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2012 5th International Conference on Computers and Devices for Communication (CODEC)最新文献

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2D defected ground structures in microstrip line 微带线中二维缺陷接地结构
2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI: 10.1109/CODEC.2012.6509194
C. S. Gautam, A. Bhadauria
{"title":"2D defected ground structures in microstrip line","authors":"C. S. Gautam, A. Bhadauria","doi":"10.1109/CODEC.2012.6509194","DOIUrl":"https://doi.org/10.1109/CODEC.2012.6509194","url":null,"abstract":"In this paper, two-dimensional (2D) defected ground structures (DGS) are proposed in microstrip line. The dumbbell structure is added as a unit-cell in a systematic manner in both horizontal and vertical directions to construct the 2D-DGS. This technique best utilizes the area to get very low stop band frequencies. The EM simulation has been carried out to study the transmission behavior of proposed structures. The variation of center frequency have been achieved from 9.42 GHz down to 4.1 GHz with more than 25 dB rejection in the stop band when the number of cells increases from 1 to 5 cells. We have also exhaustively studied the effect of DGS in horizontal and vertical directions in microstrip line. Further the proposed DGSs have been modeled as a parallel LC circuit connected in series to the main microstrip line. In order to validate model, the extracted circuit values with ADS circuit simulator has been used to compare the transmission behavior with EM simulation results obtained by IE3D. The comparison shows an excellent matching of EM simulation with equivalent circuit model.","PeriodicalId":399616,"journal":{"name":"2012 5th International Conference on Computers and Devices for Communication (CODEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121901298","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 CPW-fed printed monopole antenna using circular CSRR for WCDMA/WiMAX/WLAN applications 用于WCDMA/WiMAX/WLAN应用的圆形CSRR cpw馈电印刷单极天线
2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI: 10.1109/CODEC.2012.6509200
S. Patra, K. Sahu, A. Panda
{"title":"A CPW-fed printed monopole antenna using circular CSRR for WCDMA/WiMAX/WLAN applications","authors":"S. Patra, K. Sahu, A. Panda","doi":"10.1109/CODEC.2012.6509200","DOIUrl":"https://doi.org/10.1109/CODEC.2012.6509200","url":null,"abstract":"In this paper we purpose a novel compact size CPW-fed complementary Circular split ring resonator (CSRR) printed antenna for WLAN, WiMAX and WCDMA applications. The antenna consists of micostrip line and CSRR unit cell, with a fully covered ground plane. The simulated results show that the antenna can yield an impedance bandwidth of 1.87–2.2 GHz, 3.45–4 GHz and from 5.5–5.9 GHz band with reflection coefficient less than −10dB. The antenna has found nearly omni-directional and gain is around 3dBi for all the bands. The overall dimension of the antenna is 14 × 28mm × 1.6mm, which is suitable for all wireless applications.","PeriodicalId":399616,"journal":{"name":"2012 5th International Conference on Computers and Devices for Communication (CODEC)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121647112","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
Analysis of mixed CNT bundle interconnects: Impact on delay and power dissipation 混合碳纳米管束互连分析:对时延和功耗的影响
2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI: 10.1109/CODEC.2012.6509356
M. Majumder, B. Kaushik, Sanjeev Kumar Manhas
{"title":"Analysis of mixed CNT bundle interconnects: Impact on delay and power dissipation","authors":"M. Majumder, B. Kaushik, Sanjeev Kumar Manhas","doi":"10.1109/CODEC.2012.6509356","DOIUrl":"https://doi.org/10.1109/CODEC.2012.6509356","url":null,"abstract":"This research paper proposes a hierarchical modelling approach for mixed carbon nanotube (CNT) bundle (MCB) interconnects. Based on the arrangements of single-walled CNTs (SWCNT) and multi-walled CNTs (MWCNTs), three different MCB structures are proposed. Transient analysis is performed for bundled CNT structures to address the effect of propagation delay and power dissipation. It has been observed that the delay and power dissipation are significantly improved for the proposed MCB structures as compared to bundled SWCNT and bundled MWCNT at different global interconnect lengths.","PeriodicalId":399616,"journal":{"name":"2012 5th International Conference on Computers and Devices for Communication (CODEC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122160555","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
A compact triangular SRR loaded CPW line and its use in highly selective wideband bandpass filter for WiMAX communication system 一种紧凑的三角形SRR负载CPW线路及其在WiMAX通信系统高选择性宽带带通滤波器中的应用
2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI: 10.1109/CODEC.2012.6509198
A. Panda, K. Sahu, R. K. Mishra
{"title":"A compact triangular SRR loaded CPW line and its use in highly selective wideband bandpass filter for WiMAX communication system","authors":"A. Panda, K. Sahu, R. K. Mishra","doi":"10.1109/CODEC.2012.6509198","DOIUrl":"https://doi.org/10.1109/CODEC.2012.6509198","url":null,"abstract":"In this paper we purpose a triangular split ring resonator (TSRR) loaded with co-planar waveguide (CPW) line for realizing a planar band-pass filter for miniaturization and high data rate WiMAX communication system. It consists of a 50Ω CPW line with triangular resonator etched on backside of substrate, parallel to the CPW. Because of negative permeability offered by the SRR and series capacitance this structure exhibits backward wave propagation in the vicinity of its resonant frequency. Due to the strong inductive coupling between resonator and line and periodically loading the line with narrow wires, resulting high selectivity with low insertion loss in the wide band-pass characteristic.","PeriodicalId":399616,"journal":{"name":"2012 5th International Conference on Computers and Devices for Communication (CODEC)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125494064","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: 15
Equivalent circuit modeling of dual-slot antenna for terahertz application 太赫兹应用双槽天线等效电路建模
2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI: 10.1109/CODEC.2012.6509288
P. Gunapandian, B. Manimegalai
{"title":"Equivalent circuit modeling of dual-slot antenna for terahertz application","authors":"P. Gunapandian, B. Manimegalai","doi":"10.1109/CODEC.2012.6509288","DOIUrl":"https://doi.org/10.1109/CODEC.2012.6509288","url":null,"abstract":"Equivalent Circuit Model and Numerical Analysis (Method of Moments) of dual slot antenna is analyzed in this paper. Dual slot antenna is integrated with hetero structure backward diode using Advanced Design System (ADS) software is being developed for terahertz medical imaging application. The result shows the return loss of about -12dB at 100GHz by the lumped component is obtained which is in close agreement with the MOM analysis results.","PeriodicalId":399616,"journal":{"name":"2012 5th International Conference on Computers and Devices for Communication (CODEC)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116535300","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
On the implementation of a Intellectual Property protection based on information hiding 基于信息隐藏的知识产权保护的实现
2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI: 10.1109/CODEC.2012.6509184
A. Basu, S. Sur, R. Mallick, S. K. Sarkar
{"title":"On the implementation of a Intellectual Property protection based on information hiding","authors":"A. Basu, S. Sur, R. Mallick, S. K. Sarkar","doi":"10.1109/CODEC.2012.6509184","DOIUrl":"https://doi.org/10.1109/CODEC.2012.6509184","url":null,"abstract":"System-On-Chip (SOC) based design process creates a revolution in VLSI industry as it increases the design efficiency, operating speed and reduces the cost development time. In SOC design method, components are required in electronic form called Intellectual Property (IP). IP reuse and exchange is beneficial for the design process but sharing IP blocks causes considerable security risks regarding copyright. In this paper, we present an approach to embed the ownership proof as a part of the design, using information hiding. At the starting of IP design cycle additional information added to the design and this help to identify the copyright. The experimental results of FPGA implementation show that the design can be efficiently marked by proposed method with low overhead.","PeriodicalId":399616,"journal":{"name":"2012 5th International Conference on Computers and Devices for Communication (CODEC)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122232601","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
Influence of chalcogenide glass on surface plasmon resonance based sensor design in near infrared region using admittance loci method 硫化物玻璃对近红外表面等离子体共振传感器设计的影响
2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI: 10.1109/CODEC.2012.6509324
K. Brahmachari, M. Ray
{"title":"Influence of chalcogenide glass on surface plasmon resonance based sensor design in near infrared region using admittance loci method","authors":"K. Brahmachari, M. Ray","doi":"10.1109/CODEC.2012.6509324","DOIUrl":"https://doi.org/10.1109/CODEC.2012.6509324","url":null,"abstract":"A numerical simulation study based on the use of admittance loci method in design of surface plasmon resonance (SPR) based sensor using chalcogenide and other commonly used glasses has been reported in this paper. A simple Kretschmann-Raether prism-based multilayer structure consisting of a glass prism, Gold (Au) metal film and water (sensing layer) has been investigated with the use of admittance loci method in Attenuated Total Internal Reflection (ATIR) mode. Infrared transmission properties of chalcogenide material along with high refractive index offer certain advantages for sensing applications. Admittance loci plots as well as resonance curves using chalcogenide glass has been compared with those for other commonly used glasses in order to study their effect on SPR sensing in near infrared (NIR) wavelength region.","PeriodicalId":399616,"journal":{"name":"2012 5th International Conference on Computers and Devices for Communication (CODEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120960782","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
Threshold base current and light power output of symmetric and asymmetric multiple Quantum-Well Transistor Lasers 对称和非对称多量子阱晶体管激光器的阈值基极电流和光功率输出
2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI: 10.1109/CODEC.2012.6509302
R. Basu, B. Mukhopadhyay, P. K. Basu
{"title":"Threshold base current and light power output of symmetric and asymmetric multiple Quantum-Well Transistor Lasers","authors":"R. Basu, B. Mukhopadhyay, P. K. Basu","doi":"10.1109/CODEC.2012.6509302","DOIUrl":"https://doi.org/10.1109/CODEC.2012.6509302","url":null,"abstract":"We have developed by solving continuity equation the expressions for the terminal currents of Transistor Lasers that incorporate Multiple Quantum Wells in the base. The bulk carrier density in base is related with the two-dimensional carrier density in QWs via virtual states. Strain, 2D density-of-states, polarization dependent momentum matrix element, Fermi statistics and Lorentzian broadening are considered to estimate the QW gain. Comparison between the calculated and experiment values indicates substantial reduction in threshold base current for symmetric MQW-TL having equal QW and barrier widths. Calculations are also made for three QWs of different widths having variable barrier widths (Asymmetric MQW-TL). Reduction of threshold base current by different amounts is observed in all cases.","PeriodicalId":399616,"journal":{"name":"2012 5th International Conference on Computers and Devices for Communication (CODEC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128394153","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
A novel delay minimization technique for low leakagewide fan-in domino logic gates 一种新的低漏宽扇形多米诺逻辑门延迟最小化技术
2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI: 10.1109/CODEC.2012.6509272
A. Chouhan, V. Mahor, M. Pattanaik
{"title":"A novel delay minimization technique for low leakagewide fan-in domino logic gates","authors":"A. Chouhan, V. Mahor, M. Pattanaik","doi":"10.1109/CODEC.2012.6509272","DOIUrl":"https://doi.org/10.1109/CODEC.2012.6509272","url":null,"abstract":"With the scaling of technology the magnitude of leakage current has become a major cause of concern as it reduces the robustness of the circuit and leads to wastage of power. Most of the methods of leakage reduction lead to an increase in the delay of the circuit. In this paper a delay minimization block is proposed. This block is incorporated in a domino gate which has high threshold transistors for leakage reduction. The delay of high threshold domino gates has been reduced by using this mechanism. This facilitates the placement of high threshold domino gates in the critical or near critical paths of a design. Delay reduction of about 10% is achieved without any penalty on power delay productwhen wide fan-in domino gate has leakage as well as delay reduction features as compared to wide fan-in domino gates with only leakage reduction mechanisms. Simulations at 500MHz in 90nm show that leakage has reduced by 50% in the proposed design as compared to the conventional wide fan-in domino gate.","PeriodicalId":399616,"journal":{"name":"2012 5th International Conference on Computers and Devices for Communication (CODEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116145744","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
Compact circularly-polarized microstrip patch antenna on Reactive Impedance Substrates 无功阻抗基板上的紧凑圆极化微带贴片天线
2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI: 10.1109/CODEC.2012.6509187
I. Singh, V. Tripathi, S. Tiwari
{"title":"Compact circularly-polarized microstrip patch antenna on Reactive Impedance Substrates","authors":"I. Singh, V. Tripathi, S. Tiwari","doi":"10.1109/CODEC.2012.6509187","DOIUrl":"https://doi.org/10.1109/CODEC.2012.6509187","url":null,"abstract":"A reduced-size wideband single-feed circularly polarized microstrip patch antenna is presented for telemetry applications in S-band around 2.4 GHz. In this paper we compare the performance of microstrip patch antenna designed over two layer conventional substrate with different relative permittivity and different height and over a Reactive Impedance Substrate with slot, both of them being constituted with the same substrate layers. In particular we optimize the feeding position and number of reactive elements upon the antenna bandwidth and axial ratio. The proposed structure consists of a slot-loaded patch antenna printed over an optimized metamaterial-inspired reactive impedance substrate (RIS). We demonstrate, step by step, the main role of each antenna element by comparing numerically the performance of various antenna configurations, antenna over a single layer substrate or dual-layer substrate, patch without slot or slot-loaded patch, antenna with or without RIS. The final optimized structure exhibits an axial-ratio bandwidth of about 15% and an impedance bandwidth better than 10%, which is much wider than the conventional printed antenna on the same materials. The return loss pattern of different microstrip patch antenna with and without RIS arrangement is also compared using HFSS simulation software.","PeriodicalId":399616,"journal":{"name":"2012 5th International Conference on Computers and Devices for Communication (CODEC)","volume":"376 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116521131","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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