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High voltage x-ray generator and related oil well formation analysis
apparatus and method
An apparatus and method for determining the density and other properties of a formation surrounding a borehole using a high voltage x-ray generator. One...
Weight inspection apparatus and weight inspection system provided
A weight inspection apparatus includes a weight obtaining unit, an irradiation unit, a detection unit and an estimated weight calculation unit. The weight...
X-ray multichannel spectrometer
An X-ray multichannel spectrometer comprising a polychromatic source (2), a holding means (3) for holding a sample (1), a fluorescence channel (4) that selects...
Medical image processing apparatus, ultrasound imaging apparatus, X-ray CT
(computed tomography) apparatus, and...
A cardiac cavity region specifying part specifies the position of a cardiac cavity region represented in volume data. An image generation plane determining part...
X-ray CT apparatus
An X-ray CT apparatus with a function of taking in an X-ray image data obtained by another X-ray apparatus, for use of scout view for a CT for local region of...
Multi-mode tomosynthesis/mammography gain calibration and image correction
using gain map information from...
A multi-mode tomosynthesis/mammography system and method in which a mammography gain map is used to gain correct mammographic images of a patient's breast but...
Visualization of 3D images in combination with 2D projection images
Original 2D rotational projections are combined preferably in an overlaying manner with corresponding viewings of a 3D reconstruction. By showing the 2D...
Modular low power gray code counter
A modular Gray code counter of arbitrary bit length having identical Gray code counter cells in every bit position. Each cell comprises a Toggle Flop and logic...
Systems and methods for data recovery in an input circuit receiving
digital data at a high rate
Embodiments include systems and methods for recovery of data from an incoming digital data stream. Embodiments comprise a fine tracking loop to track the data...
Signal generating apparatus and method thereof
A signal generating apparatus includes: a test data generator for generating a test data; a fractional-N phase-locked loop device coupled to the test data...
Multiple channel synchronized clock generation scheme
Multiple channel synchronized clock generation scheme. A novel approach is presented herein in which synchronized clock signals are generated that can be used...
Method for the synchronization of a radio receiver, and adapted receiver
for the implementation of said method
A method for the synchronization of a radio receiver, comprising an estimation of the moment when a pulse (11, 17) is received (11, 17), performed from the...
Clock and/or data recovery
Embodiments for clock and/or data recovery may comprise two or more samplers to sample a relatively small number of distinct data sample phase locations of a...
Method and apparatus for training the reference voltage level and data
sample timing in a receiver
Methods and apparatuses for calculating the location of an optimal sampling point for a receiver system are disclosed. In brief, a first method comprises...
Method and apparatus for adjusting serial data signal
A method for adjusting a serial data signal having multiple sets of bits includes the following steps. First, one set of bits in the serial data signal is...
Data sampling method and apparatus using through-transition counts to
reject worst sampling position
A data sampling circuit that employs an oversampling clock to oversample a data signal, a phase tracking circuit for use in such a sampling circuit, and a...
Sampling method, reconstruction method, and device for sampling and/or
A reconstruction method for reconstructing a first signal from a set of sampled values generated by sampling a second signal at a sub-Nyquist rate and at...
Method and apparatus for transmitting and receiving a timing correction
message in a wireless communication system
A method for transmitting a timing correction message in a wireless communication system, the method comprising, Generating the timing correction message...
A digital filter operates on the basis of a first clock having a first frequency. A stereo modulator operates on the basis of a second clock having a second...
Method for receiving a multicarrier signal using at least two estimates of
a propagation channel and...
A method is provided for receiving a multicarrier signal including a time-based succession of symbols, each including a plurality of multicarriers bearing data,...
Radio communication system, receiver, receiving method, transmitter,
transmitting method, and device for and...
Multi-carrier transmission is performed without inserting a repetitive signal into guard interval periods. A transmitter provides guard interval periods by...
Method and system for reordered QRV-LST (layered space time) detection for
efficient processing for multiple...
Aspects of a method and system for reordered QRV-LST (layered space time) detection for efficient processing for multiple input multiple output (MIMO)...
Inter-carrier interference removal device and reception device using the
An inter-carrier interface removal device can improve estimation accuracy of inter-carrier interference caused by Doppler shift in a received multi-carrier...
Iterative interference cancellation using mixed feedback weights and
stabilizing step sizes
A receiver is configured for canceling intra-cell and inter-cell interference in coded, multiple-access, spread-spectrum transmissions that propagate through...
Automatic gain control with out of band blocking signal compensation
One embodiment of the present subject matter includes a method of receiving an input signal. The method, in various embodiments, includes detecting a peak of...
System and method for improved carrier recovery
A system and method for carrier recovery includes a plurality of carrier recovery modules, each processing the same input symbols, and each having a gain input...
Early energy measurement
In a described implementation of early energy measurement, a wireless device adjusts a receiver gain during each current symbol time responsive to a signal...
Apparatus, method and computer program product for detecting
non-synchronized random access channel preamble
A detect decision is made by non-coherently combining results from correlating a preamble (CAZAC) sequence with base/root sequences used in the cell and setting...
Method and system for detecting preambles in a multi-cell system
A method and system is provided for detecting preambles in a multi-cell communication system. The method detects preambles reliably even in the presence of...
Maximum a posteriori probability decoder
A method is provided for performing a MAP probability decoding of a sequence R(n) including N bits of encoded data. The method includes the steps of: (a)...
Process and devices for transmitting digital signals over buses and
computer program product therefore
Digital signals are transmitted on a bus at given instants selectively in a non-encoded format and an encoded format. The decision whether to transmit the...
RFID decoding subsystem with decode module
A radio frequency identification (RFID) decoding subsystem includes a pre-decode module and a decode module. The pre-decode module is coupled to process...
FFT numerology for an OFDM transmission system
An exemplary fast Fourier transform (FFT) numerology for an orthogonal frequency division multiple access (OFDMA) downlink transmission system is described. The...
Signal processing apparatus, signal processing method, and program
In a signal processing apparatus adapted to process a signal transmitted via a transmission path, distortion of a waveform of a signal value of a specific...
Preamble detection with multiple receive antennas
A system including a differential demodulation module that receives modulated signals from R antennas and that differentially demodulates the modulated signals...
Complex signal scaling for phase and/or amplitude modulated signals
A signal scaling device (D), for a transmission path of a wireless communication equipment, comprises a processing means (PM) adapted to receive a phase and/or...
Radio broadcasting method and transmitter using pre-filtering and
The disclosure relates to a radio broadcasting method for a first multicarrier digital signal occupying a first frequency band adjacent to at least one second...
Processing transmission signals in radio transmitter
A method, apparatus, and computer program is presented for use in a radio transmitter using a polar transmitter structure in which a transmission signal is...
Distortion compensation apparatus and method
A distortion compensation apparatus includes a distortion compensation unit that performs distortion compensation processing on a transmission signal by a...
Multi-carrier modem transmitter with controlled transmit signal quality
degradation for improving stability of...
A telecommunication system with a modem having a controlling module coupled to a data transmission module includes a transmitter configured to transmit channels...
AM to PM correction system for polar modulator
A transmitter includes a polar modulator that creates phase and amplitude signals which in turn drive a power amplifier. To compensate for AM to PM conversion...
Wavelength transmission system and method using 3-dimensional LDPC-coded
A transmitter and method include a LDPC encoder configured to encode source data, and a mapper configured to generate three coordinates in accordance with a 3D...
Method for adapting filter cut-off frequencies for the transmission of
discrete multitone symbols
A method for adapting filter cut-off frequencies for the transmission of discrete multitone symbols, where a transmit symbol datastream consisting of discrete...
Method and apparatus to balance maximum information rate with quality of
service in a MIMO system
In a wireless MIMO communication system for N symbols of a frame of information, allocating N.sub.1 symbols to a stronger eigen sub-channel and N.sub.2 symbols...
Calibration of transmit and receive chains in a MIMO communication system
Techniques for calibrating the transmit and receive chains at a wireless entity are described. For a pre-calibration, N first overall gains for a receiver unit...
Transmitter, receiver and method for controlling multiple input multiple
Provided is a method of controlling a multiple input multiple output (MIMO) system. One embodiment of the method includes the steps of: estimating, at a...
Efficient computation of spatial filter matrices for steering transmit
diversity in a MIMO communication system
Techniques for efficiently computing spatial filter matrices are described. The channel response matrices for a MIMO channel may be highly correlated if the...
Radio parameter group generating apparatus, transmitter and receiver
An apparatus for generating sets of radio parameters includes a first deriving unit deriving a set of radio parameters for specifying a symbol including an...
Transmission symbols mapping for antenna diversity
Methods and apparatus for transmitting data via multiple antennas by using antenna diversity. A transmission diversity scheme is established such that two...
Apparatus and method for transmitting a sub-channel signal in a
communication system using an orthogonal...
A method of allocating sub-channel signal interleaving patterns to BSs forming a wireless communication system that divides a frequency band into a plurality of...