerably refined in terms of network security, key connectivity, complexity of storage as well as communication.","PeriodicalId":259577,"journal":{"name":"2008 11th IEEE International Conference on Communication Technology","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121963351","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
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