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Patent # Description
US-7,991,111 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...
US-7,991,110 Weight inspection apparatus and weight inspection system provided therewith
A weight inspection apparatus includes a weight obtaining unit, an irradiation unit, a detection unit and an estimated weight calculation unit. The weight...
US-7,991,109 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...
US-7,991,108 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...
US-7,991,107 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...
US-7,991,106 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...
US-7,991,105 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...
US-7,991,104 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...
US-7,991,103 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...
US-7,991,102 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...
US-7,991,101 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...
US-7,991,100 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...
US-7,991,099 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...
US-7,991,098 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...
US-7,991,097 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...
US-7,991,096 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...
US-7,991,095 Sampling method, reconstruction method, and device for sampling and/or reconstructing signals
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...
US-7,991,094 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...
US-7,991,093 Analog/digital circuit
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...
US-7,991,092 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,...
US-7,991,091 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...
US-7,991,090 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)...
US-7,991,089 Inter-carrier interference removal device and reception device using the same
An inter-carrier interface removal device can improve estimation accuracy of inter-carrier interference caused by Doppler shift in a received multi-carrier...
US-7,991,088 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...
US-7,991,087 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...
US-7,991,086 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...
US-7,991,085 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...
US-7,991,084 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...
US-7,991,083 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...
US-7,991,082 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)...
US-7,991,081 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...
US-7,991,080 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...
US-7,991,079 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...
US-7,991,078 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...
US-7,991,077 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...
US-7,991,076 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...
US-7,991,075 Radio broadcasting method and transmitter using pre-filtering and corresponding signal
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...
US-7,991,074 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...
US-7,991,073 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...
US-7,991,072 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...
US-7,991,071 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...
US-7,991,070 Wavelength transmission system and method using 3-dimensional LDPC-coded modulation
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...
US-7,991,069 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...
US-7,991,068 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...
US-7,991,067 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...
US-7,991,066 Transmitter, receiver and method for controlling multiple input multiple output system
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...
US-7,991,065 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...
US-7,991,064 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...
US-7,991,063 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...
US-7,991,062 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...
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