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Design and Performance Analysis of Deflection Routing Based Intelligent Optical Burst Switched (OBS) Network 基于偏转路由的智能光突发交换(OBS)网络设计与性能分析
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738530
M. K. Dutta, V. K. Chaubey
{"title":"Design and Performance Analysis of Deflection Routing Based Intelligent Optical Burst Switched (OBS) Network","authors":"M. K. Dutta, V. K. Chaubey","doi":"10.1109/ICDECOM.2011.5738530","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738530","url":null,"abstract":"Optical burst switching (OBS) is a promising switching technology for realization of terabit optical network. However, the lack of optical processing capability results in increased blocking probability and limits the network performance. Efficient contention resolution is therefore necessary. Optical burst-switched networks are usually implemented using efficient contention resolution protocols like deflection routing, however deflection routing approach resolves the congestion by exploiting alternate available paths and utilizes the resources effectively. If contention is resolved by traditional deflection routing then there is no guarantee that the control packet will be able to reserve all the wavelengths successfully up to the destination on the alternate path, especially in a high traffic load situation. The present paper proposes a scheme of deflection routing by assigning suitable wavelengths to various routed paths based on respective traffic to be routed. A mathematical model for the same has been developed and the network performance has been simulated using MATLAB to establish congestion performance of the proposed scheme.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130570092","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
An Improved Symmetric Key Cryptography with DNA Based Strong Cipher 一种改进的基于DNA的强密码对称密钥加密
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738553
Bibhash Roy, Gautam Rakshit, Pratim Singha, Atanu Majumder, D. Datta
{"title":"An Improved Symmetric Key Cryptography with DNA Based Strong Cipher","authors":"Bibhash Roy, Gautam Rakshit, Pratim Singha, Atanu Majumder, D. Datta","doi":"10.1109/ICDECOM.2011.5738553","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738553","url":null,"abstract":"Cryptography is one of the major concerned areas of computer and data security and a very promising direction in cryptography research is known as DNA Cryptography. DNA computational logic can be used in cryptography for encrypting, storing and transmitting the information, as well as for computation. Although in its primitive stage, DNA cryptography is shown to be very effective. In this paper, a proposal is given where the concept of DNA is being used in the encryption and decryption process. The theoretical analysis and implementations shows this method to be efficient in computation, storage and transmission; and it is very powerful against certain attacks. This paper also proposes a unique cipher text generation procedure as well as a new key generation procedure. Finally, to demonstrate the performance of the proposed method, its implementation is explained and the results are analyzed.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122233930","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: 50
Position Matching Based Autonomous Speed Regulation System for Vehicles 基于位置匹配的车辆自动调速系统
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738527
Muzahid Hussain, A. Tayal, Sarabjot Singh
{"title":"Position Matching Based Autonomous Speed Regulation System for Vehicles","authors":"Muzahid Hussain, A. Tayal, Sarabjot Singh","doi":"10.1109/ICDECOM.2011.5738527","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738527","url":null,"abstract":"Abstract- A novel approach for creating an advisory/regulatory environment to limit the maximum running speed of the vehicle is presented. This paper deals with creating an onboard speed regulation module for vehicles which can monitor as well as control their instantaneous speed in comparison with the maximum permissible speed of that location. The location is obtained using position tracking technology of GPS and GSM system. The work discusses the unique position matching algorithm developed and design details of the proposed on-board module for limiting vehicle's speed. The algorithm continuously compares the actual speed of the vehicle with its corresponding location based limits obtained through the developed database and thus provides: a) An advisory signal to the driver about the need for a reduction in speed. b) An automatic restriction of the speed below the prescribed limits.The algorithm matches the position with the geographical zone already defined in the database and compares the actual speed with the limit of the corresponding zone on an intermittent basis, depending on the execution time of the processing cycle. The algorithm developed tracks the vehicle position using data acquired from both GPS and GSM receivers which lead to increased efficiency, reduced complexity and processing time in contrast to the conventional methods.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122406237","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
Comparative Analysis of Curvelet Based Techniques for Denoising of Computed Tomography Images 基于曲线波的计算机断层图像去噪方法的比较分析
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738492
H. Bhadauria, M. Dewal, R. S. Anand
{"title":"Comparative Analysis of Curvelet Based Techniques for Denoising of Computed Tomography Images","authors":"H. Bhadauria, M. Dewal, R. S. Anand","doi":"10.1109/ICDECOM.2011.5738492","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738492","url":null,"abstract":"The purpose of this paper is to carry out the performance assessment of the noise reduction methods on the brain Computed Tomography (CT) images. In particular, total three multiscale geometric curvelet based denoising methods are evaluated and compared with wavelet based methods. The experimental results show that cycle spinning based curvelet method outperforms other curvelet based methods as well as the wavelet based methods. This comparative study is focused not only on the noise suppression but also on fine details and edge preservation. The quality assessment parameters used in this paper are Signal-to-noise-ratio (SNR), Peak-signal-to-noise-ratio (PSNR), Universal Quality Index (UQI) and Edge keeping index (EKI).","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121577583","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
Enhancing Throughput Efficiency of Adhoc Wireless Networks Using Cognitive Radio Approach 利用认知无线电方法提高Adhoc无线网络的吞吐量效率
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738545
Charushila Axay Patel, Sanjay Kumar
{"title":"Enhancing Throughput Efficiency of Adhoc Wireless Networks Using Cognitive Radio Approach","authors":"Charushila Axay Patel, Sanjay Kumar","doi":"10.1109/ICDECOM.2011.5738545","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738545","url":null,"abstract":"The goal of the paper is to enhance the throughput efficiency of wireless adhoc networks. An adhoc network is a collection of wireless mobile hosts forming a temporary network without the aid of any established infrastructure or centralized administration. Each node is considered to be alike here. It is needed to introduce some intelligence to the adhoc networks in order to improve their throughput efficiency. The concept of Cognitive Radio (CR) has been employed to achieve this. CR enabled devices are 'clever' and can listen to the surrounding wireless environment and can select appropriate frequency band, modulation scheme or specific power level as per the requirement. In this way an ability of self decision making can be incorporated in the wireless adhoc networks. Our work presented in this paper shows an initial direction towards the future research possibilities for the implementation of the CR for self aware and self organized adhoc wireless networks.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128783115","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
Performance Analysis of IPv6-Based Handovers in Wireless Heterogeneous Networks 无线异构网络中基于ipv6的切换性能分析
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738565
N. P. Singh, Brahmjit Singh
{"title":"Performance Analysis of IPv6-Based Handovers in Wireless Heterogeneous Networks","authors":"N. P. Singh, Brahmjit Singh","doi":"10.1109/ICDECOM.2011.5738565","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738565","url":null,"abstract":"Integration of IP based wireless networks in 4G makes seamless handover an important issue. Fast handover uses anticipation of future events based on L2 trigger information for reducing handover latency. Therefore it is necessary to evaluate and compare Mobile IPv6 protocol with other existing mobility management protocols in terms of handoff latency and packet loss. In this paper, performance of IP-based mobility management protocols have been compared by investigating the effect of L2 triggering time, packet arrival rate and average queuing delay on handoff latency and packet loss. Numerical results show that L2 triggering time, packet arrival rate and average queuing delay are important factor for optimization of handover performance.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132367449","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
Outage Analysis of User Scheduling with Antenna Selection in Multiuser Two-Way AF Relaying 多用户双向自动对焦中继中带天线选择的用户调度中断分析
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738524
P. K. Upadhyay, S. Prakriya
{"title":"Outage Analysis of User Scheduling with Antenna Selection in Multiuser Two-Way AF Relaying","authors":"P. K. Upadhyay, S. Prakriya","doi":"10.1109/ICDECOM.2011.5738524","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738524","url":null,"abstract":"We investigate the outage performance of a user scheduling with antenna selection (USAS) scheme for a cellular multiuser two-way relay system over a Rayleigh flat-fading environment. Here, a multi- antenna base station communicates with several mobile users via an amplify-and-forward (AF) relay. The USAS strategy opportunistically selects the best user among multiple users and the best antenna at the base station for bidirectional communication such that the overall system outage probability is minimized. We derive an exact expression for outage probability of the considered scheme that is applicable for all values of signal-to-noise ratio (SNR). To gain better insights and identify key parameters, we present an approximate expression of outage probability in closed-form under a high SNR assumption. Finally, we highlight the impact of antenna selection on the achievable diversity of the considered scheme under various channel conditions. Numerical and simulation results are presented to confirm the performance gain of the considered scheme.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132321973","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
Gradual Removal of Secondary User in Cognitive-CDMA Spectrum Underlay Network 认知cdma频谱底层网络中二次用户的逐步去除
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738471
Sanjay Dhar Roy, S. Kundu
{"title":"Gradual Removal of Secondary User in Cognitive-CDMA Spectrum Underlay Network","authors":"Sanjay Dhar Roy, S. Kundu","doi":"10.1109/ICDECOM.2011.5738471","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738471","url":null,"abstract":"In this paper, Cognitive Radio CDMA networks have been modeled and performances of primary user (PU) and secondary user (SU) have been investigated. PUs communicate to BS in our assumed model. However, SUs form pair wise ad hoc networks to maximize their data rates. In the process, they may interfere heavily in uplink at the BS. An efficient signal strength based algorithm has been proposed for gradual removal of SU links creating heavy interference at the BS. Further, performances of PUs and SUs have been analyzed with and without considering the removal algorithm.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134230006","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
Low Complexity Near Optimal Multiuser Detection Scheme for SDMA-OFDM System SDMA-OFDM系统的低复杂度近最优多用户检测方案
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738463
B. Praveen, Susmita Das
{"title":"Low Complexity Near Optimal Multiuser Detection Scheme for SDMA-OFDM System","authors":"B. Praveen, Susmita Das","doi":"10.1109/ICDECOM.2011.5738463","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738463","url":null,"abstract":"SDMA (Space-Division Multiple Access) is a MIMO (Multiple-Input and Multiple-Output) based wireless communication network architecture which has the potential to significantly increase the spectral efficiency and system performance. So far several multiuser detection (MUD) schemes like Zero Forcing (ZF), Minimum Mean Square Error estimation (MMSE), ordered successive interference cancellation (OSIC) and maximum likelihood (ML) detection have been proposed by various researchers. Among them, maximum likelihood (ML) detection scheme provides the minimum bit error rate (BER). However, the complexity of ML detection increases exponentially with the constellation size of modulation and number of users. The M-algorithm combined with QR decomposition (QRD-M) can be substitute to ML detection due its low complexity and it's near optimal performance. In this paper the complexity of QRD-M scheme is compared with ML by means of number of foundational operations and the elapsed time.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134473793","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
Channel Estimation for Wavelet Based OFDM System 基于小波的OFDM系统信道估计
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738465
M. Gupta, Sarika Shrivastava, A. S. Raghuvanshi, S. Tiwari
{"title":"Channel Estimation for Wavelet Based OFDM System","authors":"M. Gupta, Sarika Shrivastava, A. S. Raghuvanshi, S. Tiwari","doi":"10.1109/ICDECOM.2011.5738465","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738465","url":null,"abstract":"Orthogonal frequency division multiplexing (OFDM) is multi carrier modulation scheme. The channel estimation is a process of characterizing the effect of the transmission channel on the input signal. In this paper we compare the performance of Least Square (LS) and Linear Minimum Mean Square Error (LMMSE) channel estimation technique for Wavelet based OFDM system. The channel estimation based on block type pilot arrangement is performed by sending pilots at every sub-channel and using this estimation for a specific number of following symbols. In this paper we used wavelet transform instead of fast Fourier transform (FFT), which have more bandwidth efficiency, less prone to Doppler shift and also complexity of order O(N) as opposed to the FFTs O(Nlog2N).","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133726457","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
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