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Availability Aware SFC Embedding in NFV: A Clustering Approach NFV中可用性感知的SFC嵌入:一种聚类方法
2019 27th Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2019-04-01 DOI: 10.1109/IranianCEE.2019.8786672
Pegah Torkamandi, S. Khorsandi, Bahador Bakhshi
{"title":"Availability Aware SFC Embedding in NFV: A Clustering Approach","authors":"Pegah Torkamandi, S. Khorsandi, Bahador Bakhshi","doi":"10.1109/IranianCEE.2019.8786672","DOIUrl":"https://doi.org/10.1109/IranianCEE.2019.8786672","url":null,"abstract":"Network Function Virtualization (NFV) was recently proposed to improve the flexibility of network service provisioning and reduce the deployment costs by the decoupling the traditional network functions from the dedicated proprietary hardware equipment and turning them into the software-based virtualized entity, which is called a Virtual Network Function (VNF). Typically, the VNFs are concatenated together in a sequential order to form a Service Function Chains (SFCs) which provide specific services for users. Since failure of each VNF leads to breaking down the entire service chain, it is critical that service providers offer guaranteed and highly available SFCs against the failures. Previous works for simplicity assumed a completely available network infrastructure or just one failure in a same time; further, they increase availability of a SFC by adding dedicated backups which is costly. Unlike previous works, we investigate the problem of guarantying the required availability of SFCs against the multiple failures in a same time with minimum resource consumption. We proposed a new Availability-aware Clustered SFC Embedding (AC-SFC) algorithm which not only satisfies the availability requirement of SFC but also reduces the footprints of backup resource by using the Share Protection Cluster (SPC). Further, this problem is formulated as an Integer Linear Programming (ILP). We proposed a heuristic algorithm to overcome the ILP's complexity and new technique for calculating the availability of SPC. The numerical results show our heuristic algorithm works efficiency and reduces the network resource consumption in different network infrastructure topologies.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"19 1","pages":"1922-1928"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86932746","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 and QoS-Aware Contention-Based Medium Access Control in Machine-Type Communications 机器类型通信中基于能量和qos感知的争用介质访问控制
2019 27th Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2019-04-01 DOI: 10.1109/IranianCEE.2019.8786634
Masoumeh Mokhtari Karchegani, B. S. Ghahfarokhi
{"title":"Energy and QoS-Aware Contention-Based Medium Access Control in Machine-Type Communications","authors":"Masoumeh Mokhtari Karchegani, B. S. Ghahfarokhi","doi":"10.1109/IranianCEE.2019.8786634","DOIUrl":"https://doi.org/10.1109/IranianCEE.2019.8786634","url":null,"abstract":"Special characteristics of Machine-Type Communications (MTC) result in new challenges in 5G mobile networks including Medium Access Control (MAC) mechanisms. The traditional methods for contention-based MAC are unable to manage a massive number of simultaneous requests. On another side, recent methods for MTCs have not adequately attended to energy consumption of machines along with QoS. In this paper, a method for contention-based massive access protocol is presented based on p-persistent CSMA which considers both energy and delay requirement of machines, a multi-objective optimization problem is solved by BS at the beginning of each time frame in order to find the optimum value of transmission probability based on the number of machines and their distances from the BS. The optimization problem aims at achieving maximum energy efficiency and minimum access delay. To avoid the overhead of solving the optimization problem, the value of probability is temporarily updated by the machine at the end of each time slot, based on its delay requirement and the number of its recent access failures. The simulation results show a considerable increase in the number of successful transmissions, a decrease in access time and improvements in throughput and energy consumption.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"71 2 1","pages":"1289-1293"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87718577","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
Impact of Steganography on JPEG File Size 隐写术对JPEG文件大小的影响
2019 27th Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2019-04-01 DOI: 10.1109/IranianCEE.2019.8786506
Mohammad Rezaei, S. M. Moghadam
{"title":"Impact of Steganography on JPEG File Size","authors":"Mohammad Rezaei, S. M. Moghadam","doi":"10.1109/IranianCEE.2019.8786506","DOIUrl":"https://doi.org/10.1109/IranianCEE.2019.8786506","url":null,"abstract":"Hiding data in JPEG images is usually performed by modifying quantized DCT coefficients. This will affect the entropy coding and consequently the size of the resulting compressed data. The change in the file size might be used as a feature in steganalysis. In this paper, we investigate the impact of several well-known steganography methods on the size of JPEG file. The experiments show interesting results, where we considered several embedding payloads and quality factors. OutGuess 0.1, OutGuess 0.2, and complementary embedding methods increase the file size, while F5, nsF5, and PQ decrease it. The secure steganography methods J-UNIWARD and SI-UNIWARD almost do not change the file size.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"2 1","pages":"1869-1873"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82878050","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
Adaptive Model-Free Control of Electrically Driven Robot Manipulators 电动机械臂的自适应无模型控制
2019 27th Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2019-04-01 DOI: 10.1109/IranianCEE.2019.8786502
A. Saleki, M. Fateh
{"title":"Adaptive Model-Free Control of Electrically Driven Robot Manipulators","authors":"A. Saleki, M. Fateh","doi":"10.1109/IranianCEE.2019.8786502","DOIUrl":"https://doi.org/10.1109/IranianCEE.2019.8786502","url":null,"abstract":"This paper presents a Model-Free approach for robot manipulators control. The control signal in this approach is the motors' voltage, and can be directly used. For each of the manipulator joints, a local model is considered, which is based on the manipulator's input and output, and each joint is controlled independently. The only information needed for implementation of this method is the motors' voltage and the position of the joints, which are both easily measurable. In this approach, all system dynamics and external disturbances are considered as an unknown term, that is estimated using an adaptive law obtained from the Lyapunov theory. The designed control law is simple, and controller stability is guaranteed by using this theory. Simulation results and comparison verify the effectiveness of the proposed approach.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"24 1","pages":"1086-1091"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82609652","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
Defense Against Intelligent Jammer in Cognitive Wireless Networks 认知无线网络中的智能干扰防御
2019 27th Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2019-04-01 DOI: 10.1109/IranianCEE.2019.8786562
Hossein Noori, Saeed Sadeghi Vilni
{"title":"Defense Against Intelligent Jammer in Cognitive Wireless Networks","authors":"Hossein Noori, Saeed Sadeghi Vilni","doi":"10.1109/IranianCEE.2019.8786562","DOIUrl":"https://doi.org/10.1109/IranianCEE.2019.8786562","url":null,"abstract":"Wireless channels became very crowd by severe increasing in number of wireless communication instruments. Utilizing interference of users transmitting on the same channel, an intelligent jammer can cause more harmful attacks to the transmission of a special user. In this paper, defense against an intelligent jammer is considered. We assume that the attacker can utilize the interference of other users in addition to its interference to jam a special user. A single controller stochastic game is proposed to model the interactions between special user and the jammer. Using simplex algorithm, we obtained the optimal strategies. Finally, simulation results show that the proposed approach leads to better performance.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"2014 1","pages":"1309-1314"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82612561","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
Sub-threshold MOS Translinear Principle Based-Analog Cell Suitable for Current-Mode Signal Processing 适合于电流模式信号处理的亚阈值MOS跨线性原理模拟单元
2019 27th Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2019-04-01 DOI: 10.1109/IranianCEE.2019.8786399
Mohammad Moradinezhad Maryan, Reza Rezaei Siahrood, Hamed Sajadinia, S. J. Azhari
{"title":"Sub-threshold MOS Translinear Principle Based-Analog Cell Suitable for Current-Mode Signal Processing","authors":"Mohammad Moradinezhad Maryan, Reza Rezaei Siahrood, Hamed Sajadinia, S. J. Azhari","doi":"10.1109/IranianCEE.2019.8786399","DOIUrl":"https://doi.org/10.1109/IranianCEE.2019.8786399","url":null,"abstract":"A new low-voltage current-mode multifunction cell for analog signal processing, is presented in this paper. The proposed cell is based on sub-threshold MOS translinear (MTL) principle and consists of six matched NMOS transistors. Square-rooting, exponential and logarithmic functions are computational current-mode circuits that are designed using the proposed cell. The designed functions are simulated by HSPICE simulator in TSMC 0.18 µm (level-49 parameters) CMOS technology. Post-layout simulation results plus Monte Carlo analysis verified the functionality and superiority of the proposed circuits. Simulation results of the current-mode square-rooting circuit with 1-V DC supply voltage show that the maximum nonlinearity as 2.8%, the −3dB bandwidth as 32.95 MHz and the maximum power consumption as 520 nW.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"19 1","pages":"60-65"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82806087","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
Voltage sag Assessment Considering Low Voltage Ride-Through Requirement for Wind Turbines Based on SARFI Index 基于SARFI指数的考虑低电压穿越要求的风电机组电压凹陷评估
2019 27th Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2019-04-01 DOI: 10.1109/IranianCEE.2019.8786769
Sina Shakeri, S. Esmaeili, Mohammad Hossein Rezaeian Koochi
{"title":"Voltage sag Assessment Considering Low Voltage Ride-Through Requirement for Wind Turbines Based on SARFI Index","authors":"Sina Shakeri, S. Esmaeili, Mohammad Hossein Rezaeian Koochi","doi":"10.1109/IranianCEE.2019.8786769","DOIUrl":"https://doi.org/10.1109/IranianCEE.2019.8786769","url":null,"abstract":"This paper defines a system average root mean square variation frequency (SARFI) index based on the area of vulnerability (AOV) and proposes a systematic method for determining accurate AOVs for fault induced voltage sags. The SARFI index specifies the number of voltage sags experiencing at a given area or in a given system per year more severe than the curve limits. The SARFI index is helpful in establishing efficient planning for mitigation of voltage sags. This paper also assesses voltage sags considering low voltage ride-through (LVRT) requirements for wind turbines. The determination of AOVs is very important for assessing voltage sags performance, since voltage sags can be caused by faults occurring in different parts of a power system. In this paper, the procedure of determining AOVs for balanced faults are considered. The proposed methodology is applied on the IEEE 30-bus test system integrated with eight wind turbines.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"4 4","pages":"470-474"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91553395","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
Design and Analysis of an SOI Photonic Filter Based on a Microring 基于微环的SOI光子滤波器的设计与分析
2019 27th Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2019-04-01 DOI: 10.1109/IranianCEE.2019.8786445
Ali Kazemi Nasaban Shotorban, K. Abedi, Kian Jafari
{"title":"Design and Analysis of an SOI Photonic Filter Based on a Microring","authors":"Ali Kazemi Nasaban Shotorban, K. Abedi, Kian Jafari","doi":"10.1109/IranianCEE.2019.8786445","DOIUrl":"https://doi.org/10.1109/IranianCEE.2019.8786445","url":null,"abstract":"In this paper, we present an SOI compact photonic filter which consists of a partial microring located inside or outside a microring resonator. The partial microring affects the behavior of the resonator and results in a change in the wavelength response of the device. A change in size or location of the partial microring causes a noticeable alteration in the wavelength response of the resonator. By using this method, we cause a shift of 1.8 nm in the central wavelength of the output resonance, while maintaining a high transmittance, without changing the footprint of the device.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"15 17","pages":"87-91"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91447129","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
Mitigating Sub-Synchronous Resonance Using Static Var Compensator (SVC) Enhanced with Adaptive Neuro-Fuzzy Inference Systems (ANFIS) Controller 利用自适应神经模糊推理系统(ANFIS)控制器增强静态无功补偿器(SVC)缓解次同步共振
2019 27th Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2019-04-01 DOI: 10.1109/IranianCEE.2019.8786701
M. Amirian
{"title":"Mitigating Sub-Synchronous Resonance Using Static Var Compensator (SVC) Enhanced with Adaptive Neuro-Fuzzy Inference Systems (ANFIS) Controller","authors":"M. Amirian","doi":"10.1109/IranianCEE.2019.8786701","DOIUrl":"https://doi.org/10.1109/IranianCEE.2019.8786701","url":null,"abstract":"Nowadays renewable energy sources, particularly wind power, are considered as important generation in electric power systems because of their no exhausted nature and benign environmental effects. With increasing usage wind power in power systems, impact of wind generator on sub-synchronous resonance (SSR) is going to more important. The main purpose of this paper is to confirm the ability of the Static Var Compensator (SVC) as a member of FACTS family in mitigating the SSR. Imperialist competitive algorithm (ICA)-based Conventional Damping Controller (CDC) and Adaptive Neuro-Fuzzy Inference Systems (ANFIS) are designed as two novel controllers In order to provide the effective damping of SSR. The system stability is studied through time domain simulations, Fast Fourier Transform (FFT) analysis and a Performance Index (PI) which is defined based on the dynamics of the power system. To compare the performance of two controllers, two various cases of study are considered.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"103 1","pages":"532-538"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83251690","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
Robust stability for affine T-S fuzzy impulsive control systems subject to parametric uncertainties 参数不确定仿射T-S模糊脉冲控制系统的鲁棒稳定性
2019 27th Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2019-04-01 DOI: 10.1109/IranianCEE.2019.8786425
I. Zamani, A. H. Amiri Mehra, Z. Abbasi, M. Shafiee
{"title":"Robust stability for affine T-S fuzzy impulsive control systems subject to parametric uncertainties","authors":"I. Zamani, A. H. Amiri Mehra, Z. Abbasi, M. Shafiee","doi":"10.1109/IranianCEE.2019.8786425","DOIUrl":"https://doi.org/10.1109/IranianCEE.2019.8786425","url":null,"abstract":"The main objective of this paper is to investigate the robust stability problem of affine fuzzy impulsive control systems in which the system is presented by affine Takagi-Sugeno fuzzy model. By using extended Lyapunov stability theory, some matrix inequalities conditions are derived to guarantee the stability of affine Takagi-Sugeno fuzzy impulsive control systems subject to parametric uncertainties. A numerical example is given to confirm the analytical results and illustrate the effectiveness of the proposed strategy.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"46 1","pages":"1102-1107"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83221565","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
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