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Récepteur radio
Publications associées (385)
Physical Layer Aspects of LoRa and Full-Duplex Wireless Transceivers
Wireless communications are currently faced with two main challenges. The first challenge stems from the enormous number of Internet of Things (IoT) devices that transmit very small amounts of data. The second challenge is the need for ever-increasing data ...
EPFL2020Time-Delay Encoded Image Recognition in a Network of Resistively Coupled VO2 on Si Oscillators
Kirsten Emilie Moselund, Siegfried Karg
Oscillatory neural networks based on insulator to metal transition of VO2 switches are implemented for image recognition. The VO2 oscillators are fabricated on silicon in a CMOS compatible process.A fullyconnected network of coupled oscillators is investig ...
2020Transient Electronics for Smart Biodegradable Medical Implants
Bioresorbable implantable medical devices show great potential for applications requiring medical care over well-defined periods of time. Such implants naturally degrade and resorb in the body, which eliminates adverse long-term effects or the need for a s ...
EPFL2020Low-loss SiN waveguides for efficient and broadly tunable nonlinear frequency conversion
Tobias Kippenberg, Camille Sophie Brès, Junqiu Liu, Florent Gilles Mazeas
We report on the use of low-loss Si3N4 waveguides for efficient frequency conversion tunable from the near infrared to the short-wave infrared. We achieve -15 dB conversion efficiency for 200 mW coupled pump power. ...
2020Small-Signal Approach for Precise Evaluation of Gate Losses in Soft-Switched Wide-Band-Gap Transistors
Elison de Nazareth Matioli, Armin Jafari, Palliyage Srilak Nirmana Perera, Furkan Karakaya
High-frequency switching is favorable for fast transient response, small size of passive components and superior power density, especially in soft-switching topologies. At high frequencies, power dissipation due to consecutive charging/discharging of gate ...
IEEE2020Modulation Considerations for Modular Multilevel Converter Operating with Parallel Branches and Phase-Shifted Carriers
Drazen Dujic, Stefan Milovanovic
The branch paralleling represents one of the available options with regards to the modular multilevel converter power extension. In such a case, the main technical challenge resides in the control domain, whereas a new set of possibilities from the voltage ...
2020Mechanical oscillator with tunable isochronism defect
Simon Nessim Henein, Mohammad Hussein Kahrobaiyan, Mohamed Gamal Abdelrahman Ahmed Zanaty
Mechanical oscillator (1) for a timepiece comprising an inertial mass (3) arranged to oscillate about a neutral position under the effect of a restoring force provided by at least one elastic element (5),characterised in that said mechanical oscillator (1) ...
2020Analysis, modeling and design of a CMOS Super-Regenerative Receiver for implanted medical devices under square and sinusoidal quench signals
Catherine Dehollain, Naci Pekçokgüler
Medical implant devices have found widespread application in recent years. The Super-Regenerative Receiver has been one preferred architecture due to its power advantage over other architectures. We present a detailed analysis of the circuits and their equ ...
ELSEVIER SCIENCE BV2019Transient Electronics: Biodegradable Frequency‐Selective Magnesium Radio‐Frequency Microresonators for Transient Biomedical Implants (Adv. Funct. Mater. 39/2019)
Jürgen Brugger, Giovanni Boero, Matthieu Jean Michel Rüegg, Remo Blum
In article number 1903051, Matthieu Rüegg, Juergen Brugger, and co-workers design, fabricate, and characterize biodegradable magnesium microresonators using an innovative microfabrication process based on ion beam etching. Under a radio-frequency magnetic ...
2019Radiation Performance of Highly Miniaturized Implantable Devices
Miniature wireless implantable bioelectronics provide powerful capabilities for biotelemetry, therapeutics, and neural interfacing. These technologies rely on antennas to communicate with external receivers, yet existing systems suffer from poor radiation ...
IEEE2019