Patent application number | Description | Published |
20090323586 | USER INTERFACE BASED ON MAGNETIC INDUCTION - A receiving and transmitting node for a wireless data network, and a wireless data network based on magnetic induction. The receiving node includes an antenna receive module for receiving one or more data signals emitted from the transmitting node and a calculation module adapted to calculate one or more distances between the receiving node and the transmitting node, and/or adapted to calculate the position of the transmitting node in relation to the position of the receiving node, and/or adapted to calculate the orientation of the transmitting node in relation to the orientation of the receiving node. The reception of the data signal is based on magnetic induction and the calculation of the one or more distances, and the position of the transmitting node and/or the orientation of the transmitting node is based on the one or more data signals. | 12-31-2009 |
20100190450 | ITERATIVE BEAM SELECTION METHOD WITH RECEIVER AND TRANSMITTER DIVERSITY - The present invention relates to a method for determining the best transmitter and receiver beams with a reduced number of calculations for the best antenna beam arrangement between a transmitter and a receiver. The iterative routine within this method comprises a transmitter beam determination sequence, a feedback sequence and a receiver beam determination sequence. While calculating the best possible antenna beam arrangement, the antenna beam width does not require to be reduced. | 07-29-2010 |
20100210219 | BEAM SELECTION METHOD - The present invention relates to a method which analysis the characteristics of the received signal and selects the best beam arrangement for a transmitter/receiver pair for a given situation in a communication system. In particular, the channel delay profile provides characteristics which help to determine and evaluate the quality of a signal link. The result of this evaluation is used for selecting the best beam arrangement. | 08-19-2010 |
20110053498 | OUT-OF-BAND RADIO LINK PROTOCOL AND NETWORK ARCHITECTURE FOR A WIRELESS NETWORK COMPOSED OF WIRELESS TERMINALS WITH MILLIMETRE WAVE FREQUENCY RANGE RADIO UNITS - The present invention relates to a wireless transmitter comprising a transmitter radio unit working a wireless transmitter comprising a transmitter radio unit working in the millimeter wave frequency band using a directional antenna and a bidirectional radio unit working in a frequency range different from said transmitter radio unit and using an omnidirectional antenna. The invention further relates to a wireless receiver and a wireless relay. | 03-03-2011 |
20110147593 | PASSIVE RADIOMETRIC IMAGING DEVICE AND CORRESPONDING METHOD - The present invention relates to a passive radiometric imaging device and a corresponding method for scanning a scene. The proposed device comprises a radiometer that detects radiation emitted in a predetermined spectral range from a spot of said scene and for generating a radiation signal from said detected radiation, a spot movement means that effects a movement of the spot, from which the radiation is detected, to various positions, a controller that controls said spot movement means to effect the movement of the spot from one position to another position after a random time interval, and a processor that processes the radiation signals detected from the spot at said various positions and for reconstructing an image of said scene by applying compressive sensing. With this device an increase of the temperature resolution of the reconstructed image can be obtained. | 06-23-2011 |
20110273320 | RADIOMETRIC IMAGING DEVICE AND CORRESPONDING METHOD - The present invention relates to a radiometric imaging device and a corresponding method for scanning a scene. The proposed device comprises a radiometer for detecting radiation emitted in a predetermined spectral range from a spot of said scene and for generating a radiation signal from said detected radiation, a spot movement means for effecting a movement of the spot, from which the radiation is detected, to various positions, a control means for controlling said spot movement means to effect the movement of the spot from one position to another position so that radiation is detected at a number of spots distributed over the scene, wherein said number is lower than the number of pattern signals of said high-density signal pattern and the radiation signals generated from the radiation detected at said number of spots form a low-density signal pattern, and a processing means for processing the radiation signals of said low-density signal pattern and for generating said high-density signal pattern by applying compressive sensing to said low-density signal pattern. | 11-10-2011 |
20120313810 | RADAR APPARATUS AND METHOD - A radar apparatus for obtaining a higher range resolution than conventional radar apparatus without increasing the bandwidth comprises a transmitter antenna that transmits a frequency modulated transmit signal having a transmit bandwidth and a receiver antenna that receives a receive signal reflected from said scene in response to the transmission of said transmit signal. A mixer mixes said receive signal with said transmit signal to obtain a mixed receive signal, a sampling unit samples said mixed receive signal to obtain receive signal samples from a period of said receive signal, and a processor processes said receive signal samples by defining a measurement matrix and determines the positions of one or more targets of the scene by applying compressive sensing using said measurement matrix and said receive signal samples. | 12-13-2012 |
20140022113 | RADAR APPARATUS AND METHOD - A radar apparatus for obtaining a higher range resolution than conventional radar apparatus without increasing the bandwidth comprises a transmitter antenna that transmits a frequency modulated transmit signal having a transmit bandwidth and a receiver antenna that receives a receive signal reflected from said scene in response to the transmission of said transmit signal. A mixer mixes said receive signal with said transmit signal to obtain a mixed receive signal, a sampling unit samples said mixed receive signal to obtain receive signal samples from a period of said receive signal, and a processor processes said receive signal samples by defining a measurement matrix and determines the positions of one or more targets of the scene by applying compressive sensing using said measurement matrix and said receive signal samples. A post-processor groups together receive signal samples having a depth within the same depth bin and belonging to the same target. | 01-23-2014 |
20140106666 | OUT-OF-BAND RADIO LINK PROTOCOL AND NETWORK ARCHITECTURE FOR A WIRELESS NETWORK COMPOSED OF WIRELESS TERMINALS WITH MILLIMETRE WAVE FREQUENCY RANGE RADIO UNITS - The present invention relates to a wireless transmitter comprising a transmitter radio unit working a wireless transmitter comprising a transmitter radio unit working in the millimeter wave frequency band using a directional antenna and a bidirectional radio unit working in a frequency range different from said transmitter radio unit and using an omnidirectional antenna. The invention further relates to a wireless receiver and a wireless relay. | 04-17-2014 |
20140191968 | USER INTERFACE BASED ON MAGNETIC INDUCTION - A receiving and transmitting node for a wireless data network, and a wireless data network based on magnetic induction. The receiving node includes an antenna receive module for receiving one or more data signals emitted from the transmitting node and a calculation module adapted to calculate one or more distances between the receiving node and the transmitting node, and/or adapted to calculate the position of the transmitting node in relation to the position of the receiving node, and/or adapted to calculate the orientation of the transmitting node in relation to the orientation of the receiving node. The reception of the data signal is based on magnetic induction and the calculation of the one or more distances, and the position of the transmitting node and/or the orientation of the transmitting node is based on the one or more data signals. | 07-10-2014 |
20140247181 | RADAR APPARATUS AND METHOD - A radar apparatus for obtaining a higher resolution than conventional SAR apparatus without increasing the bandwidth comprises a transmitter antenna and a receiver antenna. A mixer mixes said receive signal with said transmit signal to obtain a mixed receive signal, and a sampling unit samples said mixed receive signal to obtain receive signal samples from a period of said receive signal. A processor processes said receive signal samples by defining a spatial grid in the scene with a finer grid resolution than obtainable by application of a synthetic aperture radar algorithm on the receive signal samples and determining reflectivity values at grid points of said spatial grid by defining a signal model including the relative geometry of said transmitter antenna and said receiver antenna with respect to the scene, said transmit signal and said spatial grid and applying compressive sensing on said receive signal using said signal model. | 09-04-2014 |