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This page is updated frequently with new Modulation-related patent applications.




Date/App# patent app List of recent Modulation-related patents
08/18/16
20160242233 
 Method and apparatus of link adaptation in wireless local area network patent thumbnailnew patent Method and apparatus of link adaptation in wireless local area network
A method of link adaptation performed by an access point supporting multi user (mu) multiple input multiple output (mimo) in wireless local area network system is provided. The method includes transmitting, to a first station, a physical layer convergence procedure (plcp) protocol data unit (ppdu) containing a modulation and coding scheme (mcs) request (mrq) and receiving, from the first station, a mcs feedback (mfb) in response to the mrq, wherein the first station is one of destination stations of mu-mimo transmission performed by the access point, and the mfb includes a recommended mcs value computed, by the first station, on the assumption that the first station, as a member of the destination stations, receives data transmitted over at least one spatial stream allocated to the first station in mu-mimo transmission..
Lg Electronics Inc.


08/18/16
20160242098 
 Mobile station, base station, wireless communication system, and communication method patent thumbnailnew patent Mobile station, base station, wireless communication system, and communication method
A mobile station that communicates with a base station includes, a distance calculation unit that calculates the distance between the mobile station and the base station, a reception power measurement unit that measures a reception power of a reception signal received from the base station; a rain state determination unit that determines a transmission-path quality on the basis of a reception-power theoretical value corresponding to the distance and a reception power measured by the reception power measurement unit and selects a communication parameter on the basis of the determined transmission-path quality, and a modulation unit that generates a transmission signal to be transmitted to the base station by using a communication parameter.. .
Mitsubishi Electric Corporation


08/18/16
20160242073 
 Method and  generating a phy header field patent thumbnailnew patent Method and generating a phy header field
In a method of generating a field of a physical layer (phy) header of a data unit, bits to be included in the field are generated and the bits are duplicated to generate duplicated bits. First modulation data is generated based on the duplicated bits.
Marvell World Trade Ltd.


08/18/16
20160241966 
 Amplifiers for parametric loudspeakers patent thumbnailnew patent Amplifiers for parametric loudspeakers
Systems and methods of audio processing and control for improved audibility and performance in a parametric loudspeaker system. The parametric loudspeaker system includes a parametric loudspeaker providing a capacitive load, an output stage having a plurality of switches interconnected in a bridge configuration and connected to the capacitive load of the parametric loudspeaker, and a controller operative to generate a series of pulse width modulation (pwm) pulses, and to generate a plurality of control signals synchronized with the series of pwm pulses for switchingly controlling the plurality of switches in the bridge configuration, thereby driving the capacitive load of the parametric loudspeaker..

08/18/16
20160241935 
 Systems and methods for communicating data of a power transmission line patent thumbnailnew patent Systems and methods for communicating data of a power transmission line
Distributing sensing systems that are capable of wirelessly communicating power and data over power lines are provided. The distributed sensing system may comprise a distributed sensing portion and a primary portion.
Goodrich Corporation


08/18/16
20160241852 
 Data encoding and decoding patent thumbnailnew patent Data encoding and decoding
A video data encoding apparatus operable to encode an array of input video data values includes: a differential pulse code modulation (dpcm) coder configured to apply a differential pulse code modulation operation to the array of input video data values to generate an array of dpcm data values; a quantizer operable to quantize data derived from the dpcm data values; and controller circuitry controlling selection of a rounding operation by the quantizer from two or more candidate rounding operations.. .
Sony Corporation


08/18/16
20160241426 
 System and  transmitting data with useful signal detection at the receiver end patent thumbnailnew patent System and transmitting data with useful signal detection at the receiver end
The present disclosure teaches methods for digitally transmitting data. An example method may include: receiving a modulated signal containing at least one useful signal or noise or interference signals; repeatedly estimating at least one parameter of the received signal relevant to the demodulation of the useful signal; monitoring changes in the repeatedly estimated parameters; and detecting a useful signal based at least in part on whether one or more changes in the repeatedly estimated parameters satisfy at least one particular, predefined condition..
Continental Automotive Gmbh


08/18/16
20160241418 
 High-speed can communication system using passband modulation patent thumbnailnew patent High-speed can communication system using passband modulation
Disclosed is a high-speed controller area network (can) communication system, which is compatible with a can communication system, using passband modulation. The system includes: a high-speed can controller configured to provide a standard can transmission bit stream and a high-speed can transmission bit stream; and a high-speed can transmitter configured to synthesize a passband can signal obtained by modulating the high-speed can transmission bit stream in a passband and a standard can signal based on the standard can transmission bit stream and to transmit it to a can bus..

08/18/16
20160241384 
 Carrier synchronization appropriate for alm nfc data transmission patent thumbnailnew patent Carrier synchronization appropriate for alm nfc data transmission
In some aspects, the disclosure is directed to methods and systems for carrier synchronization in active load modulation for near field communications. A broadcast carrier is received from a remote device and mixed with a locally-generated carrier and modulated data.
Broadcom Corporation


08/18/16
20160241380 
 Active load modulation in near field communication patent thumbnailnew patent Active load modulation in near field communication
An example method for active load modulation includes determining a modulated portion and an unmodulated portion of a bit. Further, the example method includes during the modulated portion of the bit, holding a phase of a received carrier signal.
Qualcomm Incorporated


08/18/16
20160241379 
new patent

Full duplex transmission high speed backplane system


A system for a backplane serializer/deserializer (serdes) including first and second integrated circuits (ic). The first and second ics include transmitters and receivers coupled to each other through first and second bidirectional links.
Futurewei Technologies, Inc.


08/18/16
20160241351 
new patent

Radio communication apparatus, transmission apparatus, and reception apparatus


A radio communication apparatus that performs radio communication according to a multicarrier scheme includes: a transmitting unit including a null inserting unit that dispersedly arranges null symbols in a two-dimensional space of time and frequency in radio data, and a differential modulating unit that performs differential modulation on a data symbol part other than the null symbols; and a receiving unit including an interference measuring unit that measures interference power for a data symbol that is a measurement target by using a null symbol adjacent to the data symbol in the two-dimensional space of time and frequency, and a delay detecting unit that performs weighting on each data symbol according to the interference power measured for each data symbol and that performs delay detection between data symbols.. .
Mitsubishi Electric Corporation


08/18/16
20160241331 
new patent

Apparatus and reorganizing resources of optical fiber cabinet and optical fiber cabinet


The present invention provides an apparatus including: a macrobending injected-light modulation and control module, configured to modulate an injected optical signal according to a port identifier of each first port and inject the injected optical signal to an optical fiber connected to the first port; a macrobending signal detection module, configured to receive a received optical signal at a second port of an optical transmission path; a phase-locked detection module, electrically connected to the macrobending injected-light modulation and control module and the macrobending signal detection module, and configured to: when an injected optical signal that is injected by the macrobending injected-light modulation and control module to an optical fiber is consistent with a received optical signal that is acquired by the macrobending signal detection module, acquire and output port identifiers of a first port and a second port.. .
Huawei Technologies Co., Ltd.


08/18/16
20160241320 
new patent

Multiple antenna transmission with variable diversity gain


A mimo transmitter including a modulator, a demultiplexer arranged to divide the information into one or more demux streams for transmission over different ones of the channels, and a diversity splitter to derive one or more sub-streams of the same information. A decorrelator such as a scrambler decorrelates the sub-streams before or after the modulation.
Koninklijke Philips N.v.


08/18/16
20160241301 
new patent

Time to digital converter and phase locked loop


A phase locked loop is disclosed having a frequency controlled oscillator (42), a feedback path, a time to digital converter (10) and a memory. The frequency controlled oscillator (42) comprises a first control input (135, 136) for varying the frequency of the output (106) of the frequency controlled oscillator (42) so as to track a reference frequency (101) and a second control input (139) for modulating the frequency of the output signal (106) so as to produce a chirp.
Nxp B.v.


08/18/16
20160241296 
new patent

Integrated circuit


Wireless communication wherein channel estimation accuracy is improved while keeping the position of each bit in a frame, even when a modulation system having a large modulation multiple value is used for a data symbol. An encoding operation encodes and outputs transmitting data (bit string) and a bit converting operation converts at least one bit of a plurality of bits constituting a data symbol to be used for channel estimation, among the encoded bit strings, into ‘1’ or ‘0’.
Panasonic Intellectual Property Corporation Of America


08/18/16
20160241272 
new patent

Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 3/15 and 256-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241271 
new patent

Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 4/15 and 64-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241270 
new patent

Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 3/15 and 16-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241269 
new patent

Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 4/15 and 256-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241268 
new patent

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 4/15 and 4096-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241267 
new patent

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 4096-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241266 
new patent

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 2/15 and 4096-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241265 
new patent

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 4/15 and 1024-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241264 
new patent

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 2/15 and 1024-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241263 
new patent

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 2/15 and 256-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241262 
new patent

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 256-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241261 
new patent

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 2/15 and 64-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241260 
new patent

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 2/15 and 16-symbol mapping, and bit interleaving method using same


A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute


08/18/16
20160241256 
new patent

Signal modulation circuit


Provided is a modulation circuit that can correct an output state in real time and reliably modulate an input signal to output the modulated signal. The signal modulation circuit includes a subtractor, an integrator, a chopper circuit, a frequency divider, and a d-type flip-flop.
Onkyo Corporation


08/18/16
20160241238 
new patent

Drive circuit for driving a capacitive load


A liquid discharge apparatus includes: an modulation circuit that generates a modulated signal by pulse-modulating a source signal through self-oscillation; a transistor that amplifies the modulated signal to generate an amplified modulated signal; a low-pass filter that includes an inductor and a capacitor and smoothes the amplified modulated signal to generate a drive signal; a feedback circuit that allows the drive signal to return to the modulation circuit; a piezoelectric element that is displaced by application of the drive signal thereto; a cavity that is filled with a liquid inside and has an internal volume which changes when the piezoelectric element is displaced; and a nozzle that is provided to discharge the liquid inside the cavity in response to the change of the internal volume of the cavity. In this configuration, a self-resonant frequency of the capacitor is higher than a frequency of the self-oscillation..
Seiko Epson Corporation


08/18/16
20160241223 
new patent

Apparatuses, methods, and systems for jitter equalization and phase error detection


Embodiments include apparatuses, methods, and systems for jitter equalization and phase error detection. In embodiments, a communication circuit may include a data path to pass a data signal and a clock path to pass a clock signal.
Intel Corporation


08/18/16
20160241181 
new patent

Power conversion device, motor driving device including power conversion device, blower and compressor including motor driving device, and air conditioner, refrigerator, and freezer including blower and compressor


A power conversion device includes an inverter configured by arms including phase upper-arm switching elements and phase lower-arm switching elements, a power-supply shunt resistor, lower-arm shunt resistors, and a control unit that generates drive signals corresponding to the phase upper-arm switching elements and the phase lower-arm switching elements from detection values of the voltage detectors. The power conversion device changes a ratio of time in which all of the upper-arm switching elements are in an on state and time in which all of the lower-arm switching elements are in the on state in one cycle of switching of the inverter according to a modulation ratio..
Mitsubishi Electric Corporation


08/18/16
20160241158 
new patent

Inverter apparatus including control circuit employing two-phase modulation control, and interconnection inverter system including the inverter apparatus


A control circuit reduces switching loss by periodically stopping switching elements, and reduces the difference between the time for which positive switching elements are in on state and the time for which negative switching elements are in on state. The control circuit includes a command value signal generator generating command value signals xu1, xv1, and xw1 from line voltage command value signals xuv, xvw, and xwu, and includes a pwm signal generator generating pwm signals by the command value signals xu1, xv1, and xw1.
Daihen Corporation


08/18/16
20160241147 
new patent

Compensation free modulation for power converters


A method is provided for controlling a power stage of a power converter configured to generate an output voltage from an input voltage according to a control law controlling a switchable power stage. The method includes generating a pulsed control signal for switching the power stage and translating the pulsed control signal in phase relative to a constant frequency clock signal.
Zentrum Mikroelektronik Dresden Ag


08/18/16
20160240921 
new patent

Phase switching pll and calibration method


The phase-locked loop (pll) presented herein controls the phase of the output of the pll. To that end, the pll includes an oscillator that generates an output signal at an output of the pll responsive to a comparison between a reference signal input to the pll and a feedback signal derived from the output signal.
Telefonaktiebolaget Lm Ericsson (publ)


08/18/16
20160240789 
new patent

Perylene-based semiconductors


The present invention relates to new semiconductor materials prepared from perylene-based compounds. Such compounds can exhibit high carrier mobility and/or good current modulation characteristics.
Polyera Corporation


08/18/16
20160240766 
new patent

Piezoelectric thin-film based flexible sensing device, fabrication thereof and operating the same


A sensing device, a method for fabrication thereof, and a method for operating the same are disclosed. The sensing device includes a flexible substrate, a first metallisation layer, a piezoelectric thin film layer, a second metallisation layer, and an insulating layer.
Masdar Institute Of Science And Technology


08/18/16
20160240266 
new patent

Weak bit detection using on-die voltage modulation


Methods and apparatuses for performing a disturb test on a memory are disclosed. Circuitry may be configured to store test data into one or more data storage cells.
Apple Inc.


08/18/16
20160240172 
new patent

Display controller for display panel


A display controller includes first and second arbitrating units, a pixel data calculating unit, a latency measurement unit, and a clock divider. The first and second arbitrating units fetch first and second pixel data corresponding to at least one pixel from an external memory via a system bus.

08/18/16
20160239075 
new patent

Control apparatus, control method, cable, electronic apparatus, and communication apparatus


An electronic apparatus receiving a baseband signal of a baseband to start initialization processing for causing the electronic apparatus to be in a state of being capable of establishing connection or to turn on or off a power source based on detection results of power of a modulation signal obtained by frequency-converting the baseband signal into a signal of a predetermined frequency band higher than the baseband is controlled. The present technology can be applied to a cable connected to an electronic apparatus to which a cable capable of supplying a power source by bus power such as a usb cable..

08/18/16
20160238860 
new patent

Coupling-modulated optical resonator


Coupling modulation of an optical resonator employs a variable modal index to provide modulation of optical signal coupling. A coupling-modulated optical resonator includes an optical resonator having a coupled portion and a bus waveguide having a modulation section adjacent to and coextensive with and separated by a gap from the coupled portion.
Hewlett-packard Development Company, L.p.


08/18/16
20160238791 
new patent

Single-shot correction of resonant optical components


An optical device is described. This optical device includes optical components having resonance wavelengths that match target values with a predefined accuracy (such as 0.1 nm) and with a predefined time stability (such as permanent or an infinite time stability) without thermal tuning and/or electronic tuning.
Oracle International Corporation


08/18/16
20160238763 
new patent

Polarized light modulation device and manufacturing method thereof


A polarized light modulation device and a manufacturing method thereof are provided. Oppositely disposed first and second transparent electrode substrates are provided.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


08/18/16
20160238671 
new patent

Systems and methods for processing temperature data or other signals


In an embodiment, a circuit is configured to produce a magnetic field signal having a frequency spectrum. The circuit may also produce a temperature signal.
Allegro Microsystems, Llc


08/18/16
20160238376 
new patent

Optical fiber sensor system


The optical fiber sensor system includes a light source unit including a light source and a polarization controller, a modulation unit having an optical path and a coil and configured to modulate light passing though the optical path according to stress applied to the coil, an optical coupler configured to branch the measured light into clockwise light and counterclockwise light, and output interference light, a polarization separator configured to separate the interference light into a first component and a second component having polarization states orthogonal to each other, and a detection unit having a first light detector and configured to detect stress by converting the first component into a first electrical signal. The polarization controller controls a polarization state of light output from the light source so that the first electrical signal is proportional to the stress..
Sumitomo Electric Industries, Ltd.


08/18/16
20160238014 
new patent

System and controlling forward/reverse rotation of fan


A control system includes a motor, an interface circuit, a motor controller and a detection control circuit. The interface circuit receives and converts a pulse width modulation signal.
Delta Electronics, Inc.


08/18/16
20160237434 
new patent

Modulation of apolipoprotein c-iii expression


Compounds, compositions and methods are provided for modulating the expression of apolipoprotein c-iii. The compositions comprise oligonucleotides, targeted to nucleic acid encoding apolipoprotein c-iii.
Ionis Pharmaceuticals, Inc.


08/18/16
20160236464 
new patent

Liquid discharging apparatus, head unit, capacitive load driving circuit, and control capacitive load driving circuit


A liquid discharging apparatus includes a modulation portion that generates a modulation signal obtained by pulse-modulating a source signal; an amplifier that includes a first gate driver generating a first amplification control signal based on the modulation signal, a second gate driver generating a second amplification control signal based on the modulation signal, a first transistor operating based on the first amplification control signal, a second transistor connected to the first transistor on a low-potential side in series and operating based on the second amplification control signal; an operation control portion that controls operations of the first gate driver and the second gate driver; a low-pass filter that generates a driving signal by demodulating an amplification modulation signal generated based on operations of the first transistor and the second transistor; and a piezoelectric element that is displaced by applying the driving signal.. .
Seiko Epson Corporation


08/18/16
20160235985 
new patent

Utilization of different loudness encoding schemes in cochlear implant systems


An exemplary sound processor included in a cochlear implant system associated with a patient may 1) identify a loudness level of an audio signal presented to the patient, 2) determine that a stimulation pulse amplitude corresponding to the loudness level is greater than a maximum stimulation pulse amplitude allowed by a compliance voltage associated with a cochlear implant implanted within the patient, and 3) direct, in response to the determination that the stimulation pulse amplitude is greater than a maximum stimulation pulse amplitude allowed by the compliance voltage, the cochlear implant to represent the loudness level to the patient by directing the cochlear implant to generate and apply one or more stimulation pulses to the patient in accordance with at least one of a first encoding scheme that includes pulse density modulation and a second encoding scheme that includes a combination of pulse amplitude modulation and pulse width modulation.. .
Advanced Bionics Ag


08/18/16
20160235967 
new patent

Microlead for multipoint neuromodulation of the central nervous system


A microlead, of an overall diameter less than 0.5 mm, includes a plurality of at least eight conductor wires individually insulated and twisted together. Each conductor wire includes an electrically conductive core microcable and an insulation layer surrounding the core microcable and having at least one exposed area to form a detection/stimulation electrode of the microlead.
Sorin Crm Sas


08/18/16
20160235841 
new patent

Fgf modulation of in vivo antibody production and humoral immunity


The invention provides methods for increasing or decreasing antibody production in vivo by inhibiting or promoting the activity of fibroblast growth factor-2 (fgf2) respectively.. .

08/18/16
20160235824 
new patent

Compositions and methods for increasing the half-life of factor xa


Compositions and methods for the modulation of hemostasis are disclosed.. .
The Children's Hospital Philadelphia


08/18/16
20160235664 
new patent

Hematocrit modulation through needle assisted jet injection of testosterone


The present invention provides compositions and methods for treating a subject in need of treatment with testosterone, including introducing testosterone into the subject subcutaneously, intradermally, or intramuscularly, from a needle assisted jet injection device.. .

08/18/16
20160235352 
new patent

Methods and systems for determining subject-specific parameters for a neuromodulation therapy


A neurological control system for modulating activity of any component or structure comprising the entirety or portion of the nervous system, or any structure interfaced thereto, generally referred to herein as a “nervous system component.” the neurological control system generates neural modulation signals delivered to a nervous system component through one or more neuromodulators to control neurological state and prevent neurological signs and symptoms. Such treatment parameters may be derived from a neural response to previously delivered neural modulation signals sensed by one or more sensors, each configured to sense a particular characteristic indicative of a neurological or psychiatric condition..
Cyberonics, Inc.


08/18/16
20160235328 
new patent

System and generating and recording auditory steady-state responses with a speech-like stimulus


The application relates to a method for recording auditory steady-state responses responses of a person, the method comprising a) providing an acoustic stimulus signal to an ear of the person, b) recording the auditory steady-state responses of the person originating from said acoustic stimulus signal. The application further relates to a system.
Interacoustics A/s


08/18/16
20160235055 
new patent

Methods and reagents for maintaining the viability of cancer cells in surgically removed tissue


A composition and method for generating reagents and the composition of these reagents for the stabilization and preservation of viability of cancer tissue which has been surgically excised and the suspension and/or termination of apoptosis (cell death) by significant modulation of cell metabolism by low molar concentrations of synergistic chemistries and hormonal growth enhancers while maintaining normal gene expression patterns of the surgically excised tissue.. .
Truckee Applied Genomics, Llc


08/11/16
20160234829 

Terminal apparatus, base station apparatus, integrated circuit, and radio communication method


A terminal apparatus communicates with a base station apparatus. The terminal apparatus includes: a determination unit that determines the number of modulation symbols for channel state information transmitted on a physical uplink shared channel based on a value of an offset; and a transmission unit that transmits the channel state information to the base station apparatus on the physical uplink shared channel.
Sharp Kabushiki Kaisha


08/11/16
20160234812 

Method and encoding transport block


A method for encoding a transport block in a wireless communication system, and a wireless apparatus therefore are discussed. The method according to one embodiment includes determining, at a transmitting device, a size of the transport block based on a size of an allocated resource, a number of layers, and modulation and coding scheme (mcs) for the transport block, wherein the size of the transport block is determined from among a plurality of predetermined sizes, wherein the plurality of the predetermined sizes include 305976 bits, 324336 bits, and 391656 bits when the transport block is mapped to four-layer spatial multiplexing and when 256 quadrature amplitude modulation (qam) is used for the transport block; and attaching at the transmitting device, a first cyclic redundancy check (crc) code to the transport block to configure a first crc-attached transport block..
Lg Electronics Inc.


08/11/16
20160234684 

Communications with distance authentication


Distance-based authentication is provided for mitigating undesirable interaction and/or attacks upon ranging systems, such as those involving vehicle entry or secure payment. As may be implemented in accordance with one or more embodiments, a leading edge of one or more pulses in a waveform of a signal is obscured as part of distance-based authentication.
Nxp B.v.


08/11/16
20160234399 

Light source drive control device, image forming apparatus, light source drive control method, and computer program product


A light source drive control device includes: an image data generating part that generates line-thinned image data having been subjected to line thinning processing for thinning an edge pixel in image data by a first pixel width; an intensity information generating part that generates intensity information including a first intensity at which a pixel not included in a set second pixel width of an edge in the line-thinned image data is exposed and a second intensity at which a pixel included in the second pixel width is exposed and which is higher than the first intensity; and a light source driving part that drives a light source based on a light source modulation signal generated according to the line-thinned image data and a drive current data switched based on a drive current switching signal generated based on the intensity information.. .

08/11/16
20160234053 

Apparatus for transmitting broadcast signals, receiving broadcast signals, transmitting broadcast signals and receiving broadcast signals


A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data, a framing block to map the encoded service data into data symbols to build at least one signal frame, a frequency interleaver to frequency interleaving data in the at least one signal frame by using an interleaving sequence, a modulator to perform a modulation on the frequency interleaved data by the ofdm (orthogonal frequency division multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data, wherein a different interleaving sequence is used for two consecutive data symbols corresponding to an ofdm symbol pair or a data symbol corresponding to an ofdm symbol according to an fft size of the modulation..
Lg Electroncs Inc.


08/11/16
20160234051 

Apparatus for transmitting broadcast signals, receiving broadcast signals, transmitting broadcast signals and receiving broadcast signals


A method and an apparatus for receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to perform demodulation on the received broadcast signals by an ofdm (orthogonal frequency division multiplex) scheme, a frequency de-interleaver to frequency de-interleave the demodulated broadcast signals by using a different interleaving sequence, wherein the different interleaving sequence is used for data corresponding to an ofdm symbol pair or data corresponding to an ofdm symbol according to an fft size of the demodulation, a frame parser to parse at least one signal frame from the frequency de-interleaved broadcast signals and a decoder to decode service data in the parsed at least one signal frame..
Lg Electronics Inc.


08/11/16
20160234009 

Chaotic baseband modulation hopping based post-quantum physical-layer encryption


A post-quantum physical-layer encryption/decryption system based on chaotic baseband modulation hopping (bmh). The baseband constellation, mapping, power level, and phase will vary symbol-by-symbol according to assigned random sequences.

08/11/16
20160233983 

Transmitting apparatus and interleaving method thereof


A transmitting apparatus is provided. The transmitting apparatus includes: an encoder configured to perform a low-density parity check (ldpc) encoding on input bits using a parity check matrix to generate an ldpc codeword comprising information word bits and parity bits; an interleaver configured to interleave the ldpc codeword; and a modulator configured to map the interleaved ldpc codeword onto a modulation symbol, wherein the modulator is further configured to map a bit included in a predetermined bit group from among a plurality of bit groups constituting the ldpc codeword onto a predetermined bit of the modulation symbol..
Samsung Electronics Co., Ltd.


08/11/16
20160233982 

Likelihood generation circuit and likelihood generation method


A phase of a symbol on an inner or outer circle of a received 8qam symbol set, which is bitmapped by being assigned one bit depending on whether the symbol is on the inner or outer circle of a constellation mapping diagram and two bits for each of the quadrants, is rotated to generate, by qpsk likelihood generation, along with a likelihood of a received qpsk modulation symbol, a likelihood for the two bits assigned to the quadrant of the 8qam modulated symbol set whose phase is rotated. Further, the phase-rotated 8qam modulated symbol set is phase-rotated to the first quadrant of the diagram to move the symbol set to the qpsk symbol mapping positions, thereby generating, by qpsk likelihood generation, the likelihood for the one bit assigned to represent whether the symbol is on the outer circle or the inner circle of the 8qam modulated symbol set..
Mitsubishi Electric Corporation


08/11/16
20160233979 

Method and system for reliable data communications with adaptive multi-dimensional modulations for variable-iteration decoding


In an advanced adaptive modulation and coding (amc) scheme, the code rate and the parity-check matrix (pcm) for low-density parity-check (ldpc) codes are adapted according to modulation formats and variable-iteration receivers. The degree distribution for the pcm adaptation is designed by heuristic optimization to minimize the required snr via an extrinsic information transfer (exit) trajectory analysis for finite-iteration decoding.
Mitsubishi Electric Research Laboratories, Inc.


08/11/16
20160233977 

User equipment using hybrid automatic repeat request


A user equipment comprises a transmitter and an adaptive modulation and coding controller. The transmitter is configured to transmit data over an air interface in a single transmission time interval with a first specified modulation and coding scheme, where the single transmission time interval has a plurality of transport block sets.
Intel Corporation


08/11/16
20160233968 

Noise cancellation system


A noise cancellation system comprises an i-channel mixer configured to receive a radio frequency signal from an antenna and an intermediate frequency signal from a local oscillator, a q-channel mixer configured to receive the radio frequency signal from the antenna and a phase-shifted intermediate frequency signal from the local oscillator, a first noise cancellation apparatus connected with the i-channel mixer, wherein an i-channel differential mode second-order intermodulation component and an i-channel common mode second-order intermodulation component cancel each other in the first noise cancellation apparatus and a second noise cancellation apparatus connected with the q-channel mixer, wherein a q-channel differential mode second-order intermodulation component and a q-channel common mode second-order intermodulation component cancel each other in the second noise cancellation apparatus.. .
Futurewei Technologies, Inc.


08/11/16
20160233966 

Parametric transducer microphone system


An ultrasonic emitter can launch an unmodulated ultrasonic carrier signal towards an audio source. The ultrasonic carrier signal, upon being reflected from the audio source, undergoes modulation by the audio source.
Turtle Beach Corporation


08/11/16
20160233962 

High electron mobility transistor-based terahertz wave space external modulator


Terahertz external modulator based on high election mobility transistors belongs to the field of electromagnetic functional devices technology. This invention includes the semiconductor substrate (1), the epitaxial layer (2), and the modulation-unit array (4).
University Of Electronic Science And Technology Of China


08/11/16
20160233961 

Optical transceiver of flexible modulation format


An optical transceiver of a flexible modulation format. The optical transceiver may include an optical transmitter to convert an electrical signal to an optical signal and transmit the optical signal, an optical receiver to receive and convert the optical signal to an electrical signal, s and a controller to set modulation formats of the optical transmitter and the optical receivers according to modulation format information..
Electronics And Telecommunications Research Institute


08/11/16
20160233943 

Reception apparatus, reception method, and program


The present technology relates to a reception apparatus, a reception method, and a program capable of improving performance in diversity. The reception apparatus includes a plurality of demodulation units configured to demodulate a supplied branch and generate a symbol, and a synthesis unit configured to synthesize the symbol demodulated by the plurality of demodulation units, to which the synthesis unit sets a predetermined time from arrival time of a first-arriving symbol as a search range, and synthesizes a symbol that arrives within the search range and the first-arriving symbol.
Sony Corporation


08/11/16
20160233942 

Satellite communications system using transceiver arrays


A system comprises a first transceiver circuit, a second transceiver circuit, and a first data bus. The first transceiver circuit is configured to receive first signals from first antenna elements, beamform the first signals to generate a first beamformed signal, downconvert the first beamformed signal as part of generation of a first downconverted beamformed signal, and transmit the first downconverted beamformed signal onto the first data bus.
Maxlinear, Inc.


08/11/16
20160233941 

Transmission method, transmission device, reception method and reception device


A transmission method includes mapping processing, phase change processing, and transmission processing. In the mapping processing, a plurality of first modulation signals and a plurality of second modulation signals are generated using a first mapping scheme, and a plurality of third modulation signals and a plurality of fourth modulation signals are generated using a second mapping scheme.
Panasonic Intellectual Property Corporation Of America


08/11/16
20160233933 

Spatial modulation multiple-input-multiple-output (sm-mimo) system


In an sm-mimo wireless communication system, multiple transmitting antennae may be utilized to transmit wireless signals that carry signal sequences. A selection of the multiple transmitting antennae may be configured to represent a portion of the signal sequences so that channel state information (csi) is not required at the receiving end of the sm-mimo system..
Empire Technology Development Llc


08/11/16
20160233901 

Passive intermodulation detection


A method, apparatus and receiver for detecting intermodulation distortion (imd) affecting a received signal in a wireless receiver are provided. One method includes determining a measurement indicative of imd based on at least one transmit signal.
Telefonaktiebolaget Lm Ericsson (publ)


08/11/16
20160233893 

Transmitting apparatus and interleaving method thereof


A transmitting apparatus is provided. The transmitting apparatus includes: an encoder configured to generate a low density parity check (ldpc) codeword by ldpc encoding based on a parity check matrix; an interleaver configured to interleave the ldpc codeword; and a modulator configured to map the interleaved ldpc codeword onto a modulation symbol, wherein the modulator is further configured to map a bit included in a predetermined bit group from among a plurality of bit groups constituting the ldpc codeword onto a predetermined bit of the modulation symbol..
Samsung Electronics Co., Ltd.


08/11/16
20160233892 

Transmitter apparatus and interleaving method thereof


A transmitting apparatus is provided. The transmitting apparatus includes: an encoder configured to generate a low-density parity check (ldpc) codeword by ldpc encoding of input bits based on a parity check matrix including information word bits and parity bits, the ldpc codeword including a plurality of bit groups each including a plurality of bits; an interleaver configured to interleave the ldpc codeword; and a modulator configured to map the interleaved ldpc codeword onto a modulation symbol, wherein the interleaver is further configured to interleave the ldpc codeword such that a bit included in a predetermined bit group from among the plurality of bit groups constituting the ldpc codeword onto a predetermined bit of the modulation symbol..
Samsung Electronics Co., Ltd.


08/11/16
20160233891 

Transmitting apparatus and interleaving method thereof


A transmitting apparatus is provided. The transmitting apparatus includes: an encoder configured to generate a low-density parity check (ldpc) codeword by ldpc encoding based on a parity check matrix; an interleaver configured to interleave the ldpc codeword; and a modulator configured to map the interleaved ldpc codeword onto a modulation symbol, wherein the modulator is further configured to map a bit included in a predetermined bit group from among a plurality of bit groups constituting the ldpc codeword onto a predetermined bit of the modulation symbol..
Samsung Electronics Co., Ltd.


08/11/16
20160233886 

Transmitting apparatus and interleaving method thereof


A transmitting apparatus is provided. The transmitting apparatus includes: an encoder configured to generate a low density parity check (ldpc) codeword by ldpc encoding based on a parity check matrix; an interleaver configured to interleave the ldpc codeword; and a modulator configured to map the interleaved ldpc codeword onto a plurality of modulation symbols, wherein the modulator is configured to map bits included in a predetermined bit group from among a plurality of bit groups constituting the ldpc codeword onto a predetermined bit of each of the modulation symbols..
Samsung Electronics Co., Ltd.


08/11/16
20160233857 

Information processing apparatus with semiconductor integrated circuit capable of reducing amount of radiation noise and control method therefor


An information processing apparatus which is capable of maintaining the amount of radiation noise from a semiconductor integrated circuit constant. A voltage value information storage unit holds information indicative of a voltage to be applied to the semiconductor integrated circuit.
Canon Kabushiki Kaisha


08/11/16
20160233855 

Pulse width modulation


A device includes a combining circuitry that receives an incoming signal, and one or more delayed signals from a delay circuitry. The combining circuitry combines the incoming signal and the one or more delayed signals to generate a combined signal.
Marvell World Trade Ltd.


08/11/16
20160233813 

Increasing pwm resolution for digitally controlled motor control applications


Systems and methods for increasing pulse width modulation (pwm) resolution for digitally controlled motor control applications are described. For example, in some embodiments, a method may include receiving a clock signal having a given period; identifying a target duty cycle; calculating a comparison point based upon the given period and the target duty cycle; generating a pwm signal based upon the clock signal using the comparison point; and varying the comparison point to increase a resolution of an effective duty cycle of the pwm signal..
Texas Instruments Incorporated


08/11/16
20160233801 

Motor drive device


A motor drive device includes: an inverter circuit that has three switching elements corresponding to three phases of a three-phase motor coil, converts a dc applied voltage of a power source to an ac voltage by a pwm, and output the ac voltage to the motor coil; a voltage detection device for the dc applied voltage; and a control device that controls the pwm. The control device selects a first modulation method, for fixing the on/off-state of a part of the switching elements and for switching the on/off-state of the other part of the switching elements, or a second modulation method, for switching the on/off-state of the switching elements corresponding to three phases.
Denso Corporation


08/11/16
20160233790 

Bidirectional electrical signal converter


A bidirectional ac-to-dc and dc-to-ac circuit includes a first inductor-capacitor (lc) circuit connected to an ac power source, a transistor synchronized with the ac power source signal, a second lc circuit electrically connected to the synchronized transistor and the first inductor-capacitor circuit, a high-frequency switching transistor electrically connected to the second inductor-capacitor circuit and a direct current (dc) load, and a controller connected to the high-frequency switching transistor. The controller identifies an error between a measured dc output signal and a predetermined dc output signal that is applied to the dc load, and adjusts a duty cycle of a pulse width modulation (pwm) switching signal for the high-frequency transistor to reduce the identified error..
Indiana University Research And Technology Corporation


08/11/16
20160233771 

Power converter with adaptive zero-crossing current detection


A power converter with adaptive zero-crossing current detection is provided. The power converter includes a first transistor, a second transistor, a pwm (pulse width modulation) controller, a low-pass filter, and a delay controller.
Mediatek Inc.


08/11/16
20160233759 

Pre-distortion of sensed current in a power factor correction circuit


A controller for use in a power factor correction converter includes a power factor enhancer that includes a zero-crossing detector coupled to receive an ac line input voltage signal and is coupled to output a zero-crossing signal. A peak detector is coupled to receive the ac line input voltage signal and the zero-crossing signal and is coupled to output a peak signal.
Power Integrations, Inc.


08/11/16
20160233675 

Power conversion device and driving the same


A power conversion device includes: a first dc-dc converter configured to receive a first power from a first dc power source and to convert at least one of a voltage level and a current level to generate a first converted power; a dc-ac inverter electrically coupled to the first dc-dc converter and configured to convert the first converted power into a first ac power and to provide the first ac power to an external device; and a control unit configured to control the first dc-dc converter and the dc-ac inverter, wherein the first dc-dc converter and the dc-ac inverter are configured to be driven according to pulse width modulation (pwm) scheme using a first carrier frequency and a dc-ac carrier frequency, respectively, wherein a level of the first carrier frequency and a level of the dc-ac carrier frequency are determined according to predetermined time periods.. .
Samsung Sdi Co., Ltd.


08/11/16
20160233671 

Control apparatus using variations in conduction angle as control command


A control apparatus using variations in conduction angle as control command, wherein a conduction angle modulation module of a traditional leading edge cutoff dimmer is arranged in parallel with a resistance module, so as to enlarge the minimum conduction angle of the leading edge dimmer. The modulation range of the conduction angle of the conduction angle modulation module may be set to a smaller range, so that the modulation range of the resistance module will not be uncertain due to different setting values of the variable resistance, whereby the circuit at load end can be identified readily and function mode switching facilitated to achieve the effect of multiplexing control..
Jaguar Precision Industry Co., Ltd.




Modulation topics: Modulation, Duty Cycle, Reference Voltage, Comparator Circuit, Backlight Unit, Liquid Crystal Display, Liquid Crystal, Frequency Modulation, Intermodulation Distortion, Rf Switch Circuit, Frequency Detector, Holographic, Terrestrial, Ground Segment, Transponder

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