13 citations · 13 across the 5 of their papers we have counts for
5 papers
Tick-Tock on the Open Fronthaul: Securing Synchronization in O-RAN
Yiwei Zhang, Enrico Pisanti, Imtiaz Karim +2
The Precision Time Protocol (PTP) provides the time and phase synchronization required by disaggregated Open Radio Access Networks (O-RAN). Yet, in current open fronthaul deploymen…
Securing Agentic AI: From Per-Action Checks to Trajectory Assurance
Alireza Lotfi, Subangkar Karmaker Shanto, Imtiaz Karim +1
Autonomous agents are increasingly used to execute consequential tasks in environments governed by operational constraints, organizational policies, regulatory requirements, and te…
Breaking 5G on The Lower Layer
Subangkar Karmaker Shanto, Imtiaz Karim, Elisa Bertino
As 3GPP systems have strengthened security at the upper layers of the cellular stack, plaintext PHY and MAC layers have remained relatively understudied, though interest in them is…
Contrastive Self-Supervised Learning Based Approach for Patient Similarity: A Case Study on Atrial Fibrillation Detection from PPG Signal
Subangkar Karmaker Shanto, Shoumik Saha, Atif Hasan Rahman +2
In this paper, we propose a novel contrastive learning based deep learning framework for patient similarity search using physiological signals. We use a contrastive learning based…
BayesBeat: Reliable Atrial Fibrillation Detection from Noisy Photoplethysmography Data
Sarkar Snigdha Sarathi Das, Subangkar Karmaker Shanto, Masum Rahman +4
Smartwatches or fitness trackers have garnered a lot of popularity as potential health tracking devices due to their affordable and longitudinal monitoring capabilities. To further…