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FPGA Implementation of Adaptive Mode PAPR Reduction for Cognitive Radio Applications 认知无线电应用中自适应模式PAPR降低的FPGA实现
2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI: 10.1109/CSNT.2011.97
C. V. Arasu, Satyashil Nagrale, G. Lakshminarayanan
{"title":"FPGA Implementation of Adaptive Mode PAPR Reduction for Cognitive Radio Applications","authors":"C. V. Arasu, Satyashil Nagrale, G. Lakshminarayanan","doi":"10.1109/CSNT.2011.97","DOIUrl":"https://doi.org/10.1109/CSNT.2011.97","url":null,"abstract":"PAPR reduction algorithms exist in the literature, are often effective for specific scenarios. The proposed adaptive mode PAPR reduction algorithm chooses the mode best suited for different transmission conditions in order to achieve a substantial reduction in PAPR for most scenarios which is essential in Cognitive radio. It was proposed in our previous paper that linear combination can be combined with sub carrier phase adjustment for achieving greater reduction in PAPR. The adaptive mode PAPR algorithm proposed in this work can choose either sub carrier phase adjustment or linear combination method or a combination of both according to the PAPR value of an incoming OFDM symbols. The proposed method can have a better than 5 dB reductions in the Peak to Average Power Ratio (PAPR) of an OFDM signal which is suitable for cognitive radio applications.","PeriodicalId":294850,"journal":{"name":"2011 International Conference on Communication Systems and Network Technologies","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123440081","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
Security Aspects of the Extended Playfair Cipher 扩展Playfair密码的安全性
2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI: 10.1109/CSNT.2011.37
Shiv Shakti Srivastava, N. Gupta
{"title":"Security Aspects of the Extended Playfair Cipher","authors":"Shiv Shakti Srivastava, N. Gupta","doi":"10.1109/CSNT.2011.37","DOIUrl":"https://doi.org/10.1109/CSNT.2011.37","url":null,"abstract":"The well known multiple letter encryption cipher is the Playfair cipher. Here the digrams in the plaintext are treated as single units and converted into corresponding cipher text digrams. However because of the drawbacks inherent in the 5*5 Playfair cipher which adversely affects the security we proposed an 8*8 Playfair cipher and then coupled it with LFSR (Linear Feedback Shift Register) to make the traditional Playfair cipher at par with the advanced ciphers available like AES and DES. For details one can refer to [1]. Now for all practical applications, performance and speed are also prime concerns besides security. The LFSR not only enhances the security up to a considerable level by generating random sequences but also provides a much faster rate of encryption and decryption. This paper deals in with the security issues of the new proposed system. Various types of cryptography attacks have been taken under consideration and the resistance of the proposed cipher to all these attacks has been discussed. At the end we find that the proposed cipher is not vulnerable to attacks.","PeriodicalId":294850,"journal":{"name":"2011 International Conference on Communication Systems and Network Technologies","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124829392","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: 18
Non-destructive Quality Evaluation of Chocolate Chip Cookies 巧克力饼干无损质量评价
2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI: 10.1109/CSNT.2011.149
Parth Parikh, P. Mehta, C. Modi
{"title":"Non-destructive Quality Evaluation of Chocolate Chip Cookies","authors":"Parth Parikh, P. Mehta, C. Modi","doi":"10.1109/CSNT.2011.149","DOIUrl":"https://doi.org/10.1109/CSNT.2011.149","url":null,"abstract":"Machine vision based non destructive quality evaluation of bakery products is important in terms of consumer satisfaction. The chocolate chip cookies need clear classification in terms of quality. To satisfy this need we need to consider more number of parameters to evaluate the quality. In this paper we propose to use four different parameters: number of chocolate chips, area efficiency of cookie, single chip area efficiency and uniform distribution of chocolate chips are defined. Based on them an overall quality parameter is defined. A novel and simple algorithm to evaluate the overall quality using machine vision techniques is proposed.","PeriodicalId":294850,"journal":{"name":"2011 International Conference on Communication Systems and Network Technologies","volume":"514 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122901529","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
A CPW Fed Complementing C-Shaped Patch Antenna for Broadband Communication 一种用于宽带通信的CPW馈源与c型贴片天线互补
2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI: 10.1109/CSNT.2011.53
R. Suryanarayana, Una Chandra Sekhar, A. Mohanty, A. Panda, R. K. Mishra
{"title":"A CPW Fed Complementing C-Shaped Patch Antenna for Broadband Communication","authors":"R. Suryanarayana, Una Chandra Sekhar, A. Mohanty, A. Panda, R. K. Mishra","doi":"10.1109/CSNT.2011.53","DOIUrl":"https://doi.org/10.1109/CSNT.2011.53","url":null,"abstract":"In this paper, a planar complementing C-shape patch antenna is presented. The optimal design of this antenna offers broadband operation with reasonable radiation pattern. The antenna is modeled as parallel RLC circuit. This compact antenna is realized by employing Duality concept. The antenna achieves-32 dB return loss bandwidth over 2.4 GHz to 4.22 GHz with the resonant frequency at 3.5 GHz, which covers WiMAX and WLAN applications. The CST Microwave studio is employed for designing the antenna. The antenna is fed by a 50-ohm coplanar waveguide (CPW) to make the structure purely planar. The major parameters that influence the performance of the antenna are investigated.","PeriodicalId":294850,"journal":{"name":"2011 International Conference on Communication Systems and Network Technologies","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129653583","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
Green Computing - A New Horizon of Energy Efficiency and Electronic Waste Minimization: A Global Perspective 绿色计算-能源效率和电子废物最小化的新视野:全球视角
2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI: 10.1109/CSNT.2011.148
Shalabh Agarwal, A. Nath
{"title":"Green Computing - A New Horizon of Energy Efficiency and Electronic Waste Minimization: A Global Perspective","authors":"Shalabh Agarwal, A. Nath","doi":"10.1109/CSNT.2011.148","DOIUrl":"https://doi.org/10.1109/CSNT.2011.148","url":null,"abstract":"Due to tremendous growth of Industrial activities throughout the globe, the climate of the earth is gradually changing. The Increase awareness of climate change and more concern for the environment, has forced the big industries to review their environmental credentials. The Global IT sector, for example, accounts for between two and three percent of the world's total carbon dioxide emissions which contribute towards global warming and climate change. So if the IT companies are increasing exponentially then the global warming will be more and more. Keeping all these facts the companies throughout the world are now paying more attention to Green IT as an initiative towards cost savings and a greener environment. However, a significant percentage of total population of the globe unaware of the various good practices in ICT towards Green IT. In the present work the authors tried to make a systematic study on the issues of climate change and also explore green computing from the business and IT perspective, and also to find the best practices of green computing into the users of ICT.","PeriodicalId":294850,"journal":{"name":"2011 International Conference on Communication Systems and Network Technologies","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128557097","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: 47
Tabu Search Algorithm for Core Selection in Multicast Routing 多播路由核心选择的禁忌搜索算法
2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI: 10.1109/CSNT.2011.11
S. Sahoo, M. R. Kabat, A. Sahoo
{"title":"Tabu Search Algorithm for Core Selection in Multicast Routing","authors":"S. Sahoo, M. R. Kabat, A. Sahoo","doi":"10.1109/CSNT.2011.11","DOIUrl":"https://doi.org/10.1109/CSNT.2011.11","url":null,"abstract":"With the development of network multimedia technology, more and more real-time multimedia applications need to transmit information using multicast. The basis of multicast data transmission is to construct a multicast tree. The main problem concerning the construction of a shared multicast tree is the selection of the root of the shared tree or the core point. In this paper, we propose an algorithm based on Tabu Search for core selection in multicast routing. This algorithm selects core point by considering both delay and inter-destination delay variation. The simulation results show that the proposed algorithm performs better than the existing algorithms in terms of delay variation subject to the end-to-end delay bound.","PeriodicalId":294850,"journal":{"name":"2011 International Conference on Communication Systems and Network Technologies","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116487144","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
Modeling of Sigma-Delta Modulator Non-Idealities in MATLAB/SIMULINK Sigma-Delta调制器在MATLAB/SIMULINK中的非理想性建模
2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI: 10.1109/CSNT.2011.112
S. Jaykar, P. Palsodkar, P. Dakhole
{"title":"Modeling of Sigma-Delta Modulator Non-Idealities in MATLAB/SIMULINK","authors":"S. Jaykar, P. Palsodkar, P. Dakhole","doi":"10.1109/CSNT.2011.112","DOIUrl":"https://doi.org/10.1109/CSNT.2011.112","url":null,"abstract":"Switched capacitor (SC) modulator performance is prone to various nonidealities, especially at integrator stage, which affects overall circuit performance. In this paper a set of models are proposed which takes into account SC sigma-delta (ÓÄ) modulator nonidealities, such as sampling jitter since switching circuitry is included, kT/C noise, and operational amplifier parameters (noise, finite dc gain, finite bandwidth, slew-rate and saturation voltages). Each nonidealities are modelled mathematically and their behaviour is verified using different analysis in MATLAB Simulink. Description of the considered effect described herewith simulation results and implementative details. Simulation results on a second-order SC ÓÄ modulator demonstrate the validity of the models proposed.","PeriodicalId":294850,"journal":{"name":"2011 International Conference on Communication Systems and Network Technologies","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127034344","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
Analysis of Different Clustering Approaches for Grouping Users on the Basis of GSM Call Logs 基于GSM通话记录的不同用户分组方法分析
2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI: 10.1109/CSNT.2011.162
S. S. Deshpande, N. Chauhan
{"title":"Analysis of Different Clustering Approaches for Grouping Users on the Basis of GSM Call Logs","authors":"S. S. Deshpande, N. Chauhan","doi":"10.1109/CSNT.2011.162","DOIUrl":"https://doi.org/10.1109/CSNT.2011.162","url":null,"abstract":"Analysis of Location-aware data plays an important role in pervasive and mobile computing. In cellular systems (e.g., GSM) the serving cell is easily available as an indication of the user location, without any additional hardware or network services. With this location data and other context variables groups of mobile users who are advertised to the found together can be traced. The objective of this paper is to review the works carried out by different group of researchers using varied techniques in Discovering User context, Mobility Prediction of Mobile users, Discovering social groups, Fraud detection in mobile communications networks etc.","PeriodicalId":294850,"journal":{"name":"2011 International Conference on Communication Systems and Network Technologies","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126937015","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
Energy Efficient Adiabatic Logic for Low Power VLSI Applications 低功耗VLSI应用的高能效绝热逻辑
2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI: 10.1109/CSNT.2011.100
A. Maurya, G. Kumar
{"title":"Energy Efficient Adiabatic Logic for Low Power VLSI Applications","authors":"A. Maurya, G. Kumar","doi":"10.1109/CSNT.2011.100","DOIUrl":"https://doi.org/10.1109/CSNT.2011.100","url":null,"abstract":"This paper proposes a Adder circuit based on energy efficient two-phase clocked adiabatic logic. a simulative investigation on the proposed 1-bit full adder has been implemented with the proposed technique and thence compared with standard CMOS, Positive Feedback Adiabatic Logic (PFAL) and Two-Phase Adiabatic Static Clocked Logic (2PASCL) respectively. Comparison has shown a significant power saving to the extent of 70% in case of proposed technique as compared to CMOS logic in 10 to 200MHz transition frequency range.","PeriodicalId":294850,"journal":{"name":"2011 International Conference on Communication Systems and Network Technologies","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124006848","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: 32
Software Buying Behaviour of Consumer: A Factor Analysis Approach 消费者的软件购买行为:一个因素分析方法
2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI: 10.1109/CSNT.2011.144
S. Giri, H. Mishra, Vishal S. Sharma
{"title":"Software Buying Behaviour of Consumer: A Factor Analysis Approach","authors":"S. Giri, H. Mishra, Vishal S. Sharma","doi":"10.1109/CSNT.2011.144","DOIUrl":"https://doi.org/10.1109/CSNT.2011.144","url":null,"abstract":"Today is the age of information we can have it as and when required this kind of freedom is hampering the software industry in a very big way & one of which is piracy of software. The decision to use or not to use pirated or freely available software on the net depends on the individual's ethical standard. A person's ethical and moral inclination across various ethical dilemmas may indicate their likelihood to pirate software. This paper explores the different factors that consumer considers before going for the free downloading, pirating or purchasing particular software.","PeriodicalId":294850,"journal":{"name":"2011 International Conference on Communication Systems and Network Technologies","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127650230","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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