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Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)最新文献

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Using Neuro-Fuzzy Approach to Reduce False Positive Alerts 利用神经模糊方法减少误报报警
Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI: 10.1109/CNSR.2007.70
Riyad Alshammari, S. Sonamthiang, Mohsen Teimouri, Denis Riordan
{"title":"Using Neuro-Fuzzy Approach to Reduce False Positive Alerts","authors":"Riyad Alshammari, S. Sonamthiang, Mohsen Teimouri, Denis Riordan","doi":"10.1109/CNSR.2007.70","DOIUrl":"https://doi.org/10.1109/CNSR.2007.70","url":null,"abstract":"One of the major problems of Intrusion Detection Systems (IDS) at the present is the high rate of false alerts that the systems produce. These alerts cause problems to human analysts to repeatedly and intensively analyze the false alerts to initiate appropriate actions. We demonstrate the advantages of using a hybrid neuro-fuzzy approach to reduce the number of false alarms. The neuro-fuzzy approach was experimented with different background knowledge sets in DARPA 1999 network traffic dataset. The approach was evaluated and compared with RIPPER algorithm. The results shows that the neuro- fuzzy approach significantly reduces the number of false alarms more than the RIPPER algorithm and requires less background knowledge sets.","PeriodicalId":266936,"journal":{"name":"Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114272063","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: 45
Concurrency Handling in TCP TCP中的并发处理
Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI: 10.1109/CNSR.2007.23
Yu Dong, N. Pissinou, Jian Wang
{"title":"Concurrency Handling in TCP","authors":"Yu Dong, N. Pissinou, Jian Wang","doi":"10.1109/CNSR.2007.23","DOIUrl":"https://doi.org/10.1109/CNSR.2007.23","url":null,"abstract":"In this paper, we propose an extension to current TCP protocol named concurrent TCP (cTCP), which can improve throughput of connections through balancing traffic load on multiple end-to-end paths. We keep the single-sliding-window architecture of TCP untouched for compatibility reasons. The two core components of the design are a packet scheduling switch that balances load among paths, and a duplicated acknowledgement classifier that handles packet reordering. We implemented our protocol in FreeBSD kernel and compared the performance of cTCP with theoretical results. Experiment outcomes show that throughputs of our protocol are close to the ideal values.","PeriodicalId":266936,"journal":{"name":"Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)","volume":"137 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130879421","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
Performance of UWB Systems with Suboptimal Receivers under IEEE 802.15.4a Industrial Environments IEEE 802.15.4a工业环境下UWB系统次优接收性能研究
Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI: 10.1109/CNSR.2007.51
H. Gong, H. Nie, Z. Chen
{"title":"Performance of UWB Systems with Suboptimal Receivers under IEEE 802.15.4a Industrial Environments","authors":"H. Gong, H. Nie, Z. Chen","doi":"10.1109/CNSR.2007.51","DOIUrl":"https://doi.org/10.1109/CNSR.2007.51","url":null,"abstract":"In this paper, under the IEEE 802.15.4a line-of-sight (LOS) and non-line-of-sight (NLOS) industrial multipath environments, the performances of the selective RAKE receiver and the differential detection receiver are simulated for impulse radio ultra-wideband (UWB) systems. The simulation results reveal that in the LOS industrial environments the selective RAKE receiver has better performance. In the NLOS industrial environments, the differential detection receiver is a more viable choice with the low pulse repeat rate when the inter-symbol interference (ISI) effect can be ignored; however, the selective RAKE receiver is a better choice with the high pulse repeat rate when the ISI has to be taken into account.","PeriodicalId":266936,"journal":{"name":"Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129801248","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
Wireless Sensor Network: Research vs. Reality Design and Deployment Issues 无线传感器网络:研究vs.现实设计和部署问题
Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI: 10.1109/CNSR.2007.71
M. Youssef, N. El-Sheimy
{"title":"Wireless Sensor Network: Research vs. Reality Design and Deployment Issues","authors":"M. Youssef, N. El-Sheimy","doi":"10.1109/CNSR.2007.71","DOIUrl":"https://doi.org/10.1109/CNSR.2007.71","url":null,"abstract":"The availability of low cost, low power, and miniature embedded processors, radios, and sensors, integrated on a single chip, is leading to the use of wireless communications and computing for interacting with the physical world in many civilian and military applications. The resulting systems, called wireless sensor networks (WSN). The advances in the integration of complex wireless integrated products and the increase in performance and functionality of the design tools, the requirements and properties of a single device (sensor node) are well understood. Yet it is not simple and straightforward to implement WSN concepts into a functional prototype system or even a commercial product. This tutorial will address the key factors in WSN design. The capabilities of the current WSNs will be examined. The new security scenarios for WSN will be illustrated. Different localization techniques in WSN will be discussed and compared. Future trends in WSN research will be introduced.","PeriodicalId":266936,"journal":{"name":"Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117216654","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: 22
Security Monitoring Using Wireless Sensor Networks 利用无线传感器网络进行安全监控
Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI: 10.1109/CNSR.2007.58
A. Chehri, P. Fortier, Pierre Martin Tardif
{"title":"Security Monitoring Using Wireless Sensor Networks","authors":"A. Chehri, P. Fortier, Pierre Martin Tardif","doi":"10.1109/CNSR.2007.58","DOIUrl":"https://doi.org/10.1109/CNSR.2007.58","url":null,"abstract":"The underground environment is a harsh and hazardous workspace for plant and personnel. It is damp, dusty and hot, there is a risk of roof and rock falling and the atmosphere can be potentially explosive. Recent incidents are a reminder of how crucial safety is in mining. The increasing miniaturization of RF devices and micro-electromechanical systems (MEMS) and the advances in wireless technologies have generated a great deal of research interest in the area of wireless sensor networks (WSN). Sensor networks provide a promising infrastructure for gathering information about parameters of the physical world. Such networks have many applications in military and civilian environments. In this paper, a new wireless sensor network architecture is introduced for surveillance and security monitoring of underground mines and confined areas.","PeriodicalId":266936,"journal":{"name":"Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130387680","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: 56
PTS Peak Power Reduction of OFDM Signals with Low Complexity IFFTs 低复杂度ifft下OFDM信号PTS峰值功率降低
Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI: 10.1109/CNSR.2007.52
A. Ghassemi, T. Gulliver
{"title":"PTS Peak Power Reduction of OFDM Signals with Low Complexity IFFTs","authors":"A. Ghassemi, T. Gulliver","doi":"10.1109/CNSR.2007.52","DOIUrl":"https://doi.org/10.1109/CNSR.2007.52","url":null,"abstract":"Partial transmit sequence (PTS) is a distortionless technique used to reduce the peak-to-average power ratio (PAPR) of an orthogonal frequency division multiplexing (OFDM) signal. However, it has a relatively high computational complexity due to the computation of multiple inverse fast Fourier transforms (IFFTs). We reduce this complexity by using a radix FFT that computes multiple IFFTs with low computational complexity. Signals at the middle stages of an N-point radix-r FFT using decimation in frequency (DIF) are employed for PTS subblocking. Performance results are presented which show that PAPR reduction similar to other techniques such as ordinary PTS (O-PTS) is achieved.","PeriodicalId":266936,"journal":{"name":"Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124836961","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: 9
ConnectA! : An Intelligent Search Engine based on Authors' Connectivity ConnectA !:基于作者连通性的智能搜索引擎
Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI: 10.1109/CNSR.2007.26
H. Baghi, M. Barouni-Ebrahimi, A. Ghorbani, R. Zafarani
{"title":"ConnectA! : An Intelligent Search Engine based on Authors' Connectivity","authors":"H. Baghi, M. Barouni-Ebrahimi, A. Ghorbani, R. Zafarani","doi":"10.1109/CNSR.2007.26","DOIUrl":"https://doi.org/10.1109/CNSR.2007.26","url":null,"abstract":"Searching documents about a specific subject written by a group of closely related authors may sometimes come in use for the researchers. This task is usually overwhelming, since the surfer is not familiar with all the authors in that community. In this paper, we propose a semantic Web search engine called ConnectA! that helps the users to find the publications of a community of authors on a specific subject, while they only know a very limited number of the authors in that community. The primary live evaluation of the implemented model shows the efficiency of the method.","PeriodicalId":266936,"journal":{"name":"Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114609420","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
A New Rate-based Active Queue Management: Adaptive Virtual Queue RED 一种新的基于速率的主动队列管理:自适应虚拟队列RED
Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI: 10.1109/CNSR.2007.3
Dojun Byun, J. Baras
{"title":"A New Rate-based Active Queue Management: Adaptive Virtual Queue RED","authors":"Dojun Byun, J. Baras","doi":"10.1109/CNSR.2007.3","DOIUrl":"https://doi.org/10.1109/CNSR.2007.3","url":null,"abstract":"In an effort to improve performance of congested gateways, a new Active Queue Management (AQM) algorithm, Adaptive Virtual Queue Random Early Detection (AVQRED), was developed by feeding virtual queue size to the RED algorithm. The objective of the new algorithm is to improve overall performance by keeping link utilization high, link utilization stable, queueing delay low and consecutive packet drop rate low. This paper shows the objective is met by comparing AVQRED with six other well known AQM methods in a realistic emulation environment. To provide fair comparisons, the AQM parameters are fine-tuned by exploring many different parameter settings via emulations. The emulation results conclude that AVQRED improves overall performance by 8 to 25%. To provide intuitive properties and validate the emulation results, a mathematical model is proposed and fed to MATLAB, and the results from MATLAB and emulations are compared.","PeriodicalId":266936,"journal":{"name":"Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130741195","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: 7
A Novel Approach for Frequent Phrase Mining in Web Search Engine Query Streams Web搜索引擎查询流中频繁短语挖掘的新方法
Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI: 10.1109/CNSR.2007.5
M. Barouni-Ebrahimi, A. Ghorbani
{"title":"A Novel Approach for Frequent Phrase Mining in Web Search Engine Query Streams","authors":"M. Barouni-Ebrahimi, A. Ghorbani","doi":"10.1109/CNSR.2007.5","DOIUrl":"https://doi.org/10.1109/CNSR.2007.5","url":null,"abstract":"In this paper, conceptual frequency rate, a new frequency definition suitable for query stream mining, is introduced. An online single-pass algorithm called OFSD (Online Frequent Sequence Discovery) is given, to mine the set of all conceptual frequent sequences in a data stream whose conceptual frequency rates satisfy a minimum user defined frequency rate. Phrase recommender algorithm is then described based on the set of conceptual frequent phrases extracted by the OFSD algorithm. We have also designed a query recommender algorithm, OQD (Online Query Discovery). OQD is used for comparison purposes along side the proposed phrase recommender algorithm. Simulation results show the efficiency of the proposed Phrase recommender algorithm compared to OQD.","PeriodicalId":266936,"journal":{"name":"Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128921818","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 New Simple Adaptive Noise Cancellation Scheme Based On ALE and NLMS Filter 一种新的基于ALE和NLMS滤波器的简单自适应降噪方案
Fifth Annual Conference on Communication Networks and Services Research (CNSR '07) Pub Date : 2007-05-14 DOI: 10.1109/CNSR.2007.4
J. Mohammed
{"title":"A New Simple Adaptive Noise Cancellation Scheme Based On ALE and NLMS Filter","authors":"J. Mohammed","doi":"10.1109/CNSR.2007.4","DOIUrl":"https://doi.org/10.1109/CNSR.2007.4","url":null,"abstract":"Background noise is usually an important factor that affects speech recognition performance and many other applications. In this paper, background noise (wideband noise and sinusoidal noise) can be significantly suppressed using the proposed adaptive noise cancellation scheme based on adaptive line enhancer (ALE) and normalized least mean square (NLMS) filters. The proposed scheme is comprised of two stages. The first stage uses an ALE filters, which are used to reduce sinusoidal noise from the primary and reference input signals, whereas the wideband noise is reduced using NLMS adaptive filter in the second stage. To demonstrate the effectiveness of the proposed scheme ,it is compared to the traditional adaptive noise cancellation scheme. The good performance of the proposed scheme have been verified via computer simulations in noisy and reverberant environment.","PeriodicalId":266936,"journal":{"name":"Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128950645","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: 24
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