activity
20152026
most citedDistributed Differentially Private Computation of Functions with Correlated Noise

7 citations · 18 across the 9 of their papers we have counts for

collaborators

12 papers

cs.IT2026

On the Adversarial Vulnerability of Neural Receivers with Unrolled LDPC Decoders

Aakash Saini, Jafar Aco Mohammadi, Wolfgang Gerstacker

Neural receivers for 5G New Radio (NR) match classical model-based receivers in link-level performance, but their robustness to adversarial perturbations at the receiver input rema…

eess.SP2024★ 1 cited

Waveform Learning under Phase Noise Impairment for Sub-THz Communications

Dileepa Marasinghe, Le Hang Nguyen, Jafar Mohammadi +3

The large untapped spectrum in sub-THz allows for ultra-high throughput communication to realize many seemingly impossible applications in 6G. Phase noise (PN) is one key hardware…

cs.IT2023

Constellation Shaping under Phase Noise Impairment for Sub-THz Communications

Dileepa Marasinghe, Le Hang Nguyen, Jafar Mohammadi +3

The large untapped spectrum in the sub-THz allows for ultra-high throughput communication to realize many seemingly impossible applications in 6G. One of the challenges in radio co…

eess.SP2023

Minimizing Energy Consumption in MU-MIMO via Antenna Muting by Neural Networks with Asymmetric Loss

Nuwanthika Rajapaksha, Jafar Mohammadi, Stefan Wesemann +2

Transmit antenna muting (TAM) in multiple-user multiple-input multiple-output (MU-MIMO) networks allows reducing the power consumption of the base station (BS) by properly utilizin…

cs.IT2021★ 4 cited

Blind Coherent Preamble Detection via Neural Networks

Jafar Mohammadi, Gerhard Schreiber, Thorsten Wild +1

In wireless communications systems, the user equipment (UE) transmits a random access preamble sequence to the base station (BS) to be detected and synchronized. In standardized ce…

cs.ET2021

Interference Prediction for Low-Complexity Link Adaptation in Beyond 5G Ultra-Reliable Low-Latency Communications

Alessandro Brighente, Jafar Mohammadi, Paolo Baracca +2

Traditional link adaptation (LA) schemes in cellular network must be revised for networks beyond the fifth generation (b5G), to guarantee the strict latency and reliability require…

eess.SP2020★ 1 cited

Turbo-AI: Iterative Machine Learning Based Channel Estimation for 2D Massive Arrays

Yejian Chen, Jafar Mohammadi, Stefan Wesemann +1

Recently, Machine Learning (ML) is recognized as an effective tool for wireless communications and plays an evolutionary role to enhance Physical Layer (PHY) of 5th Generation (5G)…

eess.SP2020

Interference Distribution Prediction for Link Adaptation in Ultra-Reliable Low-Latency Communications

Alessandro Brighente, Jafar Mohammadi, Paolo Baracca

The strict latency and reliability requirements of ultra-reliable low-latency communications (URLLC) use cases are among the main drivers in fifth generation (5G) network design. L…

stat.ML2019★ 5 cited

Improved Differentially Private Decentralized Source Separation for fMRI Data

Hafiz Imtiaz, Jafar Mohammadi, Rogers Silva +4

Blind source separation algorithms such as independent component analysis (ICA) are widely used in the analysis of neuroimaging data. In order to leverage larger sample sizes, diff…

cs.LG2019★ 7 cited

Distributed Differentially Private Computation of Functions with Correlated Noise

Hafiz Imtiaz, Jafar Mohammadi, Anand D. Sarwate

Many applications of machine learning, such as human health research, involve processing private or sensitive information. Privacy concerns may impose significant hurdles to collab…

cs.IT2015

Strong Secrecy and Stealth for Broadcast Channels with Confidential Messages

Igor Bjelakovic, Jafar Mohammadi, Sławomir Stańczak

We consider a discrete memoryless broadcast channel consists of two users and a sender. The sender has two independent confidential messages for each user. We extend the work of Li…

cs.IT2015

A Simple Algorithm for Approximation by Nomographic Functions

Steffen Limmer, Jafar Mohammadi, Slawomir Stanczak

This paper introduces a novel algorithmic solution for the approximation of a given multivariate function by a nomographic function that is composed of a one-dimensional continuous…