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Modulation

Modulation-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Ultra-reliable and low priority communications
Verizon Patent And Licensing Inc.
September 14, 2017 - N°20170265229

Systems described herein receive, via a physical random access channel, an attach request from a user device; retrieve profile data for the user device; and determine, based on rf conditions estimated from the attach request, an initial downlink repetition level for extended coverage. The systems also receive a reference signal from the user device via a physical uplink shared channel; ...
Method and apparatus for communicating to ue an indication of available rs, based on mimo ...
Telefonaktiebolaget Lm Ericsson (publ)
September 14, 2017 - N°20170265093

The present solution ensures that the ues are able to make use of all the available reference signals that can be used in a cell for performing ue measurements, estimations or demodulations. That is achieved by indicating on a downlink common or shared channel, the mimo mode settings associated with a specific network node. The indicated mimo mode settings explicitly ...
Signal transmission method, and apparatus
Huawei Technologies Co., Ltd.
September 14, 2017 - N°20170265091

The present invention relates to the field of mobile communications technologies, and in particular, to a signal transmission method, and an apparatus. In this solution, a technical feature of sending, to a receive end, an alternative transmission configuration corresponding to a selected first cqi is used. In this technical feature, the alternative transmission configuration sent to the receive end is ...
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Modulation Patent Applications
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Display uniformity compensation method, optical modulation apparatus, signal processor, and projection system
Appotronics China Corporation
September 14, 2017 - N°20170264870

Disclosed are a display uniformity compensation method, an optical modulation apparatus, a signal processor, and a projection system. The method comprises: acquiring original image data and an optical loss coefficient a of a compensation region, acquiring t1 and t2, and making t2/t1=f a/(1−a), where 0<f<=1, and t1+t2=t; determining full region ...
Efficient methods and recursive/scalable circuit architectures for qam symbol mean and variance estimations
Futurewei Technologies, Inc.
September 14, 2017 - N°20170264478

Circuits for producing signals representative of mean and variance estimations for quadrature amplitude modulation (qam) are provided where the circuits comprise: sequentially repeated first circuit modules and sequentially repeated second circuit modules configured for producing updates in the corresponding estimation iterations. In one embodiment, a closest negative integer power of 2 is used as a substitute multiplicand when multiplying together two ...
Method and apparatus for i-q decoupled ofdm modulation and demodulation
Blackberry Limited
September 14, 2017 - N°20170264477

A method and apparatus for orthogonal frequency division multiplexing (ofdm) modulation includes separating a frequency-domain sequence of complex numbers into a first portion and a second portion that is disjoint with the first portion, each of the first portion and the second portion including a respective half of the complex numbers of the frequency-domain sequence, and generating a time-domain sequence ...
Modulation Patent Pack
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Modulation Patent Applications
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inventor
  • 202+ full patent PDF documents of Modulation-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Precision large phase modulation phase measurement system
Raytheon Company
September 14, 2017 - N°20170264472

A phase detection system includes first and second phase mixing circuits in signal communication with a signal phase adjuster module. The first mixing circuit generates a first digital modulated frequency signal based on an input signal and a first reference phase signal. The second mixing circuit generates a second digital modulated frequency signal based on the input signal and a ...
Dynamic precoding of shared reference signals
Telefonaktiebolaget Lm Ericsson (publ)
September 14, 2017 - N°20170264414

A receiver apparatus receives a terminal-specific demodulation reference signal having a rank k and estimates an effective multi-layer channel response, using the received terminal-specific demodulation reference signal. The receiver demodulates first data symbols from first time-frequency resource elements, using the estimate of the effective multi-layer channel response and using a first symbols-to-virtual-antenna mapping matrix m to obtain nc modulation symbols ...
Demodulation reference signal configuration in a multi-input multi-output wireless communication system
Qualcomm Incorporated
September 14, 2017 - N°20170264408

The present methods and apparatus enable transmission of an interlaced reference signal for two ues using a comb structure. In some aspects, the present methods and apparatus may allocate resources and indicate whether a first ue and a second ue are to transmit dm-rs with a comb structure in a single slot based on the allocation. Further, in some aspects, ...
Multicarrier uplink data with single carrier uplink control
Futurewei Technologies, Inc.
September 14, 2017 - N°20170264401

The disclosure relates to technology for communicating data and control information on an uplink channel in a wireless communication system. A frame is constructed to communicate symbols between a base station and user equipment, and zones are configured for an uplink channel in an uplink subframe using a signaling message. A first zone in the uplink channel is configured as ...
Transceiver for communication and method for controlling communication
Cypress Semiconductor Corporation
September 14, 2017 - N°20170264376

An example embodiment provides a transceiver for communication includes a timing determiner that detects a fall from high level to low level of a bus signal generated by pulse width modulation of a clock signal and input from a communication bus; a transmission data signal delay adjuster that determines a second timing having a predetermined time difference from a first ...
Method and transmitter device for creating an optical transmit signal
Adva Optical Networking Se
September 14, 2017 - N°20170264368

A method for creating an optical transmit signal includes creating an electrical discrete multi-tone signal according to digital input data carrying the information to be transmitted, the discrete multi-tone signal having a plurality of electrical partial signals, each electrical partial signal defining a sub-channel. Each electrical partial signal includes a sub-carrier at a predetermined sub-carrier frequency which is modulated according ...
Optical signal to noise ratio detection circuit, apparatus and method
Zte Corporation
September 14, 2017 - N°20170264363

Disclosed are embodiments of an apparatus and method relating to an optical signal to noise ratio detection circuit, adopting an optical switch, a tunable optical filter, a photoelectric conversion module, a pilot-tone modulation signal conditioning module and a control module. After the photoelectric conversion module converts a to-be-detected optical signal to a voltage signal, the pilot-tone modulation signal conditioning module ...
Modulation Patent Pack
Download 202+ patent application PDFs
Modulation Patent Applications
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For professional research & prior art discovery
inventor
  • 202+ full patent PDF documents of Modulation-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Apparatus, system and method of communicating according to a transmit space-frequency diversity scheme
Intel Corporation
September 14, 2017 - N°20170264351

For example, a wireless station may be configured to modulate a plurality of data bit sequences into a plurality of data blocks according to a dual carrier modulation, to map the plurality of data blocks to a plurality of spatial streams according to a space-time diversity scheme, and to transmit a mimo transmission based on the plurality of spatial streams.
Radio receiver with local oscillator modulation
Google Inc.
September 14, 2017 - N°20170264328

An antenna subsystem receives an analog desired signal, noise, and interference via a communication channel. The desired signal includes modulated encoded digital information. A local oscillator (lo) modulation subsystem generates a modulated lo. The lo modulation subsystem generates a modulated lo to maximize the symbol signal-to-noise ratio of the decoded digital information based on a plurality of: the desired signal, ...
Interference signal cancellation over a broad frequency range
Resonant Sciences, Llc
September 14, 2017 - N°20170264327

A signal interference cancellation system includes a signal filter that receives an interference signal and is in communication with a receiver that also receives the interference signal. The signal filter includes (a) a modulation system that modulates the interference signal to generate a modulated signal, (b) a first frequency range within which the modulation system amplifies quadrature components of the ...
Mixing stage, modulator circuit and a current control circuit
Infineon Technologies Ag
September 14, 2017 - N°20170264323

A mixing stage includes a first modulation stage that receives an input signal from a first common node of the mixing stage, a first local oscillator input that receives a local oscillator signal, and a first modulation signal output adapted to provide a first modulated signal. A second modulation stage of the mixing stage includes a second input that receives ...
Method and apparatus for adjusting the timing of radio antenna tuning
Blackberry Limited
September 14, 2017 - N°20170264322

A system that incorporates teachings of the present disclosure may include, for example, determining, by a controller of a mobile communication device, a phase shift criteria and an amplitude shift criteria associated with a modulation being implemented by the mobile communication device. The controller can determine a group of tuning steps that satisfies the phase and amplitude shift criteria and ...
Transmitting apparatus and interleaving method thereof
Samsung Electronics Co., Ltd.
September 14, 2017 - N°20170264315

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 ...
Spread spectrum clock generator circuit
Ricoh Company, Ltd.
September 14, 2017 - N°20170264303

A spread spectrum clock generator circuit includes a phase comparator; an oscillator to output an output clock signal; a phase selector to select one of phases equally dividing one cycle of the output clock signal, and to generate a phase shift clock signal having a rising edge in the selected phase; and a phase shift controller to control the phase ...
Amplifier control apparatus
Ksc Industries, Inc.
September 14, 2017 - N°20170264254

An apparatus for controlling a pulse width modulation (pwm) amplifier is disclosed. In one aspect, the apparatus includes a delay circuit configured to delay an input signal and provide the delayed input signal to the pwm amplifier. The apparatus also includes a controller configured to generate and provide a supply voltage to the pwm amplifier based at least in part ...
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