Pub Date : 2012-05-15DOI: 10.1109/IRANIANCEE.2012.6292397
J. Saebi, H. Ghasemi, S. Afsharnia, H. R. Mashhadi
The Imperialist Competitive Algorithm (ICA) has been recently introduced. This algorithm that is based on a socio-politically inspired optimization strategy has shown good convergence rate to achieve global optimum for different optimization problems. In a deregulated electricity market, reactive power suppliers as one of six ancillary services are eligible for financial compensation. In this paper, a reactive power market that is decoupled from the active power market has been solved using the ICA. Minimizing energy losses and total payments to reactive power providers by the system operator are considered as the objectives of the introduced reactive power market. The corresponding optimization problem is a non-convex Mixed-Integer Non-Linear Programming (MINLP) problem. Here, an algorithm is introduced that uses the ICA to change the MINLP problem to a series of NLP sub problems. The IEEE 30-bus test system is used to demonstrate some aspects of the application of the ICA on the reactive power market problem. The results are compared with those obtained by Genetic Algorithm (GA) showing that the ICA convergence rate is more than GA.
{"title":"Imperialist Competitive Algorithm for reactive power dispatch problem in electricity markets","authors":"J. Saebi, H. Ghasemi, S. Afsharnia, H. R. Mashhadi","doi":"10.1109/IRANIANCEE.2012.6292397","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2012.6292397","url":null,"abstract":"The Imperialist Competitive Algorithm (ICA) has been recently introduced. This algorithm that is based on a socio-politically inspired optimization strategy has shown good convergence rate to achieve global optimum for different optimization problems. In a deregulated electricity market, reactive power suppliers as one of six ancillary services are eligible for financial compensation. In this paper, a reactive power market that is decoupled from the active power market has been solved using the ICA. Minimizing energy losses and total payments to reactive power providers by the system operator are considered as the objectives of the introduced reactive power market. The corresponding optimization problem is a non-convex Mixed-Integer Non-Linear Programming (MINLP) problem. Here, an algorithm is introduced that uses the ICA to change the MINLP problem to a series of NLP sub problems. The IEEE 30-bus test system is used to demonstrate some aspects of the application of the ICA on the reactive power market problem. The results are compared with those obtained by Genetic Algorithm (GA) showing that the ICA convergence rate is more than GA.","PeriodicalId":308726,"journal":{"name":"20th Iranian Conference on Electrical Engineering (ICEE2012)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125094678","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}
Pub Date : 2012-05-15DOI: 10.1109/IRANIANCEE.2012.6292433
M. Salehi, H. Samavati, M. Dehghan
Black hole attack is a well-known attack under which performance and efficiency of mobile ad hoc networks decreases dramatically by malicious nodes. This attack affects functionality of network by dropping data packets. Black hole attack operates based upon two different phases; first, advertising fake routes containing attacker node. Second, dropping received data packets. When it comes to route advertisement phase, operation of this attack in reactive protocols can be classified into two categories. Advertising fake routes in response to route request (RREQ) packets, and advertising according to route reply (RREP) packets. In related works, Black hole attack has been evaluated and analyzed based on creating fake RREPs in response to received RREQ packets. In this paper, however, a novel more destructive attack named Deep Black hole is introduced and evaluated. This attack advertises fake RREPs more strongly than previous ones. Evaluation of network parameters has been performed related to DSR protocol in NS-2. Simulation results represent that Deep Black hole, compared to ordinary Black hole and selfish nodes, is more damaging and leads to network denial of service. This attack results in a decrease in the number of network routing packets and end-to-end delay especially compared to selfish nodes.
{"title":"Evaluation of DSR protocol under a new Black hole attack","authors":"M. Salehi, H. Samavati, M. Dehghan","doi":"10.1109/IRANIANCEE.2012.6292433","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2012.6292433","url":null,"abstract":"Black hole attack is a well-known attack under which performance and efficiency of mobile ad hoc networks decreases dramatically by malicious nodes. This attack affects functionality of network by dropping data packets. Black hole attack operates based upon two different phases; first, advertising fake routes containing attacker node. Second, dropping received data packets. When it comes to route advertisement phase, operation of this attack in reactive protocols can be classified into two categories. Advertising fake routes in response to route request (RREQ) packets, and advertising according to route reply (RREP) packets. In related works, Black hole attack has been evaluated and analyzed based on creating fake RREPs in response to received RREQ packets. In this paper, however, a novel more destructive attack named Deep Black hole is introduced and evaluated. This attack advertises fake RREPs more strongly than previous ones. Evaluation of network parameters has been performed related to DSR protocol in NS-2. Simulation results represent that Deep Black hole, compared to ordinary Black hole and selfish nodes, is more damaging and leads to network denial of service. This attack results in a decrease in the number of network routing packets and end-to-end delay especially compared to selfish nodes.","PeriodicalId":308726,"journal":{"name":"20th Iranian Conference on Electrical Engineering (ICEE2012)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122211194","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}
Pub Date : 2012-05-15DOI: 10.1109/IRANIANCEE.2012.6292612
F. Afdideh, M. Shamsollahi, S. N. Resalat
Brain computer interface (BCI) is a widely used system to assist the disabled and paralyzed people by creating a new communication channel. Among the various methods used in BCI area, motor imagery (MI) is the most popular and the most common one due to its the most natural way of communication for the subject. Some software applications are used to implement BCI systems, and some toolboxes exist for EEG signal processing. In recent years virtual reality (VR) technology has entered into the BCI research area to simulate the real world situations and enhance the subject performance. In this work, a completely MATLAB-based MI-based BCI system is proposed and implemented in order to navigate into a virtual environment. In addition, a variety of features types were employed to select the best ones in the proposed system with the use of linear discriminant analysis (LDA) classifier through some interactive graphical user interfaces (GUIs). The results show the feasibility of the proposed BCI system in the subject training with or without feedback and even navigation into a virtual home.
{"title":"Development of a MATLAB-based toolbox for brain computer interface applications in virtual reality","authors":"F. Afdideh, M. Shamsollahi, S. N. Resalat","doi":"10.1109/IRANIANCEE.2012.6292612","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2012.6292612","url":null,"abstract":"Brain computer interface (BCI) is a widely used system to assist the disabled and paralyzed people by creating a new communication channel. Among the various methods used in BCI area, motor imagery (MI) is the most popular and the most common one due to its the most natural way of communication for the subject. Some software applications are used to implement BCI systems, and some toolboxes exist for EEG signal processing. In recent years virtual reality (VR) technology has entered into the BCI research area to simulate the real world situations and enhance the subject performance. In this work, a completely MATLAB-based MI-based BCI system is proposed and implemented in order to navigate into a virtual environment. In addition, a variety of features types were employed to select the best ones in the proposed system with the use of linear discriminant analysis (LDA) classifier through some interactive graphical user interfaces (GUIs). The results show the feasibility of the proposed BCI system in the subject training with or without feedback and even navigation into a virtual home.","PeriodicalId":308726,"journal":{"name":"20th Iranian Conference on Electrical Engineering (ICEE2012)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117032749","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}
Pub Date : 2012-05-15DOI: 10.1109/IRANIANCEE.2012.6292354
H. Naderian, A. Hakimi, M. Movahhedi
This paper presents a wideband low-noise mixer in CMOS 0.13-um technology that operates between 2-10.5 GHz. The mixer has a Gilbert cell configuration that employs broadband low-noise transconductors designed using the negative-positive feedback technique used in low-noise amplifier designs. This method allows broadband input matching. The current-bleeding technique is also used so that a high conversion gain can be achieved. Simulation results show excellent noise and gain performance across the frequency span with an average double-sideband noise figure of 2.9 dB and a conversion gain of 15.5 dB. It has a third-order intermodulation intercept point of -8.7 dBm at 5 GHz.
{"title":"A wideband low-noise downconversion mixer with positive-negative feedbacks","authors":"H. Naderian, A. Hakimi, M. Movahhedi","doi":"10.1109/IRANIANCEE.2012.6292354","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2012.6292354","url":null,"abstract":"This paper presents a wideband low-noise mixer in CMOS 0.13-um technology that operates between 2-10.5 GHz. The mixer has a Gilbert cell configuration that employs broadband low-noise transconductors designed using the negative-positive feedback technique used in low-noise amplifier designs. This method allows broadband input matching. The current-bleeding technique is also used so that a high conversion gain can be achieved. Simulation results show excellent noise and gain performance across the frequency span with an average double-sideband noise figure of 2.9 dB and a conversion gain of 15.5 dB. It has a third-order intermodulation intercept point of -8.7 dBm at 5 GHz.","PeriodicalId":308726,"journal":{"name":"20th Iranian Conference on Electrical Engineering (ICEE2012)","volume":"09 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128249648","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}
Pub Date : 2012-05-15DOI: 10.1109/IRANIANCEE.2012.6292551
Mehdi Ghamari Adian, H. Aghaeinia
The problem of resource allocation in a spectrum leasing scenario in Cooperative Cognitive Radio Networks (CCRN) is addressed, in this work. The system model consists of a number of primary user (PU) pairs and a secondary user (SU) pair. We propose a solution for resource allocation problem in the spectrum leasing scenario. More specifically, we determine when is beneficial for a PU to lease its unused spectrum portion to SU and how much of PU's resource is optimum to be leased. The SU is supposed to cooperate with PUs by relaying the PUs' signals, in return. Besides, the optimum allocated cooperating power of SU to relay each PU's signals is determined. An efficient auction mechanism is proposed and the existence of the Nash Equilibrium (NE) for the proposed auction game is proved.
{"title":"Spectrum leasing in cooperative cognitive radio networks: An auction-based approach","authors":"Mehdi Ghamari Adian, H. Aghaeinia","doi":"10.1109/IRANIANCEE.2012.6292551","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2012.6292551","url":null,"abstract":"The problem of resource allocation in a spectrum leasing scenario in Cooperative Cognitive Radio Networks (CCRN) is addressed, in this work. The system model consists of a number of primary user (PU) pairs and a secondary user (SU) pair. We propose a solution for resource allocation problem in the spectrum leasing scenario. More specifically, we determine when is beneficial for a PU to lease its unused spectrum portion to SU and how much of PU's resource is optimum to be leased. The SU is supposed to cooperate with PUs by relaying the PUs' signals, in return. Besides, the optimum allocated cooperating power of SU to relay each PU's signals is determined. An efficient auction mechanism is proposed and the existence of the Nash Equilibrium (NE) for the proposed auction game is proved.","PeriodicalId":308726,"journal":{"name":"20th Iranian Conference on Electrical Engineering (ICEE2012)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128286615","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}
Pub Date : 2012-05-15DOI: 10.1109/IRANIANCEE.2012.6292592
M. Khaleghi H, H. K. Bizaki, S. M. Razavizadeh
Tomlinson-Harashima Precoding (THP) is a good candidate in MIMO systems due to its simple implementation. Although THP method has a number of advantages in MIMO systems, however, it staffers from some drawbacks including modulo loss, shaping loss and power loss. In the THP technique, due to modulo operation, the transmitted symbols are distributed over a bounded region which is larger than the original constellation. Hence, the transmitted power will be increased. It is shown that the transmitted power can be reduced significantly by tilting or rotating the original constellation and hence, some of the power loss are recovered. In this paper, a tilted constellation method is developed for MIMO-ZF-THP and MIMO-MMSE-THP systems and in both centralized and decentralized (multiuser) scenarios. In the proposed methods, each transmit antenna uses a different rotating angle individually to tilt the constellation. The simulation results show that the proposed method outperforms the conventional MIMO-THP technique. In addition it is shown that the performance gain in the decentralized MIMO-THP scenario is more than the centralized MIMO-THP.
{"title":"Transmit power reduction in MIMO-THP using tilted constellation","authors":"M. Khaleghi H, H. K. Bizaki, S. M. Razavizadeh","doi":"10.1109/IRANIANCEE.2012.6292592","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2012.6292592","url":null,"abstract":"Tomlinson-Harashima Precoding (THP) is a good candidate in MIMO systems due to its simple implementation. Although THP method has a number of advantages in MIMO systems, however, it staffers from some drawbacks including modulo loss, shaping loss and power loss. In the THP technique, due to modulo operation, the transmitted symbols are distributed over a bounded region which is larger than the original constellation. Hence, the transmitted power will be increased. It is shown that the transmitted power can be reduced significantly by tilting or rotating the original constellation and hence, some of the power loss are recovered. In this paper, a tilted constellation method is developed for MIMO-ZF-THP and MIMO-MMSE-THP systems and in both centralized and decentralized (multiuser) scenarios. In the proposed methods, each transmit antenna uses a different rotating angle individually to tilt the constellation. The simulation results show that the proposed method outperforms the conventional MIMO-THP technique. In addition it is shown that the performance gain in the decentralized MIMO-THP scenario is more than the centralized MIMO-THP.","PeriodicalId":308726,"journal":{"name":"20th Iranian Conference on Electrical Engineering (ICEE2012)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128641382","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}
Pub Date : 2012-05-15DOI: 10.1109/IRANIANCEE.2012.6292434
S. A. Marashi, A. Jahanian
Automotive embedded systems are widely used in modern vehicles such as cars, aircrafts and so on. However, modeling and evaluation of these systems is very challenging because time-to-market is very short and vehicles use very different platforms with various sensors, operating systems and embedded software modules. In this paper, we propose a TrueTime-based networked automotive platform (TrueFlex) which enables modeling and simulation of processing units, operating system kernels, communication bus and sensors/actuators in realtime or non-realtime automotive systems. This platform is easily upgradeable and provides different abstraction levels for modeling of automotive embedded systems with very informative reports and graphs. This platform is implemented and evaluated in this paper to show its very useful capabilities for automotive electronic designers.
{"title":"TrueFlex: A flexible and efficient evaluation platform for networked automotive systems","authors":"S. A. Marashi, A. Jahanian","doi":"10.1109/IRANIANCEE.2012.6292434","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2012.6292434","url":null,"abstract":"Automotive embedded systems are widely used in modern vehicles such as cars, aircrafts and so on. However, modeling and evaluation of these systems is very challenging because time-to-market is very short and vehicles use very different platforms with various sensors, operating systems and embedded software modules. In this paper, we propose a TrueTime-based networked automotive platform (TrueFlex) which enables modeling and simulation of processing units, operating system kernels, communication bus and sensors/actuators in realtime or non-realtime automotive systems. This platform is easily upgradeable and provides different abstraction levels for modeling of automotive embedded systems with very informative reports and graphs. This platform is implemented and evaluated in this paper to show its very useful capabilities for automotive electronic designers.","PeriodicalId":308726,"journal":{"name":"20th Iranian Conference on Electrical Engineering (ICEE2012)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124629361","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}
Pub Date : 2012-05-15DOI: 10.1109/IRANIANCEE.2012.6292332
S. Masoodian, M. A. Khalatbari
In this paper a new control logic circuit for successive approximation register analog-to-digital converter (SA-ADC) is proposed. In the proposed digital circuit architecture, the number of flip-flops is reduced and the flip-flops do not need set and reset nodes. The simulation results of a 5-bit, 100 MS/s ADC in a 0.18-μm technology show that the digital power consumption of the proposed structure is reduced by a factor of 17% and the overall power consumption is reduced around 10% in comparison with the conventional counterpart.
{"title":"A power-efficient successive approximation ADC using an improved control logic circuit","authors":"S. Masoodian, M. A. Khalatbari","doi":"10.1109/IRANIANCEE.2012.6292332","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2012.6292332","url":null,"abstract":"In this paper a new control logic circuit for successive approximation register analog-to-digital converter (SA-ADC) is proposed. In the proposed digital circuit architecture, the number of flip-flops is reduced and the flip-flops do not need set and reset nodes. The simulation results of a 5-bit, 100 MS/s ADC in a 0.18-μm technology show that the digital power consumption of the proposed structure is reduced by a factor of 17% and the overall power consumption is reduced around 10% in comparison with the conventional counterpart.","PeriodicalId":308726,"journal":{"name":"20th Iranian Conference on Electrical Engineering (ICEE2012)","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124659283","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}
Pub Date : 2012-05-15DOI: 10.1109/IRANIANCEE.2012.6292369
E. Mohadesrad, K. Abedi
In this paper, two-electrode structure for quantum-dot semiconductor optical amplifiers (QD-SOAs) is studied, in order to find the optimized lengths for electrodes which in those lengths, the optical gain of the device reaches its maximum. To this end, the rate equation model has been employed and solved through finite difference method and MATLAB ODE.
{"title":"Electrode lengths optimization for two-electrode quantum-dot semiconductor optical amplifiers","authors":"E. Mohadesrad, K. Abedi","doi":"10.1109/IRANIANCEE.2012.6292369","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2012.6292369","url":null,"abstract":"In this paper, two-electrode structure for quantum-dot semiconductor optical amplifiers (QD-SOAs) is studied, in order to find the optimized lengths for electrodes which in those lengths, the optical gain of the device reaches its maximum. To this end, the rate equation model has been employed and solved through finite difference method and MATLAB ODE.","PeriodicalId":308726,"journal":{"name":"20th Iranian Conference on Electrical Engineering (ICEE2012)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124776089","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}
Pub Date : 2012-05-15DOI: 10.1109/IRANIANCEE.2012.6292315
Farzad Ahmadi Gooraji, M. Sharifi
A comprehensive model is proposed for calculating I-V characteristic in single layer single carrier organic light emitting diodes (OLEDs). Unlike previous works, the model doesn't have any pre-assumption regarding the conduction regimes of Injection Limited Current (ILC) and Space Charge Limited Current (SCLC). For the first time, a quantitative index for the conduction regime is introduced which is included all the important factors regarding the conduction regime, such as bias voltage, barrier height, carrier mobility, device length, and temperature. Furthermore, the Index value versus barrier height and carrier mobility is examined in detail. Subsequently, it is demonstrated that the results agree extremely well with experimental data in a much wider range of bias than any before reported models.
{"title":"A comprehensive conduction regime in organic light emitting diodes","authors":"Farzad Ahmadi Gooraji, M. Sharifi","doi":"10.1109/IRANIANCEE.2012.6292315","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2012.6292315","url":null,"abstract":"A comprehensive model is proposed for calculating I-V characteristic in single layer single carrier organic light emitting diodes (OLEDs). Unlike previous works, the model doesn't have any pre-assumption regarding the conduction regimes of Injection Limited Current (ILC) and Space Charge Limited Current (SCLC). For the first time, a quantitative index for the conduction regime is introduced which is included all the important factors regarding the conduction regime, such as bias voltage, barrier height, carrier mobility, device length, and temperature. Furthermore, the Index value versus barrier height and carrier mobility is examined in detail. Subsequently, it is demonstrated that the results agree extremely well with experimental data in a much wider range of bias than any before reported models.","PeriodicalId":308726,"journal":{"name":"20th Iranian Conference on Electrical Engineering (ICEE2012)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130535181","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}
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