Patents Examined by Khanh C. Tran
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Patent number: 11929817Abstract: Method and apparatus for dynamic polarization combining. The apparatus identifies a first polarization of a first set of antenna elements on a first side of an antenna module having two or more sides. The apparatus identifies a second polarization of a second set of antenna elements on a second side of the antenna module. The apparatus determines, for an antenna layer, a dynamic polarization combination between the first set of antenna elements having the first polarization with the second set of antenna elements having the second polarization. The apparatus communicates with a network node via the antenna module based on the dynamic polarization combination.Type: GrantFiled: September 19, 2022Date of Patent: March 12, 2024Assignee: QUALCOMM IncorporatedInventors: Vasanthan Raghavan, Juergen Cezanne, Mohammad Ali Tassoudji, Junyi Li
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Patent number: 11923955Abstract: A unified radio system for providing wireless communication to a communication device on an aircraft regardless of aircraft altitude may include a terrestrial network including a plurality of terrestrial base stations configured to communicate primarily in a ground communication layer below a first altitude, an ATG network including a plurality of ATG base stations configured to communicate primarily in an ATG communication layer above a second altitude, an air-to-air mesh network for data relays through connected aircraft, and an aircraft with an onboard antenna assembly and a unified radio. The unified radio may be configured to monitor network parameters of the terrestrial network and the ATG network and switch between a currently serving network and a non-serving network based on the network parameters.Type: GrantFiled: April 23, 2020Date of Patent: March 5, 2024Assignee: SMARTSKY NETWORKS LLCInventors: Elbert Stanford Eskridge, Jr., Bruce J. Holmes, Gerard James Hayes, James Evans Ladd, Jr.
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Patent number: 11916636Abstract: A terminal includes a transmission unit configured to transmit, to a base station, information indicating whether or not transmission diversity is supported, a reception unit configured to receive, from the base station, information indicating a transmission diversity scheme in a case where transmission diversity is supported, and a control unit configured to switch to a transmission diversity scheme based on the information indicating the transmission diversity scheme, wherein the transmission unit is configured to perform transmission by applying the transmission diversity scheme to which the switch was made.Type: GrantFiled: February 13, 2020Date of Patent: February 27, 2024Assignee: NTT DOCOMO, INC.Inventors: Hiromasa Umeda, Hideaki Takahashi, Yuta Oguma
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Patent number: 11916627Abstract: A transmission method simultaneously transmitting a first modulated signal and a second modulated signal at a common frequency performs precoding on both signals using a fixed precoding matrix and regularly changes the phase of at least one of the signals, thereby improving received data signal quality for a reception device.Type: GrantFiled: November 22, 2022Date of Patent: February 27, 2024Assignee: SUN PATENT TRUSTInventors: Yutaka Murakami, Tomohiro Kimura, Mikihiro Ouchi
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Patent number: 11916632Abstract: An antenna system includes a first antenna array having a plurality of first antenna elements. The first antenna elements are operable to communicate one or more signals via a communication protocol. The antenna system includes a second antenna array having a plurality of second antenna elements. The antenna system includes a control circuit configured to control operation of one or more of the second antenna elements of the second antenna array in a first mode or a second mode. In the first mode, one or more of the second antenna elements are configured to provide a secondary function to support communication of the first antenna elements via the communication protocol. In a second mode, one or more of the second antenna elements are configured to support beam forming or beam steering of the first antenna elements.Type: GrantFiled: February 27, 2023Date of Patent: February 27, 2024Assignee: KYOCERA AVX Components (San Diego), Inc.Inventor: Olivier Pajona
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Patent number: 11916613Abstract: The present technology provides solutions that enable accurate measuring of frequency response on a network (e.g., cable network, fiber optic network) through frequency sweep testing. In various embodiments, the present technology provides a remote transmitter test unit that can be physically deployed at various points in a network. The present technology provides for on demand sweep testing. A remote transmitter test unit or headend test unit can periodically transmit a query message and, based on a response to the query message, can initiate a sweep test. The present technology provides for automatic generation of a sweep profile for a sweep test. Based on an analysis of a frequency spectrum on a network, the sweep profile provides parameters for conducting a sweep test. The present technology provides for Orthogonal Frequency-Division Multiplexing (OFDM) table generation and OFDM sweep testing.Type: GrantFiled: January 31, 2022Date of Patent: February 27, 2024Assignee: VeEX Inc.Inventors: Christopher C. Collins, Charles J. Kiss, Jr., Michael Collins, Thomas R. Morley
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Patent number: 11901934Abstract: An apparatus and method for hopping across frequencies in a transmission medium. A communication link is established between multiple devices over a communication medium using a default frequency resource. Signaling information is detected for frequency resources available on the communication medium, and values associated with the signaling information are stored within a logging table. The communication link is monitored for errors and a new frequency resource is selected from the logging table to maintain the communication link, if the errors exceed a predetermined threshold.Type: GrantFiled: December 30, 2021Date of Patent: February 13, 2024Assignee: Hughes Network Systems, LLCInventors: Emanuel Harrington, Lekha Panneer Selvam, Yong Kang Yuan
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Patent number: 11902065Abstract: 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: February 23, 2023Date of Patent: February 13, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xin Zuo, Ming Gan, Dandan Liang
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Patent number: 11894895Abstract: The invention relates to a wireless communication device configured for use in a wireless communication system, wherein, based on one or more structural properties of a multi-panel antenna array describing how the antenna array is structured into multiple panels, a precoder is selected to be applied for a transmission from the multi-panel antenna array; and wherein an information indicative of the determined precoder is signaled to a transmit radio node; the invention further refers to a transmit radio node configured for transmitting via a multi-panel antenna array in a wireless communication system, wherein signaling indicating one or more structural properties of a multi-panel antenna array describing how the antenna array is structured into multiple panels is transmitted to the wireless communication device.Type: GrantFiled: July 13, 2022Date of Patent: February 6, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Sebastian Faxér, Mattias Frenne
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Patent number: 11888664Abstract: According to an aspect, there is provided an apparatus comprising for performing the following. The apparatus receives a stream of orthogonal frequency division multiplexing symbols and associated cyclic prefixes produced by at least one orthogonal frequency-division multiplexing modulator of a radio transmitter or transceiver. The apparatus divides said stream into a plurality of overlapping processing blocks of a first length. At least one of the plurality of overlapping processing blocks comprises a non-overlapping section having values corresponding to a segment of said stream. The dividing comprises adjusting a length of the non-overlapping section at least based on whether a cyclic prefix is comprised in said segment and, if this is true, on a length of said cyclic prefix. The apparatus filters the plurality of overlapping processing blocks using fast convolution processing and concatenates filtered processing blocks to form an output signal for transmission using the radio transmitter or transceiver.Type: GrantFiled: October 20, 2021Date of Patent: January 30, 2024Assignee: Nokia Solutions and Networks OyInventors: Toni Levanen, Juha Yli-Kaakinen
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Patent number: 11881864Abstract: An all-digital phase-locked loop (ADPLL) and a calibration method thereof are provided. The ADPLL includes a digitally controlled oscillator (DCO), a time-to-digital converter (TDC) coupled to the DCO, and a normalization circuit coupled to the TDC. The DCO is configured to generate a clock signal according to a frequency control signal. The TDC is configured to generate a digital output signal according to a phase error between the clock signal and a reference signal. The normalization circuit is configured to convert the digital output signal into a clock phase value according to a gain parameter. More particularly, the normalization circuit may modify the gain parameter according to a phase error value between the clock phase value and a reference phase value.Type: GrantFiled: May 9, 2022Date of Patent: January 23, 2024Assignee: Realtek Semiconductor Corp.Inventor: Yu-Che Yang
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Patent number: 11881816Abstract: An oscillator includes: a resonator; an oscillation circuit configured to generate an oscillation signal by the resonator; a clock output terminal; an output circuit configured to output a clock signal to an external processing device via the clock output terminal; a first terminal; and an interface circuit configured to execute communication with the processing device by a data signal. In the communication, the output circuit outputs the clock signal to the processing device that is a master for the communication, and the interface circuit that is a slave for the communication receives, via the first terminal, the data signal that is transmitted from the processing device and synchronized with the clock signal, or transmits, via the first terminal, the data signal to the processing apparatus in synchronization with the clock signal.Type: GrantFiled: July 28, 2022Date of Patent: January 23, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Yuichi Toriumi
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Patent number: 11870626Abstract: Methods, systems, and devices for wireless communications are described. A wireless device allocated two sets of non-contiguous frequency domain resources may divide a set of modulation symbols associated with a codeword into two subsets of modulation symbols. The wireless device may map the two subsets of modulation symbols into two sets of pre-discrete Fourier transform (DFT) resource elements (REs). The wireless device may pad the pre-DFT REs according to a block based scheme or a comb based scheme. The wireless device may perform a first DFT on the first set of pre-DFT REs and a second DFT on the second set of pre-DFT REs to generate first and second sets of frequency domain samples. The wireless device may perform an inverse fast Fourier transform on the first and second sets of frequency domain samples to generate a time domain waveform that may have a low peak to average power ratio.Type: GrantFiled: July 25, 2022Date of Patent: January 9, 2024Assignee: QUALCOMM IncorporatedInventors: Jing Jiang, Jing Sun, Seyedkianoush Hosseini, Zhifei Fan, Yu Zhang
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Patent number: 11871505Abstract: Tools and techniques are described to automate line testing when wiring devices (such as equipment and sensors) to controllers. Controllers have access to databases of the devices that are controlled by them, including wiring diagrams and protocols, such that the controller can automatically check that each wire responds correctly to stimulus from the controller. After testing, a reporting device rapidly shows the results of the line testing.Type: GrantFiled: January 18, 2021Date of Patent: January 9, 2024Assignee: PassiveLogic, Inc.Inventors: Troy Aaron Harvey, Jeremy David Fillingim
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Patent number: 11870723Abstract: The present technology provides solutions that enable accurate measuring of frequency response on a network (e.g., cable network, fiber optic network) through frequency sweep testing. In various embodiments, the present technology provides a remote transmitter test unit that can be physically deployed at various points in a network. The present technology provides for on demand sweep testing. A remote transmitter test unit or headend test unit can periodically transmit a query message and, based on a response to the query message, can initiate a sweep test. The present technology provides for automatic generation of a sweep profile for a sweep test. Based on an analysis of a frequency spectrum on a network, the sweep profile provides parameters for conducting a sweep test. The present technology provides for Orthogonal Frequency-Division Multiplexing (OFDM) table generation and OFDM sweep testing.Type: GrantFiled: January 31, 2022Date of Patent: January 9, 2024Assignee: VeEX Inc.Inventors: Christopher C. Collins, Charles J. Kiss, Jr., Michael Collins, Thomas R. Morley
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Patent number: 11862863Abstract: Examples disclosed herein relate to an antenna calibration method for a beam steering radar. A first set of input voltages is determined for a plurality of phase shifters coupled to a plurality of antenna elements in an antenna array in the beam steering radar, the voltages to control phases of signals for transmission by the antenna array. A first set of input voltages is applied to the antenna array. Radiating signals resulting from the first set of input voltages are measured. Voltage and phase values for the plurality of phase shifters are iteratively optimized to determine voltage and phase value pairs that result in a desired gain for the antenna array. The voltage and phase value pairs are stored in a look-up-table in the beam steering radar.Type: GrantFiled: March 25, 2020Date of Patent: January 2, 2024Assignee: Metawave CorporationInventors: Safa Kanan Hadi Salman, Taha Shahvirdi Dizaj Yekan, Souren Shamsinejad, Maha Achour
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Patent number: 11863244Abstract: The present technology provides solutions that enable accurate measuring of frequency response on a network (e.g., cable network, fiber optic network) through frequency sweep testing. In various embodiments, the present technology provides a remote transmitter test unit that can be physically deployed at various points in a network. The present technology provides for on demand sweep testing. A remote transmitter test unit or headend test unit can periodically transmit a query message and, based on a response to the query message, can initiate a sweep test. The present technology provides for automatic generation of a sweep profile for a sweep test. Based on an analysis of a frequency spectrum on a network, the sweep profile provides parameters for conducting a sweep test. The present technology provides for Orthogonal Frequency-Division Multiplexing (OFDM) table generation and OFDM sweep testing.Type: GrantFiled: January 31, 2022Date of Patent: January 2, 2024Assignee: VeEX Inc.Inventors: Christopher C. Collins, Charles J. Kiss, Jr., Michael Collins, Thomas R. Morley
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Patent number: 11863245Abstract: A signal transmission device includes a communication unit that is connected to an electronic device by a signal wiring and performs communication with the electronic device via the signal wiring, a signal processing unit that performs signal processing related to the communication, a power supply unit that supplies direct current to the electronic device via the signal wiring, and a filter circuit connected between the signal wiring and the power supply unit. The filter circuit includes a plurality of filters having frequency characteristics different from each other, and the signal processing unit acquires communication quality information indicating quality of the communication in at least two or more frequency bands, and determines a state of the filter circuit based on the communication quality information.Type: GrantFiled: February 26, 2021Date of Patent: January 2, 2024Assignee: Hitachi Astemo, Ltd.Inventors: Yutaka Uematsu, Hideyuki Sakamoto
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Patent number: 11848713Abstract: Apparatus and methods for envelope alignment calibration in radio frequency (RF) systems are provided. In certain embodiments, calibration is performed by providing an envelope signal that is substantially triangular along an envelope path, and by providing an RF signal to a power amplifier along an RF signal path. Additionally, an output of the power amplifier is observed to generate an observation signal using an observation receiver. The observation signal includes a first peak and a second peak, and a delay between the envelope signal and the RF signal is controlled based on relative size of the peaks of the observation signal to one another.Type: GrantFiled: February 27, 2023Date of Patent: December 19, 2023Assignee: Skyworks Solutions, Inc.Inventors: Florinel G. Balteanu, Yu Zhu, Paul T. DiCarlo
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Patent number: 11848723Abstract: Systems and methods of testing cables are provided. An exemplary testing system for testing radio frequency (RF) cables in a telecommunication system including a cable under test includes a termination element configured to be coupled to a distal end of the cable under test; and a controller in communication with the termination element, wherein the controller switches the termination element between two or more termination states selected from the group consisting of an open termination state, a short termination state, a load termination state, and a through state.Type: GrantFiled: May 4, 2022Date of Patent: December 19, 2023Assignee: ECSite, Inc.Inventor: Subramanian S Meiyappan