Ali Olfat

56 papers B 4Journal 44Unranked 8
YearRankTypeTitle / Venue / Authors
2026 J jnl
One-snapshot on-grid and off-grid channel estimation in uplink large-scale millimeter-wave MIMO using an exponential penalty function.
Signal Process.
Mohammadreza Nargesi, Ali Olfat
2025 J jnl
Decode and Forward Relaying for SC-FDE Systems with a Multi-Antenna Relay.
CoRR
Farshad Dizani, Ali Olfat
2025 J jnl
Joint Beamforming and Resource Allocation for STAR-IRS-Aided SCMA ISAC Systems Using Meta Deep Reinforcement Learning.
IEEE Trans. Wirel. Commun.
Armin Farhadi, Ali Olfat, Christos Masouros
2025 J jnl
Spectrum Sharing in STAR-RIS-assisted UAV with NOMA for Cognitive Radio Networks.
CoRR
Ali Nazari, Ali Olfat
2024 J jnl
Optimizing hybrid beamforming in millimeter-wave massive multiple-input multiple-output systems: A gradient projection approach.
Trans. Emerg. Telecommun. Technol.
Mehrdad Momen-Tayefeh, Ali Olfat
2024 J jnl
Wideband DOA estimation using modal orthogonality.
Telecommun. Syst.
Mostafa Parhizkar, Ali Olfat, Mojtaba Amiri
2023 J jnl
Resource allocation and BER performance analysis of NOMA based cooperative networks.
Telecommun. Syst.
Ali Olfat
2023 J jnl
Subspace based DOA estimation of DS-CDMA signals.
Telecommun. Syst.
Amir Ghasemian, Ali Olfat, Mojtaba Amiri
2022 J jnl
Performance analysis of subspace-based spatio-temporal spectral estimator.
Trans. Emerg. Telecommun. Technol.
Shervin Amirsoleimani, Ali Olfat
2021 J jnl
Cooperative beamforming with link-adaptive regenerative relays.
IET Commun.
Hesam Moharrer, Ali Olfat
2020 J jnl
Analogue beamforming solution for beam-alignment problem.
IET Commun.
Mahdi Rastegari, Ali Olfat, Ebrahim Amini
2020 J jnl
Wideband modal orthogonality: A New approach for broadband DOA estimation.
Signal Process.
Shervin Amirsoleimani, Ali Olfat
2019 J jnl
Joint beamforming and space-time coding in limited-feedback cooperative networks with threshold-based MIMO selection relaying.
Trans. Emerg. Telecommun. Technol.
Mahsa Shirzadian Gilan, Ali Olfat
2019 J jnl
Probability bounds of cross-layer interference in femtocell-underlay cellular networks employing interference alignment.
IET Commun.
Alireza Ghiamatyoun, Ali Olfat
2019 J jnl
Single stage DOA-frequency representation of the array data with source reconstruction capability.
Signal Process.
Shervin Amirsoleimani, Ali Olfat
2018 J jnl
New beamforming and distributed space-time coding with selection relaying over Nakagami-m fading channels.
Trans. Emerg. Telecommun. Technol.
Mahsa Shirzadian Gilan, Ali Olfat
2018 J jnl
New beamforming and space-time coding for two-path successive decode and forward relaying.
IET Commun.
Mahsa Shirzadian Gilan, Ali Olfat
2018 J jnl
On the performance of space-time coding and threshold-based selection relaying in cooperative networks with multiple antenna relays.
Trans. Emerg. Telecommun. Technol.
Mahsa Shirzadian Gilan, Ali Olfat
2017 — conf
On the performance of distributed space-time coding with selection relaying and beamforming for two-path successive relay network.
BlackSeaCom
Mahsa Shirzadian Gilan, Ali Olfat
2017 — conf
Sigmoid function detector in the Presence of heavy-tailed noise for multiple antenna cognitive radio networks.
ICC
Mohammad Yavari Manesh, Ali Olfat
2017 J jnl
Soft-Limited Polarity-Coincidence-Array Spectrum Sensing in the Presence of Non-Gaussian Noise.
IEEE Trans. Veh. Technol.
Mohammad Karimzadeh, Amir Masoud Rabiei, Ali Olfat
2016 J jnl
Bounds on achievable degrees of freedom in blind cellular networks.
IET Commun.
Alireza Ghiamatyoun, Ali Olfat
2016 J jnl
Interwoven random unitary beamforming for MIMO broadcast channels.
Trans. Emerg. Telecommun. Technol.
Sayed Ata Sattarzadeh, Ali Olfat
2016 J jnl
New Beamforming and Relay Selection for Two-Way Decode-and-Forward Relay Networks.
IEEE Trans. Veh. Technol.
Alireza Sheikh, Ali Olfat
2015 J jnl
Cooperative Beamforming for Two-Hop Multi-Relay Decode-and-Forward Networks.
IEEE Trans. Commun.
Hesam Moharrer, Ali Olfat, Norman C. Beaulieu
2015 J jnl
Diversity achieving schemes for two-way multi-antenna relay networks in Nakagami-m fading.
IET Commun.
Alireza Sheikh, Ali Olfat
2015 J jnl
Downlink Interference Alignment in Two-Tier Femtocell Networks.
Wirel. Pers. Commun.
Alireza Ghiamatyoun, Ali Olfat
2015 J jnl
Novel Beamforming Scheme for Multicasting in Cooperative Wireless Networks With a Multiple Antenna Relay.
IEEE Trans. Wirel. Commun.
Mohammad Mohammadi Amiri, Ali Olfat, Norman C. Beaulieu
2014 J jnl
Joint relay selection and cooperative beamforming in two-hop multi-relay decode-and-forward networks.
IET Commun.
Hesam Moharrer, Ali Olfat
2014 J jnl
Outage Performance of Hybrid Decode-Amplify-Forward Protocol with the nth Best Relay Selection.
Wirel. Pers. Commun.
Ehsan Olfat, Ali Olfat
2014 J jnl
Performance improvement of the PU2RC transmission schemes.
IET Commun.
Sayed Ata Sattarzadeh, Ali Olfat
2014 J jnl
Subspace Smoothing for Direction of Arrival Estimation in DS-CDMA Systems.
Wirel. Pers. Commun.
Maryam Abolfath Beygi, Ali Olfat
2013 J jnl
BER-Constrained Incremental Relaying with Relay Selection in Cooperative Wireless Networks.
Wirel. Pers. Commun.
Ali H. Bastami, Ali Olfat
2013 J jnl
Optimal incremental relaying in cooperative diversity systems.
IET Commun.
Ali H. Bastami, Ali Olfat
2013 J jnl
Pilot Symbol Parameter Optimization Based on Imperfect Channel State Prediction for OFDM Systems.
IEEE Trans. Commun.
Mahdi Karami, Ali Olfat, Norman C. Beaulieu
2012 — conf
An efficient resource allocation scheme for OFDMA-based cooperative cognitive radio networks with minimum power constraint.
IST
Yoones Hashemi, Ali Olfat
2012 J jnl
Bounds on the Throughput Performance of PU2RC and Its Application in Mode Switching.
IEEE Trans. Veh. Technol.
Sayed Ata Sattarzadeh, Ali Olfat
2012 — conf
Periodic spectrum sensing parameters optimization in cognitive radio networks.
ICT
Borzoo Rassouli, Ali Olfat
2012 J jnl
Periodic spectrum sensing parameters optimization in cognitive radio networks.
IET Commun.
Borzoo Rassouli, Ali Olfat
2012 — conf
Spectrum sensing with energy detection under fast and slow multipath fading.
ICT
Borzoo Rassouli, Ali Olfat
2011 B conf
Bounds on the throughput performance of PU
PIMRC
Sayed Ata Sattarzadeh, Ali Olfat
2011 J jnl
CFAR detection for multistatic radar.
Signal Process.
Vahideh Amanipour, Ali Olfat
2011 J jnl
Optimal SNR-based selection relaying scheme with M-ary modulations in cooperative wireless networks.
IET Commun.
Ali H. Bastami, Ali Olfat
2011 J jnl
Performance of hybrid decode-amplify-forward protocol for multiple relay networks over independent and non-identical flat fading channels.
IET Commun.
E. Olfat, Ali Olfat
2011 J jnl
Selection Relaying Schemes for Cooperative Wireless Networks With Adaptive Modulation.
IEEE Trans. Veh. Technol.
Ali H. Bastami, Ali Olfat
2010 J jnl
Optimal SNR-based selection relaying scheme in multi-relay cooperative networks with distributed space-time coding.
IET Commun.
Ali H. Bastami, Ali Olfat
2010 B conf
Pilot Symbol Assisted Adaptive Modulation for OFDM Systems with Imperfect Channel State Information.
GLOBECOM
Mahdi Karami, Ali Olfat, Norman C. Beaulieu
2010 J jnl
Subspace based direction of arrival estimation of DS-CDMA signals using orthogonal projection.
Signal Process.
Maryam Abolfath Beygi, Ali Olfat
2008 — conf
Enhanced RSS based location estimation with Disk Overlapping in wireless sensor networks.
ICT
Mahdy Nabaee, Ali Olfat
2008 — conf
Fast Blind Adaptive Channel Shortening Using Signal Subspace.
VTC Spring
Mahdi Karami, Ali Olfat
2008 J jnl
Optimum Power and Rate Adaptation for MQAM in Rayleigh Flat Fading With Imperfect Channel Estimation.
IEEE Trans. Veh. Technol.
Ali Olfat, Mohammad Shikh-Bahaei
2007 B conf
A New Subspace Method for Direction of Arrival Estimation of Multipath Signals in DS- CDMA Systems.
PIMRC
Maryam Abolfath Beygi, Ali Olfat
2005 — conf
Joint SNR Target and Rate Adaptation Based on Bit Error Rate Estimation.
ISWCS
Lay Teen Ong, Ali Olfat, Mohammad Shikh-Bahaei
2004 J jnl
A new signal subspace processing for DOA estimation.
Signal Process.
Ali Olfat, Said Nader-Esfahani
2002 B conf
Lattice decoding for space-time codes with new approach.
PIMRC
Khalil Dolatyar, Lotfollah Beygi Harchegani, Ali Olfat
2001 J jnl
A neural network approach to magnitude retrieval.
Signal Process.
Ali Olfat, Hamid Soltanian-Zadeh