Recherche

Afficher tous les résultats pour

Accueil

Personne

Catherine Dehollain

À propos
Confidentialité
Mentions légales

Graph Chatbot

Publications associées (140)

Remote Powering Link for a Passive UHF RFID Tag for Capacitive Sensor Applications

Catherine Dehollain, Kerem Kapucu

This work discusses the remote powering link of a passive UHF RFID tag for sensor applications. The design, implementation, and measurements of the base-station antenna, tag antenna, and the rectifier are presented. The base-station antenna is a 50 Ω recta ...

IEEE2013

Wireless Data and Power Transmission Aiming Intracranial Epilepsy Monitoring

Catherine Dehollain, Oguz Atasoy, Gürkan Yilmaz

This study presents a wireless power and data transmission system to overcome the problems in intracranial epilepsy monitoring associated with transcutaneous wires. Firstly, a wireless power transfer link based on inductive coupling is implemented and a po ...

Spie-Int Soc Optical Engineering2013

Far-Field UHF Remotely Powered Front-End for Patient Monitoring with Wearable Antenna

Catherine Dehollain, Onur Kazanç, Franco Maloberti

The design of a wearable antenna for UHF band at 900 MHz with an integrated front-end for a wireless sensor system targeting remote patient monitoring is presented. A wearable antenna for human body with -7.2 dB gain is demonstrated using five layer torso ...

Ieee2013

A Closed-Loop Remote Powering Link for Wireless Cortical Implants

Michel Declercq, Catherine Dehollain, Kanber Mithat Silay

This paper presents a closed-loop remote powering link for wireless cortical implants. The link operates from a single power supply at the external reader and delivers power to the implant adaptively under changing load conditions. A feedback information i ...

Institute of Electrical and Electronics Engineers2013

Capacitive Detuning Optimization for Wireless Uplink Communication in Neural Implants

Catherine Dehollain, Gürkan Yilmaz

This study presents a wireless energy and data transfer system for neural implants with an emphasis on epilepsy monitoring. A wireless uplink data transmission system is built upon a remote powering system based on magnetic coupling which has been implemen ...

Ieee2013

Full-duplex Communication and Remote Powering Implementation of an Electronic Knee Implant

Catherine Dehollain, Oguz Atasoy

Full-duplex communication is realized by using ASK modulation for downlink (the channel from controller to the implant) and by using FSK modulation for uplink (from implant to the controller). The ASK modulation is done at the remote powering frequency and ...

Ieee2013

Remotely powered implantable heart monitoring system for freely moving animals

Philippe Renaud, Catherine Dehollain, Harald Van Lintel, Enver Gürhan Kilinç, Franco Maloberti, Alejandro Coronado Moya

This paper presents a remotely powered implantable heart monitoring system for freely moving animals. The system measures the blood pressure in the left ventricle of the heart and transmits the data to a database unit. The implanted unit is remotely powere ...

IEEE2013

Short Range Remote Powering of Implanted Electronics for Freely Moving Animals

Catherine Dehollain, Enver Gürhan Kilinç, Franco Maloberti

An implantable system for monitoring vital parameters via bio-sensors inside freely moving laboratory animals and its powering system are presented. The required 2 mW are harvested by the magnetic coupling with an external coil placed under the living spac ...

Ieee2013

Wireless Energy and Data Transfer for Neural Recording and Stimulation Applications

Catherine Dehollain, Gürkan Yilmaz

This study presents design and implementation of a wireless energy and transfer system. The system is targeted to work in accordance with neural recording and stimulation purposes, more specifically for in-vivo epilepsy monitoring. A brief overview of the ...

Ieee2013

Wireless Energy and Data Transfer for In-Vivo Epileptic Focus Localization

Catherine Dehollain, Oguz Atasoy, Gürkan Yilmaz

This paper presents a wireless energy transfer and a wireless data communication link for neural signal monitoring-more specifically, fast ripple detection for epilepsy patients. Wireless data are transferred on the same channel as the wireless energy tran ...

Institute of Electrical and Electronics Engineers2013

An Implantable Bio-Micro-system for Drug Monitoring

Catherine Dehollain, Giovanni De Micheli, Sandro Carrara, Enver Gürhan Kilinç, Camilla Baj-Rossi, Seyedeh Sara Ghoreishizadeh

Multi-target and continuous monitoring by wireless implantable devices is of increasing interest for personalized therapy. In this work an implantable system is presented which is capable of measuring different drugs with Cyclic Voltammetry (CV) method. Th ...

2013

Fabrication and Packaging of a Fully Implantable Biosensor Array

Catherine Dehollain, Giovanni De Micheli, Sandro Carrara, Enver Gürhan Kilinç, Camilla Baj-Rossi, Seyedeh Sara Ghoreishizadeh, Daniele Casarino

In this work, we showed the realization of a fully- implantable device that integrates a microfabricated sensing platform, a coil for power and data transmission and integrated circuits. We described a device intended to test the biocompati- bility of the ...

2013

Design of a Passive UHF RFID Tag for Capacitive Sensor Applications

Catherine Dehollain, Kerem Kapucu

In this work, the design of a passive UHF RFID tag for sensor applications is described. The system level design issues are discussed taking into account the possible operation scenarios. Among the blocks in the tag, the emphasis is on the design of the re ...

Ieee2013

A Low-Power Sensor Interface Circuit for Remotely Powered Implants

Catherine Dehollain, Xiao Liu

This paper proposes an interface circuit for wirelessly powered implants for mice temperature monitoring. The circuit contains the read-out circuit and a data converter. By using a novel approach to cancel the non-linear effects of thermistor sensors, the ...

Ieee2013

A Remotely Powered Implantable IC for Recording Mouse Local Temperature with +/- 0.09 degrees C Accuracy

Catherine Dehollain

Multiple techniques are presented to implement an ultra-low-power remotely powered implantable system. The temperature is monitored locally by a thermistor-type sensor. The resistive response of the sensor is amplified and resolved in the time-domain. The ...

Ieee2013

Predictive calibration technique for magnetic field position sensors

Catherine Dehollain

In this paper, we present a calibration technique for controlling the magnetic field emitted by an antenna without measuring that magnetic field or the current through the antenna. Using a predictive algorithm and without adding hardware to perform test me ...

Ieee2013

RF MEMS power sensors for ultra-low power wake-up circuit applications

Catherine Dehollain, Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia, Wolfgang Amadeus Vitale, Antonios Bazigos

Power savings requirements in wake-up circuits and RFID applications can greatly benefit from the emerging RF MEM technology. In this paper we report an RF MEM power sensor that can simultaneously offer significant power savings and co-integration with wak ...

2013

Design and comparison of class-C and class-D power amplifiers for remotely powered systems

Catherine Dehollain, Enver Gürhan Kilinç, Franco Maloberti, Kerim Türe

This paper presents the effect of coupling between the coils on the power amplifier efficiency and comparisons between the class-C and class-D performance for different coupling conditions. In remotely powered systems, the coupling of the coils can influen ...

2013

Design of a parallel low power flash A/D converter for the sub-sampling IR-UWB receiver

Catherine Dehollain, Shenjie Wang

This paper presents the design of a dual-channel 4-bit analog-to-digital converter (ADC) for the sub-sampling impulse radio ultra-wideband receiver with the sampling rate of 2.112 GS/s. The ADC's specifications are optimized at the system level. Two parall ...

Springer Verlag2013

High-Q Adaptive Matching Network for Remote Powering of UHF RFIDs and Wireless Sensor Systems

Catherine Dehollain, Onur Kazanç, Franco Maloberti

Process and temperature independent RF front-end design is important for remotely powered RFID tags and wireless sensor systems. Run-to-run process variations can impact the remote powering performance and therefore read range of aforementioned systems. We ...

Ieee2013

Page 5 sur 7