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علی الفت

استاد

تاریخ به‌روزرسانی: 1404/01/06

علی الفت

دانشکدگان ‌فنی / دانشکده مهندسی‌ برق‌ و کامپیوتر

مقالات علمی چاپ شده در مجلات

  1. "Optimizing hybrid beamforming in millimeter‐wave massive multiple‐input multiple‐output systems: A gradient projection approach"
    Mehrdad Momen tayefeh, Ali Olfat
    Transactions on Emerging Telecommunications Technologies, Vol. 35, No 8, pp.1-17, 2024
  2. "Wideband DOA estimation using modal orthogonality"
    Mostafa Parhizkar, Ali Olfat, Mojtaba Amiri
    TELECOMMUNICATION SYSTEMS, Vol. -, pp.1-11, 2024
  3. "Resource Allocation and BER Performance Analysis of NOMA Based Cooperative Networks"
    Ali Olfat
    TELECOMMUNICATION SYSTEMS, Vol. 83, No 2, 2023
  4. "Subspace Based DOA Estimation of DS-CDMA Signals"
    Amir Ghasemianlangroodi, Ali Olfat, Mojtaba Amiri
    TELECOMMUNICATION SYSTEMS, Vol. 12, No 14, pp.1-12, 2023
  5. "Performance analysis of subspace-based spatio-temporal spectral estimator"
    shervin Amirsoleimani, Ali Olfat
    Transactions on Emerging Telecommunications Technologies, Vol. 11, No 12, 2022
  6. "Cooperative Beamforming with Link-Adaptive Regenerative relays"
    Hesam Moharrer, Ali Olfat
    IET Communications, Vol. 14, No 16, pp.1-16, 2020
  7. "Wideband modal orthogonality: A New approach for broadband DOA estimation"
    shervin Amirsoleimani, Ali Olfat
    SIGNAL PROCESSING, Vol. 176, No 5, pp.1-11, 2020
  8. "Analogue beamforming solution for beamalignment problem"
    Mehdi Rastegari, Ali Olfat, Ebrahim Amini
    IET Communications, Vol. 14, No 16, pp.1-8, 2020
  9. "Joint beamforming and space-time coding in limited-feedback cooperative networks with threshold-based MIMO selection relaying"
    Mahsa Shirzadian Gilan, Ali Olfat
    Transactions on Emerging Telecommunications Technologies, Vol. 1, No 1, pp.1-14, 2019
  10. "Probability bounds of cross-layer interference in femtocell-underlay cellular networks employing interference alignment"
    Alireza Ghiamatyoun, Ali Olfat
    IET Communications, Vol. 13, No 16, pp.2590-2600, 2019
  11. "Single stage DOA-frequency representation of the array data with source reconstruction capability"
    shervin Amirsoleimani, Ali Olfat
    SIGNAL PROCESSING, Vol. 162, No 1, 2019
  12. "New beamforming and distributed space‐time coding with selection relaying over Nakagami‐m fading channels"
    Mahsa Shirzadian Gilan, Ali Olfat
    Transactions on Emerging Telecommunications Technologies, Vol. 29, No 12, pp.1-20, 2018
  13. "On the performance of space‐time coding and threshold‐based selection relaying in cooperative networks with multiple antenna relays"
    Mahsa Shirzadian Gilan, Ali Olfat
    Transactions on Emerging Telecommunications Technologies, Vol. 29, No 9, pp.1-20, 2018
  14. "New beamforming and space-time coding for two-path successive decode and forward relaying"
    Mahsa Shirzadian Gilan, Ali Olfat
    IET Communications, Vol. 12, No 13, pp.1573-1588, 2018
  15. "Bounds on achievable degrees of freedom in blind cellular networks"
    Alireza Ghiamatyoun, Ali Olfat
    IET Communications, Vol. 10, No 15, pp.2034-2042, 2016
  16. "Interwoven random unitary beamforming for MIMO broadcast channels"
    Ata Sattarzadeh, Ali Olfat
    Transactions on Emerging Telecommunications Technologies, Vol. 27, No 6, pp.798-813, 2016
  17. "New Beamforming and Relay Selection for Two-Way Decode-and-Forward Relay Networks"
    Alireza Sheikh, Ali Olfat
    IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, Vol. 65, No 3, pp.1354-1366, 2016
  18. "Soft-Limited Polarity-Coincidence-Array Spectrum Sensing in the Presence of Non-Gaussian Noise"
    Mohammad Karimzadeh, Amir Masoud Rabiei, Ali Olfat
    IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, Vol. PP, No 99, pp.1-10, 2016
  19. "Cooperative Beamforming for Two-Hop Multi-Relay Decode-and-Forward Networks"
    Hesam Moharrer, Ali Olfat, Norman C. Beaulieu
    IEEE TRANSACTIONS ON COMMUNICATIONS, Vol. 63, No 9, pp.3143-3156, 2015
  20. "Diversity achieving schemes for two-way multi-antenna relay networks in Nakagami-m fading"
    Alireza Sheikh, Ali Olfat
    IET Communications, Vol. 9, No 13, pp.1561-1574, 2015
  21. "Novel Beamforming Scheme for Multicasting in Cooperative Wireless Networks With a Multiple Antenna Relay"
    Mohammad Mohammadi Amiri, Ali Olfat, Norman C. Beaulieu
    IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, Vol. 14, No 8, pp.4482-4493, 2015
  22. "Downlink Interference Alignment in Two-Tier Femtocell Networks"
    Alireza Ghiamatyoun, Ali Olfat
    WIRELESS PERSONAL COMMUNICATIONS, Vol. 82, No 2, pp.777-798, 2014
  23. "Joint relay selection and cooperative beamforming in two-hop multi-relay decode-and-forward networks"
    Hesam Moharrer, Ali Olfat
    IET Communications, Vol. 8, No 18, pp.3245-3253, 2014
  24. "Outage Performance of Hybrid Decode–Amplify–Forward Protocol with the nth Best Relay Selection"
    Ehsan Olfat, Ali Olfat
    WIRELESS PERSONAL COMMUNICATIONS, Vol. 76, No 4, pp.1-9, 2014
  25. "Performance improvement of the PU2RC transmission schemes"
    Ata Sattarzadeh, Ali Olfat
    IET Communications, Vol. 8, No 6, pp.1-13, 2014
  26. "Subspace Smoothing for Direction of Arrival Estimation in DS-CDMA Systems"
    Maryam Abolfath-beygi, Ali Olfat
    WIRELESS PERSONAL COMMUNICATIONS, Vol. 74, No 2, pp.211-228, 2014
  27. "Pilot Symbol Parameter Optimization Based on Imperfect Channel State Prediction for OFDM Systems"
    Mahdi Karami, Ali Olfat, Norman C. Beaulieu
    IEEE TRANSACTIONS ON COMMUNICATIONS, Vol. 61, No 6, pp.2557-2567, 2013
  28. "Optimal Incremental Relaying in Cooperative Diversity Systems"
    Ali Habibi Bastami, Ali Olfat
    IET Communications, Vol. 7, No 2, pp.152-168, 2013
  29. "BER-Constrained Incremental Relaying with Relay Selection in Cooperative Wireless Networks"
    Ali Habibi Bastami, Ali Olfat
    WIRELESS PERSONAL COMMUNICATIONS, Vol. 72, No 1, pp.1-16, 2013
  30. "Periodic spectrum sensing parameters optimisation in cognitive radio networks"
    Borzoo Rassouli, Ali Olfat
    IET Communications, Vol. 6, No 18, pp.3329-3338, 2012
  31. "Bounds on the Throughput Performance of PU2RC and Its Application in Mode Switching"
    Ata Sattarzadeh , Ali Olfat
    IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, Vol. 61, No 2, pp.876-882, 2012
  32. "Performance of Hybrid Decode - Amplify - Forward Protocol for Multiple Relay Networks over Independent and Non - identical Flat Fading Channels"
    Ehsan Olfat , Ali Olfat
    IET Communications, Vol. 5, No 14, pp.2018-2027, 2011
  33. "Selection Relaying Schemes for Cooperative Wireless Networks with Adaptive Modulation"
    Ali Habibi Bastami, Ali Olfat
    IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, Vol. 60, No 4, pp.1358-1339, 2011
  34. "CFAR Detection for Multistatic Radar"
    Vahideh Amanipour , Ali Olfat
    SIGNAL PROCESSING, Vol. 91, No 1, pp.28-37, 2011
  35. "Subspace Based Direction of Arrival Estimation of DS - CDMA Signals Using Orthogonal Projection"
    Maryam Abolfath Beygi , Ali Olfat
    SIGNAL PROCESSING, Vol. 90, No 3, pp.932-926, 2010
  36. "Optimum Power and Rate Adaptation for MQAM in Rayleigh Flat Fading With Imperfect Channel Estimation"
    Ali Olfat, Mohammad Shikh Bahaei
    IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, Vol. 57, No 4, pp.2627-2622, 2008
  37. "New receiver for multiuser detection of CDMA signals with antenna arrays"
    Ali Olfat, Said Nader Esfahani
    IEE Proceedings, Vol. 151, No 2, pp.151-143, 2004
  38. "A New Signal Subspace Processing for DOA Estimation"
    Ali Olfat, Said Nader Esfahani
    SIGNAL PROCESSING, Vol. 84, No 4, pp.728-721, 2004
  39. "الگوریتم پرتودهی جدید برای شبکه های همیار با رله دیکد و ارسال چندآنتنه"
    محمد محمدی امیری، علی الفت
    نشریه مهندسی برق و مهندسی کامپیوتر ایران، نسخه 14، شماره 1، صفحات:67-72، 1395
  40. "بررسی احتمال خطای پروتکل دیکد- تقویت- ارسال با انتخاب بهترین و n-امین بهترین رله در شبکه های همیار با رله های موازی"
    احسان الفت، علی الفت
    نشریه مهندسی برق و مهندسی کامپیوتر ایران، نسخه 11، شماره 2، صفحات:1-6، 1394
  41. "آشکارسازی همزمان زیرکانال های همبسته OFDM برای سنجش طیف در شبکه های رادیوشناختگر"
    برزو رسولی، علی الفت
    نشریه مهندسی برق و مهندسی کامپیوتر ایران، نسخه 14، شماره 2، صفحات:1-6، 1391

مقالات علمی ارائه شده در همایش‌ها

  1. "Efficient signal detection via compressive sensing in uplink massive MIMO systems"
    Soroush Mesforush Mashhad, Mojtaba Amiri, Ali Olfat
    2024 32nd International Conference on Electrical Engineering (ICEE), 2024
  2. "High Performance Detector for Massive MIMO Systems Using an Adaptive Filtering Approach"
    Masoud Tahmasbi Fard, Mojtaba Amiri, Ali Olfat
    2024 32nd International Conference on Electrical Engineering (ICEE), 2024
  3. "Non-Orthogonal Variable Multi-Band Carrier-Less Amplitude and Phase Modulation with Reduced Subcarriers"
    Pooria Tabeshmehr, Ali Olfat, zabih Ghassemlooy, Stanislav Zvanovec
    West Asian Colloquium on Optical Wireless Communications (WACOWC), 2019
  4. "On the Performance of Distributed Space-Time Coding with Selection Relaying and Beamforming for Two-Path Successive Relay Network"
    Mahsa Shirzadian Gilan, Ali Olfat
    IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom), 2017
  5. "Sigmoid function detector in the Presence of heavy-tailed noise for multiple antenna cognitive radio networks"
    Mohammad Yavari, Ali Olfat
    IEEE International Conference on Communications (ICC-2017), 2017
  6. "Low complexity adaptive transmission scheme for cooperative networks with decode-and-forward relay"
    Mohammad Mohammadi Amiri, Ali Olfat
    International Symposium on Telecommunications, 2014
  7. "Novel MMSE based DF filter and forward relaying strategy in frequency selective channels"
    Alireza Sheikh, Ali Olfat
    International Symposium on Telecommunications, 2014
  8. "New beamforming method for two-way relay networks"
    Alireza Sheikh, Ali Olfat
    International Symposium on Telecommunications, 2014
  9. "Joint power and subcarrier allocation in OFDMA-based cooperative cognitive networks"
    Younes Hashemi, Ali Olfat
    Iranian Conference on Electrical Engineering, 2013
  10. "An efficient resource allocation scheme for OFDMA-based cooperative cognitive radio networks with minimum power constraint"
    Younes Hashemi, Ali Olfat
    International Symposium on Telecommunications, 2012
  11. "Periodic Spectrum Sensing Parameters Optimization in Cognitive Radio Networks"
    Borzoo Rassouli, Ali Olfat
    International Conference on Telacommunications (ICT 2012, 2012
  12. "Spectrum Sensing with Energy Detection under Fast and Slow Multipath Fading"
    Borzoo Rassouli, Ali Olfat
    International Conference on Telecommunications (ICT 2012, 2012
  13. "Bounds on Throughput performance of PU2RC"
    Ata Sattarzadeh, Ali Olfat
    IEEE International Symposium on Personal Indoor and Mobile Radio Communications, 2011