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Performance analysis of polarization diversity for frequency-selective Nakagami-m fading 频率选择性中川衰落极化分集性能分析
2016 International Conference on Emerging Technologies (ICET) Pub Date : 2016-10-01 DOI: 10.1109/ICET.2016.7813257
Z. Ahmad, M. Moinuddin, Taimoor Altaf, Arslan Khalid
{"title":"Performance analysis of polarization diversity for frequency-selective Nakagami-m fading","authors":"Z. Ahmad, M. Moinuddin, Taimoor Altaf, Arslan Khalid","doi":"10.1109/ICET.2016.7813257","DOIUrl":"https://doi.org/10.1109/ICET.2016.7813257","url":null,"abstract":"Polarization Diversity (PD) is a favorable option for compact Base Station (BS) and Mobile Station (MS) antennas while offering the benefits of Space Diversity (SD) for wireless systems. The large bandwidth of future networks is more likely to cause frequency-selective fading yet compactness is desired irrespective of terrain. Therefore, in this paper, performance of PD for flat-fading and frequency-selective fading is investigated based on the Symbol Error Rate (SER) with emphasis on frequency-selective fading. Nakagami-m fading is employed as it can represent a wide range of multipath channels raging from line-of-sight (LoS) to non-line-of-sight (nLoS). SER of PD and SD are compared based on SNR. The dependence of SER of flat as well as frequency-selective fading on SNR, PD factors and fading parameter m is presented. SER of frequency-selective Rayleigh and Rician fading is also compared in this work.","PeriodicalId":285090,"journal":{"name":"2016 International Conference on Emerging Technologies (ICET)","volume":"291 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115390988","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
Modeling and analysis of velocity profile of a rectangular aircraft exhaust nozzle 矩形飞机排气喷管速度分布的建模与分析
2016 International Conference on Emerging Technologies (ICET) Pub Date : 2016-10-01 DOI: 10.1109/ICET.2016.7813245
S. Irfan, Syed Irtiza Ali Shah
{"title":"Modeling and analysis of velocity profile of a rectangular aircraft exhaust nozzle","authors":"S. Irfan, Syed Irtiza Ali Shah","doi":"10.1109/ICET.2016.7813245","DOIUrl":"https://doi.org/10.1109/ICET.2016.7813245","url":null,"abstract":"This research is aimed to investigate the flow behavior at the exit plane of a rectangular aircraft exhaust nozzle for different aspect ratios. An algorithm has been developed to evaluate the velocity profile at the exit cross section of a rectangular aircraft exhaust nozzle. The same algorithm has also been used to calculate the velocity field and plot the velocity contours for that cross section. This algorithm has been run for four different aspect ratios. Each aspect ratio has been investigated for three flow regimes i.e. subsonic, supersonic and hypersonic. After running the algorithm for all twelve cases, the results have been compared for finding the optimal aspect ratio for a specific flow regime which offers the maximum flexibility for design of exhaust nozzle. Criteria for the optimal aspect ratio has been based on the maximum exhaust velocity as maximum exit speeds are of prime importance in an engine exhaust nozzle design for thrust maximization. This study would serve as a benchmark for aircraft exhaust nozzle designers and scientists for the future investigation of the impact of varying aspect ratio on exit velocities for rectangular exhaust nozzles. In future, the same analysis may be validated experimentally using the wind tunnel as well as computationally. The proposed methodology may be followed to study other non-circular exhaust nozzles such as elliptic, triangular, rounded rectangle etc. This will give an insight into the behavior of flow when geometric characteristics of the exhaust nozzle are varied. Further it will help to optimize the design of exhaust nozzles as advanced manufacturing technologies have enabled us to manufacture difficult contours without compromising the strength of components.","PeriodicalId":285090,"journal":{"name":"2016 International Conference on Emerging Technologies (ICET)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129636724","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
Using reactor grade plutonium in PWR: CORAIL and IMF options 在压水堆中使用反应堆级钚:CORAIL和IMF的选择
2016 International Conference on Emerging Technologies (ICET) Pub Date : 2016-10-01 DOI: 10.1109/ICET.2016.7813270
Huma Waheed Butt, C. K. Saleem, Masroor Ahmad
{"title":"Using reactor grade plutonium in PWR: CORAIL and IMF options","authors":"Huma Waheed Butt, C. K. Saleem, Masroor Ahmad","doi":"10.1109/ICET.2016.7813270","DOIUrl":"https://doi.org/10.1109/ICET.2016.7813270","url":null,"abstract":"In nuclear reactors, plutonium is continuously being produced due to the presence of U-238 in the fuel. The need of the hour is to look for the ways to utilize this plutonium to overcome the uranium fuel shortages in future. To utilize the plutonium inventory from these reactors, Mixed Oxide fuel (PuO2+UO2) has become a well known option. One of the options to use this MOX fuel is the CORAIL assembly in which one-third of the assembly at the periphery is occupied by the MOX rods and rest of the assembly is having UO2 rods. This option almost has a zero mass balance because the plutonium produced in the UO2 rods is compensated by the burning in MOX rods. On the other hand, Inert Matrix Fuel (IMF) is an option to use this, in which no plutonium source is present. The results have showed that IMF is a better option among these two fuel options but at the expense of lesser temperature coefficients values (MTC and ITC). Control material worth is higher in IMF than CORAIL which is important from the safety point of view. In this paper both options have studied based upon the reactor physics aspects.","PeriodicalId":285090,"journal":{"name":"2016 International Conference on Emerging Technologies (ICET)","volume":"143 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114570418","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
Development of coupled neutron physics/thermal hydraulics system using OpenMC and RELAP5 利用OpenMC和RELAP5开发中子物理/热工耦合系统
2016 International Conference on Emerging Technologies (ICET) Pub Date : 2016-10-01 DOI: 10.1109/ICET.2016.7813274
W. Syed, Khurram Saleem Chaudri, M. Sohail
{"title":"Development of coupled neutron physics/thermal hydraulics system using OpenMC and RELAP5","authors":"W. Syed, Khurram Saleem Chaudri, M. Sohail","doi":"10.1109/ICET.2016.7813274","DOIUrl":"https://doi.org/10.1109/ICET.2016.7813274","url":null,"abstract":"With the ongoing development in capabilities of computational and modeling tools, feedbacks of thermal hydraulics and neutronics allow us to get improved and economical designs of nuclear reactors, with more realistic and accurate evaluation of the design parameters. This work is aimed to validate various aspects of a benchmark problem for testing the coupling scheme developed by using RELAP5 & OpenMC as thermal hydraulic and neutronic codes respectively, and FORTRAN as the external coupling agent, on the Intel Core i7 processor, Windows system. The benchmark problem consists of a BWR fuel pin divided into axial segments. At each axial mesh normalized power and fuel temperature plus coolant density are computed using OpenMC and RELAP5 respectively. Convergence was checked at each iteration for all the three parameters i.e. coolant density, fuel temperature and normalized power. Converged and stable results were obtained after 7 iterations, in a total time of 1.7hr, with one simulation taking 14.2min. Finally benchmark results are validated.","PeriodicalId":285090,"journal":{"name":"2016 International Conference on Emerging Technologies (ICET)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131315872","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
Demand side management for smart homes in Pakistan 巴基斯坦智能家居的需求侧管理
2016 International Conference on Emerging Technologies (ICET) Pub Date : 2016-10-01 DOI: 10.1109/ICET.2016.7813281
Bilal Hussain, Qadeer-ul-Hassan
{"title":"Demand side management for smart homes in Pakistan","authors":"Bilal Hussain, Qadeer-ul-Hassan","doi":"10.1109/ICET.2016.7813281","DOIUrl":"https://doi.org/10.1109/ICET.2016.7813281","url":null,"abstract":"Demand side management (DSM) based on demand response (DR) has emerged as an effective method for energy management in a power system focusing consumer side. It enables consumers to participate in energy management through changing their energy usage pattern. DSM at home is implemented making use of an infrastructure called home energy management system (HEMS). Energy management controller/ Scheduler is a vital component of HEMS that carries all the computational intelligence required to compute optimized schedules for home appliance and local distributed energy resources. A comprehensive method to model energy management problem for the design of energy management controller/scheduler is elaborated. A Particle Swarm Optimization (PSO) based optimization scheduler has been proposed. Application of scheduler to a smart home in Pakistan has been simulated. Time of use and real time pricing schemes have been incorporated in the model.","PeriodicalId":285090,"journal":{"name":"2016 International Conference on Emerging Technologies (ICET)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131326664","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
Formalizing the resurrecting duckling into hierarchical coloured Petri nets 将复活的小鸭形式化成分层的彩色Petri网
2016 International Conference on Emerging Technologies (ICET) Pub Date : 2016-10-01 DOI: 10.1109/ICET.2016.7813214
Maryam Jamal, N. Zafar
{"title":"Formalizing the resurrecting duckling into hierarchical coloured Petri nets","authors":"Maryam Jamal, N. Zafar","doi":"10.1109/ICET.2016.7813214","DOIUrl":"https://doi.org/10.1109/ICET.2016.7813214","url":null,"abstract":"The Resurrecting Duckling is a powerful security policy widely used in ad-hoc networks having devices with low processing capabilities. Focusing the master-slave relationship between any two network nodes, The Resurrecting Duckling is aimed at secure transient association. Hierarchical Coloured Petri Nets are descendants of Coloured Petri Nets which facilitates to organize a large model of any system into multiple coordinating subnets. This paper presents a formal model of The Resurrecting Duckling in terms of hierarchical Coloured Petri Nets. Firstly, the two entities called the duck and the duckling have been mathematically specified as two subnets. Then the dynamics of the security policy i.e the three cases of death namely; death by service completion, death by time and death by duck's instruction, have been modeled and each of them is verified using Reachability Graph. Finally the complete formal model of the Resurrecting Duckling has been verified using Simulation of CPN Tools.","PeriodicalId":285090,"journal":{"name":"2016 International Conference on Emerging Technologies (ICET)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130281628","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
Tailoring the surface of perovskite oxide for enhanced oxygen exchange kinetics 调整钙钛矿氧化物的表面以增强氧交换动力学
2016 International Conference on Emerging Technologies (ICET) Pub Date : 2016-10-01 DOI: 10.1109/ICET.2016.7813204
S. Saher, S. ur Rehman, A. Basit, M. Noman, M. Zaib, Ayesha Samreen, Shahid Ali, Affaq Qamar
{"title":"Tailoring the surface of perovskite oxide for enhanced oxygen exchange kinetics","authors":"S. Saher, S. ur Rehman, A. Basit, M. Noman, M. Zaib, Ayesha Samreen, Shahid Ali, Affaq Qamar","doi":"10.1109/ICET.2016.7813204","DOIUrl":"https://doi.org/10.1109/ICET.2016.7813204","url":null,"abstract":"Nanocrystalline perovskite structured La<sub>0.6</sub>Sr<sub>0.4</sub>Co<sub>0.2</sub>Fe<sub>0.8</sub>O<sub>3-δ</sub> (LSCF) considered as a promising cathode material for solid oxide fuel cells (SOFCs). The performance of LSCF electrode is limited by the transport of oxygen ions at the oxide surface, which is the rate determining step of oxygen reduction reaction (ORR). To enhance the oxygen surface exchange process of LSCF electrode, a composite electrolyte is introduced at the surface, which substantially improves the electrochemical performance. The electrical conductivity relaxation (ECR) technique is used to study the surface exchange kinetics of bare LSCF and coated with a mixture of Ce<sub>0.8</sub>Sm<sub>0.2</sub>O<sub>2-δ</sub> (SDC) and La<sub>2</sub>Mo<sub>2</sub>O<sub>9</sub> (LMO) nano-powders in three different weight ratios, SDC:LMO = 0.5:1, 1:1, 1:0.5. The oxygen surface exchange coefficient (kchem) of surface modified specimens were derived by assuming constant oxygen diffusion coefficient (D<sub>chem</sub>). The results show that the kchem of LSCF is predominantly affected by the surface coating of SDC-LMO and the average kchem values of SDC-LMO coated LSCF increases by a factor 5 to 10 from 650 °C to 850 °C, respectively. It has been concluded that the high ionic conductive oxide coating improves the surface exchange kinetics of underlying LSCF mixed conducting oxide and consequently enhances the performance of electrochemical devices such as SOFC and oxygen separating membranes.","PeriodicalId":285090,"journal":{"name":"2016 International Conference on Emerging Technologies (ICET)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133299356","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 high current enhancement type N-channel InGaAs MOSFET on InP substrate with a maximum drain current of 1.3 A/mm 基于InP衬底的高电流增强型n沟道InGaAs MOSFET，最大漏极电流为1.3 A/mm
2016 International Conference on Emerging Technologies (ICET) Pub Date : 2016-10-01 DOI: 10.1109/ICET.2016.7813206
M. Ali, Junaid Saeed
{"title":"A high current enhancement type N-channel InGaAs MOSFET on InP substrate with a maximum drain current of 1.3 A/mm","authors":"M. Ali, Junaid Saeed","doi":"10.1109/ICET.2016.7813206","DOIUrl":"https://doi.org/10.1109/ICET.2016.7813206","url":null,"abstract":"In this paper, a high performance inversion type enhancement mode N-channel In0.65Ga0.35As MOSFET has been presented. A maximum drain current of more than 1.3 A/mm has been achieved with a transconductance of 430 mS/mm. This value of maximum drain current is nearly 25% greater than that previously reported in literature. A gate threshold voltage of 0.8 V has been achieved for a gate length of 0.6 μm, which is sufficiently high to ensure fail safe operation of the device in the integrated circuit environment. Extensive simulations have been performed in order to analyze the effect of varying the gate length on the gate-source threshold voltage. Furthermore, a thorough investigation has been conducted about the variations in maximum drain current under the effect of varying doping concentration of drain and source regions. The maximum value of drain current of 1.3 A/mm has been extrapolated linearly from a 1 micron wide device.","PeriodicalId":285090,"journal":{"name":"2016 International Conference on Emerging Technologies (ICET)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116418227","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
Evaluation of the aging effect on mild steel (E 6013) welded areas using Hilbert Huang Transform on UT signals 利用UT信号的Hilbert Huang变换评价低碳钢(e6013)焊接区的时效效应
2016 International Conference on Emerging Technologies (ICET) Pub Date : 2016-10-01 DOI: 10.1109/ICET.2016.7813210
Muhammad Ghazanfar Ali, Saad Ahmed Warraich, T. M. Khan
{"title":"Evaluation of the aging effect on mild steel (E 6013) welded areas using Hilbert Huang Transform on UT signals","authors":"Muhammad Ghazanfar Ali, Saad Ahmed Warraich, T. M. Khan","doi":"10.1109/ICET.2016.7813210","DOIUrl":"https://doi.org/10.1109/ICET.2016.7813210","url":null,"abstract":"The welding inspector ensures the integrity of weld joints since the structural stability mainly depends on it. Welded joints are tested for the prediction of remaining useful life using different Non Destructive Testing (NDT) schemes such as Ultrasonic Testing (UT). In this proposed study, possible classification of UT signals acquired from weld areas in terms of different levels of thermal fatigue were explored using Hilbert Huang Transform (HHT). The HHT was used to assess the aging effect by characterizing the ultrasonic backscattered echoes of scanned welded materials. The HHT being an empirical based method can generate meaningful representation of data from non-stationary and nonlinear system. Firstly, the ultrasonic signals were decomposed into a set of simpler signals called Intrinsic Mode Functions (IMF). Based on the Hilbert spectrum of these IMF, time-frequency analysis was conducted. Energy Frequency distribution based feature extraction was proposed for determining the aging effect of the welded material at particular locations.","PeriodicalId":285090,"journal":{"name":"2016 International Conference on Emerging Technologies (ICET)","volume":"13 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113941662","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 EEG: A survey of different techniques 脑电图检测癫痫发作:不同技术的综述
2016 International Conference on Emerging Technologies (ICET) Pub Date : 2016-10-01 DOI: 10.1109/ICET.2016.7813209
M. Ahmad, maryam. saeed, S. Saleem, A. Kamboh, maryam. saeed
{"title":"Seizure detection using EEG: A survey of different techniques","authors":"M. Ahmad, maryam. saeed, S. Saleem, A. Kamboh, maryam. saeed","doi":"10.1109/ICET.2016.7813209","DOIUrl":"https://doi.org/10.1109/ICET.2016.7813209","url":null,"abstract":"Seizures are the primary symptom of epilepsy, which is one of the most common neurological disorders. Studies suggest that 10% of the world's epileptic patients are in Pakistan where there is one neurologist for 1,400, 000 people. The percentages of epileptic population in Pakistan are significantly higher in the rural areas, where the disease is linked to the paranormal. The patient suffer from severe social pressures and lack of proper medical treatment. EEG is the most cost effective and convenient method for seizure detection. With the dawn of data-analytics, many studies focusing on seizure detection have been conducted. The aim has been to not only aid the human diagnosis, but also, to explore new avenues in explaining the underlying causes of seizures and epilepsy. This study summarizes the data-analytic methods that have been used for the analysis of seizures with a special emphasis on the state of the art. It is aimed as a guide to researchers who wish to investigate this amazing application of Neuro-informatics.","PeriodicalId":285090,"journal":{"name":"2016 International Conference on Emerging Technologies (ICET)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129424012","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
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