Sajjad Beygi

Publication Activity (10 Years)

Years Active: 2011-2022
Publications (10 Years): 9

Top Topics

Sparse Approximation

Factorization Methods

Dialogue System

Channel Estimation

Top Venues

IEEE Trans. Signal Process.

IEEE Trans. Veh. Technol.

Publications

Yi-Lin Tuan, Sajjad Beygi, Maryam Fazel-Zarandi, Qiaozi Gao, Alessandra Cervone, William Yang Wang
Towards Large-Scale Interpretable Knowledge Graph Reasoning for Dialogue Systems. CoRR (2022)
Yi-Lin Tuan, Sajjad Beygi, Maryam Fazel-Zarandi, Qiaozi Gao, Alessandra Cervone, William Yang Wang
Towards Large-Scale Interpretable Knowledge Graph Reasoning for Dialogue Systems. ACL (Findings) (2022)
Sajjad Beygi, Maryam Fazel-Zarandi, Alessandra Cervone, Prakash Krishnan, Siddhartha Reddy Jonnalagadda
Logical Reasoning for Task Oriented Dialogue Systems. CoRR (2022)
Sajjad Beygi, Amr Elnakeeb, Sunav Choudhary, Urbashi Mitra
Bilinear Matrix Factorization Methods for Time-Varying Narrowband Channel Estimation: Exploiting Sparsity and Rank. IEEE Trans. Signal Process. 66 (22) (2018)
Sajjad Beygi, Urbashi Mitra
Structured estimation of time-varying narrowband wireless communication channels. ICASSP (2017)
Sajjad Beygi, Shirin Jalali, Arian Maleki, Urbashi Mitra
An efficient algorithm for compression-based compressed sensing. CoRR (2017)
Sajjad Beygi, Shirin Jalali, Arian Maleki, Urbashi Mitra
Compressed sensing of compressible signals. ISIT (2017)
Sajjad Beygi, Urbashi Mitra
Time-varying narrowband channel estimation: Exploiting low-rank and sparsity via bilinear representation. ACSSC (2016)
Sunav Choudhary, Sajjad Beygi, Urbashi Mitra
Delay-Doppler estimation via structured low-rank matrix recovery. ICASSP (2016)
Sajjad Beygi, Urbashi Mitra
Structured methods for underwater wideband signals localization using sensor networks. ACSSC (2015)
Sajjad Beygi, Urbashi Mitra
Multi-Scale Multi-Lag Channel Estimation Using Low Rank Approximation for OFDM. IEEE Trans. Signal Process. 63 (18) (2015)
Sajjad Beygi, Urbashi Mitra, Mariane R. Petraglia
Multi-scale multi-lag channel estimation via linearization of training signal spectrum and sparse approximation. ICASSP (2015)
Sajjad Beygi, Urbashi Mitra, Erik G. Ström
Nested Sparse Approximation: Structured Estimation of V2V Channels Using Geometry-Based Stochastic Channel Model. IEEE Trans. Signal Process. 63 (18) (2015)
Sajjad Beygi, Urbashi Mitra
Multi-scale multi-lag channel estimation using low rank structure of received signal. ICASSP (2014)
Sajjad Beygi, Erik G. Ström, Urbashi Mitra
Structured sparse approximation via generalized regularizers: With application to V2V channel estimation. GLOBECOM (2014)
Sajjad Beygi, Erik G. Ström, Urbashi Mitra
Geometry-based stochastic modeling and estimation of vehicle to vehicle channels. ICASSP (2014)
Mehdi Maleki, Hamid-Reza Bahrami, Sajjad Beygi, Mohammadmehdi Kafashan, Nghi H. Tran
Space Modulation With CSI: Constellation Design and Performance Evaluation. IEEE Trans. Veh. Technol. 62 (4) (2013)
Sajjad Beygi, Urbashi Mitra
Optimal Bayesian Resampling for OFDM Signaling Over Multi-scale Multi-lag Channels. IEEE Signal Process. Lett. 20 (11) (2013)
Mohammadmehdi Kafashan, Sajjad Beygi, Mehdi Maleki, Ahmad Danaee, Nghi H. Tran, Hamid-Reza Bahrami
Channel Regularization and Vector Perturbation for Dual-Hop Precoded AF Relaying in Downlink Transmission. VTC Spring (2013)
Sajjad Beygi, Mohammadmehdi Kafashan, Hamid-Reza Bahrami, Tho Le-Ngoc, Mehdi Maleki
Space-Time Trellis Codes for Two-Way Relay MIMO Channels With Single-Antenna Relay Nodes. IEEE Trans. Veh. Technol. 62 (8) (2013)
Sajjad Beygi, Srinivas Yerramalli, Urbashi Mitra
Optimal Bayesian resampling for OFDM signaling over multi-scale multi-lag channels. WUWNet (2012)
Samuel Ghebremariam, Sajjad Beygi, Hamid-Reza Bahrami, Yilmaz Sozer, Hamed Mohsenian Rad
Energy production cost and PAR minimization in multi-source power networks. ISGT (2012)
Shashwat Jnawali, Sajjad Beygi, Hamid-Reza Bahrami
A Low-Complexity Method to Compensate IQ-Imbalance and Phase Noise in MIMO-OFDM Systems. GLOBECOM (2011)
Shashwat Jnawali, Sajjad Beygi, Hamid-Reza Bahrami
RF Impairments Compensation and Channel Estimation in MIMO-OFDM Systems. VTC Fall (2011)
Mehdi Sadeghzadeh, Sajjad Beygi, Hamid-Reza Bahrami
Null Space Precoding for Downlink Network MIMO Systems with No CSI. VTC Fall (2011)
Mohammed Eltayeb, Hamid-Reza Bahrami, Yahya Al-Harthi, Sajjad Beygi
Exploiting Multiuser Diversity in OFDMA Systems with Limited Feedback. VTC Fall (2011)
Sajjad Beygi, Hamid-Reza Bahrami, Tho Le-Ngoc
Space-Time Codes for Amplify-and-Forward (AF) Relay Channels: Performance and Code Design. GLOBECOM (2011)