Patents Examined by Sam K. Ahn
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Patent number: 10819498Abstract: A method and apparatus for transmitting data from a transmitter device to one or more receiver devices, each of the one or more receiver devices being connected to the transmitter device via a respective wire connection, the transmitter device being operable to transmit signals onto the wire connections over one or more different channels, the method comprising, for each of the one or more different channels: determining a value of a function S˜mj,j, dependent on an upper bound for a channel capacity of the one or more channels and a channel gain of the jth channel; determining a transmission power Smj,j, for transmitting data along that channel based on S˜mj,j; and transmitting, by the transmitter device, data over that channel to one or more of the receiver devices, the data being transmitted at the transmission power Smj,j determined for that channel.Type: GrantFiled: March 28, 2018Date of Patent: October 27, 2020Assignee: BRITISH TELECOMMUNICATIONS public limited companyInventors: Anas Al Rawi, Ian Horsley
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Patent number: 10819414Abstract: A wireless communication device according to some aspects includes an output determiner configured to determine first weighted signals for a plurality of antennas with first beamforming weights, a selector configured to select, from the plurality of antennas, a reference antenna based on signal powers of the first weighted signals, a weight controller configured to determine second beamforming weights for a predetermined number of antennas of the plurality of antennas based on a difference between the first weighted signal of the reference antenna and the first weighted signals of the predetermined number of antennas, the output determiner further configured to determine second weighted signals for the plurality of antennas with the second beamforming weights.Type: GrantFiled: March 26, 2018Date of Patent: October 27, 2020Assignee: Intel CorporationInventors: Yang-Seok Choi, Venkatesan Nallampatti Ekambaram
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Patent number: 10804983Abstract: Embodiments are directed to a user equipment (UE) that performs MIMO communication on a plurality of Component Carriers (CCs) in accordance with a Carrier Aggregation (CA) scheme with each CC having an associated rank number that indicates a respective number of receive chains for the CC, selects at least one of the plurality of CCs for tuning away from the MIMO communication in order to perform an inter-frequency (IF) Positioning Reference Signal (PRS) measurement, selects, from among a plurality of receive chains allocated to the selected at least one CC, a subset of receive chains that includes less than all of the plurality of receive chains to be tuned away from the MIMO communication to perform the inter-frequency PRS measurement, and tunes the selected subset of receive chains of the selected at least one CC away from the MIMO communication to perform the inter-frequency PRS measurement.Type: GrantFiled: September 22, 2017Date of Patent: October 13, 2020Assignee: QUALCOMM IncorporatedInventors: Akash Kumar, Amit Jain, Ankita
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Patent number: 10805117Abstract: Embodiments of the present disclosure include an OFDM receiver circuit, which includes an FFT circuit configured to calculate an FFT of a plurality of sample values received by the receiver circuit, and a smoothing circuit configured to identify equalizer coefficients for the sample values by truncating portions of an impulse response of the FFT.Type: GrantFiled: July 6, 2017Date of Patent: October 13, 2020Assignee: MICROCHIP TECHNOLOGY INCORPORATEDInventors: Hamid Shafiee, Mohsen Pourkhaatoun, Kiran Gowda, Siddharth Shetty, Esmael Heidari, Ali Fard, Rahim Bagheri, Masoud Djafari
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Patent number: 10804864Abstract: A vector distribution method for operation of a power amplifier of a wireless transmitter including receiving, by a first amplifier circuit, a first input vector and a second input vector. The first input vector includes data derived from an input signal of the wireless transmitter and the second input vector includes other data derived from the input signal of the wireless transmitter. The method includes, in response to receiving the input signal, instructing the first amplifier circuit to output an output signal at a high voltage.Type: GrantFiled: March 15, 2019Date of Patent: October 13, 2020Assignee: Board of Trustees of Michigan State UniversityInventors: Sangmin Yoo, Si-Wook Yoo
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Patent number: 10797915Abstract: An apparatus and method are provided for processing a received input signal comprising a sequence of data blocks. Counter circuitry within the apparatus is arranged to receive a digital representation of the input signal, and for each data block generates a count value indicative of occurrences of a property of the digital representation (for example a rising edge or a falling edge) during an associated data block transmission period. Quantization circuitry then maps each count value to a soft decision value from amongst a predetermined set of soft decision values, where the number of soft decision values in the predetermined set exceeds a number of possible data values of the data block. The output circuitry then generates a digital output signal in dependence on the soft decision values.Type: GrantFiled: September 12, 2016Date of Patent: October 6, 2020Assignee: ARM LimitedInventors: Paul Nicholas Whatmough, Shidhartha Das
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Patent number: 10785065Abstract: Aspects of the present disclosure are directed to facilitating communications to respective circuit nodes in a manner that may also be useful for mitigating undesirable signal attenuation. As may be implemented in accordance with one or more embodiments, switchable isolation circuits, presented by at least one transformer and switch, are utilized to isolate adjacent data processing nodes on a bus in which each data processing node includes logic circuitry and processes signal therein. For each of the switchable isolation circuits, switching circuitry operates to mitigate communication propagation over the differential bus between adjacent data processing nodes, by switching the switchable isolation circuit for providing isolation. This approach may be utilized, for example, to assign sequential identification to daisy-chained circuit nodes upon start-up or reset, for use in addressing each node directly for further communication therewith.Type: GrantFiled: March 12, 2018Date of Patent: September 22, 2020Assignee: NXP B.V.Inventor: Denis Sergeevich Shuvalov
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Patent number: 10784909Abstract: A receiver and a program capable of, when they have received a pulse noise together with a reception signal, improving quality of the reception signal are provided. A receiver according to the present disclosure includes a received-signal amplification circuit configured to amplify a monitoring received signal branched from a received signal, a gain control circuit configured to set a gain setting value for an AGC operation in the received-signal amplification circuit, the AGC operation being an operation for making an amplitude of an amplified monitoring received signal fall within a predetermined range, a pulse detection circuit configured to monitor a change in the gain setting value and detect whether or not a pulse noise is contained in the received signal based on whether or not the change in the gain setting value meets a predetermined condition.Type: GrantFiled: March 15, 2019Date of Patent: September 22, 2020Assignee: JVCKENWOOD CorporationInventor: Yasunori Naiki
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Patent number: 10749621Abstract: A radio communication repeater for operating in a Time Division Multiple Access radio communication system with a plurality of time slots to transmit packets. The repeater includes a transmitter to transmit a plurality of the packets in a transmit time slot assigned to that repeater and a receiver to receive a plurality of the packets from all other time slots of the TDMA radio communication system other than the transmit time slot assigned to that repeater. The repeater also includes a controller to process the received packets from all other time slots of the TDMA radio communication system other than the transmit time slot assigned to that repeater and, if the received packets have different recipient identifiers, to forward the received packets for transmission by the transmitter in the transmit time slot assigned to that repeater as a frame comprising a plurality of packets having different recipient identifiers.Type: GrantFiled: July 13, 2017Date of Patent: August 18, 2020Assignee: PROFIL MET SP. J. JASINSKI, LEITERInventors: Lukasz Ochman, Aleksandra Kowalik, Joanna Plachetka
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Patent number: 10728080Abstract: Methods, systems, and devices for wireless communication are described. A transmitter, such as a user equipment and/or a base station, may perform polar coding to encode bits. The polar coding may be associated with a plurality of component channels associated with a polar code length. The transmitter may interleave the encoded bits. The transmitter may map the interleaved encoded bits to a modulation symbol. The interleaving and mapping of each encoded bit may be based on an asymmetry of a polar code construction. The transmitter may transmit the interleaved encoded bits based on the mapping.Type: GrantFiled: February 9, 2017Date of Patent: July 28, 2020Assignee: QUALCOMM IncorporatedInventors: Hari Sankar, Jing Jiang, Alexei Yurievitch Gorokhov, Joseph Binamira Soriaga, Brian Banister
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Patent number: 10693667Abstract: Aspects of the subject disclosure may include, a system for obtaining energy from at least one twisted pair wires of a cable, and transmitting communication signals via a plurality of twisted pair wires not associated with the at least one twisted pair wires supplying the energy to the processing system, wherein the plurality of twisted pair wires is electrically shorted resulting in a combined wire, wherein the communication signals are directed to a second device via the combined wire, wherein propagation of the communication signals along the combined wire is enabled by utilizing an electrical return path provided by a metallic shield of the cable, and wherein a message wire of the cable supports placement of the first device on the cable. Other embodiments are disclosed.Type: GrantFiled: October 12, 2018Date of Patent: June 23, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Farhad Barzegar, Paul Shala Henry, Irwin Gerszberg
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Patent number: 10673585Abstract: 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 demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a damapper to demap the time deinterleaved data and a decoder to decode the demapped service data.Type: GrantFiled: December 27, 2018Date of Patent: June 2, 2020Assignee: LG ELECTRONICS INC.Inventors: Jongseob Baek, Woosuk Ko, Sungryong Hong
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Patent number: 10666320Abstract: A ringing suppression circuit is provided at one or more nodes each having a communication circuit executing communication with another node by transmitting a differential signal through a pair of communication lines connected to the nodes. The circuit includes a suppression circuit and an operation mode controller: The suppression circuit is configured to execute a suppression operation for suppressing ringing in the differential signal. The operation mode controller is configured to set an operation mode of the suppression circuit to one of: a normal operation mode, which enables the suppression circuit to execute the suppression operation in response to detecting a change in a level of the differential signal, and a permanent off mode, which disables the suppression circuit to execute the suppression operation on a steady basis.Type: GrantFiled: November 27, 2018Date of Patent: May 26, 2020Assignee: DENSO CORPORATIONInventors: Takuya Honda, Hirofumi Isomura, Tomohisa Kishigami
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Patent number: 10666415Abstract: Techniques for determining the quality of a clock signal are provided. In one example, a method can comprise comparing, by a sensory circuitry of a system, a first output of a first sensor and a second output of a second sensor. The first output and the second output can be based on a parameter of a clock signal. Further, in some embodiments, the first sensor and the second sensor can be local clock buffers. The method can also comprise determining, by a controller of the system, a quality of the clock signal based on the comparing of the first output and the second output.Type: GrantFiled: January 6, 2017Date of Patent: May 26, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Phillip John Restle, Christos Vezyrtzis, James Douglas Warnock
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Patent number: 10651908Abstract: For example, an apparatus may include logic and circuitry configured to cause a first wireless station to perform a Transmit Sector Sweep (TXSS) protocol with a second wireless station over a directional frequency band using a plurality of antennas of the first wireless station, an antenna of the plurality of antennas of the first wireless station comprising a plurality of sectors; to perform a Receive Sector Sweep (RXSS) protocol with the second wireless station over the directional frequency band using the plurality of antennas of the first wireless station; and, based on the TXSS and RXSS protocols, to configure the plurality of antennas of the first wireless station to communicate a Single-User (SU) Multiple-Input-Multiple-Output (MIMO) transmission with the second wireless station.Type: GrantFiled: March 30, 2016Date of Patent: May 12, 2020Assignee: INTEL CORPORATIONInventors: Alexander Maltsev, Artyom Lomayev, Carlos Cordeiro, Assaf Kasher
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Patent number: 10652006Abstract: Techniques for determining the quality of a clock signal are provided. In one example, a method can comprise comparing, by a sensory circuitry of a system, a first output of a first sensor and a second output of a second sensor. The first output and the second output can be based on a parameter of a clock signal. Further, in some embodiments, the first sensor and the second sensor can be local clock buffers. The method can also comprise determining, by a controller of the system, a quality of the clock signal based on the comparing of the first output and the second output.Type: GrantFiled: December 14, 2017Date of Patent: May 12, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Phillip John Restle, Christos Vezyrtzis, James Douglas Warnock
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Patent number: 10630370Abstract: A transmitter includes: a first transmission block that generates a first radio wave having an information signal modulated thereon and having a plane of polarization that rotates; and a second transmission block that generates a second radio wave having the information signal modulated thereon and having a plane of polarization that is fixed. A receiver includes: a first receive section that demodulates a first radio wave having an information signal modulated thereon and having a plane of polarization that rotates; and a second receive section that demodulates a second radio wave having the information signal modulated thereon and having a plane of polarization that is fixed. The receiver restores the information signal on the basis of the result of reception by the first receive section and the second receive section.Type: GrantFiled: May 9, 2017Date of Patent: April 21, 2020Assignee: HITACHI, LTD.Inventor: Ken Takei
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Patent number: 10581535Abstract: A device and a method for reducing an influence of interference between signals using an aperture array in chip-to-chip wireless communication are provided. The device includes a transmitter including at least one transmission antenna for transmitting a signal, a receiver including at least one reception antenna for receiving the signal, a guide structure including at least one opening for guiding a path of the signal, and the at least one transmission antenna, the at least one reception antenna, and the at least one opening are arranged to correspond to one another.Type: GrantFiled: December 27, 2016Date of Patent: March 3, 2020Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business FoundationInventors: Jae-Sung Rieh, Daekeun Yoon, Jungsoo Kim
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Patent number: 10560301Abstract: Disclosed are apparatuses for communication devices. An apparatus for a communication device includes control circuitry configured to determine a discrete Fourier transform (DFT) of a constant amplitude zero autocorrelation waveform (CAZAC) sequence appended with zeros in the time domain to generate a frequency domain interpolated CAZAC sequence. The control circuitry is also configured to determine an inverse discrete Fourier transform (IDFT) of the frequency domain interpolated CAZAC sequence to generate a demodulation reference signal (DMRS), and cause the DMRS to be transmitted through a cellular data network. An apparatus for a communication device includes control circuitry configured to perform a Fourier transform on a received DMRS to obtain a resulting signal, and use the resulting signal as a reference to demodulate orthogonal frequency-division multiplexing (OFDM) symbols.Type: GrantFiled: March 23, 2016Date of Patent: February 11, 2020Inventors: Sameer Pawar, Huaning Niu, Utsaw Kumar
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Patent number: 10560251Abstract: A network device may comprise one or more circuits including a clock signal generator, an ADC, and a processor. The ADC may digitize a received signal across a range of frequencies that encompasses a first band of frequencies used for a first network and a second band of frequencies used for a second network. A sampling frequency of the ADC may be determined by a frequency of a clock signal output by the clock signal generator. The processor may determine whether the first network is active and whether the second network is active. The processor may configure the clock generator such that, when both of the first network and the second network are active, the clock signal is set to a first frequency, and when the first network is active and the second network is inactive, the clock signal is set to a second frequency.Type: GrantFiled: August 28, 2013Date of Patent: February 11, 2020Assignee: Maxlinear, Inc.Inventors: Curtis Ling, Timothy Gallagher, Sridhar Ramesh