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2014 First International Conference on Computational Systems and Communications (ICCSC)最新文献

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Low power SRAM design using independent gate FinFET at 30nm technology 采用30nm独立栅极FinFET技术的低功耗SRAM设计
2014 First International Conference on Computational Systems and Communications (ICCSC) Pub Date : 2014-12-01 DOI: 10.1109/COMPSC.2014.7032620
Prathamesh Chodankar, Indraneel Suryavanshi, A. Gangad
{"title":"Low power SRAM design using independent gate FinFET at 30nm technology","authors":"Prathamesh Chodankar, Indraneel Suryavanshi, A. Gangad","doi":"10.1109/COMPSC.2014.7032620","DOIUrl":"https://doi.org/10.1109/COMPSC.2014.7032620","url":null,"abstract":"Energy efficient and low power circuit designing has become challenging for many years. Now a day in Modern 1C designing, SRAM design somewhat significant because it will occupy more space on a die and consumes large fraction of energy of the chip. Scaling of conventional CMOS circuit leads to have short channel effects due to which, effect such as drain induced barrier lowering, hot electron effect, punch through etc. takes place and hence leakage power increases in the transistor. In this paper, to minimize short channel effects, we have designed SRAM cell using double gate FinFET. FinFET may be the most promising device in the LSI (large scale integration) circuits because it realizes the self-aligned double-gate structure easily. Simulation is performed with Cadence virtuoso tool. The low power in SRAM is achieved by driving the two gates of FinFET independently. We have designed some SRAM circuits using FinFET and compared their results. After that, using the best configuration we have designed 8×8 memory array.","PeriodicalId":388270,"journal":{"name":"2014 First International Conference on Computational Systems and Communications (ICCSC)","volume":"287 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133114149","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
MIMO-OFDM frequency offset estimation for Rayleigh fading channels 瑞利衰落信道的MIMO-OFDM频偏估计
2014 First International Conference on Computational Systems and Communications (ICCSC) Pub Date : 2014-12-01 DOI: 10.1109/COMPSC.2014.7032646
S. Aswini, B. Lekshmi, Suma Sekhar, S. Pillai
{"title":"MIMO-OFDM frequency offset estimation for Rayleigh fading channels","authors":"S. Aswini, B. Lekshmi, Suma Sekhar, S. Pillai","doi":"10.1109/COMPSC.2014.7032646","DOIUrl":"https://doi.org/10.1109/COMPSC.2014.7032646","url":null,"abstract":"As the number of applications that make use of digital communication is increasing; the need of increased data rate and efficient use of the available bandwidth is also increasing. The use of Orthogonal Frequency Division Multiplexing (OFDM) technique in Multiple Input Multiple Output (MIMO) systems, often called as MIMO-OFDM systems helps to provide high spectral efficiency and increased data throughput. But, they are often subjected to synchronisation errors. Frequency synchronisation error in OFDM systems is caused by the Carrier Frequency Offset (CFO) which will result in loss of the subcarrier orthogonality leading to Inter Carrier Interference (ICI). In this paper, a comparison of the time domain and frequency domain CFO estimation techniques is done for the MIMO-OFDM systems for both flat fading and frequency selective multipath Rayleigh fading channels. Also a new Cyclic Suffix (CS) - based CFO estimation technique is proposed with improved CFO estimation range. The performance of the algorithms is evaluated through simulation in MATLAB.","PeriodicalId":388270,"journal":{"name":"2014 First International Conference on Computational Systems and Communications (ICCSC)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132587658","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
Automatic loop shaping of QFT robust controller for load frequency control via nonlinear quadratic inequalities 基于非线性二次不等式的负载频率控制QFT鲁棒控制器的自动环路整形
2014 First International Conference on Computational Systems and Communications (ICCSC) Pub Date : 2014-12-01 DOI: 10.1109/COMPSC.2014.7032684
G. S. A. Rani, N. Beena
{"title":"Automatic loop shaping of QFT robust controller for load frequency control via nonlinear quadratic inequalities","authors":"G. S. A. Rani, N. Beena","doi":"10.1109/COMPSC.2014.7032684","DOIUrl":"https://doi.org/10.1109/COMPSC.2014.7032684","url":null,"abstract":"The large scale power systems are liable to performance deterioration due to the presence of sudden small load perturbations and parameter uncertainties. Due to this, modern control aspects are very important in Load Frequency Control (LFC). This paper presents a robust load frequency controller design based on Quantitative Feedback Theory (QFT). QFT is an engineering control design methodology that explicitly emphasizes the use of feedback to simultaneously and quantitatively reduce the effect of plant uncertainty and satisfy performance specifications. This new controller method not only handles the parametric uncertainty in power system, but also covers a wide range of load changes. This paper also presents automatic loop shaping phase in the QFT design, inorder to synthesize an optimal controller.","PeriodicalId":388270,"journal":{"name":"2014 First International Conference on Computational Systems and Communications (ICCSC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129787254","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
Quality enhancement of adaptively compressed images using bit plane removal 使用位平面去除自适应压缩图像的质量增强
2014 First International Conference on Computational Systems and Communications (ICCSC) Pub Date : 2014-12-01 DOI: 10.1109/COMPSC.2014.7032659
Baby Vijilin, R. Shreelekshmi
{"title":"Quality enhancement of adaptively compressed images using bit plane removal","authors":"Baby Vijilin, R. Shreelekshmi","doi":"10.1109/COMPSC.2014.7032659","DOIUrl":"https://doi.org/10.1109/COMPSC.2014.7032659","url":null,"abstract":"We propose a quality enhancement algorithm for linear adaptive compression using bit plane reduction. Compression is based on the observation that least significant bit(LSB) planes can be removed without affecting the perceptual quality of the image. It also makes use of the fact that the bits in a bit plane repeat and hence can be compressed losslessly by encoding. At the receiver end, the quality of decompressed image is improved by random bit replacement. The proposed method can be used for image quality enhancement after lossy compression or near lossless compression. The proposed method has comparable compression ratio at better PSNR and less computational complexity in comparison to JPEG 2000. It achieves better compression ratio in comparison to TIFF at same perceptual quality. The time complexity of the proposed method is only O(n).","PeriodicalId":388270,"journal":{"name":"2014 First International Conference on Computational Systems and Communications (ICCSC)","volume":"229 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120976576","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 new Luby transform based wireless broadcast system 一种基于鲁比变换的无线广播系统
2014 First International Conference on Computational Systems and Communications (ICCSC) Pub Date : 2014-12-01 DOI: 10.1109/COMPSC.2014.7032622
U. Rajanasree, V. Lakshmi
{"title":"A new Luby transform based wireless broadcast system","authors":"U. Rajanasree, V. Lakshmi","doi":"10.1109/COMPSC.2014.7032622","DOIUrl":"https://doi.org/10.1109/COMPSC.2014.7032622","url":null,"abstract":"Luby Transform (LT) codes are the first realization of a class of erasure codes, usually known as universal erasure codes. LT codes were originally designed for Binary Erasure Channel (BEC), but for the sake of transmitting data reliably over the wireless broadcast channels, LT codes have to be combined with classical channel codes. This paper proposes a new model for LT code based wireless broadcast system by concatenating LT codes with Shannon-limit approaching LDPC codes. The normal Hard decoding scheme of LT codes is replaced with HSHD scheme and iterative channel estimation and decoding is used for LDPC codes. Simulation results show that the iterative channel estimation and decoding combined with HSHD outperforms the other decoding schemes in terms of BER.","PeriodicalId":388270,"journal":{"name":"2014 First International Conference on Computational Systems and Communications (ICCSC)","volume":"257 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117352993","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 low complex 10-band non-uniform FIR digital filter bank using frequency response masking technique for hearing aid 基于频率响应掩蔽技术的助听器用低复10波段非均匀FIR数字滤波器组
2014 First International Conference on Computational Systems and Communications (ICCSC) Pub Date : 2014-12-01 DOI: 10.1109/COMPSC.2014.7032641
A. Sebastian, M. N. Ragesh, T. G. James
{"title":"A low complex 10-band non-uniform FIR digital filter bank using frequency response masking technique for hearing aid","authors":"A. Sebastian, M. N. Ragesh, T. G. James","doi":"10.1109/COMPSC.2014.7032641","DOIUrl":"https://doi.org/10.1109/COMPSC.2014.7032641","url":null,"abstract":"This paper presents a low complex design of a non-uniformly spaced digital finite impulse response (FIR) filter bank for digital hearing aid application. Frequency response masking (FRM) technique is used for the implementation of 10 non-uniformly spaced subband filters. FRM technique ensure the drastic reduction in the number of multipliers and adders in linear phase FIR filter. It employs two half-band filters as prototype filters, which leads to significant savings in terms of arithmetic operations. Further reduction can be achieved by using a masking filter with minimum order. The simulation result shows that the proposed filter bank with stop band attenuation of 80 dB can be achieved with 10 multipliers. The audiogram fitting with the selected audiogram gives a maximum matching error of 2 dB. From the audiogram matching result, it can be seen that the introduction of non-uniformly spaced filter bank improves the audiogram matching especially for sharp transition in hearing losses at low and high frequencies.","PeriodicalId":388270,"journal":{"name":"2014 First International Conference on Computational Systems and Communications (ICCSC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128159619","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: 11
Video image processing for moving object detection and segmentation using background subtraction 视频图像处理中使用背景减法对运动目标进行检测和分割
2014 First International Conference on Computational Systems and Communications (ICCSC) Pub Date : 2014-12-01 DOI: 10.1109/COMPSC.2014.7032664
Anaswara S, Mohan Resmi
{"title":"Video image processing for moving object detection and segmentation using background subtraction","authors":"Anaswara S, Mohan Resmi","doi":"10.1109/COMPSC.2014.7032664","DOIUrl":"https://doi.org/10.1109/COMPSC.2014.7032664","url":null,"abstract":"Moving objects often contain almost important information for surveillance videos, traffic monitoring, human motion capture etc. Background subtraction methods are widely exploited for moving object detection in videos in many applications. Moving object segmentation is the application in video processing. Segmentation helps in detecting various features of moving objects for further video/image processing. In this paper object detection and segmentation is proposed and they are compared using background subtraction algorithm (object detection) and segmentation algorithm (edge detection and thresholding). The experiment results show that the proposed method gives better results.","PeriodicalId":388270,"journal":{"name":"2014 First International Conference on Computational Systems and Communications (ICCSC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128975456","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: 36
Cost effective load balancing based on honey bee behaviour in cloud environment 云环境下基于蜜蜂行为的高效负载均衡
2014 First International Conference on Computational Systems and Communications (ICCSC) Pub Date : 2014-12-01 DOI: 10.1109/COMPSC.2014.7032650
Y. Sheeja, S. Jayalekshmi
{"title":"Cost effective load balancing based on honey bee behaviour in cloud environment","authors":"Y. Sheeja, S. Jayalekshmi","doi":"10.1109/COMPSC.2014.7032650","DOIUrl":"https://doi.org/10.1109/COMPSC.2014.7032650","url":null,"abstract":"In cloud computing environment, the load balancing of non pre-emptive independent tasks is an important aspect of task scheduling. The tasks are executed on Virtual Machines (VMs) and these VMs are run in parallel so that the load has to be well balanced across all VMs. Since the cloud user pay for the service he/she is interested in reducing the execution time of task as well as the cost of using VM instances (CPU, Memory, Bandwidth etc). The proposed algorithm balance the load across VMs effectively by mapping tasks to under loaded or idle VMs based on the foraging behaviour of honey bees and if there is more than one under loaded VMs, it also selects cost efficient one using Pareto dominance strategy. The experimental results show that the algorithm is effective when compared with existing algorithms and it also reduces the cost of using VM instances.","PeriodicalId":388270,"journal":{"name":"2014 First International Conference on Computational Systems and Communications (ICCSC)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129943485","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: 33
A detailed study of electromagnetic radiation from mobile towers and effect of natural shielding materials 详细研究了移动信号塔的电磁辐射及天然屏蔽材料的影响
2014 First International Conference on Computational Systems and Communications (ICCSC) Pub Date : 2014-12-01 DOI: 10.1109/COMPSC.2014.7032667
K. R. Vijesh, Hradya B. Kurap, P. Mohanan, V. Nampoori, G. Bindu
{"title":"A detailed study of electromagnetic radiation from mobile towers and effect of natural shielding materials","authors":"K. R. Vijesh, Hradya B. Kurap, P. Mohanan, V. Nampoori, G. Bindu","doi":"10.1109/COMPSC.2014.7032667","DOIUrl":"https://doi.org/10.1109/COMPSC.2014.7032667","url":null,"abstract":"Electromagnetic radiations are inevitable part of twenty first century. The major sources of electromagnetic radiations are mobile phones and mobile towers. Enormous increase of mobile phone users cause high intensity electromagnetic radiation. This paper analyzes the effect of electromagnetic radiation on the growth of different seeds and also checks effect of different natural shielding materials. A statistical analysis of the radiation intensity in different regions of Cochin Corporation and Trivandrum are also tabulated using emr meter and compared with the bio-initiative report.","PeriodicalId":388270,"journal":{"name":"2014 First International Conference on Computational Systems and Communications (ICCSC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130632046","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
Seizure detection using median based feature 基于中值特征的癫痫检测
2014 First International Conference on Computational Systems and Communications (ICCSC) Pub Date : 2014-12-01 DOI: 10.1109/COMPSC.2014.7032672
Anju Paulose, M. Bedeeuzzaman
{"title":"Seizure detection using median based feature","authors":"Anju Paulose, M. Bedeeuzzaman","doi":"10.1109/COMPSC.2014.7032672","DOIUrl":"https://doi.org/10.1109/COMPSC.2014.7032672","url":null,"abstract":"Epilepsy is a common neurological disorder which is difficult to treat because of its unpredictable and recurrent nature. The electroencephalogram (EEG) is a valuable tool for detecting epileptic seizures. With the aim of reducing the input feature dimensionality, a single median based feature called interquartile range (IQR) was used in this paper for the classification of normal and seizure EEG signals. Classification was done using a linear classifier and a support vector machine (SVM) classifier. Normal and seizure signals were classified with an accuracy of 71.62% and 96.57% using linear and SVM classifier respectively.","PeriodicalId":388270,"journal":{"name":"2014 First International Conference on Computational Systems and Communications (ICCSC)","volume":"44 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116506560","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
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