Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Nokia Corporation

Airbus Ds Sas

Commissariat a L'energie Atomique

Cornell University

Michaël Pelissier

Mykhailo Zarudniev

Joni Jantunen

Dominique Morche

Jarmo Tapani Arponen

Christoph Emanuel Studer

Marie-Claire Cyrille

Gilles Masson

Patrick Villard

Patrick Audebert

Ursula Ebels

Jean-Philippe Michel

Jaakko Varteva

Michaël Quinsat

Clément Jany

Bertrand Gomez

Luis Lolis

Marguerite Marnat

Shanthi Sudalaiyandi

Iiro Jantunen

Marie- Claire Cyrille

Jarmo Arponen

A device for OOK modulating an input signal, comprising at least:

OOK modulation device

The invention concerns a digital delay locked loop comprising: first and second digitally controllable delay lines (B,B) coupled in series with each other, each comprising a lead portion () and a lag portion (), the first digitally controllable delay line receiving a reference timing signal (TREF) and the second digitally controllable delay line outputting a delayed timing signal (TREF); and a time to digital converter () configured to evaluate a phase difference between the reference signal (TREF) and the delayed timing signal (TREF') and to generate a first control signal (DLEAD_:n]) for controlling said lead portions () or a second control signal (DLAG[:n]) for controlling said lag portions () based on the sign and magnitude of the phase difference.

Digital delay locked loop

An RF receiver comprises a down-converting and sampling circuit () adapted to: receive an RF input signal (RF) having a signal band (BW) comprising a plurality of sub-bands (BW), each sub-band comprising a plurality (2K) of channels separated by frequency channel spaces (&#x394;f); and perform frequency transposition and sampling to generate a discrete time signal in which a selected one of the plurality of sub-bands is brought from an initial frequency band to a lower frequency band (IF&#xb1;K&#x394;f); and a discrete time filter () having a variable pass band, the central frequency (f) of the discrete time filter being controllable to select any one of the plurality (2K) of channels of the selected sub-band.

Versatile radio receiver architecture

A method and apparatus of synchronizing pulsed wireless communication between a first transceiver and a second transceiver. It includes the steps of transmitting a pulse signal from a first transceiver to a second transceiver; transmitting a reflection signal from the second transceiver to the first transceiver if the transmitted pulse signal is received at the second transceiver within an active reception period of the second transceiver; and detecting the reflection pulse to determine synchronization between the first transceiver and the second transceiver. Embodiments of the invention also relate to an apparatus for carrying out the method. In one embodiment, the reflection signal is generated by a super-regenerative oscillator.

Method of and apparatus for synchronization

An oscillation detector having an RF oscillator configured to be synchronized with a first frequency and a comparator for distinguishing the synchronized state from the non-synchronized state of the radiofrequency oscillator on the basis of an oscillating signal produced by the radiofrequency oscillator and indicating the presence of oscillations in a frequency band around the first frequency in response to identifying the synchronized state and, in alternation, indicating the absence of oscillations in this frequency band otherwise.

Oscillation detector

Growing community of inventors

Grenoble, France

Michaël Pelissier