Ali Mohammad Afshin Hemmatyar

Assistant Professor
Department of Computer Engineering
Sharif University of Technology

Phone: 6616-6630
Room: 812
Email: hemmatyar@sharif.edu

 

[ Education ]

[ Background ]

[ Research Interests ]

[ Graduate Students ]

[ Publications ]

[ Courses ]

 

 

 

 

 

Last Modified on: Saturday, October 04, 2014 06:47

Educational Background


Professional Background


Research Interests

 


Graduate Students

         Ph.D.

Graduated:

  1. Hadi Talebi                            "Real-time Fusion of Asynchronous Data in Spread Sensor Networks", 2013.

Current:

  1. Maryam Tahani                     "Inferring Diffusion Networks in Dynamic Online Social Networks"
  2. Seyed Amir Ali Ghafourian   "Analysis and Performance Enhancement of MAC Layer Protocols for Vehicular Ad Hoc Networks"
  3. Amin Bazzazi
  4. Mohammad Taheri Tehrani
  5. Sima Shamaei
  6. Monireh Allahgholi
  7. Mohammad Amirkhani

         

           M.Sc.

Graduated:

  1. Moosareza Boroumand            "Survey on RFID Specifications and Requirements for Using in a License Plate", 2009.
  2. Mojgan Khaledi                        "Mobility Pattern Recognition in Mobile Ad-Hoc Networks", 2009.
  3. Mohammad Soroush Arzani     "Real Time Location Finding of Vehicles in Transport Systems", 2010.
  4. Taha Abachi                              "An Intelligent Spectrum Management Framework in Cognitive Radio Networks", 2010.
  5. Yousef Ramezani                      "Improvement of Resource Management Algorithms in Cognitive Radio Networks", 2010.
  6. Mohsen Kazemi                        "An Optimum Routing Protocol in Cognitive Radio Networks", 2011.
  7. Amin Tahmasebi                       "Spectrum Sharing Optimization in Cognitive Radio Networks", 2011.
  8. Masoumeh Nazarieh                 "Evaluation of Granularity of Reconfigurable Architectures for Wireless Communication Applications", 2011.
  9. Soha Shabahang                        "Physical Fault Injection Methods for Evaluating Embedded Processors", 2011.
  10. Majid Ashuri                             "Energy-Efficient Reliable Data Aggregation in Wireless Sensor Networks", 2011.
  11. Sajjad Safir                                "Performance Improvement of Intrusion Detection Systems for Wireless Networks", 2012.
  12. Mohammad Elahi                      "Improvement in Quality of Service for Multi-hop Cognitive Radio Networks", 2012.
  13. Fatemeh Ghods                          "A Multi-channel Scheme for Fast Data Collection in Wireless Sensor Networks", 2012.
  14. Zohreh Fath Fathabadi              "Improving Privacy in Trust Management", 2012.
  15. Mahdieh Inanloo                       "Increasing the Life-time of Wireless Sensor Networks using Data Prediction", 2012.
  16. Fahimeh Javanmard
  17.                   "Improving Anomaly Detection Methods for Intrusion Detection in MANETs", 2012.
  18. Mahdi Zarrinpour                      "Energy-aware Routing in Cognitive Wireless Sensor Networks", 2013.
  19. Iman Malool                              "Improving Quality of Service in Multimedia Wireless Sensor Networks", 2013.
  20. Ahmad Forouzani                      "New Mobility Model for MANETs Based on Real Data of Human Mobility", 2013.
  21. Shahbaz Rezaei                          "Multi-Path Routing in Cognitive Radio Networks", 2013.
  22. Sepideh Sfandeh                        "A Heuristic Method for Optimization of Node Placement in Wireless Sensor Networks", 2013.
  23. Vahid Rajbar Bafghi                 "An Approach for Security Improvement in VANETs", 2013.
  24. Maryam Saeidi                          "Secure Data Collection in Wireless Multimedia Sensor Networks", 2013.
  25. Ali Sepehrian                             "A Multi-Weight Based Clustering Algorithm for Mobile Wireless Sensor Networks", 2014.
  26. Ghassem Samimi                       "Efficient Data Collection in Wireless Sensor Networks", 2014.
  27. Seyedeh Roghaye Mousavi        "Congestion Control in Wireless Multimedia Sensor Networks", 2014.
  28. Manizhe Yadegari                     "Improvement of Routing Protocols in Delay-Tolerant Mobile Networks", 2014.
  29. Parisa Taherian                         "A Combinatorial Method of Context-Based and Social-based Routing Protocols for Opportunistic Networks", 2014.
  30. Maryam Rezaei                         "Improvement of Context-based Routing Approaches in Opportunistic Networks", 2014.
  31. Sajjad Rahmani                        "Improving the Performance of Transport Layer Protocols in Cognitive Radio Networks", 2014.
  32. Arash Sarabi                             "A Method for Monitoring Software Defined Networks", 2014.
  33. Kaveh Kadkhoda                      "Improvement of Routing Protocols in VANETs", 2014.

 

 

Current:

  1. Shahab Nasrollahzadeh             "A Method for Clustering in Mobile Wireless Sensor Networks"
  2. Danesh Zeynali                          "QoS-Aware Routing with Energy Constraint in Wireless Multimedia Sensor Networks"
  3. Nazanin Kasaei                         "Improving the Quality of Service of Wireless Sensor Networks in Smart Grids"
  4. Arman Ahmadi                         "Improving Routing Protocols in VANETs"
  5. Fershteh Ansari                        "Packet Loss Correlation Study for Vehicular Safety Communications"
  6. Farid Zarazvand                       "Congestion Control in VANETs"
  7. Marayam Pourfarj                    "Improvement of Energy Consumption of Wireless Sensor Networks using Cluster-based Routing Protocols"
  8. Mehdy Samimi                          "Improving Performance of Broadcast Routing in VANETs"
  9. Arash Mandomi                        "Improving Quality of Service in VANETs"
  10. Sharooz Aghili                          "Data Aggregation in Wireless Sensor Networks Using Evolutionary Algorithms"
  11. Ali Movaffagh                          "Efficient Method for Data Aggregation for K-coverage in Wireless Sensor Networks"

 

 


 

Publications

    

 Journal Papers  

  1. A. M. Afshin Hemmatyar, and Forouhar Farzaneh, "Sensitivity Analysis of Feed-forward Linearized Amplifier System to Amplitude and Phase Mismatch, "Sharif Journal of Science & Technology, Vol. 38, pp.103-108, 2007. (In Persian)
  2. A. M. Afshin Hemmatyar and Forouhar Farzaneh, “Prediction of Inter-modulation Rejection Values for the First and Second Adjacent Channels in Feed–forward Microwave Amplifiers Using Closed-Form Expressions,” IET Microwave, Antenna & Propagation, Volume1, Issue 3, pp. 782-789, June 2007.
  3. A. M. Afshin Hemmatyar and Forouhar Farzaneh, “A New Analytical Approach in Modeling of Multi-loop Feed–forward Microwave Power Amplifiers,”AEU, International Journal of Electronics and Communications, Available online since August 2, 2007.
  4. Mohammad Rashtian, Omid Hashemipour and A.M. Afshin Hemmatyar, "A Simple Time Domain Approach to Noise Analysis of  Switched Capacitor Circuits," IEICE Electronics Express, Vol.7, No. 11, pp. 745-750, June 2010.

  5. Hojjatollah Esmaili, Yousef Ramezani, and A.M. Afshin Hemmatyar, "ATC Enhancement Using SSSC, a Case Study of Harmony vs. PSO,"Journal of Basic and Applied Scientific Research, Vol. 2, No. 4, pp. 3416-3425, April 2012.

  6. Mohammad Rashtian, A.M. Afshin Hemmatyar, and Omid Hashemipour, "A New Simple Method for analyzing of Thermal Noise in Switched Capacitor Filters," International Journal of Electronics, Available online since June 1, 2012, http://www.tandfonline.com/loi/tetn20.

  7. Hadi Talebi and A. M. Afshin Hemmatyar, "Asynchronous Track-to-Track Fusion by Direct Estimation of Time of Sample in Sensor Networks," IEEE Sensors Journal, Vol. 14, Issue 1, pp. 210-217, January 2014. (Also available online since September 21, 2013.)

  8. Fatemeh Ghods, Hamed Yousefi, A. M. Afshin Hemmatyar, and Ali Movaghar, "MC-MLAS: Multi-Channel Minimum Latency Aggregation Scheduling in Wireless Sensor Networks," Computer Networks, Elsevier, Vol. 57, pp. 3812-3825, 2013.

 Conference Papers   

  1. A. M. Afshin Hemmatyar, and Forouhar Farzaneh, “Monte-Carlo Analysis for Estimation of Practical Inter-modulation Rejection Values in Feed–forward Microwave Amplifiers”, 13th Int. Conf. on Communications, Funchal, Madeira, Portugal, May 2006.
  2. A. M. Afshin Hemmatyar, and Forouhar Farzaneh, “Estimation of Practical Inter-modulation Rejection Values in a Multi-Loop Feed-forward Microwave Power Amplifier Using Monte-Carlo Method, 14th Int. Conf. on Communications, Penang, Malaysia, May 2007.
  3. MJ Khaledi, A. M. Afshin Hemmatyar, H. R. Rabiee, S. M. Mousavi, and MH. Khaledi, "Mobility Analyzer: A Framework for Analysis and Recognition of Mobility Traces in Mobile Ad-Hoc Networks", IEEE NTMS 2009, Egypt, December 2009.
  4. Taha Abachi, A. M. Afshin Hemmatyar, Mohammad Amin Fazli, and Mohammad Izadi, "Centralized Spectrum Sensing Using New Algorithmic Techniques," CRNet 2010, Bijing, China, August 2010.
  5. Majid Ashouri, Hamed Yousefi, A. M. Afshin Hemmatyar, and Ali Movaghar, "FOMA: Flexible Overlay Multi-path Data Aggregation in Wireless Sensor Networks," IEEE ICSE 2012, Turkey, July 2012.
  6. Mahdieh Inanloo, Majid Ashouri, Sanaz Gheibi, and A. M. Afshin Hemmatyar, "A New Approach for Multi-Source Data Prediction in Wireless Sensor Networks: Collaborative Filtering," Wireless Networking Symposium, China, October 2012.
  7. Seyed Amir Ali Ghafourian Ghahramani, and A. M. Afshin Hemmatyar, "A New Hybrid Model for Performance Evaluation of IEEE 802.11p Broadcast Mode in Vehicular Ad Hoc Networks: A Numerical Analysis," 2013 International Conference on Connected Vehicles & Expo., Las Vegas, Nevada, USA, December 2-6, 2013.
  8. Ghassem Samimi, Ehsan Saradar Torshizi, and A. M. Afshin Hemmatyar, "Wireless Sensor Network Lifetime Maximization Using Multiple Mobile Sink Nodes," Symposium on Computer Networks and Distributed Systems, Tehran, Iran, December 25-27, 2013.
  9. Sajedeh Harraz, and A. M. Afshin Hemmatyar, "Study and Comparison of Methods for Detection and Defense Against Worm-Hole Attack in Wireless Sensor Networks," Presented in 19th National Conference of Computer Society of Iran, Shahid Beheshti University, Tehran, Iran, March 2014. (In Persian)
  10. Sepeedieh Sfandeh, and A. M. Afshin Hemmatyar, "Optimum Placement of Wireless Sensor Network Nodes Using Combination of BigBang-BigCranch Algorithms," Presented in 19th National Conference of Computer Society of Iran, Shahid Beheshti University, Tehran, Iran, March 2014. (In Persian)
  11. Ahmad Foroozani, Mohammed Gharib, A. M. Afshin Hemmatyar, and Ali Movaghar, "A Novel Human Mobility Model for MANETs Based on Real Data," ICCCN WiMAN 2014, Shanghai, China, August 4-7, 2014.
  12. Zohre Fath FAthabadi, Sadegh Dorri Nogoorani,and A. M. Afshin Hemmatyar, "CR-SMTC: Collusion-Resistant Multi-Party Trust Computation," 11th International Conference of Information Security and Cryptology, Tehran University, Tehran, Iran, September 3-4, 2014.

     




Courses

          Fall 2014

  1. Wireless Communication (Tehran & Kish)
  2. Data Communications (Kish)
  3. Technical and Scientific Presentation (Tehran)
  4. Data Transmission (Tehran & Kish)
  5. Statistics and Probability in Engineering (Tehran)

 

           Spring 1992 to Spring 2014

  1. Wireless Networking

  2. Wireless Communication

  3. Data Communications

  4. Data Transmission

  5. Technical and Scientific Presentation

  6. Computer Measurement and Control

  7. Logic Design

  8. Fundamentals of Electrical and Electronic Circuits

  9. Linear Active Circuits

  10. Signals and Systems

  11. Linear Control Systems

  12. Electrical Circuits I

  13. Electrical Circuits II

  14. Electronics I

  15. Electronics II

  16. Electronic Circuits

  17. Digital Electronics

  18. Pulse Techniques

  19. The laboratory of above courses