Patents Examined by Don N. Vo
  • Patent number: 11228418
    Abstract: A example receiver includes analog circuitry configured to equalize and amplify an input signal and provide an analog signal as output; clock data recovery (CDR) circuitry configured to recover data clocks and edge clocks from the analog signal; a plurality of eye height optimization circuits, each of the plurality of eye height optimization circuits configured to, based on a respective data pattern of a plurality of data patterns, sample the analog signal based on the data clocks and the edge clocks, feed back first information to the analog circuitry for adjusting the eye amplitude, and feed back second information to the CDR circuitry for adjusting the data clocks; and an eye width optimization circuit configured to receive data and edge samples from the plurality of eye height optimization circuits, feed back third information to the CDR circuitry to adjust the edge clocks, and feed back fourth information to the analog circuitry to adjust the equalization.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: January 18, 2022
    Assignee: International Business Machines Corporation
    Inventors: Xiao Di Xing, Zhen Peng Zuo, Yang Xiao, Xu Guang Sun
  • Patent number: 11223399
    Abstract: The invention discloses a base station and a modulation method supporting lattice-partition-based downlink non-orthogonal multiple access. The modulation method includes: modulating at least one most significant bit (MSB) of weak user equipment (UE) into a first signal with first transmission power; modulating at least one least significant bit (LSB) of the weak UE into a second signal with second transmission power, where the second transmission power is less than the first transmission power; and modulating at least one second MSB of strong UE into a third signal with third transmission power, where the third transmission power is between the first transmission power and the second transmission power.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: January 11, 2022
    Assignee: National Tsing Hua University
    Inventors: Chin-Liang Wang, Ting-Han Liou
  • Patent number: 11218189
    Abstract: A method and an apparatus providing common path distortion (CPD) detection from a field instrument, particularly when the source of the common path distortion is at a portion of the network beyond the subscriber's tap.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: January 4, 2022
    Assignee: VIAVI SOLUTIONS INC.
    Inventors: Loren R. Eggert, Daniel K. Chappell
  • Patent number: 11218225
    Abstract: The present invention is directed to communication method and techniques. In a specific embodiment, the present invention provides a receiver that interleaves data signal n-ways for n slices. Each of the n slices includes feedforward equalizer and decision feedback equalizers that are coupled to other slices. Each of the n slices also includes an analog-to-digital converter section that includes data and error slicers. There are other embodiments as well.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: January 4, 2022
    Assignee: MARVELL ASIA PTE, LTD.
    Inventor: Basel Alnabulsi
  • Patent number: 11209552
    Abstract: GNSS receiver which includes RF front end, connected to GNSS antenna, an ADC converting the satellite signals into digitized signals, a digital section, including a processor receiving the digitized signals, forming raw measurements with pseudoranges measured between the antenna and satellites, and estimating target parameters, including receiver position and receiver time offset by (i) extrapolating the target parameters from previous epoch to current epoch using a dynamic model; (ii) computing a quasi-measurement for each satellite based on extrapolated target parameters and GNSS satellite positions; (iii) detecting and rejecting raw measurements with anomalous errors by testing differences between the raw measurements and respective quasi-measurements against predefined thresholds; (iv) substituting quasi-measurements for rejected raw measurements; (v) estimating target parameters using unrejected raw measurements and substituted quasi-measurements; (vi) outputting estimated target parameters.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: December 28, 2021
    Assignee: Topcon Positioning Systems, Inc.
    Inventors: Mark Isaakovich Zhodzishsky, Viktor Abramovich Veitsel, Mikhail Arkadievich Mironov, Alexey Vasilievich Bashaev, Amir Salikhovich Bakeev, Vladimir Viktorovich Beloglazov, Sergey Vladislavovich Averin
  • Patent number: 11206082
    Abstract: The disclosure provides for a system that includes a network controller. The network controller is configured to receive information from nodes of a network, where nodes include one node that is in motion relative to another node. The network controller is also configured to generate a table representing available nodes and possible links in the network based on the information, and determine a topology of the network based on the table. Additionally, the network controller is configured to receive client data information from a client device, and determine flows for the topology based on the client data information. Each flow includes one or more requirements for a routing path through the network. The network controller is configured to generate a network configuration for the topology based on the flows, and send instructions to the nodes of the network for implementing the network configuration and transmitting client data.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: December 21, 2021
    Assignee: Google LLC
    Inventor: Brian Barritt
  • Patent number: 11206071
    Abstract: A UE may be configured to communicate using one of analog beamforming or hybrid beamforming. The UE may receive a set of beamformed signals from a base station. The UE may determine a set of angular spread values associated with a set of clusters in a channel between the base station and the UE based on the set of beamformed signals received from the base station. The UE may transmit the set of angular spread values to the base station. The UE may receive, from the base station based on the set of angular spread values, a set of transmission ranks associated with at least one cluster of the set of clusters. The UE may communicate at least one data stream with the base station across the at least one cluster using the set of transmission ranks associated with the at least one cluster of the set of clusters.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: December 21, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Vasanthan Raghavan, Juergen Cezanne, Junyi Li, Dai Lu, Joseph Patrick Burke, Wenjun Li
  • Patent number: 11206044
    Abstract: Disclosed in the present specification is a method for performing channel encoding. The method can comprise the steps of: interleaving information bits; and encoding the interleaved information bits by using a polar code. The information bits can be interleaved according to an interleaving pattern.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: December 21, 2021
    Assignee: LG Electronics Inc.
    Inventors: Seunggye Hwang, Bonghoe Kim, Joonkui Ahn, Kijun Kim
  • Patent number: 11201652
    Abstract: A method for reporting terminal information, a method for acquiring terminal information, a terminal and a base station are provided. The method for reporting terminal information includes: transmitting a setting parameter of an antenna structure of a terminal to a base station, where the setting parameter includes a radio frequency parameter; where the radio frequency parameter includes one or more of: a quantity of panels, frequency information supported by each panel, a quantity of beams supported by each panel, and a quantity of antenna array polarization directions of each panel.
    Type: Grant
    Filed: May 31, 2020
    Date of Patent: December 14, 2021
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventor: Yu Yang
  • Patent number: 11201721
    Abstract: A frame synchronization apparatus (10) according to this invention includes a multiplication unit (11) configured to multiply a received signal by an inverse complex number of a predetermined synchronization pattern with respect to a predetermined signal point on a complex space diagram for each of a plurality of symbols of the received signal, an addition average unit (12) configured to perform addition averaging of outputs from the multiplication unit for the plurality of symbols of the received signal, and a synchronization determination unit (13) configured to perform coincidence determination of whether an output from the addition average unit (12) falls within a predetermined coincidence determination range of the predetermined signal point, and determine a synchronization state of the frame synchronization based on a result of the coincidence determination.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: December 14, 2021
    Assignees: NTT ELECTRONICS CORPORATION, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Mitsuteru Yoshida, Yasuyuki Endoh, Katsuichi Oyama, Masayuki Ikeda, Tsutomu Takeya, Etsushi Yamazaki, Yoshiaki Kisaka, Masahito Tomizawa
  • Patent number: 11190283
    Abstract: The application discloses a polar system and a delay difference calibration method. The polar system includes: a calibration signal generation unit, a CORDIC, a delay difference generation unit, a transmission unit, a receiving unit, a Fourier transformer and a calibration unit. The receiving unit is configured to receive a transmission signal from the transmission unit. The Fourier transformer is configured to compute a power of a receiving signal at a specific frequency. The calibration unit is configured to control the delay difference generation unit and determine a delay difference calibration value in a calibration mode.
    Type: Grant
    Filed: September 26, 2020
    Date of Patent: November 30, 2021
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventor: Tzu Ming Kao
  • Patent number: 11190282
    Abstract: Example systems and methods for antenna pattern characterization are described herein. The systems and methods are based on compressive sensing. An example method can include arranging a test antenna and a probe antenna in a spaced apart relationship; arranging a spatial light modulator within in a near field region of the test antenna; and projecting, using a light source, a plurality of light patterns onto the spatial light modulator. The method can also include transmitting, using the test antenna, a respective beam while each of the light patterns is projected onto the spatial light modulator; and receiving, using the probe antenna, a respective signal corresponding to each of the respective beams transmitted by the test antenna. The method can further include reconstructing the test antenna's near field using the respective signals received by the probe antenna. The test antenna's near field can be reconstructed using a compressive sensing algorithm.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: November 30, 2021
    Assignee: Ohio State Innovation Foundation
    Inventors: Kubilay Sertel, Niru Nahar, Syed An Nazmus Saqueb
  • Patent number: 11189925
    Abstract: An antenna system is provided. In one example, the system includes a modal antenna having a driven element and a parasitic element. The system includes a radio frequency circuit. The system includes a transmission line coupling the radio frequency circuit to the modal antenna. The radio frequency circuit is configured to modulate a control signal onto an RF signal to generate a transmit signal for communication over the transmission line to the tuning circuit. The control signal can include a frame having a plurality of bits associated with the selected mode of the antenna. The radio frequency circuit is configured to encode the plurality of bits associated with the selected mode in accordance with a coding scheme. The coding scheme specifies a unique code for each mode of the plurality of modes. The unique code for each mode of the plurality of modes differs by at least two bits relative to the unique code for each other mode of the plurality of modes.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: November 30, 2021
    Assignee: AVX Antenna, Inc.
    Inventor: Hamid Eslami
  • Patent number: 11190285
    Abstract: Disclosed is a receiver (200) comprising a signal receiving module (201) configured to receive a first test signal and receive a second test signal after a predefined time period following the completion of the reception of the first test signal, and a calculating module (202) configured to calculate a calibration parameter for calibrating a received RF communication signal, based on the received first test signal and the received second test signal. Correspondingly, a transmitter, a signal transceiver, a signal receiving method, and a signal transmitting method are disclosed.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: November 30, 2021
    Inventor: Hong Nie
  • Patent number: 11184992
    Abstract: A server device is provided. The server device includes a substrate, a first server module, a first cable, a second server module and a second cable. The first server module includes a first server board and a first recognition unit, wherein the first recognition unit is connected to the first server board. The first cable is connected to the substrate, wherein the first cable is connected to the first recognition unit, and the first recognition unit generates a first recognition signal. The second server module includes a second server board and a second recognition unit. The second recognition unit is connected to the second server board. The second cable is connected to the substrate. The second cable is connected to the second recognition unit, and the second recognition unit generates a second recognition signal. The server device determines whether the server module is coupled to the correct joint.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: November 23, 2021
    Assignee: WIWYNN CORPORATION
    Inventors: Kuo-Hua Tsai, Wei-Hao Chen, Chih Wei Chang
  • Patent number: 11177852
    Abstract: Techniques are provided for tracking of signals. A methodology implementing the techniques according to an embodiment includes filtering a first segment of an input signal, associated with a first time interval, into a first plurality of frequency bins. The method also includes detecting a signal of interest (SOI) in one of the first plurality of frequency bins. The method further includes filtering a second segment of the input signal, associated with a second time interval, into a second plurality of frequency bins. The method further includes determining movement of the SOI from a first frequency bin, of the first plurality of frequency bins, to a second frequency bin, of the second plurality of frequency bins. The method further includes tracking the SOI based on the movement determination. In some cases, the method further includes creating a composite signal based on the tracking over multiple frequency bins and multiple time intervals.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: November 16, 2021
    Assignee: BAE Systems Information and Electronic Systems Integration Inc.
    Inventor: Michael A. Zalucki
  • Patent number: 11166333
    Abstract: An electronic device according to various embodiments may include: a communication circuit; a display; a memory; and at least one processor operably connected to the communication circuit, the display, and the memory. The at least one processor may be configured to control the electronic device to: identify a first network connection between the electronic device and a first external electronic device using the communication circuit. In response to the identification of the first network connection, the electronic device may identify a second external electronic device. In response to the identification of the second external electronic device, the at least one processor may display a UI for connecting the first external electronic device and the second external electronic device on the display.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: November 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wonchang Lee, Hyoungtak Cho, Jongsung Joo, Dongil Son, Sunkee Lee, Sunmin Hwang
  • Patent number: 11165516
    Abstract: An output power linearization method, suitable for a calibration system, includes the following operations: providing an instruction signal, which corresponding to a currently ideal output power among multiple ideal output powers, to an emission module of the calibration system so that the emission module outputs a radio frequency (RF) signal with a practical output power according to the instruction signal; obtaining a feedback signal, by a feedback circuit of the calibration system, from an output terminal of the emission module, and calculating a feedback output power from the feedback signal; calculating an output difference between the currently ideal output power and the feedback output power; if an absolute value of the output difference is larger than an absolute value of a feedback error of the feedback circuit, adjusting a present gain of the emission module so that the practical output power approaches the currently ideal output power.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: November 2, 2021
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Kuan-Hao Tseng, Ka-Un Chan, Po-Chih Wang
  • Patent number: 11159215
    Abstract: A method for simultaneous design of a hybrid transceiver in an OFDM-based wideband multi-antenna system is provided. The method comprises: designing transmission/reception analog beamforming commonly used for each subcarrier by using product information of subcarrier channel information; and designing baseband beamforming for an effective channel of each subcarrier.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: October 26, 2021
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Hyuncheol Park, Hyunwoo Nam, Girim Kwon
  • Patent number: 11159253
    Abstract: The present disclosure relates to a wireless communication technology, and provides a method for adjusting an antenna parameter, a radio device, and an apparatus with a storage function. The method may include: acquiring a target environmental data set, wherein the target environmental data set includes environmental data of an antenna assembly in a current location; comparing the target environmental data set with an environmental data set corresponding to a preset scene; determining a first preset scene to which an antenna assembly corresponding to the target environment data set belongs, to obtain a preset antenna parameter corresponding to the first preset scene, and setting a parameter of the antenna assembly for a radio signal to the preset antenna parameter, wherein the first preset scene is a preset scene to which the current location of the antenna assembly belongs.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: October 26, 2021
    Assignees: SHENZHEN JAGUAR WAVE TECHNOLOGY LTD., SHENZHEN TINNO WIRELESS TECHNOLOGY CO., LTD., SHENZHEN TINNO MOBILE TECHNOLOGY CO., LTD.
    Inventors: Haibo Li, Wei Shin Tung