2010 International Conference on Advances in Recent Technologies in Communication and Computing最新文献

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Simulation of Suspension System with Intelligent Active Force Control 基于智能主动力控制的悬架系统仿真
K. Rajeswari, P. Lakshmi
{"title":"Simulation of Suspension System with Intelligent Active Force Control","authors":"K. Rajeswari, P. Lakshmi","doi":"10.1109/ARTCOM.2010.21","DOIUrl":"https://doi.org/10.1109/ARTCOM.2010.21","url":null,"abstract":"This paper presents an intelligent method of Active Force Control scheme applied to the vehicle suspension system of a quarter car model with actuator dynamics. The proposed controller structure consists of three loops. Outer loop controller is used for the target force computation to reject the road disturbances. Inner force tracking loop is used to keep the actual force close to the target force. Active Force Control (AFC) feedback loop is used for the estimation of force due to disturbance and it results in robustness of the proposed control scheme. The performance of suspension system with and without AFC scheme is analyzed. Simulation results of intelligent active force control based vehicle suspension system exhibits better vibration isolation of vehicle body and high robustness than those obtained by the Fuzzy Logic Controller (FLC) without AFC.","PeriodicalId":398854,"journal":{"name":"2010 International Conference on Advances in Recent Technologies in Communication and Computing","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130097469","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: 31
New Approximation to Design Fractional Order Digital Differentiator Using Fractional Delay Filters 用分数阶延迟滤波器设计分数阶数字微分器的新近似
D. Upadhyay, R.K. Singh
{"title":"New Approximation to Design Fractional Order Digital Differentiator Using Fractional Delay Filters","authors":"D. Upadhyay, R.K. Singh","doi":"10.1109/ARTCOM.2010.35","DOIUrl":"https://doi.org/10.1109/ARTCOM.2010.35","url":null,"abstract":"In this paper, a new approximation is proposed to design fractional order digital differentiator using fractional delay filters. New approximation improves the design accuracy of conventional fractional differencing for wideband compared to existing approximations. Proposed new approximation is applied to see relatively small error for wideband.","PeriodicalId":398854,"journal":{"name":"2010 International Conference on Advances in Recent Technologies in Communication and Computing","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132913026","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 Evaluation of Cognitive Radio with Emphasis on Uplink and Downlink 基于上行链路和下行链路的认知无线电性能评价
Mayank Agarwal, Jayant Rajpurohit, Pradeep Aluru, S. Rao, G. Singh
{"title":"Performance Evaluation of Cognitive Radio with Emphasis on Uplink and Downlink","authors":"Mayank Agarwal, Jayant Rajpurohit, Pradeep Aluru, S. Rao, G. Singh","doi":"10.1109/ARTCOM.2010.28","DOIUrl":"https://doi.org/10.1109/ARTCOM.2010.28","url":null,"abstract":"In this paper, we have discussed the effects of channel interference and evaluated the signal-to-interference plus noise ratio (SINR) for the cognitive radio (CR) network. The cognitive radio is a novel concept of reusing licensed spectrum with unlicensed manner. The most challenging part is the introduction of cognitive radio in the primary user spectrum without causing interference to it. The SINR is very significant parameters for evaluation of the performance in a wireless network. Different users have different SINR requirement, so it is very important that the SINR of a particular user is within a certain acceptable range. The calculated SINR is more precise by considering the uplink and down link frequencies.","PeriodicalId":398854,"journal":{"name":"2010 International Conference on Advances in Recent Technologies in Communication and Computing","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131082198","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
Unaware Routing in Highly Variable Network Traffic Using Joint Security and Routing Analysis 基于联合安全和路由分析的高可变网络流量中的不意识路由
M. Felix, P. X. Britto
{"title":"Unaware Routing in Highly Variable Network Traffic Using Joint Security and Routing Analysis","authors":"M. Felix, P. X. Britto","doi":"10.1109/ARTCOM.2010.59","DOIUrl":"https://doi.org/10.1109/ARTCOM.2010.59","url":null,"abstract":"The emergence of new applications on the Internet has created highly dynamic and changing traffic patterns. In order to route dynamic traffic with guarantee, quality of service without detection of traffic change becomes necessary. The security scheme using cryptographic key will be efficient enough to provide network confidentiality, but due to the time complexity and unavoidable growth of hackers knowledge it lacks behind in providing security for node threats. Hence, we provide security for the nodes by enhancing the security in the weaker side by encrypting the data using rijndael algorithm.","PeriodicalId":398854,"journal":{"name":"2010 International Conference on Advances in Recent Technologies in Communication and Computing","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130844987","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
Review of Tuning Methods of DMC and Performance Evaluation with PID Algorithms on a FOPDT Model 基于FOPDT模型的DMC整定方法及PID算法性能评价综述
R. D. Kokate, L. Waghmare, S. Deshmukh
{"title":"Review of Tuning Methods of DMC and Performance Evaluation with PID Algorithms on a FOPDT Model","authors":"R. D. Kokate, L. Waghmare, S. Deshmukh","doi":"10.1109/ARTCOM.2010.109","DOIUrl":"https://doi.org/10.1109/ARTCOM.2010.109","url":null,"abstract":"this paper presents review of easy to use and reliable tuning strategy for SISO Dynamic matrix control (DMC). The tuning strategy achieves set point tracking with minimal overshoot and modest manipulated input move sizes and is applicable to a broad class of open loop stable processes. The simulation of a simple FOPDT model is carried out using advanced control algorithms, specifically these advanced algorithms are the IMC-based PID controller, DMC. And their performance is compared with PID Controller which is tuned using Z-N tuning method","PeriodicalId":398854,"journal":{"name":"2010 International Conference on Advances in Recent Technologies in Communication and Computing","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125825813","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
Comparison of LDM and HMM for an Application of a Speech LDM和HMM在语音应用中的比较
V. Mane, A. B. Patil, K. P. Paradeshi
{"title":"Comparison of LDM and HMM for an Application of a Speech","authors":"V. Mane, A. B. Patil, K. P. Paradeshi","doi":"10.1109/ARTCOM.2010.65","DOIUrl":"https://doi.org/10.1109/ARTCOM.2010.65","url":null,"abstract":"Automatic speech recognition (ASR) has moved from science-fiction fantasy to daily reality for citizens of technological societies. Some people seek it out, preferring dictating to typing, or benefiting from voice control of aids such as wheel-chairs. Others find it embedded in their hi-tec gadgetry – in mobile phones and car navigation systems, or cropping up in what would have until recently been human roles such as telephone booking of cinema tickets. Wherever you may meet it, computer speech recognition is here, and it’s here to stay. Most of the automatic speech recognition (ASR) systems are based on hidden Markov Model in which Guassian Mixturess model is used. The output of this model depends on subphone states. Dynamic information is typically included by appending time-derivatives to feature vectors. This approach was quite successful. This approach makes the false assumption of framewise independence of the augmented feature vectors and ignores the spatial correlations in the parametrised speech signal. This is the short coming while applying HMM for acoustic modeling for ASR. Rather than modelling individual frames of data, LDMs characterize entire segments of speech. An auto-regressive state evolution through a continuous space gives a Markovian model. The underlying dynamics, and spatial correlations between feature dimensions. LDMs are well suited to modelling smoothly varying, continuous, yet noisy trajectories such as found in measured articulatory data.","PeriodicalId":398854,"journal":{"name":"2010 International Conference on Advances in Recent Technologies in Communication and Computing","volume":"131 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124258992","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
Pseudo Concurrent Quad-Band LNA Operating in 900 MHz/1.8 GHz and 900 MHz/2.4 GHz Bands for Multi-standard Wireless Receiver 多标准无线接收机900 MHz/1.8 GHz和900 MHz/2.4 GHz频段的伪并发四频带LNA
Sambit Datta, A. Dutta, K. Datta, T. K. Bhattacharyya
{"title":"Pseudo Concurrent Quad-Band LNA Operating in 900 MHz/1.8 GHz and 900 MHz/2.4 GHz Bands for Multi-standard Wireless Receiver","authors":"Sambit Datta, A. Dutta, K. Datta, T. K. Bhattacharyya","doi":"10.1109/VLSID.2011.20","DOIUrl":"https://doi.org/10.1109/VLSID.2011.20","url":null,"abstract":"This article presents the design of a novel quadband LNA operating in the GSM 0.9GHz/GSM l.8GHz and ZigBee 0.9GHz/WLAN 2.4GHz communication standards. This pseudo-concurrent architecture uses a two bit mode switch for selecting between the frequency bands. An RF switch is implemented before the Low Noise Amplifier (LNA) module to improve the insertion loss and isolation between the frequency bands. The pseudo-concurrent LNA is designed and simulated in CADENCE using 130nm UMC technology. The current design is especially suitable for use in multi-standard wireless receiver frontends as it saves die area and reduces power consumption by replacing parallel LNAs for each channel frequency. Simulation results indicate a Noise Figure below 4dB and S21 above 14 dB in all frequency bands while drawing 10mA current from a 1.2V power supply.","PeriodicalId":398854,"journal":{"name":"2010 International Conference on Advances in Recent Technologies in Communication and Computing","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132854901","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: 14
Automated Document Ranking Evaluation in Digital Libraries 数字图书馆中的自动文献排序评价
Arpana Rawal, M. Kowar, Sanjay Sharma, H. R. Sharma
{"title":"Automated Document Ranking Evaluation in Digital Libraries","authors":"Arpana Rawal, M. Kowar, Sanjay Sharma, H. R. Sharma","doi":"10.1109/ARTCOM.2010.111","DOIUrl":"https://doi.org/10.1109/ARTCOM.2010.111","url":null,"abstract":"The construction of Automated Digital Libraries has grabbed widespread popularity over recent years, rendering the value added services that suit to the tailored user requirements. In this context, carrying out traditional searches over text material by querying upon a given metadata or a set of domain keywords is predominantly observe, not to retrieve the relevant documents, although these end up in huge list of results containing query terms. In the present communication, the search is deviated from explicitly borrowed Metadata search to the context oriented search triggered from implicitly available Ontologies of the considered subject domain. The proposal is hereby analyzed to be most fruitful for Relevant Information Retrieval by User Communities, i.e. by those group of people who share common interests and benefit by their own accessed information. It is further emphasized that the search terms contributing to the background knowledge, can be implicitly made available from the collection of documents, which only need to be selectively defined, studying the User profiles of the search communities. The authors visualize this work as a tool to precisely rank the prescribed courseware material for Academic Digital Libraries.","PeriodicalId":398854,"journal":{"name":"2010 International Conference on Advances in Recent Technologies in Communication and Computing","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121588426","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
An Efficient 64-point Pipelined FFT Engine 一个高效的64点流水线FFT引擎
J. Rudagi, Richard Lobo, P. Patil, Nikit Biraj, Naimahmed Nesaragi
{"title":"An Efficient 64-point Pipelined FFT Engine","authors":"J. Rudagi, Richard Lobo, P. Patil, Nikit Biraj, Naimahmed Nesaragi","doi":"10.1109/ARTCOM.2010.31","DOIUrl":"https://doi.org/10.1109/ARTCOM.2010.31","url":null,"abstract":"The Fast Fourier Transform (FFT) is a very important algorithm in signal processing, software defined radio and the most promising modulation technique i.e. Orthogonal Frequency Division Multiplexing (OFDM). This paper describes the design and implementation of a fully pipelined 64-point FFT engine in programmable logic. The FFT takes 16-bit fixed point complex numbers as input and after a known pipelined latency of 20 clock cycles produces the desired output. The input data samples are fed in parallel to the FFT engine to generate outputs in parallel. The architecture is capable of performing FFT operation without changing the internal coefficients which makes it highly suitable for practical applications. The architecture requires 25% multiplication operations compared to conventional Cooley-Tukey approach. Hence it leads to low power and area saving.","PeriodicalId":398854,"journal":{"name":"2010 International Conference on Advances in Recent Technologies in Communication and Computing","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117302601","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
An Improved Route Maintenance Strategy for QoS Based AODV Routing Protocol 一种改进的基于QoS的AODV路由协议路由维护策略
Bibhash Roy, Suman Banik, N. Chaki, B. Saha
{"title":"An Improved Route Maintenance Strategy for QoS Based AODV Routing Protocol","authors":"Bibhash Roy, Suman Banik, N. Chaki, B. Saha","doi":"10.1109/ARTCOM.2010.62","DOIUrl":"https://doi.org/10.1109/ARTCOM.2010.62","url":null,"abstract":"The challenges of mobile ad hoc network are to maintain quality of services and performance. Many routing protocols like AODV discover routes whenever required by the source node and the benefit in doing so is that no prior knowledge of the topology is required. The AODV routing protocol is commonly and effectively used for mobile, ad-hoc nodes [4, 7, 8, 15, 22, 23]. So far, many maintenance strategies have been proposed on AODV to provide better QoS services [7, 10, 19, 21] performances. Some has used the radio propagation characteristics of mobile nodes in ad hoc network [12, 23] during route maintenance [22]. Some modification has been done on computation of delay parameter [16, 19, 22]. The other modification was on multi route selection during route discovery considering only delay as QoS parameter [5, 23]. This paper aims towards proposing a new route maintenance strategy with multiple options that will lead to better performance during link failure on a route. During route discovery and route reply procedure [26] two different QoS parameters considered here are delay and bandwidth. The routes should be selected during route discovery process. The route maintenance strategy may be applied to both the routes independently and simultaneously by the internal nodes where the link failure has occurred.","PeriodicalId":398854,"journal":{"name":"2010 International Conference on Advances in Recent Technologies in Communication and Computing","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116167334","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
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