Abstract: An apparatus for determining a target precoding matrix from a plurality of precoding matrix candidates is provided. The apparatus includes a covariance matrix value provider, a real part determiner and a precoding matrix determiner. The precoding matrix determiner is adapted to determine the target precoding matrix from the plurality of precoding matrix candidates, wherein the precoding matrix determiner is configured to determine the target precoding matrix based on at least one of the one or more real covariance values.

Abstract: A relay station and a method for relaying signals between a first signal source and a second signal source. The relay station includes at least two antennas for receiving/transmitting signals from/to the first and second signal sources. At the relay station first and second signals received from the first and second signal sources are network coded thereby generating a first network coded signal and a second network coded signal. The first and second network coded signals are transmitted from the relay station to the first and second signal sources using different antennas.

Abstract: A load estimation system and method for estimating vehicle load includes a tire rotation counter for generating a rotation count from rotation of a tire; apparatus for measuring distance travelled by the vehicle; an effective radius calculator for calculating effective radius of the tire from the distance travelled and the rotation count; and a load estimation calculator for calculating the load carried by the vehicle tire from the effective radius of the tire. A center of gravity height estimation may be made from an estimated total load carried by the tires supporting the vehicle pursuant to an estimation of effective radius for each tire and a calculated load carried by each tire from respective effective radii.

Abstract: A multi user receiver configured to receive a signal including multiple symbol streams assigned to various users is described. The multiple symbol streams include at least one first symbol stream assigned to a user of the multi user receiver and at least one second symbol stream assigned to another user, wherein a modulation alphabet applied for the at least one second symbol stream is unknown at the multi user receiver. The multi user receiver includes a symbol stream election unit configured to elect a symbol stream of the multiple symbol streams, an equalizer configured to provide an equalized symbol of the elected symbol stream, and a detector configured to generate a detected symbol from the equalized symbol on the basis of a constellation, wherein, if the second symbol stream is elected, the constellation is a mixed constellation including constellation points of at least two of multiple predefined modulation alphabets.

Abstract: A system and method of estimating a load bearing on a vehicle tire includes an inflation pressure measuring sensor attached to the tire for measuring a tire cavity inflation pressure level; and one or more piezofilm deformation measuring sensors mounted to one or both of the tire sidewalls. The deformation measuring sensor generates within the tire footprint a deformation signal having signal power level indicative of a level of sidewall deformation within the footprint contact patch. Power-to-load maps adjusted for tire inflation pressure are generated and stored for the tire, the maps correlating a range of load levels to a range of signal power levels whereby operatively enabling a load level to be identified for each signal power level on an inflation pressure adjusted basis.

Abstract: A system and method of estimating a load bearing on a vehicle tire includes an inflation pressure measuring sensor attached to the tire for measuring a tire cavity inflation pressure level; and one or more piezofilm deformation measuring sensors mounted to one or both of the tire sidewalls. The deformation measuring sensor generates within the tire footprint a deformation signal having signal power level indicative of a level of sidewall deformation within the footprint contact patch. Power-to-load maps adjusted for tire inflation pressure are generated and stored for the tire, the maps correlating a range of load levels to a range of signal power levels whereby operatively enabling a load level to be identified for each signal power level on an inflation pressure adjusted basis.

Abstract: Estimating a load bearing on a vehicle tire includes an inflation pressure measuring sensor for measuring tire inflation pressure and generating a measured tire inflation pressure signal; a deformation measuring sensor mounted in a tire region of the vehicle tire, the deformation measuring sensor in the form of a piezoelectric bending sensor generating a deformation signal estimating a length of a tire contact patch length as the senor rolls through a tire footprint. Tire rolling speed is estimated from the deformation signal and a peak to peak amplitude variation within the deformation signal is detected and measured. An artificial neural network receives the tire rolling speed estimation, the contact patch length estimation, the amplitude variation within the deformation signal, and the measured inflation pressure of the tire. The artificial neural network adaptively interprets the input data and generates an output load estimation based thereon.

Abstract: Charging circuit for energy store of a portable electrical device has a first resonance switching circuit with a first receiver coil for receiving an alternating magnetic field which induces an electric voltage in the first coil, and an electrical component connected to a terminal of the first coil. The first coil and the further electrical component determine a resonance frequency (f0) of the first resonance switching circuit, A second resonance circuitry is also provided and has a second receiver coil and a further electrical component which determine a resonance frequency (f1, fn) of the second resonance circuitry. The resonance frequency of the second resonance circuitry is an integer multiple of the resonance frequency of the first resonance switching circuit. Receiver coils of the resonance circuitry are disposed such that during operation they are permeated by the same magnetic field lines of the alternating magnetic field.

Abstract: An apparatus for determining a target precoding matrix from a plurality of precoding matrix candidates is provided. The apparatus includes a covariance matrix value provider, a real part determiner and a precoding matrix determiner. The precoding matrix determiner is adapted to determine the target precoding matrix from the plurality of precoding matrix candidates, wherein the precoding matrix determiner is configured to determine the target precoding matrix based on at least one of the one or more real covariance values.

Abstract: An apparatus for decoding a received signal is provided. The received signal has been transmitted by conducting a transmission. The apparatus for decoding includes a detector and a filter application unit. The detector is configured to detect whether the transmission is a SU-MIMO transmission or a MU-MIMO transmission. The filter application unit is configured to apply either a first receive filter or a second different receive filter on the received signal depending on whether the transmission is the SU-MIMO transmission or the MU-MIMO transmission.

Abstract: Each of a plurality of media clips accessed by a user is scored by analyzing metadata associated with the media clips. A representative subset of the media clips is selected based on the scoring. A visual representation of the representative subset of the media clips is displayed.

Abstract: A system for sending a data packet from a messaging device to a receiving device in a signalling network (210) is described. The system comprises a distributed service center (255) a message receiving service center (290), a plurality of signalling units (260, 270) for passing the data packet to the receiving device, a central routing logic (280) for routing the data packets and a closed network connecting at least the central routing logic (280) and the plurality of signalling units (260, 270). Also disclosed is a corresponding method for sending a data packet from a messaging device to a receiving device.

Abstract: A multi-user MIMO receiver of a UE in question for detecting a pre-coded signal includes a unit configured to blindly estimate information concerning a pre-coding vector for a paired UE, which is operated on the same resource as the multi-user MIMO receiver, based on received data. Further, the multi-user MIMO receiver comprises an equalizer configured to equalize the pre-coded signal based on the estimated information concerning the pre-coding vector for the paired UE.

Abstract: A transmitter for transmitting an optical signal based on a baseband signal, including an up-transformer for up-transforming the baseband signal to obtain a bandpass signal and a converter for converting the bandpass signal into a signal having a DC-offset. The transmitter further includes a modulator for modulating a light source with the signal having the DC-offsets to transmit the optical signal.

Abstract: A relay station and a method for relaying signals between a first signal source and a second signal source. The relay station includes at least two antennas for receiving/transmitting signals from/to the first and second signal sources. At the relay station first and second signals received from the first and second signal sources are network coded thereby generating a first network coded signal and a second network coded signal. The first and second network coded signals are transmitted from the relay station to the first and second signal sources using different antennas.

Abstract: A method for encoding a channel in a communication system using a Low-Density Parity-Check (LDPC) code. The method includes generating a plurality of column groups by grouping (categorizing) columns corresponding to an information word in a parity-check matrix of the LDPC code, and ordering the column groups; determining a range of an information word desired to be obtained by performing shortening; based on the determined range of the information word, performing column group-by-column group shortening on the column groups in order according to a predetermined shortening pattern; and LDPC encoding the shortened information word.

Abstract: A dental prophylaxis paste holder dispenser comprises a first prophylaxis paste and a second prophylaxis paste. The first prophylaxis paste has a first material. The second prophylaxis paste has a second material. The first material has a first material property and the second material has a second material property. The first material property differs from the second material property.

Abstract: A method of providing safety and maintenance vehicular service includes the steps: capturing information indicative of a vehicle status parameter electronically by means of a vehicle monitoring system; transmitting captured information through at least one vehicle connectivity system; transmitting captured information from the vehicle connectivity system to at least one portable device such as a cell phone and/or GPS unit; activating the portable device; activating analytical software utilized by the portable device; analyzing the captured information by the analytical software of the portable device; and conveying by sensory means useful processed information based upon captured information analysis to a user located within the vehicle. Advance communication of the processed information (e.g.

Abstract: Provided is an apparatus for signal transmission in a Fast Frequency Hopping-Orthogonal Frequency Division Multiplexing (FFH-OFDM) communication system which divides all of the available frequency bands into a plurality of sub-carrier bands and includes a plurality of sub-channels each including at least one sub-carrier band.

Abstract: In a method for sending communication signals, space-time block coding is performed by dividing a data stream of complex-value data symbols into a number KT>2 of partial data streams of respectively n>2 data symbols. The data symbols in the partial data streams are used to form n×KT matrix CKT. Transmitter-end predistortion is performed by using the matrix CKT to form a matrix D, and the data symbols are sent by KT transmission antennas according to their arrangement in the matrix D.