Publications (20)
Comparing fast imaging techniques for individual pulse imaging by Cherenkov in vivo from electron FLASH irradiation
Mahbubur Rahman, M. Ramish Ashraf, Rongxiao Zhang +6
Objective: In this study, a fast imaging technique was developed for the first in vivo Cherenkov emission imaging from an ultra-high dose rate (UHDR) electron beam source at single…
Enabling Scalability in Asynchronous and Bidirectional Communication in LPWAN
Mahbubur Rahman
LPWANs have become ubiquitous due to their ability to connect sensors over large geographic areas in a single hop. It is, however, very challenging to achieve massive scalability i…
Electron FLASH platform for pre-clinical research: LINAC modification, simplification of pulse control and dosimetry
Banghao Zhou, Lixiang Guo, Weiguo Lu +7
Background: FLASH radiotherapy is a treatment regime that delivers therapeutic dose to tumors at an ultra-high dose rate while maintaining adequate normal tissue sparing. However,…
Long-Lived LoRa: Prolonging the Lifetime of a LoRa Network
Sezana Fahmida, Venkata P Modekurthy, Mahbubur Rahman +2
Prolonging the network lifetime is a major consideration in many Internet of Things applications. In this paper, we study maximizing the network lifetime of an energy-harvesting Lo…
Treatment Planning System for Electron FLASH Radiotherapy: Open-source for Clinical Implementation
Mahbubur Rahman, M. Ramish Ashraf, David J. Gladstone +7
Purpose: A Monte Carlo (MC) beam model and its implementation in a clinical treatment planning system (TPS, Varian Eclipse) are presented for a modified ultra-high dose-rate electr…
LPWAN in the TV White Spaces: A Practical Implementation and Deployment Experiences
Mahbubur Rahman, Dali Ismail, Venkata P Modekurthy +1
Low-Power Wide-Area Network (LPWAN) is an enabling Internet-of-Things (IoT) technology that supports long-range, low-power, and low-cost connectivity to numerous devices. To avoid…
Failure Mode and Effects Analysis (FMEA) for Experimental Use of FLASH on a Clinical Accelerator
Mahbubur Rahman, Rongxiao Zhang, David J. Gladstone +6
Background: Use of a linear accelerator in ultra-high dose rate (UHDR) mode can provide a conduit for wider access to UHDR FLASH effects, sparing normal tissue, but care needs to b…
Low-Power Wide-Area Network Design
Mahbubur Rahman
LPWAN is an enabling technology for long-range, low-power, and low-cost IoT/CPS applications. Recently, multiple LPWAN technologies have been developed that operate in the licensed…
Characterization of a Diode Dosimeter for UHDR FLASH Radiotherapy
Mahbubur Rahman, Jakub Kozelka, Jeff Hildreth +8
Purpose: A diode EDGE Detector with a newly designed electrometer has been characterized for use in an UHDR electron beam and demonstrated appropriateness for UHDR FLASH radiothera…
CoughTrigger: Earbuds IMU Based Cough Detection Activator Using An Energy-efficient Sensitivity-prioritized Time Series Classifier
Shibo Zhang, Ebrahim Nemati, Minh Dinh +6
Persistent coughs are a major symptom of respiratory-related diseases. Increasing research attention has been paid to detecting coughs using wearables, especially during the COVID-…
Electron FLASH Delivery at Treatment Room Isocenter for Efficient Reversible Conversion of a Clinical LINAC
Mahbubur Rahman, M. Ramish Ashraf, Rongxiao Zhang +8
Purpose: In this study, procedures were developed to achieve efficient reversible conversion of a clinical linear accelerator (LINAC) and deliver electron FLASH (eFLASH) or convent…
An Internet of Intelligent Things Framework for Decentralized Heterogeneous Platforms
Vadim Allayev, Mahbubur Rahman
Internet of Intelligent Things (IoIT), an emerging field, combines the utility of Internet of Things (IoT) devices with the innovation of embedded AI algorithms. However, it does n…
Individual Pulse Monitoring and Dose Control System for Pre-Clinical Implementation of FLASH-RT
M. Ramish Ashraf, Mahbubur Rahman, Xu Cao +7
Ultra-high dose rate electron sources require dose rate independent dosimeters and a calibrated dose control system for accurate delivery. In this study, we developed a single-puls…
Integrating Low-Power Wide-Area Networks for Enhanced Scalability and Extended Coverage
Mahbubur Rahman, Abusayeed Saifullah
Low-Power Wide-Area Networks (LPWANs) are evolving as an enabling technology for Internet-of-Things (IoT) due to their capability of communicating over long distances at very low t…
LoRaIN: A Constructive Interference-Assisted Reliable and Energy-Efficient LoRa Indoor Network
Mahbubur Rahman, Abusayeed Saifullah
LoRa is a promising communication technology for enabling the next-generation indoor Internet of Things applications. Very few studies, however, have analyzed its performance indoo…
A Comprehensive Survey on Networking over TV White Spaces
Mahbubur Rahman, Abusayeed Saifullah
TV white spaces refer to the allocated but locally unused TV spectrum and can be used by unlicensed devices as secondary users. Thanks to their lower frequencies (e.g., 54 -- 698 M…
A Novel index-based multidimensional data organization model that enhances the predictability of the machine learning algorithms
Mahbubur Rahman
Learning from the multidimensional data has been an interesting concept in the field of machine learning. However, such learning can be difficult, complex, expensive because of exp…
Blockchain Technology: Methodology, Application and Security Issues
AKM Bahalul Haque, Mahbubur Rahman
Blockchain technology is an interlinked systematic chain of blocks that contains transaction history and other user data. It works under the principle of decentralized distributed…
Transparent and Tamper-Proof Event Ordering in the Internet of Things Platforms
Mahbubur Rahman, Abusayeed Saifullah
Today, the audit and diagnosis of the causal relationships between the events in a trigger-action-based event chain (e.g., why is a light turned on in a smart home?) in the Interne…
Dosimetry for FLASH Radiotherapy: A Review of Tools and the Role of Radioluminescence and Cherenkov Emission
Muhammad Ramish Ashraf, Mahbubur Rahman, Rongxiao Zhang +4
While spatial dose conformity delivered to a target volume has been pushed to its practical limits with advanced treatment planning and delivery, investigations in novel temporal d…