12 citations · 35 across the 31 of their papers we have counts for
33 papers
Adaptive DOA Estimation With KL-Based Kernel Bandwidth Adaptation Under Impulsive Noise
Mojtaba Hajiabadi, Saeid Pakravan, Ghosheh Abed Hodtani +1
Direction-of-arrival (DOA) estimation can degrade markedly in impulsive noise, where methods relying on Gaussian or second-order statistical assumptions are particularly susceptibl…
Inner and Outer Bounds on the Secrecy Capacity of Degraded Broadcast Channels with RMSI and Transmitter CSI
Saeid Pakravan, Mohsen Ahmadzadeh, Ghosheh Abed Hodtani
This paper studies the secrecy capacity of a class of degraded broadcast channels in the presence of an external eavesdropper, where a transmitter aims to deliver two independent c…
Copula Function Parameter Regions in Analyzing Wireless Communications Performances
Mona Mohsenzadeh, Saeid Pakravan, Ghosheh Abed Hodtani
Copula functions have been widely employed in wireless communication analysis to model dependence structures and evaluate system performance. However, existing studies generally ex…
Fluid Antenna-Enabled Hybrid NOMA and AirFL Networks Under Imperfect CSI and SIC
Saeid Pakravan, Mohsen Ahmadzadeh, Ming Zeng +2
The integration of communication and computation is essential for next-generation wireless systems, especially in scenarios demanding massive connectivity and ultra-low latency. Ov…
Performance Analysis of Fluid Antenna-Assisted Over-the-Air Federated Learning Under Spatially Correlated Fading
Mohsen Ahmadzadeh, Saeid Pakravan, Wessam Ajib +3
Fluid antenna (FA) technology has recently emerged as an effective means of exploiting spatial diversity through position-domain reconfigurability. This paper investigates the inte…
Robust Resource Allocation in RIS-Assisted Wireless Networks Integrating NOMA and Over-the-Air Federated Learning
Saeid Pakravan, Mohsen Ahmadzadeh, Ming Zeng +4
This paper addresses the critical issue of spectrum scarcity and the need to support diverse services, including communication and learning tasks, by presenting a reconfigurable in…
Robust Resource Allocation for Over-the-Air Computation Networks with Fluid Antenna Array
Saeid Pakravan, Mohsen Ahmadzadeh, Ming Zeng +3
Fluid antenna (FA) array is envisioned as a promising technology for next-generation communication systems, owing to its ability to dynamically control the antenna locations. In th…
Enhanced Over-the-Air Federated Learning Using AI-based Fluid Antenna System
Mohsen Ahmadzadeh, Saeid Pakravan, Ghosheh Abed Hodtani +3
This paper investigates an over-the-air federated learning (OTA-FL) system that employs fluid antennas (FAs) at an access point. The system enhances learning performance by leverag…
Channel Parameter Estimation in the Presence of Phase Noise Based on Maximum Correntropy Criterion
Amir Alizadeh, Ghosheh Abed Hodtani
Oscillator output generally has phase noise causing the output power spectral density (PSD) to disperse around a Dirac delta function. In this paper, the AWGN channel is considered…
The Role of Correlation in the Doubly Dirty Fading MAC with Side Information at the Transmitters
Farshad Rostami Ghadi, Ghosheh Abed Hodtani, F. Javier Lopez-Martinez
We investigate the impact of fading correlation on the performance of the doubly dirty fading multiple access channel (MAC) with non-causally known side information at transmitters…
Performance Analysis and Optimization of NOMA with HARQ for Short Packet Communications in Massive IoT
Fatemeh Ghanami, Ghosheh Abed Hodtani, Branka Vucetic +1
In this paper, we consider the massive non-orthogonal multiple access (NOMA) with hybrid automatic repeat request (HARQ) for short packet communications. To reduce the latency, eac…
A New and More General Capacity Theorem for the Gaussian Channel with Two-sided Input-Noise Dependent State Information
Nima S. Anzabi-Nezhad, Ghosheh Abed Hodtani, Mohammad Molavi Kakhki
In this paper, a new and general version of Gaussian channel in presence of two-sided state information correlated to the channel input and noise is considered. Determining a gener…
Coverage Region Analysis for MIMO Amplify-and-Forward Relay Channel with the Source to Destination Link
Behrooz Razeghi, Ghosheh Abed Hodtani, Seyed Alireza Seyedin
In this paper we study and analyze coverage region for half-duplex multiple-input multiple-output (MIMO) relay channel with amplify-and-forward (AF) strategy at the relay station.…
Capacity Bounds and a Certain Capacity Region for Special Three-Receiver Broadcast Channels with Side Information
Sajjad Bahrami, Ghosheh Abed Hodtani
The fact that the results for 2-receiver broadcast channels (BCs) are not generalized to the 3-receiver ones is of information theoretical importance. In this paper we study two cl…
A Generalized Write Channel Model for Bit-Patterned Media Recording
Sima Naseri, Somaie Yazdani, Behrooz Razeghi +1
In this paper, we propose a generalized write channel model for bit-patterned media recording by considering all sources of errors causing some extra disturbances during write proc…
Analysis of Coverage Region for MIMO Relay Network with Multiple Cooperative DF-Relays
Behrooz Razeghi, Alireza Alizadeh, Sima Naseri +2
We study and analyze coverage region in MIMO communication systems for a multiple-relay network with decode-and-forward (DF) strategy at the relays. Assuming that there is a line-o…
On the Capacity of Special Classes of Gaussian Relay Networks with Orthogonal Components and Noncausal State Information at Source
Amir Sonee, Ghosheh Abed Hodtani
In this paper, we study relay networks with orthogonal components in presence of noncausal channel state information (CSI) available at the source. We propose an upper bound on the…
State-Dependent Z Channel
Saeed Hajizadeh, Mostafa Monemizadeh
In this paper we study the Z channel with side information non-causally available at the encoders. We use Marton encoding along with Gelfand-Pinsker random binning scheme and Chong…
Capacity Bounds for Dirty Paper with Exponential Dirt
Mostafa Monemizadeh, Saeed Hajizadeh, Ghosheh Abed Hodtani +1
The additive exponential noise channel with additive exponential interference (AENC-AEI) known non-causally at the transmitter is studied. This channel can be considered as an expo…
Compound Multiple Access Channel with Common Message and Intersymbol Interference
Mostafa Monemizadeh, Saeed Hajizadeh, Seyed Alireza Seyedin +1
In this paper, we characterize the capacity region for the two-user linear Gaussian compound Multiple Access Channel with common message (MACC) and with intersymbol interference (I…
Three-Receiver Broadcast Channel with Side Information
Saeed Hajizadeh, Ghosheh Abed Hodtani
Three-Receiver broadcast channels (BC) are of interest due to their information-theoretic differences with two-receiver one. In this paper, we derive achievable rate regions for tw…
State-Dependent Multiple Access Channels with Feedback
Saeed Hajizadeh, Ghosheh Abed Hodtani
In this paper, we examine discrete memoryless Multiple Access Channels (MACs) with two-sided feedback in the presence of two correlated channel states that are correlated in the se…
Analysis of Coverage Region for MIMO Relay Channel
Alireza Alizadeh, Ghosheh Abed Hodtani
In this paper we investigate the optimal relay location in the sense of maximizing suitably defined coverage region for MIMO relay channel. We consider the general Rayleigh fading…
Achievable Rate Regions for the Dirty Multiple Access Channel with Partial Side Information at the Transmitters
Elham Bahmani, Ghosheh Abed Hodtani
In this paper, we establish achievable rate regions for the multiple access channel (MAC) with side information partially known (estimated or sensed version) at the transmitters. A…