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Modulation

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


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Distortion cancel device and distortion cancel method
Fujitsu Limited
July 20, 2017 - N°20170208598

A distortion cancel device includes: a first acquiring unit that acquires a plurality of transmission signals including at least two transmission signals that are wirelessly transmitted at an identical frequency; a second acquiring unit that acquires a reception signal to which an intermodulation signal generated due to the transmission signals is attached; and a processor that executes a process including: ...
Mode indication for wireless devices
Qualcomm Incorporated
July 20, 2017 - N°20170208595

Certain aspects of the present disclosure relate to methods and apparatus for wireless communication. More particularly, aspects of the present disclosure generally relate to techniques for providing an indication of an operating mode involving an enhanced modulation scheme.
Communication device and method for allocating resource blocks to a terminal
Panasonic Corporation
July 20, 2017 - N°20170208594

In a wireless communication base station device, a modulation unit carries out modulation processing for dch data after coding to generate a dch data symbol. A modulation unit carries out modulation processing for lch data after coding to generate an lch data symbol. An allocation unit allocates the dch data symbol and lch data symbol to each sub-carrier composing an ...
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Modulation Patent Applications
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  • 202+ full patent PDF documents of Modulation-related inventions.
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Display apparatus, and control method for display apparatus
Seiko Epson Corporation
July 20, 2017 - N°20170208299

A projector includes a light source portion and a light modulation device which modulates light from the light source portion. The projector includes an entire control processor which controls an operation of the projector by executing an os, and a video-output system processor which is operated in parallel to the entire control processor and controls a light source of the ...
Use of ambience light for copy protection of video content displayed on a screen
Philips Lighting Holding B.v.
July 20, 2017 - N°20170208215

The invention provides a method for impeding making a useful copy with an optical recording device of video content displayed on a screen, wherein the method comprises displaying the video content on the screen, illuminating with ambience light of an ambience light source the screen, the ambience light comprises light having a wavelength in the visible part of the spectrum, ...
4-level pulse amplitude modulation transmitter architectures utilizing quadrature clock phases
International Business Machines Corporation
July 20, 2017 - N°20170207946

A four-level pulse amplitude modulation transmitter and corresponding method are provided. The transmitter includes a most significant bit processing section and a least significant bit processing section. The transmitter further includes at least one termination resistor connected to respective outputs of the processing sections to provide a transmitter output. Each of the processing sections include a set of retiming latches ...
Modulation Patent Pack
Download 202+ patent application PDFs
Modulation Patent Applications
Download 202+ Modulation-related PDFs
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 and method for sending and receiving broadcast signals
Lg Electronics Inc.
July 20, 2017 - N°20170207942

Disclosed is an apparatus for transmitting a broadcast signal, including: an input formatting module configured to demultiplex an input stream into at least one data pipe (dp); a bicm (bit interleaved coding and modulation) module configured to perform error correction processing on data of the dp; a frame building module configured to map the data of the dp to symbols ...
Method and device for estimating channel in wireless communication system
Lg Electronics Inc.
July 20, 2017 - N°20170207932

A method by which a terminal estimates a channel in a wireless access system can comprises the steps of: receiving mapping information on a port and a layer of a data demodulation reference signal (dmrs); receiving change information on whether the port of the dmrs has been changed; and determining a change in port information on the basis of an ...
Method and device for receiving physical multicast channel in wireless access system supporting 256qam
Lg Electronics Inc.
July 20, 2017 - N°20170207925

The present invention relates to a wireless access system supporting 256-ary quadrature amplitude modulation (256qam), and more particularly, to methods and apparatuses for transmitting and receiving a physical multicast channel (pmch) to provide multimedia broadcast and multicast service (mbms). According to an embodiment of the present invention, a method for receiving a physical multicast channel (pmch) by a user equipment (...
Two point polar modulator
Frontier Microsystems Limited
July 20, 2017 - N°20170207906

A two-point phase modulator comprising a phase locked loop, pll, having a voltage controlled oscillator, vco, and a feedback path, a first modulation circuit for introducing a first modulation signal into the feedback path, the first modulation circuit generating the first modulation signal using a reference clock signal extracted from the pll and derived from a first clock, a second ...
Full duplex transmission method for high speed backplane system
Futurewei Technologies, Inc.
July 20, 2017 - N°20170207901

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. A first receiver is configured to receive first data at a data rate on a first channel supported by both the first bidirectional link and the ...
Mobile station and reception method
Sun Patent Trust
July 20, 2017 - N°20170207892

Provided is a radio communication device which can separate propagation paths of antenna ports and improve a channel estimation accuracy even when using virtual antennas. The device includes: a mapping unit which maps a data signal after modulation to a virtual antenna and a virtual antenna; a phase inversion unit which inverts the phase of s0 transmitted from an antenna ...
Delay measuring instrument, communication device, and delay measurement method
Fujitsu Limited, Kawasaki-shi, Japan;
July 20, 2017 - N°20170207886

A delay measuring instrument includes a generating unit and a calculating unit. The generating unit is, for example, a multiplier. The calculating unit is, for example, a maximum value detecting unit. The generating unit generates an intermediate signal by multiplying one of transmission signals or the complex conjugate of the one of the transmission signals included in the plurality of ...
Modulation Patent Pack
Download 202+ patent application PDFs
Modulation Patent Applications
Download 202+ Modulation-related PDFs
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 and method for controlling interference
Samsung Electronics Co., Ltd
July 20, 2017 - N°20170207863

The present disclosure relates to a pre-5th-generation (5g) or 5g communication system to be provided for supporting higher data rates beyond 4th-generation (4g) communication system such as long term evolution (lte). An apparatus includes at least one transceiver, and at least one processor, coupled to the at least one transceiver, configured to determine at least one terminal having a ...
Distortion cancellation device and distortion cancellation method
Fujitsu Limited
July 20, 2017 - N°20170207862

A distortion cancellation device includes a first acquiring unit that acquires a plurality of transmission signals that are wirelessly transmitted at different frequencies; a second acquiring unit that acquires a reception signal to which an intermodulation signal generated due to the plurality of the transmission signals is added; and a processor that executes a process including acquiring a gain difference ...
Systems and methods for optical modulation index calibration in a catv network
Arris Enterprises Llc
July 20, 2017 - N°20170207852

Systems and methods for optical modulation index calibration in a catv network.
Coherent receiver based virtual optical spectrum analyzer
Ciena Corporation
July 20, 2017 - N°20170207849

A coherent receiver adapted to operate as an optical spectrum analyzer (osa) includes an optical front end adapted to receive an optical signal and to mix the optical signal with a local laser; a photodetector block coupled to the optical front end and adapted to receive an output of the optical front end and provide an output corresponding to spectral ...
Systems for antenna swapping switching and methods of operation thereof
Rf Micro Devices, Inc.
July 20, 2017 - N°20170207846

The present disclosure relates to antenna swapping for a wireless, e. G., cellular, radio system. In particular, embodiments of a single-die antenna swapping switching circuit are disclosed. In some embodiments, the single-die antenna swapping switching circuit enables antenna swapping in a wireless device using only two coaxial cables or transmission line connections regardless of an order of an antenna multiplexer ...
Apparatus, system and method of communicating according to a transmit space-frequency diversity scheme
Intel Corporation
July 20, 2017 - N°20170207838

For example, a wireless station may be configured to modulate a plurality of data bit sequences into a plurality of data blocks in a frequency domain according to a dual carrier modulation, a data bit sequence of the plurality of data bit sequences to be modulated into first and second consecutive symbols in a data block of the plurality of ...
Rate-adaptive multiple input/multiple output (mimo) systems
Sony Corporation
July 20, 2017 - N°20170207832

A rate-adaptive method of communicating over a multipath wireless communication system uses multiple links such that each end of a link uses multiple transmit and receive antennas. A number of independent streams that are to be transmitted for each link is determined based on an overall system performance measure. In addition, the system may also jointly determine the best modulation, ...
Modulation and equalization in an orthonormal time-frequency shifting communications system
Cohere Technologies, Inc.
July 20, 2017 - N°20170207817

A method which includes receiving a first modulated signal from a first user device, the first modulated signal being generated based upon a time-frequency transformation of first user data. The method further includes receiving a second modulated signal from a second user device, the second modulated signal being generated based upon a time-frequency transformation of second user data. The first ...
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