Patents Examined by Siu M. Lee
  • Patent number: 11349529
    Abstract: A method for receiving, by a base station, channel state information (CSI) in a wireless communication system. The method includes receiving, from a user equipment (UE), UE capability information related to at least one of channel state information-reference signal (CSI-RS) resources or CSI-RS ports; transmitting, to the UE, CSI-RS configuration information that includes information based on the UE capability information; transmitting, to the UE, a CSI-RS using at least one CSI-RS port based on the CSI-RS configuration information; and receiving, from the UE, the CSI, wherein the CSI is based on a measurement, for the CSI-RS, performed by the UE. Further, the UE capability information includes information for i) a maximum number of the CSI-RS resources and ii) a maximum number of the CSI-RS ports related to number of the CSI-RS resources configured based on the maximum number of the CSI-RS resources.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: May 31, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Jonghyun Park, Byounghoon Kim, Youngwoo Yun, Kijun Kim, Haewook Park
  • Patent number: 11343130
    Abstract: A broadcast signal receiver includes a tuner for tuning a broadcast signal, a reference signal detector for detecting pilots from the tuned broadcast signal, a de-framer for de-framing a signal frame of the broadcast signal and deriving service data based on a number of carriers of the signal frame, and a decoder for performing error correction process on the derived service data.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: May 24, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaehyung Kim, Chulkyu Mun, Woosuk Ko, Jongseob Baek, Sungryong Hong
  • Patent number: 11337227
    Abstract: Techniques for distributed network connectivity monitoring of provider network edge location resources from cellular networks are described. A central service transmits test suites of commands to agents executed by test devices, which can execute the commands to test network characteristics between the test devices and target locations via one or multiple cellular communications networks. Results of the testing are sent back to the central service for processing, and the resultant metrics can be used for intelligent latency-based routing of clients, latency-based placement of resources, and/or performance monitoring of deployed resources.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: May 17, 2022
    Assignee: Amazon Technologies, Inc.
    Inventors: Devlin Roarke Dunsmore, Diwakar Gupta, Dougal Stuart Ballantyne, Sairam Sasank Chundi, Pragya Agarwal, Mark Walters, Aditya Chayapathy
  • Patent number: 11330603
    Abstract: Aspects of the present disclosure provide apparatus, methods, processing systems, and computer readable mediums to enhance the functionality of directional repeaters (wireless nodes that relay directional wireless signals). For example, by adding even limited capability to buffer digital samples, repeater functionality may be enhanced to provide better coverage and make more efficient use of time, frequency, and spatial resources.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: May 10, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Navid Abedini, Junyi Li, Ashwin Sampath
  • Patent number: 11316578
    Abstract: In some examples, a first wireless device includes a network interface capable of communicating using 16 spatial streams; and at least one processor configured to allocate at least one spatial stream of the 16 spatial streams to a plurality of wireless devices, such that no wireless device of the plurality of wireless devices is allocated more than 4 spatial streams, and send a control information element indicating the allocation of the at least one spatial stream to the plurality of wireless devices.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: April 26, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jung Hoon Suh, Osama Aboul-Magd, Kwok Shum Au
  • Patent number: 11317389
    Abstract: A data transmission method, comprising: a terminal device at a transmit end sends information about a transmission reliability requirement of to-be-transmitted data to a radio access network device through a wireless communications interface; and the terminal device at the transmit end obtains a transmission resource that is configured by the radio access network device and that is required for sending the to-be-transmitted data on the wireless direct communications interface, and sends the data to the terminal device at the receive end by using the transmission resource.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: April 26, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jing Liu, Yibin Zhuo, Jun Wang, Mingzeng Dai
  • Patent number: 11310771
    Abstract: In order to properly notify of resources in which a synchronization signal block is transmitted in the future radio communication system, a user terminal has a receiving section that receives pattern information indicating whether or not a synchronization signal block is transmitted in each of a plurality of transmission candidate positions within a group of transmission candidate positions of the synchronization signal block, and group information indicating a method of applying the pattern information to each of a plurality of groups, and a control section that controls, based on the group information, one of assuming that the synchronization signal block is transmitted in all transmission candidate positions within a particular group, and of determining the plurality of transmission candidate positions within the particular group according to the pattern information.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: April 19, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Tomoya Ohara
  • Patent number: 11310767
    Abstract: This application provides a paging message transmission method and relates to the field of communications technologies, to resolve a problem of waste of a downlink time-frequency resource. The method includes: determining, by a network device, that a communications device is in a beam update mode; then determining, by the network device, a second beam based on beam information reported by the communications device, where the beam information includes information about at least one receive beam, and the information about the at least one receive beam includes information about the second beam; and finally sending, by the network device, a paging message to the communications device over a first beam, where the first beam corresponds to the second beam. This application is applicable to a paging message transmission process.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: April 19, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiangdong Zhang, Junren Chang
  • Patent number: 11310072
    Abstract: A transceiver includes a driver stage and a transient-triggered ring suppression circuit. The driver stage has a first transistor coupled between a supply voltage terminal and a first bus terminal and a second transistor coupled between a ground and a second bus terminal. The transient-triggered ring suppression circuit is coupled to the first and second transistors. The transient-triggered ring suppression circuit is configured to be enabled upon transition of the transceiver from a dominant state to a recessive state. Further, while the transceiver is in the recessive state, the transient-triggered ring suppression circuit is configured to attenuate ringing on at least one of the first or second bus terminals.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: April 19, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Richard Sterling Broughton, Vijayalakshmi Devarajan, Wesley Ryan Ray, Dushmantha Bandara Rajapaksha
  • Patent number: 11303336
    Abstract: Dynamic beamforming in a telecommunications network in response to packet drops at a cell site router (CSR) is described. A measure of packet drops at a cell site router is determined. The measure of packet drops is compared to a threshold measure of acceptable packet drops and it is determined if the measure exceeds the threshold measure. Upon determining that the threshold measure is exceeded, one or more of a phase weight measure or an amplitude weight measure for a beam associated with an antenna or antenna array are modified such that there is a decrease in the number of user equipment (UEs) that are serviced by the associated antenna/antenna array.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: April 12, 2022
    Assignee: T-Mobile Innovations LLC
    Inventor: Sreekar Marupaduga
  • Patent number: 11296755
    Abstract: This application provides a communication method and a communications apparatus. The method includes: generating, by a terminal device, first indication information, where the first indication information is used to indicate a precoding matrix, the precoding matrix is applied to at least one antenna panel and includes at least one precoding vector, each precoding vector includes a plurality of subvectors, each subvector corresponds to an antenna port on the antenna panel and includes two polarization vectors, and each polarization vector is generated by performing weighted combination on a plurality of basis vectors; and sending the first indication information. In embodiments of this application, accuracy of a codebook can be improved.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: April 5, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yi Huang, Huangping Jin, Huiying Zhu, Yuanjie Li, Xiaoyan Bi
  • Patent number: 11297619
    Abstract: A method and system for controlling carrier load in a wireless communication system that supports multiple user equipment devices (UEs) each being primarily connected with a first access node on a first carrier and each having a respective secondary connection for dual-connectivity service. An example method includes (i) monitoring a distribution of the respective secondary connections of the UEs among being on a second carrier and being on a third carrier, the third carrier having wider bandwidth than the second carrier, (ii) based on the monitoring, determining that at least a predefined threshold portion of the UEs have their secondary connections on the third carrier rather than on the second carrier, and (iii) based at least on the determining, taking action to control load on the first carrier, such as limiting a maximum number of UEs allowed to be concurrently connected with the first access node on the first carrier.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: April 5, 2022
    Assignee: Sprint Spectrum L.P.
    Inventor: Sreekar Marupaduga
  • Patent number: 11290898
    Abstract: A communication apparatus and a test method thereof are provided. The communication apparatus includes a wireless communication module, a wireless driver and an application unit. The test method of the communication apparatus includes the following steps: after the communication apparatus performs a booting operation, setting an operation mode as a default mode by the wireless driver to activate a first wireless interface and a second wireless interface of the wireless communication module, and controlling the wireless communication module by the wireless driver to not transmit a wireless signal. The test method further includes re-setting the operation mode according to a test item, by the application unit when the application unit receives an execution command, so that the wireless driver controls the wireless communication module to transmit the wireless signal corresponding to the operation mode.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: March 29, 2022
    Assignee: PEGATRON CORPORATION
    Inventor: Chia-Han Hsieh
  • Patent number: 11271785
    Abstract: A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and OFDM demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one Physical Layer Pipe (PLP) of the broadcast signal into the bit domain and FEC decoding of the converted PLP data; and an output processing module outputting a data stream by receiving the at least one PLP data.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: March 8, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaehyung Kim, Woosuk Ko, Chulkyu Mun, Sungryong Hong
  • Patent number: 11258643
    Abstract: In at least one embodiment of the invention, a method for reducing a dynamic range of a received radio frequency signal includes receiving digital IQ signals corresponding to an in-phase component of the received radio frequency signal and a quadrature component of the received radio frequency signal. The method includes demodulating the digital IQ signals to generate an instantaneous frequency signal. The method includes selecting a center frequency of a selectable filter according to whether an interfering signal is detected in a target frequency band of the received radio frequency signal. The center frequency is selected from a predetermined frequency and an estimated center frequency determined using the instantaneous frequency signal. The method includes filtering the digital IQ signals using the selectable filter configured using the center frequency to generate output digital IQ signals.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: February 22, 2022
    Assignee: Skyworks Solutions, Inc.
    Inventor: Alexander August Arthur Hakkola
  • Patent number: 11251821
    Abstract: A radio receiver system configured to remove click noise from a demodulated signal is disclosed. The radio receiver system may employ digital demodulation or analog demodulation. The radio receiver system may be configured to determine measures of a statistical distribution of amplitudes of the demodulated signal, and thresholds for limiting the demodulated signal based on the measures of the statistical distribution of amplitudes. Portions of the demodulated signal exceeding the thresholds are either soft limited or hard limited.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: February 15, 2022
    Assignee: Rockwell Collins, Inc.
    Inventors: Matthew Woods, Kenneth W. Moreland, Mark B. Jorgenson, Scott Klassen
  • Patent number: 11251830
    Abstract: A method (1100) in a wireless device (110) comprises identifying (1104) a configuration of a coordinated measurement occasion. The method comprises, during the coordinated measurement occasion (530, 630, 710, 830, 930), performing (1108) one or more measurements with respect to a plurality of reference signals transmitted from different cells (125, 515, 520, 525, 615, 620, 625, 715, 720, 725, 815, 820, 825, 915, 920, 925), in accordance with the identified configuration, wherein: each of the different cells is associated with at least one of the plurality of reference signals; and the configuration defines a common time interval and one or more common frequencies for the different cells to transmit their respective associated reference signal during the coordinated measurement occasion.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: February 15, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Oskar Drugge, Emma Wittenmark, David Sugirtharaj, Peter Alriksson, Yusheng Liu
  • Patent number: 11245558
    Abstract: A method in a transmitter circuit of generating a signal comprising a first sequence of OFDM symbols, which are to be transmitted within a frequency sub band of a second sequence of OFDM symbols is disclosed. A first cyclic prefix (CP) of the second sequence of OFDM symbols has a first duration, and a second CP of the second sequence of OFDM symbols has a second duration. In order to generate both the first and the second cyclic prefix with an integer number of equidistant samples, a first sampling rate is required. The method comprises generating the signal comprising the first sequence of OFDM symbols at a second sampling rate, lower than the first sampling rate, and adjusting a sampling phase during CPs.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: February 8, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Johan Hill, Michael Breschel
  • Patent number: 11240089
    Abstract: A method of pre-compensating for transmitter in-phase (I) and quadrature (Q) mismatch (IQMM) may include sending a signal through an up-converter of a transmit path to provide an up-converted signal, determining the up-converted signal, determining one or more IQMM parameters for the transmit path based on the determined up-converted signal, and determining one or more pre-compensation parameters for the transmit path based on the one or more IQMM parameters for the transmit path. In some embodiments, the up-converted signal may be determined through a receive feedback path. In some embodiments, the up-converted signal may be determined through an envelope detector.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: February 1, 2022
    Inventors: Elina Nayebi, Pranav Dayal, Kee-Bong Song
  • Patent number: 11239888
    Abstract: A transmission method includes generating a first precoded signal and a second precoded signal by performing a precoding process on a first baseband signal and a second baseband signal, outputting a third signal by inserting a pilot signal into the first precoded signal, outputting a fourth signal by applying a first phase change to the second precoded signal, outputting a fifth signal by inserting a pilot signal into the fourth signal, and outputting a sixth signal by applying a second phase change to the fifth signal.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: February 1, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Yutaka Murakami, Tomohiro Kimura, Mikihiro Ouchi