This page is updated frequently with new Modulation-related patent applications.
| Device to device communication method using partial device control|
A device to device (d2d) communication method based on a partial device control is disclosed. According to the present invention, the d2d communication method and, particularly, to a partial device control method for d2d communication a relates to, and provides a d2d resource allocation and release method, a d2d harq process operating method, a link adaptation method comprising d2d link power control and adaptive modulation and coding (amc), a d2d control information signaling method, a csi reporting method for d2d communication, and contents of a csi report.
Electronics And Telecommunications Research Institute
| Master station and hew communication using a transmission signaling structure for a hew signal field|
Embodiments of a transmission signaling structure for hew are defined to carry packet information to configure ofdma receivers for demodulation of a specific portion of the packet and/or to configure receivers for transmission using specific ofdma and mu-mimo resources. In some embodiments, the specific portion of the packet comprises one or more minimum bandwidth units of one or more 20 mhz channels.
Intel Ip Corporation
| Method and reducing latency of lte uplink transmissions|
A method and apparatus reduce latency of long term evolution (lte) uplink transmissions. A downlink control information (dci) message can be received in a first subframe.
Motorola Mobility Llc
| Dual-port testing of a cable network|
A dual-port testing apparatus is provided for testing a cable network at two test points. The testing may comprise demodulation of a same data packet at the test points, decoding the data packet, performing spectral analysis of the signal, etc.
Viavi Solutions Inc.
| Image processing method and image processing system assigning different gains to different sections|
The present invention discloses an image processing method and an image processing system adopting the same. The method includes the steps of: (a) obtaining a pixel array representing an image; (b) segmenting the pixel array into two or more non-overlapping regions; (c) identifying a capacitor discharging rate of each of the regions; (d) generating a pulse width modulation (pwm) signal when a voltage level dropping of a capacitor exceeds a predetermined threshold; and (e) applying exposure parameters to the regions according to the capacitor discharging rate of the regions, respectively, wherein the exposure parameter applied to one of the regions is different from the exposure parameter applied to at least another one of the regions..
Pixart Imaging (penang) Sdn. Bhd.
| Allocation and scheduling for time and frequency division multiplexing system|
A time and frequency division (tafd) scheduler based on a tafd allocation unit based credit allocation may schedule both time and frequency division for both legacy data over cable service interface specification (docsis) channels and docsis orthogonal frequency division multiple access (ofdma) channels. In embodiments, scheduling by the tafd schedules both single carrier quadrature amplitude modulation (sc-qam) transmissions and ofdma upstream transmissions.
Arris Enterprises Llc
| Multi-element code modulation mapping method, device and computer storage medium|
Disclosed is a multi-element code modulation mapping method and device, relating to communications and designed to improve communication reliability. The method includes that: multi-element domain coding is performed on a first sequence including k multi-element codes to obtain a second sequence including n multi-element codes; k1 and k2 are calculated according to a multi-element domain element number q and a modulation order m, wherein k1*log2 q=k2*log2 m, both k1 and k2 are integers not smaller than 2, and both q and m are power of 2; the second sequence is divided into z groups of multi-element codes with each group including k1 multi-element codes, wherein c=formula (i), and formula (ii) represents rounding up; each group of multi-element codes is mapped to a constellation diagram to form k2 mth-order modulation symbols; and z groups of mth-order modulation symbols are sequentially cascaded to form a modulation symbol to be sent.
| Apparatus and sending and receiving broadcast signals|
A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and ofdm demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one physical layer pipe (plp) of the broadcast signal into the bit domain and fec decoding of the converted plp data; and an output processing module outputting a data stream by receiving the at least one plp data..
Lg Electronics Inc.
| Apparatus and sending and receiving broadcast signals|
A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module performing baseband formatting and outputting at least one physical layer pipe (plp) data; a bicm module error-correction processing the plp data; a framing & interleaving module interleaving the plp data and generating a signal frame; and a waveform generating module inserting a preamble into the signal frame and generating a broadcast signal by performing ofdm modulation..
Lg Electronics Inc.
| Wireless communication apparatus|
A wireless communication apparatus includes a generating unit, a detecting unit, and a suppressing unit. The generating unit generates, using signals at multiple carrier frequencies that are different from each other, a replica signal for passive inter modulation distortion that occurs in a reception signal from a terminal due to the transmission of a multicarrier signal that includes the signals at the multiple carrier frequencies.
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 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, wherein the broadcast signals include at least one signal frame, wherein a signal frame includes a preamble and at least one sub-frame, 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 at least one of the preamble and a sub-frame, wherein the different interleaving sequence is generated based on an interleaving sequence and a symbol offset, a frame parser to parse the 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.
Adaptive modulation and coding method, apparatus, and system
Embodiments relate to the communications field, and provide an adaptive modulation and coding method, apparatus, and system. The method includes: obtaining to-be-processed data; obtaining channel information corresponding to the to-be-processed data, and determining a modulation mode according to the channel information.
Huawei Technologies Co., Ltd.
Data modulation ieee 802.11 and ieee 802.15 devices to generate low frequency signals
A data modulation method with low frequency signals, encapsulating a plurality of data along with an identifier corresponding to one or multiple lr receivers, and a given preamble into their associated fields to form a lr frame by means of a formatter. The preamble of the lr frame prepares the lr receiver for the reception of the receiver id and data.
Universitat Politecnica De Catalunya
Optical pam modulation with dual drive mach zehnder modulators and low complexity electrical signaling
The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using pam format(s) over optical communication networks.
Afc/txagc pdm inl
Provided is a pulse density modulation value converter, comprising: a pulse density modulation reference point storage for storing a plurality of pulse density modulation reference points, each pulse density modulation reference point comprising a linear pulse density modulation value, an actual pulse density modulation value and/or an integral non-linear error value, wherein the integral non-linear error value is the difference between the actual pulse density modulation value and the linear pulse density modulation value; and a pulse density modulation value calculator for receiving a linear pulse density modulation value, searching the pulse density modulation reference point storage for a pair of pulse density modulation reference points closest to the linear pulse density modulation value, obtaining an actual pulse density modulation value corresponding to the linear pulse density modulation value through linear interpolation on the basis of the pair of pulse density modulation reference points, and outputting the actual pulse density modulation value.. .
Reconfigurable load modulation amplifier
A reconfigurable load modulation amplifier having a carrier amplifier and a peak amplifier that are coupled in parallel is disclosed. The peak amplifier provides additional power amplification when the carrier amplifier is driven into saturation.
Qorvo Us, Inc
Reconfigurable load modulation amplifier
A reconfigurable load modulation amplifier having a first power amplifier (pa) configured to be supplied by a first drain voltage and a second pa coupled in parallel with the first pa, wherein the second pa is configured to be supplied by a second drain voltage is disclosed. The reconfigurable load modulation amplifier includes a quadrature coupler configured to combine power from both the first pa and the second pa for output through an output port.
Qorvo Us, Inc
Method for reducing spurious emissions from a voltage converter with clocked power switches
In order to reduce spurious emissions of a current converter or voltage converter having at least one power switch which is actuated with an actuating signal, wherein each actuating signal comprises switch-on pulses spaced apart from one another, and wherein pulse widths of the switch-on pulses are modulated in order to meet a specification for a current or a voltage in or at the current converter or voltage converter, the pulse widths are additionally varied more quickly and more strongly than is appropriate for meeting the specification in order to change the spectrum of the spurious emissions. In this context, changes to the pulse widths when they additionally vary compared to the pulse widths that would result only owing to their modulation to meet the specification are made on the basis of successive groups of changes which each extend over a predefined number of successive switch-on pulses and in which a sum of the changes is zero in each case.
Sma Solar Technology Ag
Distance determination between rfid tags
Technologies are generally described for distance determination between two or more rfid tags based on a minimum detectable signal. In some examples, a first rfid tag may establish communication with a second rfid tag, and modulate an irradiating electromagnetic field to generate backscatter signals for sequential transmission to the second rfid tag.
Empire Technology Development Llc
Achromatic phase modulator and optical device
An achromatic phase modulator (300) arranged to modulate the phase of linearly polarized light and to output the linearly polarized light having undergone phase modulation, comprising: means to establish a predefined light path; a linear input polarizer (301); at least two liquid crystal elements (1, 2) disposed in series downstream the linear input polarizer (301) on and orthogonally to the predefined light path, the liquid crystal elements (1, 2) being each constituted with a respective liquid crystal material and the refractive index wavelength dependence characteristics of the respective liquid crystal materials are different from each other; and a control unit (15) arranged to apply drive electric signals individually to the liquid crystal elements (1, 2) so as to achieve achromatic phase modulation for linearly polarized light exiting the linear input polarizer (301) and orthogonally passing through the liquid crystal elements (1, 2) along the predefined light path, wherein in each liquid crystal element (1, 2), the alignment direction of the liquid crystal molecules therein can be altered between a first alignment direction substantially parallel to the light path direction, and a second alignment direction substantially parallel to the polarization direction of the linearly polarized light, in the plane including the first alignment direction and the second alignment direction, in correspondence to the drive electric signals applied to the liquid crystal elements (1, 2), and the polarization direction of linearly polarized light entering the liquid crystal element (1) facing the linear input polarizer (301) coincides with the polarization direction of the linearly polarized light exiting the liquid crystal element (2) farthest from the linear input polarizer (301).. .
Image projection apparatus
An image projection apparatus includes an optical modulation element, a lighting optical unit, a projection unit, and a shifting unit. The optical modulation element generates an image from light emitted from a light source.
Method for non-fluorescence higher harmonic generation ground state depletion super-resolution microscopy
The present invention discloses a method for non-fluorescence higher harmonic generation ground state depletion super-resolution microscopy, it includes the following steps: providing an organic material unit, focusing excitation light and ground state depletion light, generating a higher harmonic signal, performing ground state depletion and performing microscopic imaging. With the implementation of the present invention, the stimulated electrons of the organic material remains majorly on the singlet (s1) state or the triplet (t1) state, instead of the ground (s0) state, to provide modulation of the spatial distribution of the non-fluorescence signal, and make sted microscopy applicable to non-fluorescence signals to promote the resolution of the images..
National Central University
Scanning ion conductance microscopy
A method for interrogating a surface of a sample bathed in electrolyte solution using sicm, comprising: controlling the potential between first and second electrodes bathed in the electrolyte solution to induce an ion current in the electrolyte solution, a submerged portion of the first electrode being contained within a micropipette and the second electrode being external to the micropipette; recording the ion current whilst controlling the micropipette to move with respect to a stage supporting the sample; and determining, from the ion current and calibration data, the surface height profile of the sample. Said potential can be controlled according to a spread spectrum modulated signal.
Optical metrology tool equipped with modulated illumination sources
The system includes a modulatable illumination source configured to illuminate a surface of a sample disposed on a sample stage, a detector configured to detect illumination emanating from a surface of the sample, illumination optics configured to direct illumination from the modulatable illumination source to the surface of the sample, collection optics configured to direct illumination from the surface of the sample to the detector, and a modulation control system communicatively coupled to the modulatable illumination source, wherein the modulation control system is configured to modulate a drive current of the modulatable illumination source at a selected modulation frequency suitable for generating illumination having a selected coherence feature length. In addition, the present invention includes the time-sequential interleaving of outputs of multiple light sources to generate periodic pulses trains for use in multi-wavelength time-sequential optical metrology..
Window blind assembly
A window blind assembly is disclosed and comprises a blind set, a light modulation device, a pull cord take-up device, and a coil spring control device. The blind set includes a bottom rail, a stopper, leaves, a blind ladder, pull cords, and a headrail.
Supreme Plastic Products Co., Ltd.
Novel dna-binding proteins and uses thereof
Disclosed herein are polypeptides, polynucleotides encoding, cells and organisms comprising novel dna-binding domains, including tale dna-binding domains. Also disclosed are methods of using these novel dna-binding domains for modulation of gene expression and/or genomic editing of endogenous cellular sequences..
Sangamo Biosciences, Inc.
Ddx5 and associated non-coding rnas and modulation of th17 effector function
Methods for screening to identify agents capable of modulating ddx5 polypeptide activity are encompassed herein as are methods for using such agents to treat subjects afflicted with th17-mediated inflammatory conditions and autoimmune diseases including, without limitation, crohn's disease, ulcerative colitis, multiple sclerosis, rheumatoid arthritis, and psoriasis and methods for using such agents to treat subjects afflicted with cancer.. .
Compositions and methods for modulation of smn2 splicing in a subject
Disclosed herein are compounds, compositions and methods for modulating splicing of smn2 mrna in a subject. Also provided are uses of disclosed compounds and compositions in the manufacture of a medicament for treatment of diseases and disorders, including spinal muscular atrophy..
Cold Spring Harbor Laboratory
Cell modulation nanocomposition, and methods of use
A nanocomposition for modulating cell behaviors and methods of uses thereof. The nanocomposition comprises a nanostructure comprising at least one nanoparticle and at least one cell-modulating agent operably linked to the nanostructure.
Rail warning system and method
The present disclosure generally relates to a rail warning system using wireless portable transmitters/receivers. The rail warning system uses a chirp spread spectrum modulation scheme, and alerts personnel in work zones on or near train tracks as well as optionally, on track equipment and train operators, of approaching trains or on track equipment.
Harsco Technologies Llc
Methods and systems to determine respiratory phase and motion state during guided radiation therapy
Methods and systems using magnetic resonance and ultrasound for tracking anatomical targets for radiation therapy guidance are provided. One system includes a patient transport configured to move a patient between and into a magnetic resonance (mr) system and a radiation therapy (rt) system.
General Electric Company
Linked area parameter adjustment for spinal cord stimulation and associated systems and methods
Systems and methods for managing pain in a patient using an electrical waveform that link the modulation of a waveform parameter for different areas of a patient. One embodiment in a system for managing pain in a patient comprises an electric device configured to be implanted into the patient and including a plurality of electrodes having at least a first electrode associated with a first area of the patient and a second electrode associated with a second area of the patient.
Methods and pulsed electric field neuromodulation via an intra-to-extravascular approach
Methods and apparatus are provided for pulsed electric field neuromodulation via an intra-to-extravascular approach, e.g., to effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, changes in cytokine upregulation and other conditions in target neural fibers. In some embodiments, the itev pef system comprises an intravascular catheter having one or more electrodes configured for intra-to-extravascular placement across a wall of patient's vessel into proximity with target neural fibers.
Medtronic Ardian Luxembourg S.a.r.i.
Methods and systems for thermally-induced renal neuromodulation
Methods and system are provided for thermally-induced renal neuromodulation. Thermally-induced renal neuromodulation may be achieved via direct and/or via indirect application of thermal energy to heat or cool neural fibers that contribute to renal function, or of vascular structures that feed or perfuse the neural fibers.
Medtronic Ardian Luxembourg S.a.r.l.
Signal processing apparatus and method
A method and an apparatus to analyze two measured signals that are modeled as containing desired and undesired portions such as noise, fm and am modulation. Coefficients relate the two signals according to a model defined in accordance with the present invention.
Monitoring device and compensating non-linearity effects in vital signs monitoring
The present invention relates to a monitoring device (10) comprising a light source (14) for emitting light into a body part (12) of a living being; a light sensor (18) for receiving light (16) including an ambient light component (30) and a measurement light component (32) resulting from interactions of said emitted light with said body part (12) and for generating an output signal (34), wherein a transfer function describes the relation between the output signal (34) and the received light; an ambient light cancellation unit (20) for separating the output signal (34) into a first signal portion (36) corresponding to the ambient light component (30) and a second signal portion (38) corresponding to the measurement light component (32); and an ambient light modulation removal unit (22) for compensating a variation of the ambient light component (30) by demodulating the second signal portion (38) based on the transfer function (f) and the first signal portion (36) to generate a measurement signal (40).. .
Koninklijke Philips N.v.