• QoE Aware Application Placement in Fog Environment Using SAW Game Theory Method 

  Mirzapour-Moshizi, Maryam؛ Sattari-Naeini, Vahid (Shahed University, 2022-01-01)

  Today, fog computing plays an essential role in human life. One of the challenges in the fog and cloud environment is the hierarchical service process. Requests are sent to Fog, and if Fog cannot provide service, they are ...

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• An Efficient Proxy-Based Message Authentication Framework in Vehicular Ad-hoc Networks 

  Derakhshan-Barjoei, Pouya؛ Rajabzadeh, Maryam (Shahed University, 2022-01-01)

  In the recent research on Vehicular Ad-hoc Networks (VANETs), new practical goals are pursued. They provide real-world communications between vehicles and make them reliable and easily used. The VANETs have a fundamental ...

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• Key Pre-distribution Scheme in Fog Networks with Multi Clouds 

  Tajeri, Majid؛ Haj Seyyed Javadi, Hamid؛ Bayat, Majid؛ Shiri, Mohammad Ebrahim (Shahed University, 2022-01-01)

  Creating a secure communication channel in hierarchical networks is a very important issue and several algorithms have been proposed for it. Unfortunately, due to limited resources in fog networks, which are a special type ...

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• The Circularly Polarized Sandglass-Shaped Dielectric Resonator (DR) Antenna with Cross-Shaped Slot 

  Rezvani, Masoumeh؛ Nikmehr, saeid؛ pourziad, ali (Shahed University, 2022-01-01)

  A new circularly polarized (CP) dielectric resonator (DR) antenna is addressed in this research. A cross-shaped slot embedded on the ground plane is used as a feed of a sandglass-shaped dielectric resonator (SSDR). An ...

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• Receiver Design in Relaying Systems based on the Level of CSI at Relay 

  Haghighi, Ali Asghar (Shahed University, 2022-01-01)

  Receiver structure either coherent or non-coherent in a relay channel with amplify and forward (AF) and decode and forward (DF) relaying schemes is studied and a new receiver is proposed for both relaying schemes. In the ...

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• Security Evaluation of Cyber-Physical Systems by Modeling Attacks against Control Loops 

  Sepehrzadeh, Hamed (Shahed University, 2022-01-01)

  Cyber-physical systems (CPSs) are deeply intertwining and integrating the physical processes with cyber components. In these intelligent systems, a process is monitored and controlled by cyber systems and different types ...

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• Ultra-Compact Half-Mode SIW FPDs with Arbitrary Power Division Ratios Using Spiral Technique 

  Danaeian, Mostafa؛ Pezhman, Mohammad Mahdi؛ Baniasadi, Hamid؛ Noori, Hossein (Shahed University, 2022-01-01)

  Three ultra-compact half-mode substrate integrated waveguide (HMSIW) equal/unequal filtering power dividers (FPDs) based on the metamaterial concept and the evanescent mode technique are recommended in this paper. The ...

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• Deep Learning-Based Channel Estimation in OFDM Systems for Time-Varying Rayleigh Fading Channels 

  Roozitalab, Tahereh؛ Bahramgiri, Hossein؛ Farhang, Mohsen؛ Javadyfar, Ali (Shahed University, 2022-01-01)

  For Orthogonal Frequency Division multiplexing (OFDM) systems in environments with high mobility and non-stationary channel characteristics, channel estimation is a very challenging task. To handle this issue, a deep ...

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• A Fast Automatic Modulation Classification Based on STFT Using Hybrid Deep Neural Network 

  Hassan, Ashwaq؛ Mohassel Feghhi, Mahmood؛ Esmaeili, Vida (Shahed University, 2021-07-01)

  Automatic modulation classification is used in various applications, including satellite communication systems, military communication, and submarine communications. In this paper, the automatic classification of modulation ...

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• Compact Triple Notched Bandpass Filter Based on Multimode Resonator 

  Hayati, Mohsen؛ Kanjorian, Milad؛ Namaki, Pouya؛ Shama, Farzin (Shahed University, 2021-07-01)

  A miniaturized ultra-wideband (UWB) microstrip bandpass filter (BPF) with triple notched Bands using a new multimode resonator (MMR) is designed in this letter. The MMR is accompanied by folded high-impedance interdigital ...

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• A Miniaturized Fractal Defected Ground Structure Super-Widedband Antenna for Wireless Communication Systems 

  Dastranj, Aliakbar؛ Javidi, Zahra (Shahed University, 2021-07-01)

  A low profile fractal defected ground structure (DGS) antenna is presented for super-wideband (SWB) wireless communication applications. The designed antenna covers a very wide frequency range from 1 to 27.4 GHz (impedance ...

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• Resource Allocation for Secure Ultra-Reliable Low-Latency-Communication in IoT Applications 

  Sorkhi Asbaghi, Solmaz؛ Mohassel Feghhi, Mahmood؛ Musevi Niya, Mir Javad (Shahed University, 2021-07-01)

  The Internet of Things (IoT) has a significant demand in society due to its features, and it is constantly improving. In the context of wireless technology, Ultra-reliable and low-latency communication (URLLC) is one of ...

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• Distributed Targets Modelling using Canonical shapes in Synthetic Aperture Radar Systems 

  Behzad Fallahpour, Mojtaba؛ Sadat Vaez, Narjes؛ Dehghani, Hamid؛ Ghasemi, Elham (Shahed University, 2021-07-01)

  In this paper, in order to simplify calculation of the distributed target response, a new model of distributed targets is presented using monostatic SAR (Synthetic Aperture Radar) imagery. Distributed targets are strategic, ...

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• TLS Noise Reduction and Sensitivity Improvement of the Microwave Kinetic Inductance Detectors 

  javadzadeh, seyed mohammad hassan؛ Farivar, Ali (Shahed University, 2021-07-01)

  In this paper, we report the sensitivity of superconducting detector resonators and shows which kind of detector is appropriate for detecting cosmic microwave background (CMB). Photons absorbed from galaxies have information ...

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• The Evolutionary Game-Based Dynamics of Sybil Attack Prevention in WSN 

  Navaei Tourani, Azadeh؛ Haj seyed javadi, Seyed hamid؛ Navidi Ghaziani, Hamidreza؛ sharifi, Arash (Shahed University, 2021-07-01)

  Today, wireless sensor networks are widely employed in various applications, including monitoring environments and tracking objects for military surveillance, industrial applications, and healthcare. Thus, the establishment ...

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• Microstrip Band-pass Filter with Adjustable Center Frequency and Fixed Bandwidth Property Using a Modified 3-Section SIR Resonator 

  Geran Gharakhili, Fateme؛ Vaezi, Ali (Shahed University, 2021-07-01)

  This paper presents a novel microstrip bandpass filter (BPF), whose one of the most important feature of the filter is that the bandwidth remains fix as the center frequency changes. Therefore, the structure is suitable ...

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• Fuzzy Identity Based Encryption with a flexible threshold value 

  Khajouei-Nejad, Sedigheh؛ Jabbehdari, Sam؛ Haj Seyyed Javadi, Hamid؛ Moattar, Seyed Mohammad Hossein (Shahed University, 2021-07-01)

  In recent years, the problem of online data and information security has been increasingly serious and prevalent. Security issues are resolved via cryptography. Access control over the encrypted messages is necessary for ...

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• Differential Received Signal Strength-Based Localization for an Iso-gradient Sound Speed Profile with Unknown Transmitted Power 

  Poursheikhali, Saleheh؛ Zamiri-Jafarian, Hossein (Shahed University, 2021-01-01)

  localization plays a significant role in lots of underwater applications. Underwater communications encounter critical challenges different from terrestrial wireless sensor networks. In this study, we focus on the challenges ...

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• Steady-State Performance Analysis of Incremental Variable Tap-Length Algorithm in WSNs Under Noisy Links condition 

  Azarnia, Ghanbar؛ Tinati, Mohammad Ali (Shahed University, 2021-01-01)

  Recently proposed distributed incremental fractional tap-length (FT) variable-length least mean square (LMS) technique do not consider noisy links errors, which occur during the communication of local estimations between ...

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• Energy Efficient Clustering in IOT-Based Wireless Sensor Networks using Whale Optimization Algorithm 

  Rezaee, Abbas ali؛ Raeisosadat, Seyedeh Mahnaz (Shahed University, 2021-01-01)

  One of the most critical challenges of wireless sensor networks is the limited energy of the nodes, which has tried to manage energy consumption in these networks by using more accurate clustering. So far, many methods ...

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