Patents Examined by Young T. Tse
  • Patent number: 10735227
    Abstract: A receiver includes signal lanes to receive associated data bit streams, and a control module. The signal lanes each include configurable equalization modules to provide a selectable compensation value to the associated data bit stream. The control module performs back channel adaptations on each data bit stream to achieve a target bit error rate for the associated signal lane, determines a most common set of compensation values from the performance of the back channel adaptations, determines whether the compensation value is within a predetermined boundary for that selectable compensation value, and provides an alert when a first compensation value of the most common set of compensation values is not within the predetermined boundary for the first compensation value.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: August 4, 2020
    Assignee: Dell Products, L.P.
    Inventors: Robert G. Bassman, Stuart Allen Berke, Bhyrav M. Mutnury
  • Patent number: 10735113
    Abstract: A near-field measurement system includes a measurement probe 11 that receives a radio signal that is transmitted from an antenna under measurement 110 at a plurality of measurement positions included in a predetermined scan range, a frequency converter 13 that frequency-converts a frequency of the radio signal to a desired frequency, a timing processing unit 18 that generates a timing signal for starting measurement of an amplitude and a phase of the radio signal from a trigger signal output from a transmission device 100 in synchronization with transmission of the radio signal, and an amplitude and phase calculation unit 19 that acquires a radio signal frequency-converted by a frequency converter 13 and digitized by an A/D converter 14a on the basis of a timing signal for each measurement position and calculates an amplitude and a phase in a near field of the acquired radio signal.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: August 4, 2020
    Inventors: Hanako Noda, Masaaki Fuse
  • Patent number: 10735065
    Abstract: A transmission apparatus that (i) generates a Quadrature Phase Shift Keying (QPSK) modulation signal s1(t) by applying a QPSK modulation scheme to a first data sequence, (ii) generates a 16-Quadrature Amplitude Modulation (QAM) modulation signal s2(t) by applying a 16-QAM modulation scheme to a second data sequence, (iii) generates a transmission signal z1(t) and a second transmission signal z2(t) by applying a phase hopping process, a precoding process, and a power adjust process to the QPSK modulation signal s1(t) and the 16-QAM modulation signal s2(t), wherein an average transmission power of the 16-QAM modulation signal s2(t) being the same as an average transmission power of the QPSK modulation signal s1(t), and (iv) transmits the transmission signal z1(t) from a first antenna at a first time and a first frequency and the second transmission signal z2(t) from a second antenna at the first time and the first frequency.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: August 4, 2020
    Assignee: SUN PATENT TRUST
    Inventors: Yutaka Murakami, Tomohiro Kimura, Mikihiro Ouchi
  • Patent number: 10720969
    Abstract: A radio that has an advanced antenna system for providing a significant diversity benefit over the prior art. The advanced antenna system includes a first directional array and a second directional array that each include antenna sub-arrays. A sub-array in each of the directional arrays is offset to another sub-array.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: July 21, 2020
    Inventors: David Andrew G. Lea, Kevin J. Negus
  • Patent number: 10721099
    Abstract: There is provided a radio communication system provided with a first base station, a second base station that communicates with the first base station, and user equipment that communicates with the first base station, the radio communication system including a determiner that determines, based on a predetermined reference value, sharing between signal processing that is to be performed by the first base station and signal processing that is to be performed by the second base station; a first signal processor for the first base station to perform the signal processing in accordance with the sharing determined by the determiner; and a second signal processor for the second base station to perform the signal processing in accordance with the sharing determined by the determiner.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: July 21, 2020
    Assignee: NTT DOCOMO, INC.
    Inventors: Takahiro Kubo, Takahiro Asai
  • Patent number: 10720971
    Abstract: Devices and systems useful in concurrently receiving and transmitting Wi-Fi signals and Bluetooth signals in the same frequency band are provided. By way of example, an electronic device includes a transceiver configured to transmit data and to receive data over channels of a first wireless network and a second wireless network concurrently. The transceiver includes a plurality of filters configured to allow the transceiver to transmit the data and to receive the data in the same frequency band by reducing interference between signals of the first wireless network and the second wireless network.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: July 21, 2020
    Assignee: APPLE INC.
    Inventors: Hsin-Yuo Liu, Peter M. Agboh, Mohit Narang, Indranil S. Sen, Nicholas M. McDonnell, Chia Yiaw Chong
  • Patent number: 10715210
    Abstract: There is a need for a mechanism that increases the UE's chance of properly receiving the NPSS and/or NSSS when frequency hopping is used for narrowband communications in the unlicensed frequency spectrum. The present disclosure provides a solution by transmitting the NPSS and NSSS using a synchronization signal repetition pattern in order to increase the detection probability for the DRS, so that synchronization and/or cell acquisition may be achieved with a reduced number of visits to the anchor channel, thereby reducing synchronization delay and increasing the QoS.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: July 14, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Chih-Hao Liu, Srinivas Yerramalli, Tamer Kadous
  • Patent number: 10700797
    Abstract: Aspects of the disclosure are directed to providing signals utilizing two or more sources. As may be implemented in accordance with one or more embodiments, a method and/or apparatus involves processing respective signals carrying broadcast data provided by different receiver circuits that respectively receive the same broadcast data. The signals received from the respective receiver circuits are equalized, and corresponding sets of the broadcast data from each of the equalized signals are selectively combined to provide a combined signal carrying the broadcast data. This approach may be used, for example, to generate broadcast data utilizing source data from two or more receivers, such as may be received on different signal mediums (e.g., over-the-air digital radio and Wi-Fi digital radio), and therein providing enhanced reception.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: June 30, 2020
    Assignee: NXP B.V.
    Inventor: Naveen Jacob
  • Patent number: 10700846
    Abstract: A system for data and clock recovery includes a timing error detector, a phase detector, and a phase increment injector. The phase increment injector may be used to determine an increment to affect an output of the phase detector or a clocking element. A sign of the increment is determined from a sign or direction of an accumulated version of a clock and data recovery gradient value.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: June 30, 2020
    Assignee: NVIDIA Corp.
    Inventors: Pervez Mirza Aziz, Vishnu Balan, Viswanath Annampedu
  • Patent number: 10686492
    Abstract: Multiple ports of a vectored digital subscriber line (DSL) system can be automatically reconfigured to respond to a fault or defect associated with another one of the ports of the system. Information regarding retrain events for the ports of the system can be examined to identify the “bad” port with the associated fault or defect and the corresponding group of ports affected by the bad port. The affected group of ports can be identified as a group of ports that all were retrained within a predetermined time period and for common retrain reasons (e.g., 1 or 2 different retrain reasons). Once the affected group of ports is identified, the affected group of ports and the bad port can receive corresponding repair profiles to reconfigure the ports to respond to the fault or defect.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: June 16, 2020
    Assignee: ADTRAN, Inc.
    Inventors: Arlynn Wayne Wilson, Robert A. Barrett, Nicholl Jamila Jones
  • Patent number: 10686491
    Abstract: A method of estimating a noise present on a 2-wire line connected to a modem using a plurality of frequency bands is implemented by a noise estimation device connected to the 2-wire line. The method comprises obtaining a first voltage value of a differential mode voltage at the two wires of the secondary side of the differential mode circuit, the first voltage value measured on the plurality of frequency bands and a second voltage value of a common mode image voltage corresponding to a voltage at the two wires of the secondary side of the common mode circuit, resulting from said differential mode voltage, the second voltage value being measured on the plurality of frequency bands and transmitting the first voltage value and the second voltage value to a calculating module configured to provide a noise estimate based on the first and second voltage values.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: June 16, 2020
    Assignee: Orange
    Inventors: Rabah Tarafi, Fabienne Moulin, Alain Cario
  • Patent number: 10684988
    Abstract: A radio frequency dataset generation system comprising a software-defined radio, a set of radio frequency collection parameters, a first digital file, a second digital file, and a dataset. The software-defined radio comprises, an analog signal reception device, an analog-to-digital converter, and a digital signal processing system. The set of radio frequency collection parameters are associated with the software-defined radio and correspond to a plurality of analog signal protocols. The first digital file comprises raw signal information corresponding to at least one analog signal received by the analog signal reception device. The second digital file comprises metadata information corresponding to the at least one analog signal received by the analog signal reception device. The dataset comprises the raw signal information time-associated with at least a portion of the metadata information.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: June 16, 2020
    Assignee: KickView Corporation
    Inventors: Robert L. North, Krishna Karra, Aaron Jones, David R. Ohm
  • Patent number: 10673655
    Abstract: In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: June 2, 2020
    Assignee: Sony Corporation
    Inventors: Shinichi Kuroda, Hiroaki Takano
  • Patent number: 10673509
    Abstract: The present invention relates to the signaling of channel quality information in a multi-beam transmission system, wherein a plurality of beams are simultaneously transmitted and a plurality of sets of channel quality information are transmitted for controlling independently the transmission rate on the different beams. Determined are beams with a different quality resulting in different effects of errors in the transmissions of the channel quality information for the beams. Said different effects are exploited for reducing a signaling overhead of the channel quality information for the beams.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: June 2, 2020
    Assignee: Koninklijke Philips N.V.
    Inventors: Matthew Peter John Baker, Timothy James Moulsley
  • Patent number: 10673660
    Abstract: The present invention relates to a continuous time linear equalizer comprising a first signal path comprising a high pass filter and a first controllable transconductance unit and a second signal path comprising a second controllable transconductance unit. The continuous time linear equalizer comprises a summation node configured to receive complementary current summation signals of the first transconductance unit and the second transconductance unit. The high pass filter comprises a first port configured to receive an input signal, a second port coupled to a control port of the first transconductance unit and a third port coupled to the summation node. The invention is notably also directed to a corresponding method and a corresponding design structure.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: June 2, 2020
    Assignee: International Business Machines Corporation
    Inventors: Pier Andrea Francese, Ilter Oezkaya, Alessandro Cevrero
  • Patent number: 10652050
    Abstract: A PoDL system conducts differential data and DC power over the same wire pair, and various DC coupling techniques are described that improve DC voltage coupling while attenuating AC common mode noise. Pairs of differential mode chokes (DMCs) are used to share current supplied by a power supply. In one embodiment, one DMC is coupled to the line side of a common mode choke (CMC), and one DMC is coupled to the PHY side of the CMC. The line-side DMC has windings that are loosely magnetically coupled so that DMC does not present a very low impedance to AC common mode noise on the wires. Therefore, the performance of the wires' RC termination circuitry is not adversely affected by the line-side DMC when minimizing reflections of common mode signals. The DMCs may use the same magnetic core, and the CMC may be series CMCs that used the same magnetic core.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: May 12, 2020
    Assignee: Linear Technology Holding LLC
    Inventor: Gitesh Bhagwat
  • Patent number: 10644658
    Abstract: The present disclosure relates to an apparatus and a method for transmitting a signal using a power amplifier in a wireless communication system in which a transceiver comprises a digital pre-distorter configured to distort an input signal based on a distortion control value, a power amplifier configured to amplify an output signal from the digital pre-distorter, an antenna configured to transmit an output signal from the power amplifier, an echo signal canceller configured to remove an echo signal which returns to the power amplifier due to a return loss of a path between the power amplifier and the antenna, from a feedback signal obtained at an output stage of the power amplifier, and a digital pre-distortion adaptation unit configured to determine the distortion control value based on an output signal from the echo signal canceller.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: May 5, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Munwoo Lee, Youngyoon Woo, Martynovich Pavel, Jaebum Kim, Donggeun Lee, Sungchul Hong
  • Patent number: 10637692
    Abstract: A device includes a decoder configured to receive an input signal. The decoder is configured to also output a control signal based on the input signal. The device further includes an equalizer configured to receive a distorted bit as part of a data stream, receive the control signal, select a distortion correction factor based upon the control signal, apply the distortion correction factor to the distorted bit to offset inter-symbol interference from the data stream on the distorted input data to generate a modified value of the distorted bit, and generate a corrected bit based on the modified value of the distorted bit.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: April 28, 2020
    Assignee: Micron Technology, Inc.
    Inventors: Jennifer E. Taylor, Raghukiran Sreeramaneni
  • Patent number: 10637711
    Abstract: Transmitting apparatus and receiving apparatus for communication systems using coded orthogonal frequency-division multiplexed (COFDM) dual-subcarrier modulation (DCM) signals. The same coded data is mapped both to COFDM subcarriers located in the lower-frequency half spectrum of the DCM signal and to COFDM subcarriers located in its upper-frequency half spectrum. The mapping of COFDM subcarriers in those half spectra employ labeling diversity preferred for reception of DCM with less error when accompanied by interfering additive white Gaussian noise (AWGN). In preferred forms of COFDM DCM signal, the quadrature amplitude modulation (QAM) of COFDM subcarriers is Gray mapped to position palindromic lattice-point labels along one of the diagonals of each square QAM constellation.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: April 28, 2020
    Inventor: Allen LeRoy Limberg
  • Patent number: 10637415
    Abstract: A linearity improving system and a linearity improving method are provided. The linearity improving system includes a coupler, a downconverter and a transformer. The coupler is configured to couple a part of an input RF signal. The downconverter coupled to the coupler converts the input RF signal to a fundamental frequency and outputs a modulation signal. The transformer coupled to the downconverter adjusts a phase and a power of the modulation signal. After the input RF signal and the modulation signal being adjusted are inputted to an amplifier, the amplifier outputs an output RF signal.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: April 28, 2020
    Inventors: Yu-Cheng Liu, Chih-Chun Shen