Patents Examined by Khanh C. Tran
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Patent number: 12273173Abstract: A terminal is disclosed including a processor and a transmitter. The processor includes, in a UECapabilityInformation message, information indicating whether transmission diversity is supported on a per-band basis. The transmitter transmits, to a base station, the UECapabilityInformation message including the information indicating whether transmission diversity is supported on the per-band basis. In other aspects, a communication method and a radio communication system are also disclosed.Type: GrantFiled: January 25, 2024Date of Patent: April 8, 2025Assignee: NTT DOCOMO, INC.Inventors: Hiromasa Umeda, Hideaki Takahashi, Yuta Oguma
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Patent number: 12273225Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a reader device may transmit a delta message that indicates a frequency difference between a data tone frequency for the reader device and a helper tone frequency. The reader device may transmit a data tone signal at the data tone frequency and a helper tone signal at the helper tone frequency. The helper tone signal may be a waveform that is shared among multiple reader devices. Numerous other aspects are described.Type: GrantFiled: May 15, 2023Date of Patent: April 8, 2025Assignee: QUALCOMM IncorporatedInventors: Zhifei Fan, Jing Sun, Piyush Gupta
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Patent number: 12261611Abstract: Methods and systems for determining clock signals for audio processing using different operating modes are provided. In one aspect, a transition control word is determined to transition from a first control word for a first operating mode to a second control word for the second operating mode. The transition control word may be used to process the received audio signal while transitioning between the operating modes. After the transition, the second control word may be used to process the received audio signal using the second operating mode. The transition control word may be used to transition between various aspects of the operating modes, including different frequencies or resolutions, control systems, power levels, and more.Type: GrantFiled: July 16, 2023Date of Patent: March 25, 2025Assignee: Cirrus Logic, Inc.Inventors: Jianqi Chen, Jaiminkumar Mehta, Bhoodev Kumar, John L. Melanson
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Patent number: 12261928Abstract: Fast sampling phase and frequency acquisition suitable for incorporation into various high bandwidth receivers and receiving methods. One illustrative integrated circuit receiver or “deserializer” design has: a clock circuit that provides a sample clock; an analog to digital converter that samples a receive signal in accordance with the sample clock to provide receive signal samples; and a clock recovery circuit. The clock recovery circuit includes: a phase and frequency acquisition module to determine and correct an initial frequency offset and an initial phase offset of the sample clock; and a feedback circuit to minimize timing error of the sample clock after the initial frequency offset and initial phase offset have been corrected.Type: GrantFiled: July 28, 2023Date of Patent: March 25, 2025Assignee: Credo Technology Group LimitedInventors: Yu Liao, Junqing Sun
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Patent number: 12255761Abstract: The application provides a short training sequence design method and apparatus. The method includes: determining a short training sequence, where the short training sequence may be obtained based on an existing sequence, and the short training sequence with comparatively good performance may be obtained through simulation calculation, for example, by adjusting a parameter; and sending a short training field on a target channel, where the short training field is obtained by performing inverse fast Fourier transformation IFFT on the short training sequence, and a bandwidth of the target channel is greater than 160 MHz.Type: GrantFiled: January 4, 2024Date of Patent: March 18, 2025Assignee: Huawei Technologies Co., Ltd.Inventors: Xin Zuo, Ming Gan, Dandan Liang
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Patent number: 12255753Abstract: An insulated communication system includes a communication controller that sets communication data to a communication symbol through a numeral system and executes insulated communication through an insulator by adopting the communication symbol. The numeral system includes multiple states having a positive state, a negative state and a zero state. The positive state is represented by at least one positive integer, and the negative state is represented by at least one negative integer. The zero state is represented by zero being a level without generating current consumption. An absolute value of the at least one positive integer and an absolute value of the at least one negative integer are identical to each other. The communication controller sets an initial section of the communication data in the communication symbol to the positive state or the negative state, and sets a following section of the communication data to one of the multiple states.Type: GrantFiled: March 21, 2023Date of Patent: March 18, 2025Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, IMRISE Technologies CorporationInventors: Yoshikazu Furuta, Shigeki Otsuka, Takasuke Ito, Hyoungjun Na, Tomohiro Nezuka
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Patent number: 12255705Abstract: A method performed by an open radio access network (O-RAN) distributed unit (O-DU) in a wireless communication system, the method includes: generating a control plane message comprising User Equipment (UE) scheduling information; and transmitting the control plane message to an open radio access network (O-RAN) radio unit (O-RU). The control plane message further includes section extension information. The section extension information comprises bit masking information indicating antennas to be combined.Type: GrantFiled: March 15, 2023Date of Patent: March 18, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Namryul Jeon, Daejoong Kim, Jaeyoel Kim, Seungkyu Baek
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Patent number: 12244444Abstract: This application relates to the field of communications technologies, in particular Wireless Local Area Network technologies, and provides a method and apparatus for reducing a peak to average power ratio (PAPR) for transmitting a physical layer protocol data unit (PPDU), in particular reducing the PAPR for the U-SIG field. Methods are disclosed for both an access point (AP) and stations (STA).Type: GrantFiled: May 26, 2023Date of Patent: March 4, 2025Assignee: Huawei Technologies Co., Ltd.Inventors: Shimon Shilo, Oded Redlich, Genadiy Tsodik, Jian Yu, Ming Gan, Ezer Melzer, Doron Ezri, Yoav Levinbook, Mengshi Hu
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Patent number: 12237893Abstract: Methods, systems, and devices for wireless communications are described. A codebook adaptation may be performed for a flexible user equipment (UEs) to determine a codebook for a physical configuration of the UE. For example, if the UE determines that the physical configuration does not correspond to a pre-loaded codebook in its memory, the UE may provide information about the physical configuration to a base station to determine a corresponding codebook. Additionally, the UE may request that the base station provide channel information to assist with the codebook determination. In some cases, this request may indicate for the base station to allocate a specific number of channel state information reference signal symbols that the UE can use for the codebook determination. Additionally or alternatively, the UE may generate the codebook internally and then signal to the base station a request for a beam refinement procedure with the generated codebook.Type: GrantFiled: July 15, 2022Date of Patent: February 25, 2025Assignee: QUALCOMM IncorporatedInventors: Vasanthan Raghavan, Mohammad Ali Tassoudji, Kobi Ravid, Yu-Chin Ou, Ozge Koymen, Junyi Li
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Patent number: 12237886Abstract: A wireless initiator access point comprising a communication interface with an array of antennas and configured to operate the array of antennas with a precoding configuration for multi-user multiple-input multiple-output (MU-MIMO) communication with a plurality of wireless stations; send a Null Data Packet (NDP) Announcement frame to the wireless stations; trigger a wireless participator access point to send an NDP frame to the wireless stations; receive a plurality of Compressed Beamforming frames from the wireless stations; and forward the Compressed Beamforming frames to the wireless participator access point.Type: GrantFiled: May 24, 2023Date of Patent: February 25, 2025Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shahar Patury, Avi Weitzman, Doron Ezri, Avner Epstein, Arik Klein
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Patent number: 12231265Abstract: Method and apparatus are provided for estimating first downlink (DL) channel information of first DL channels in accordance with reference signals received on first uplink (UL) channels, the first UL channels being a subset of available UL channels, and the first DL channels corresponding to the first UL channels. Channel feedback is received for a set of DL channels, and second DL channel information is estimated in accordance with the estimated first DL channel information and the received channel feedback.Type: GrantFiled: October 17, 2022Date of Patent: February 18, 2025Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Guosen Yue, Xiao-Feng Qi
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Patent number: 12231273Abstract: A mobile communication base station for joint communication and sensing and method of operation of a mobile communication base station is described. The mobile communication base station includes a baseband processor configurable to transmit and receive sensing and communication signals via one or channels. Each channel is configurable in one or more of a communications-transmit mode, a communications-receive mode, a sense-transmit mode and a sense-receive mode. For each channel, the baseband processor includes a carrier mapping-demapping module and a sense module. The baseband processor includes a controller coupled to the carrier mapping-demapping module and configured to control the carrier mapping-demapping module of the one or more channels to map the plurality of transmit-OFDM-symbols to a bandwidth part of an available OFDM bandwidth in the sense-transmit mode and the communications-transmit mode.Type: GrantFiled: October 5, 2023Date of Patent: February 18, 2025Assignee: NXP B.V.Inventor: Leendert Albertus Dick van den Broeke
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Patent number: 12212443Abstract: A method of operating a terminal and a base station in a wireless communication system and an apparatus supporting the same are disclosed. As an example, a method of operating a terminal in a wireless communication system comprises receiving information related to a configuration for a unique word (UW) from a base station, receiving UW-orthogonal frequency division multiplexing (OFDM) symbols including data from the base station, and processing the UW-OFDM symbols based on the information related to the configuration for the UW.Type: GrantFiled: June 18, 2020Date of Patent: January 28, 2025Assignee: LG ELECTRONICS INC.Inventors: Minseog Kim, Sunam Kim, Jaehwan Kim, Sung Ryong Hong
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Patent number: 12212383Abstract: An accompanying matrix adjH(z, t) of a transfer function matrix H(z, t) established between a transmission station and a reception station is defined as a transmission weight WT(z). An M sequence part is divided into two blocks to obtain an M sequence first half part and an M sequence second half part. A training symbol #1 having the M sequence second half part and the M sequence first half part in that order and a training symbol #2 having the M sequence first half part and the M sequence second half part in that order are processed by the transmission weight WT(z). In the receiving station, a virtual training signal block having the M sequence part S and the M sequence first half part is generated. A communication path response R(m) is calculated by a slide correlation method for the virtual training signal block.Type: GrantFiled: January 26, 2021Date of Patent: January 28, 2025Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Keita Kuriyama, Hayato Fukuzono, Toshifumi Miyagi
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Patent number: 12212387Abstract: Transceiver integrated circuit suitable for distributed placement across an active antenna unit. ICs with two serial data ports configured to transmit and receive aggregated signal-port IQ data packets with adjacent ICs within a subarray of ICs, or to a beamformer processor. A packet header inspection circuit may identify aggregated signal-port IQ data packets for local processing, and identify received aggregated signal-port IQ data packets for processing by another device.Type: GrantFiled: June 30, 2023Date of Patent: January 28, 2025Assignee: InnoPhase, INC.Inventors: Yang Xu, Nicolo Testi, Jongheon Kim
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Patent number: 12199797Abstract: A cable may include a first signal path for communicating a first polarity signal of a differential signal, a second signal path for communicating a second polarity signal of the differential signal, a first deskewer integral to the first signal path and configured to vary a first propagation delay of the first signal path, a second deskewer integral to the second signal path and configured to vary a second propagation delay of the second signal path, attenuators configured to apply an attenuation to the first signal path and the second signal path, and a circuit formed as a part of the cable and communicatively coupled to the first signal path, the second signal path, the first deskewer, the second deskewer, the attenuators, and configured to, based on analysis of the first polarity signal and the second polarity signal, control the first propagation delay, the second propagation delay, and the attenuation.Type: GrantFiled: August 11, 2023Date of Patent: January 14, 2025Assignee: Dell Products L.P.Inventors: Sandor T. Farkas, Bhyrav M. Mutnury
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Patent number: 12199801Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitting device may add a first extension before modulated symbols of a communication, the first extension including data from an end portion of the modulated symbols. The transmitting device may add a second extension after the modulated symbols, the second extension including data from a beginning portion of the modulated symbols. The transmitting device may apply a first weighting function that overlaps the first extension and the beginning portion of the modulated symbols. The transmitting device may apply a second weighting function that overlaps the end portion of the modulated symbols and the second extension. The transmitting device may add one or more of a header before the first extension or a tail after the second extension. The transmitting device may transmit the communication. Numerous other aspects are described.Type: GrantFiled: October 28, 2022Date of Patent: January 14, 2025Assignee: QUALCOMM IncorporatedInventors: Iyab Issam Sakhnini, Tao Luo, Hemant Saggar, Jing Sun
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Patent number: 12188976Abstract: A system can comprise a radio unit comprising a digital front end chain. The system can further comprise a tap point disposed within the digital front end chain, wherein the tap point is configured to time align a signal at the tap point with a system time of the radio unit. The system can further comprise a first hardware component that is configured to selectively read the signal at the tap point to produce a read signal. The system can further comprise a second hardware component that is configured to store the read signal.Type: GrantFiled: April 19, 2022Date of Patent: January 7, 2025Assignee: DELL PRODUCTS L.P.Inventors: John Bradley Deforge, Tommy Ivarsson, Sewvanda Don
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Patent number: 12177056Abstract: A telecommunication method which includes: mapping, with a mapper, input data to points of a constellation in order to generate symbols, repeating symbols according to a pattern, modulating the symbols, with a modulator, in order to generate multi-carrier symbols, and transmitting a radio signal representative of the multi-carrier symbols.Type: GrantFiled: November 9, 2021Date of Patent: December 24, 2024Assignee: ORANGEInventor: Bruno Jahan
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Patent number: 12177045Abstract: A method of equalization for high-speed processing and an equalizer thereof are proposed. The method of equalization includes determining a filter coefficient applied to a transmitter equalizer provided with a 2-tap precoder according to an approximate channel response characteristic, generating a pre-equalization signal by removing precursor ISI of a transmission feedback signal by the precoder to which the filter coefficient is applied, so as to output the pre-equalization signal as a transmitting signal, and receiving a transmission signal and generating an equalization signal by removing postcursor ISI of the received transmission signal by a receiver equalizer provided with a feedback filter having auxiliary coefficients for compensating for a difference between an overall channel response of the transmission signal and a channel response based on the precoder.Type: GrantFiled: March 24, 2023Date of Patent: December 24, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seung-Woo Lee, Sang Rok Moon, Joon Ki Lee