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2006 International Conference on Software in Telecommunications and Computer Networks最新文献

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Use of distributed resources in mobile environment 在移动环境中使用分布式资源
2006 International Conference on Software in Telecommunications and Computer Networks Pub Date : 2006-09-01 DOI: 10.1109/SOFTCOM.2006.329761
T. Kallonen, J. Porras
{"title":"Use of distributed resources in mobile environment","authors":"T. Kallonen, J. Porras","doi":"10.1109/SOFTCOM.2006.329761","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2006.329761","url":null,"abstract":"In this paper an approach to utilize distributed resources in mobile computing environment is presented. Our approach is based on the use of previously implemented mobile connectivity solution PeerHood. PeerHood observes the neighborhood of the mobile device making it possible to discover and use services of other devices (i.e. distributed resources in this environment) and thus makes it possible for our new approach to utilize these resources for remote execution of various tasks. We created a service on a fixed computer which receives tasks from other devices and executes them. Remote image analysis is used as an application to show how the approach could be efficiently used","PeriodicalId":292242,"journal":{"name":"2006 International Conference on Software in Telecommunications and Computer Networks","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115444504","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: 17
Simulation of Dynamic Call Admission Control for CDMA Systems CDMA系统的动态呼叫接纳控制仿真
2006 International Conference on Software in Telecommunications and Computer Networks Pub Date : 2006-09-01 DOI: 10.1109/SOFTCOM.2006.329740
M. Katona, I. Sandor
{"title":"Simulation of Dynamic Call Admission Control for CDMA Systems","authors":"M. Katona, I. Sandor","doi":"10.1109/SOFTCOM.2006.329740","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2006.329740","url":null,"abstract":"This paper introduces a dynamic CAC (call admission control) method for CDMA networks. We give a short description of the theoretical CAC decision and show that the task of CAC can be regarded as a space separation problem and the tail distribution estimation problem. We also refer to a static, effective bandwidth based CAC, that has been compared to our dynamic method. Finally we investigate and validate the efficiency of the introduced CAC method for WCDMA system by means of simulations in MATLAB environment. The presented simulation results underline the efficiency of the proposed solution","PeriodicalId":292242,"journal":{"name":"2006 International Conference on Software in Telecommunications and Computer Networks","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132185224","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
Performance Limitation of an Inter-City Optical Ring Network with Short-Period Dispersion-Managed Fiber due to the Presence of Cross-Phase Modulation 交叉相位调制对短周期色散管理光纤城际光环网性能的限制
2006 International Conference on Software in Telecommunications and Computer Networks Pub Date : 2006-09-01 DOI: 10.1109/SOFTCOM.2006.329757
S. Majumder, M. Sakib, N. Alam, R. Sajjad
{"title":"Performance Limitation of an Inter-City Optical Ring Network with Short-Period Dispersion-Managed Fiber due to the Presence of Cross-Phase Modulation","authors":"S. Majumder, M. Sakib, N. Alam, R. Sajjad","doi":"10.1109/SOFTCOM.2006.329757","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2006.329757","url":null,"abstract":"A transmission performance study is carried out for a multi-hop inter-city optical ring network with short-period dispersion managed fiber (SPDMF) taking into consideration the effect of cross-phase modulation cross-talk introduced at each node. The performance results evaluated at a bit rate of 10 Gb/s show that the bit error rate (BER) performance is limited severely by the cross-phase modulation. For a given BER of 10-9 the number of hops is limited to 7 with a probe power of -5 dBm, pump power of -15 dBm. Computations are also carried out to find the optimum bandwidth of the Fabry-Perot filter (FPF). At a given BER of 10-9, the maximum number of hops that can be traversed is 17 corresponding to an optical FPF bandwidth of two times bit rate","PeriodicalId":292242,"journal":{"name":"2006 International Conference on Software in Telecommunications and Computer Networks","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124849235","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
A Hybrid Algorithm for Topology Optimization in Wireless Sensor Networks 无线传感器网络拓扑优化的混合算法
2006 International Conference on Software in Telecommunications and Computer Networks Pub Date : 2006-09-01 DOI: 10.1109/SOFTCOM.2006.329730
A. Sarrafi, M. H. Firooz, M. Kamarei
{"title":"A Hybrid Algorithm for Topology Optimization in Wireless Sensor Networks","authors":"A. Sarrafi, M. H. Firooz, M. Kamarei","doi":"10.1109/SOFTCOM.2006.329730","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2006.329730","url":null,"abstract":"This paper proposes a topology control algorithm for wireless sensor networks which have a large scale structure and densely distributed nodes. One of the main problems in topology control is power efficiency with consideration of connectivity. The proposed algorithm is aimed to find a topology with near optimum power consumption within reasonable convergence time. While game theory is exploited to prove convergence property of proposed algorithm, clustering concept is employed to reduce convergence time with the aid of parallel processing","PeriodicalId":292242,"journal":{"name":"2006 International Conference on Software in Telecommunications and Computer Networks","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126277003","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
An Improved Technology for Content Matching Intrusion Detection System 一种改进的内容匹配入侵检测系统技术
2006 International Conference on Software in Telecommunications and Computer Networks Pub Date : 2006-09-01 DOI: 10.1109/SOFTCOM.2006.329755
Yanguo Wang, H. Kobayashi
{"title":"An Improved Technology for Content Matching Intrusion Detection System","authors":"Yanguo Wang, H. Kobayashi","doi":"10.1109/SOFTCOM.2006.329755","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2006.329755","url":null,"abstract":"Pattern matching is a comprehensive applicable key technology, which can be used in network security applications such as intrusion detection systems (IDS), firewall, virus detection, etc. Depending on the choice of algorithm, implementation, and the frequency to which it is applied, the pattern matching may become a performance bottleneck due to the increasing network speed and traffic. Therefore, it is very necessary to develop faster and more efficient pattern matching algorithms in order to overcome the troubles on performance. In this paper, we presented a new pattern matching algorithm based on Boyer-Moore algorithm. The improved algorithm and its working process are described in detail. Together with a new concept of reference point, a two-dimensional array NEXT redesigned based on novel generated rules in the pre-processing phase, endorse the algorithm a better performance and more efficient. The algorithm also passed tests and is validated. Our experimental results, two diverse sets of pattern strings tested on two example texts, indicate that this algorithm can enhance the average performance up to 25% ~ 44% compared to Boyer-Moore-Horspool algorithm","PeriodicalId":292242,"journal":{"name":"2006 International Conference on Software in Telecommunications and Computer Networks","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121626775","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
Multipath Routing for video-streaming services over IEEE 802.1le Ad hoc Networks IEEE 802.1le Ad hoc网络上视频流服务的多路径路由
2006 International Conference on Software in Telecommunications and Computer Networks Pub Date : 2006-09-01 DOI: 10.1109/SOFTCOM.2006.329731
V. C. Frías, G. Delgado, M. A. Igartua
{"title":"Multipath Routing for video-streaming services over IEEE 802.1le Ad hoc Networks","authors":"V. C. Frías, G. Delgado, M. A. Igartua","doi":"10.1109/SOFTCOM.2006.329731","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2006.329731","url":null,"abstract":"Mobile ad hoc networks (MANETs) are nowadays being used much more than some years ago. One of the major reasons is the increasing number of devices that have risen lately capable of forming part of such networks. This situation makes feasible the development of new services. Especially, video-streaming is one of the most successful services demanded by the customers. In this paper we propose a QoS-aware multipath DSR-based (dynamic source routing) routing protocol which helps to improve the reliability of the connections while balancing the load and decreasing the end-to-end delay. Several multipath routing designs have been evaluated seeking to get better global performance of the network. Besides, we propose a QoS-aware architecture that includes a cross-layer scheme in which a network layer scheduler manages different priority traffics and operates according to the IEEE 802.11e MAC (medium access control) layer. Extensive simulations have been carried out to show the benefits of our scheme in providing different levels of QoS, including user-level QoS parameters","PeriodicalId":292242,"journal":{"name":"2006 International Conference on Software in Telecommunications and Computer Networks","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123129795","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
Comparison of WiMAX coverage at 450MHz and 3.5GHz 450MHz和3.5GHz的WiMAX覆盖比较
2006 International Conference on Software in Telecommunications and Computer Networks Pub Date : 2006-09-01 DOI: 10.1109/SOFTCOM.2006.329723
T. Javornik, G. Kandus, A. Hrovat, I. Ozimek
{"title":"Comparison of WiMAX coverage at 450MHz and 3.5GHz","authors":"T. Javornik, G. Kandus, A. Hrovat, I. Ozimek","doi":"10.1109/SOFTCOM.2006.329723","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2006.329723","url":null,"abstract":"In this paper we calculate, analyze and compare the area covered by radio signal based on WiMAX standard at two carrier frequencies, namely 450 MHz and 3.5 GHz in flat rural, hilly rural and urban environment. The channel model proposed by WiMAX forum has been applied as path loss model at 3.5 GHz for cell coverage prediction, while at 450 MHz the Longley-Rice model for rural areas and Okumura Hata channel models for urban area is used. The cell size prediction strongly suggests to limit the 3.5 GHz frequency band to urban areas, where the higher system capacity is required, while in rural areas the 450 MHz carrier frequency provide good compromise between coverage and system capacity","PeriodicalId":292242,"journal":{"name":"2006 International Conference on Software in Telecommunications and Computer Networks","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128731846","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: 20
AR Modeling for Temporal Extension of Correlated Sensor Network Data 相关传感器网络数据时间扩展的AR建模
2006 International Conference on Software in Telecommunications and Computer Networks Pub Date : 2006-09-01 DOI: 10.1109/SOFTCOM.2006.329734
H. Najafi, F. Lahouti, M. Shiva
{"title":"AR Modeling for Temporal Extension of Correlated Sensor Network Data","authors":"H. Najafi, F. Lahouti, M. Shiva","doi":"10.1109/SOFTCOM.2006.329734","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2006.329734","url":null,"abstract":"In this paper, a model based on autoregressive (AR) method for modeling and generating data in sensor networks is proposed. For this purpose, spatial and temporal correlation of real data is exploited. In addition, estimation of correlation coefficients is used for temporal extension. Availability of a suitable data set is the fundamental need for validation of algorithms and protocols that try to minimize energy consumption in sensor networks. Moreover, so far, a few real systems have been implemented and hence researchers have many limitations in accessing appropriate data. Considering these problems, the spatial and temporal AR model is introduced. This model utilizes temporal and spatial attributes simultaneously to initiate a general method for generating data with proper dimensions and qualities from real configurations both in space and in time","PeriodicalId":292242,"journal":{"name":"2006 International Conference on Software in Telecommunications and Computer Networks","volume":"291 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115602780","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 T-Learning Platform based on Digital Terrestrial Television 基于数字地面电视的T-Learning平台
2006 International Conference on Software in Telecommunications and Computer Networks Pub Date : 2006-09-01 DOI: 10.1109/SOFTCOM.2006.329778
M. Baldi, A. De Santis, D. Falcone, E. Gambi, S. Spinsante
{"title":"A T-Learning Platform based on Digital Terrestrial Television","authors":"M. Baldi, A. De Santis, D. Falcone, E. Gambi, S. Spinsante","doi":"10.1109/SOFTCOM.2006.329778","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2006.329778","url":null,"abstract":"The spreading of the digital video broadcasting terrestrial (DVB-T) technology makes it possible to address a large amount of end users, even those who are not familiar with the Internet, providing services and applications characterized by differentiated levels of interactivity. In this paper we propose an example of integration of different technologies, DVB-T and videoconference, in order to widen the spectrum of available interactive services, with specific reference to a T-learning environment. An experimental implementation of the proposed service is currently adopted by our University; due to the flexibility of this solution, in terms of low bit rate required by the video content and portability of the application, a further extension to generic educational contexts is easily conceivable","PeriodicalId":292242,"journal":{"name":"2006 International Conference on Software in Telecommunications and Computer Networks","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115115305","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: 13
Efficient reliable on-demand multicast for content delivery 高效可靠的按需多播内容交付
2006 International Conference on Software in Telecommunications and Computer Networks Pub Date : 2006-09-01 DOI: 10.1109/SOFTCOM.2006.329739
I. Miloucheva, N. Reyes, J. Mahnke, K. Jonas
{"title":"Efficient reliable on-demand multicast for content delivery","authors":"I. Miloucheva, N. Reyes, J. Mahnke, K. Jonas","doi":"10.1109/SOFTCOM.2006.329739","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2006.329739","url":null,"abstract":"On-demand multicast is used on efficient delivery to multiple receivers requiring the same content or media asynchronously. This paper discusses cost efficient reliable on-demand multicast strategy involving access router support, which is designed to be used for mobile users in converged Internet infrastructures. State-of-the-art of on-demand multicast techniques and metrics for evaluation of the efficiency of multicast transport are overviewed. Design and implementation of a new reliable on-demand multicast strategy is presented and its retransmission costs are evaluated for different mobile multicast scenarios","PeriodicalId":292242,"journal":{"name":"2006 International Conference on Software in Telecommunications and Computer Networks","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122140796","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
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