Blar i NTNU Open på forfatter "Khaleghi, Ali"
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Analog Backscatter Video Transmission for Wireless Capsule Endoscope
Noormohammadi, Reza; Khaleghi, Ali; Balasingham, Ilangko (Journal article; Peer reviewed, 2023) -
Battery-free Wireless Communication for Video Capsule Endoscopy
Noormohammadi, Reza; Khaleghi, Ali; Balasingham, Ilangko (Peer reviewed; Journal article, 2019)Wireless capsule endoscopy is an advanced application of using ICT in healthcare and medicine. It is a non-invasive method to examine the gastrointestinal (GI) for early diagnosis and treatment. The capsule is equipped ... -
Biomedical applications of multifunctional magnetoelectric nanoparticles
Hoque Apu, Ehsanul; Nafiujjaman, Md; Sandeep, Srikumar; Makela, Ashley V.; Khaleghi, Ali; Vainio, Seppo; Contag, Christopher H.; Li, Jinxing; Balasingham, Ilangko; Kim, Taeho; Ashammakhi, Nureddin (Peer reviewed; Journal article, 2022)Advances in nanotechnology are impacting biomedicine with the potential to improve disease diagnosis, enhance targeted drug delivery, refine imaging of therapeutic responses, control cell and tissue responses, and guide ... -
Capacitively Coupled Electrode Antenna: A Practical Solution for Biomedical Implants
Khaleghi, Ali; Balasingham, Ilangko (Chapter, 2021)A capacitively coupled electrode antenna is proposed for use in medical implants. The antenna involves the conductivity of the biological medium and extends the applied RF electric signal to the conductive biological medium, ... -
Coherent query scheme for wireless backscatter communication systems with single tag
Hasanvand, Aminolah; Khaleghi, Ali; Balasingham, Ilangko (Journal article; Peer reviewed, 2018)An un-coded multi-transmitter query scheme is introduced for wireless backscatter communication systems in which M transmitters and N receivers are used for single-tag connectivity (M × 1 × N). The main idea is to harden ... -
Computer Simulation of Magnetoelectric Antenna and Performance Comparison With Micro-Loop
Rangriz Rostami, Fazel; Khaleghi, Ali; Balasingham, Ilangko (Peer reviewed; Journal article, 2022)Electromagnetic radiation can be produced using functional materials such as magnetoelectric (ME) composites, in which the magnetoelasticity and piezoelasticity of material are involved. The mechanical nature of the ... -
Conductive Backscatter Communication for Dual-Chamber Leadless Pacemakers
Noormohammadi, Reza; Khaleghi, Ali; Bergsland, Jacob; Balasingham, Ilangko (Peer reviewed; Journal article, 2022)Dual-chamber and multichamber leadless pacemakers (PMs) are emerging solutions for reducing the limitations of conventional wire-based PMs. One of the main challenges in migrating to leadless PMs is having reliable and ... -
Engineering Photonic Transmission Inside Brain Nerve Fibers
Maghoul, Amir; Khaleghi, Ali; Balasingham, Ilangko (Journal article; Peer reviewed, 2021) -
Evaluation of data telemetry for future leadless cardiac pacemaker
Bose, Pritam; Khaleghi, Ali; Mahmood, Salman; Albatat, Mohammad; Bergsland, Jacob; Balasingham, Ilangko (Journal article; Peer reviewed, 2019)Multi-node leadless pacemaker system overcomes the main limitations related to lead complications of the conventional cardiac pacemaker and will thus replace them in the near future. The multiple nodes of the technology ... -
Evaluation of Secrecy Capacity for Next-Generation Leadless Cardiac Pacemaker
Awan, Muhammad Faheem; Bose, Pritam; Khaleghi, Ali; Kansanen, Kimmo; Balasingham, Ilangko (Journal article; Peer reviewed, 2019)Secure communication can be considered as an integral part of the next generation implantable medical devices. With the advent of physical layer security (PLS) methods, confidential messages can be transmitted without the ... -
Extracellular Vesicle-Mediated Communication Nanonetworks: Opportunities and Challenges
Arjmandi, Hamidreza; Rudsari, Hamid Khoshfekr; Santos, Joao; Zoofaghari, Mohammad; Ievglevskyi, Oleksandr; Kanada, Masamitsu; Khaleghi, Ali; Balasingham, Ilangko; Veletic, Mladen (Journal article; Peer reviewed, 2021)Extracellular vesicle (EV)-mediated signaling is a highly evolutionary conserved intercellular mechanism in which the biological information is packaged, transported, and delivered to the target cells. The potential of EVs ... -
Galvanic Impulse Wireless Communication for Biomedical Implants
Noormohammadi, Reza; Khaleghi, Ali; Balasingham, Ilangko (Peer reviewed; Journal article, 2021)Wireless intra-body communication is a promising approach for providing efficient and secure connectivity for medical implants. The low power consumption of the electronics and the conductivity of the biological tissues ... -
High gain and wideband stacked patch antenna for S-band applications
Khaleghi, Ali; Ahranjan, Seyed S.; Balasingham, Ilangko (Journal article; Peer reviewed, 2018)In this paper design of a stacked circular patch antenna is presented for high gain and wideband applications. The main radiator of this design is a circular patch antenna, which is fed by using a coupling mechanism. Wide ... -
In-body and Off-body Channel Modeling for Future Leadless Cardiac Pacemakers based on Phantom and Animal Experiments
Bose, Pritam; Khaleghi, Ali; Balasingham, Ilangko (Journal article; Peer reviewed, 2018)In this letter, the in-body and off-body channel models at the frequency of 2.4 GHz are studied for development of multinode leadless capsule pacemaker technology based on experiments in homogeneous liquid phantom model ... -
On the Ultra-low-power Wireless Communication Methods for Biomedical Implants
Noormohammadi, Reza (Doctoral theses at NTNU;2023:96, Doctoral thesis, 2023)This thesis explores ultra-low-power wireless communication methods for biomedical implants. Leadless heart pacemaker (PM) and wireless capsule endoscopy are the two biomedical devices that have been used for prototyping ... -
Performance Analysis of Single Coreshell Magnetoelectric Microdevice for Electrical Stimulation
Narayanan, Ram Prasadh; Rangriz, Fazel; Khaleghi, Ali; Balasingham, Ilangko (Chapter, 2022)Electrical stimulation of biological cells and tissues is an established technique to stimulate cells such as neurons and cardiomyocytes to enable the treatment of some disorders like Parkinson’s disease, cardiac arrhythmias, ... -
Radio frequency backscatter communication for high data rate deep implants
Khaleghi, Ali; Hasanvand, Aminolah; Balasingham, Ilangko (Journal article; Peer reviewed, 2019)In this paper, we study the radio frequency (RF) backscatter for high data rate wireless communication with deep medical implants. The radar approach permits remote reading of the implant's information. This means that the ... -
Wireless Capsule Video Endoscopy For Population-Based Colon Cancer Screening Using 5G network
Khaleghi, Ali; Qadir, Hemin Ali Qadir; Lehne, Per Hjalmar; Balasingham, Ilangko (Chapter, 2022)We develop a battery-free communication system for a wireless video capsule endoscope with potential video streaming of a rate of up to 15 Mbps. We apply our innovative approach using backscatter for implants, a RADAR ... -
Wireless Video Capsule Endoscopy Prototype Utilizing a Backscatter Transceiver for High Data Rate Transmission
Ødegård, Simen Håbet (Master thesis, 2022)Kapselendoskopi er en viktig medisinsk applikasjon for sikrere, smertefri og muligens mer nøyaktig påvisning av sykdommer i mage-tarmkanalen, som kreftpolypper i tykktarmen. Trådløs Video Kapselendoskopi (WCE) ble ...