Patents by Inventor Ashoke Ravi
Ashoke Ravi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240243477Abstract: Millimeter wave (mmWave) technology, apparatuses, and methods that relate to transceivers, receivers, and antenna structures for wireless communications are described. The various aspects include co-located millimeter wave (mmWave) and near-field communication (NFC) antennas, scalable phased array radio transceiver architecture (SPARTA), phased array distributed communication system with MIMO support and phase noise synchronization over a single coax cable, communicating RF signals over cable (RFoC) in a distributed phased array communication system, clock noise leakage reduction, IF-to-RF companion chip for backwards and forwards compatibility and modularity, on-package matching networks, 5G scalable receiver (Rx) architecture, among others.Type: ApplicationFiled: February 15, 2024Publication date: July 18, 2024Inventors: Erkan Alpman, Arnaud Lucres Amadjikpe, Omer Asaf, Kameran Azadet, Rotem Banin, Miroslav Baryakh, Anat Bazov, Stefano Brenna, Bryan K. Casper, Anandaroop Chakrabarti, Gregory Chance, Debabani Choudhury, Emanuel Cohen, Claudio Da Silva, Sidharth Dalmia, Saeid Daneshgar Asl, Kaushik Dasgupta, Kunal Datta, Ofir Degani, Amr M. Fahim, Amit Freiman, Michael Genossar, Eran Gerson, Eyal Goldberger, Eshel Gordon, Meir Gordon, Josef Hagn, Shinwon Kang, Te Yu Kao, Noam Kogan, Mikko S. Komulainen, Igal Yehuda Kushnir, Saku Lahti, Mikko M. Lampinen, Naftali Landsberg, Wook Bong Lee, Run Levinger, Albert Molina, Resti Montoya Moreno, Tawfiq Musah, Nathan G. Narevsky, Hosein Nikopour, Oner Orhan, Georgios Palaskas, Stefano Pellerano, Ron Pongratz, Ashoke Ravi, Shmuel Ravid, Peter Andrew Sagazio, Eren Sasoglu, Lior Shakedd, Gadi Shor, Baljit Singh, Menashe Soffer, Ra'anan Sover, Shilpa Talwar, Nebil Tanzi, Moshe Teplitsky, Chintan S. Thakkar, Jayprakash Thakur, Avi Tsarfati, Marian Verhelst, Yossi Tsfati, Nir Weisman, Shuhei Yamada, Ana M. Yepes, Duncan Kitchin
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Publication number: 20240223416Abstract: A system includes a processor configured to determine a frequency offset between a first local oscillator and a second local oscillator using a combined radio signal received at a first transceiver circuit; wherein the combined radio signal comprises a first signal transmitted by the first transceiver circuit and a second signal transmitted by a second transceiver circuit.Type: ApplicationFiled: December 29, 2022Publication date: July 4, 2024Inventors: Hossein ALAVI, Elan BANIN, Ofir DEGANI, Ashoke RAVI
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Publication number: 20240213947Abstract: A filter includes a plurality of filtering paths. The plurality of filtering paths is driven by a corresponding plurality of local oscillator (LO) signals associated with an LO frequency. Each of the LO signals has a phase of a plurality of phases. Each filtering path of the plurality of filtering paths includes a plurality of signal generation branches. The plurality of signal generation branches is configured to receive a harmonic LO signal based on a fraction of the LO frequency, and generate an LO signal of the corresponding plurality of LO signals associated with the LO frequency using the harmonic LO signal.Type: ApplicationFiled: December 27, 2022Publication date: June 27, 2024Inventors: Run Levinger, SOUMYA GUPTA, SASHANK KRISHNAMURTHY, Ashoke Ravi, Ofir Degani
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Patent number: 12021608Abstract: Some demonstrative embodiments may include an apparatus including an integrated Radio Head (RH), the integrated RH including an antenna; a transceiver chain to transmit a Radio Frequency (RF) transmit (Tx) signal via the antenna, and to receive an RF Receive (Rx) signal via the antenna; a Physical layer (PHY) time-domain (TD) processor configured to generate a digital PHY TD Rx signal based on the RF Rx signal, and to cause the transceiver chain to transmit the RF Tx signal based on a digital PHY TD Tx signal; and a digital interface to communicate the digital PHY TD Tx signal and the digital PHY TD Rx signal over a digital link.Type: GrantFiled: December 26, 2019Date of Patent: June 25, 2024Assignee: INTEL CORPORATIONInventors: Ofir Degani, Ehud Reshef, Eytan Mann, Ashoke Ravi
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Methods and devices for mitigating pulling in a fractional local oscillator signal generation scheme
Patent number: 12021964Abstract: A radio-frequency integrated circuit (RFIC) configured to generate a synthesized clock includes a phase locked loop (PLL) configured to divide down a clock to a non-harmonic frequency; a plurality of multi-phase injection locked clock multipliers (ILCM) directly connected to a plurality of transceiver chains; wherein the PLL is further configured to distribute a divided down clock to at least one of the plurality of multi-phase ILCMs; wherein the plurality of multiphase ILCMs are configured to select a phase of and multiply the divided down clock to synthesize a desired harmonic frequency of the clock and suppress an undesired harmonic frequency of the clock.Type: GrantFiled: December 27, 2019Date of Patent: June 25, 2024Assignee: Intel CorporationInventors: Ashoke Ravi, Ronen Kronfeld, Ofir Degani -
Publication number: 20240137051Abstract: Techniques are described related to digital radio control and operation. The various techniques described herein enable high-frequency local oscillator (LO) signal generation using injection locked cock multipliers (ILCMs). The techniques also include the use of LO signals for carrier aggregation applications for phased array front ends. Furthermore, the disclosed techniques include the use of array element-level control using per-chain DC-DC converters. Still further, the disclosed techniques include the use of adaptive spatial filtering and optimal combining of analog-to-digital converters (ADCs) to maximize dynamic range in digital beamforming systems.Type: ApplicationFiled: January 2, 2024Publication date: April 25, 2024Inventors: Ashoke Ravi, Benjamin Jann, Satwik Patnaik
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Patent number: 11967980Abstract: Techniques are described related to digital radio control and operation. The various techniques described herein enable high-frequency local oscillator (LO) signal generation using injection locked cock multipliers (ILCMs). The techniques also include the use of LO signals for carrier aggregation applications for phased array front ends. Furthermore, the disclosed techniques include the use of array element-level control using per-chain DC-DC converters. Still further, the disclosed techniques include the use of adaptive spatial filtering and optimal combining of analog-to-digital converters (ADCs) to maximize dynamic range in digital beamforming systems.Type: GrantFiled: August 4, 2021Date of Patent: April 23, 2024Assignee: Intel CorporationInventors: Ashoke Ravi, Benjamin Jann, Satwik Patnaik
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Publication number: 20240120929Abstract: The present disclosure relates to a signal generator including: a plurality of interpolators, each interpolator being configured to: receive a first input signal having a first phase, and a second input signal having a second phase; generate a plurality of interpolated signals based on a plurality of interpolations of the input signals, each interpolated signal having a respective phase based on the respective interpolation, and combine the interpolated signals to provide an output signal; the plurality of interpolators including: a first plurality of interpolators, each interpolator being configured to receive as input signals a first reference signal and a second reference signal; and a second plurality of interpolators, each interpolator being configured to receive as first input signal an output signal from an interpolator of the first plurality of interpolators and as second input signal another output signal from another interpolator of the first plurality of interpolators.Type: ApplicationFiled: September 30, 2022Publication date: April 11, 2024Inventors: Ofir DEGANI, Run LEVINGER, Ashoke RAVI
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Patent number: 11955732Abstract: Millimeter wave (mmWave) technology, apparatuses, and methods that relate to transceivers, receivers, and antenna structures for wireless communications are described. The various aspects include co-located millimeter wave (mmWave) and near-field communication (NFC) antennas, scalable phased array radio transceiver architecture (SPARTA), phased array distributed communication system with MIMO support and phase noise synchronization over a single coax cable, communicating RF signals over cable (RFoC) in a distributed phased array communication system, clock noise leakage reduction, IF-to-RF companion chip for backwards and forwards compatibility and modularity, on-package matching networks, 5G scalable receiver (Rx) architecture, among others.Type: GrantFiled: December 27, 2022Date of Patent: April 9, 2024Assignee: Intel CorporationInventors: Erkan Alpman, Arnaud Lucres Amadjikpe, Omer Asaf, Kameran Azadet, Rotem Banin, Miroslav Baryakh, Anat Bazov, Stefano Brenna, Bryan K. Casper, Anandaroop Chakrabarti, Gregory Chance, Debabani Choudhury, Emanuel Cohen, Claudio Da Silva, Sidharth Dalmia, Saeid Daneshgar Asl, Kaushik Dasgupta, Kunal Datta, Brandon Davis, Ofir Degani, Amr M. Fahim, Amit Freiman, Michael Genossar, Eran Gerson, Eyal Goldberger, Eshel Gordon, Meir Gordon, Josef Hagn, Shinwon Kang, Te Yu Kao, Noam Kogan, Mikko S. Komulainen, Igal Yehuda Kushnir, Saku Lahti, Mikko M. Lampinen, Naftali Landsberg, Wook Bong Lee, Run Levinger, Albert Molina, Resti Montoya Moreno, Tawfiq Musah, Nathan G. Narevsky, Hosein Nikopour, Oner Orhan, Georgios Palaskas, Stefano Pellerano, Ron Pongratz, Ashoke Ravi, Shmuel Ravid, Peter Andrew Sagazio, Eren Sasoglu, Lior Shakedd, Gadi Shor, Baljit Singh, Menashe Soffer, Ra'anan Sover, Shilpa Talwar, Nebil Tanzi, Moshe Teplitsky, Chintan S. Thakkar, Jayprakash Thakur, Avi Tsarfati, Yossi Tsfati, Marian Verhelst, Nir Weisman, Shuhei Yamada, Ana M. Yepes, Duncan Kitchin
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Publication number: 20240113696Abstract: For example, a phase shifter may include an input to receive an input clock signal having an input frequency and an input phase. For example, the phase shifter may include a quadrature phase-shift generator configured to generate a first signal and a second signal based on the input clock signal, the first and second signals having the input frequency, wherein a phase of the first signal is based on the input phase, wherein a phase of the second signal is shifted by a quadrature phase-shift relative to the phase of the first signal. For example, the phase shifter may include an output to provide an output based on the first signal and the second signal.Type: ApplicationFiled: October 1, 2022Publication date: April 4, 2024Applicant: INTEL CORPORATIONInventors: Elan Banin, Rotem Banin, Ashoke Ravi, Assaf Ben-Bassat, Ofir Degani
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Publication number: 20240097325Abstract: An antenna array architecture is provided for beamforming applications. The antenna array architecture facilitates a compact and wideband dual-polarized beam-switching antenna array architecture, which may be implemented in a cost-effective multi-layer PCB or package. The antenna array architecture is implemented as part of a package substrate having a number of layers. Each of the layers comprises various conductive elements such as conductive segments and/or traces that are disposed thereon in accordance with the respective antenna components.Type: ApplicationFiled: September 19, 2022Publication date: March 21, 2024Inventors: Kexin Hu, Tae Young Yang, Seong-Youp John Suh, Harry Skinner, Ashoke Ravi, Ofir Degani, Ronen Kronfeld
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Publication number: 20240056120Abstract: A tunable bandpass low-noise amplifier (LNA). The LNA includes a plurality of N-path filters and a plurality of cascode amplifiers. The cascode amplifiers are configured to amplify an input signal. Each N-path filter is coupled to a different one of the plurality of cascode amplifiers. The plurality of N-path filters are driven by local oscillator (LO) signals having different frequencies, and output nodes of the plurality of cascode amplifiers are coupled in parallel. The frequencies of the LO signals may be symmetrically spaced around a desired frequency (fLO). Each N-path filter may be coupled to a source of the common-gate device of the coupled cascode amplifier. The LO signals may be generated by a digital-to-time converter (DTC)-based frequency synthesizer. The frequencies of the LO signals supplied to the N-path filters may be adjusted to tune the bandwidth of the bandpass LNA.Type: ApplicationFiled: August 12, 2022Publication date: February 15, 2024Inventors: Sashank KRISHNAMURTHY, Ofir DEGANI, Ashoke RAVI
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METHODS AND DEVICES FOR MITIGATING PULLING IN A FRACTIONAL LOCAL OSCILLATOR SIGNAL GENERATION SCHEME
Publication number: 20240048351Abstract: A radio-frequency integrated circuit (RFIC) configured to generate a synthesized clock includes a phase locked loop (PLL) configured to divide down a clock to a non-harmonic frequency; a plurality of multi-phase injection locked clock multipliers (ILCM) directly connected to a plurality of transceiver chains; wherein the PLL is further configured to distribute a divided down clock to at least one of the plurality of multi-phase ILCMs; wherein the plurality of multiphase ILCMs are configured to select a phase of and multiply the divided down clock to synthesize a desired harmonic frequency of the clock and suppress an undesired harmonic frequency of the clock.Type: ApplicationFiled: December 27, 2019Publication date: February 8, 2024Inventors: Ashoke RAVI, Ronen KRONFELD, Ofir DEGANI -
Publication number: 20230361802Abstract: In various aspects, a radio frequency circuit is provided. The radio frequency circuit may include a substrate that may include a radio frequency front-end to antenna (RF FE-to-Ant) connector. The RF FE-to-Ant connector may include a conductor track structure and a substrate connection structure coupled to the conductor track structure. The substrate may include radio frequency front-end circuitry monolithically integrated in the substrate. The substrate connection structure may include at least one of a solderable structure, a weldable structure, or an adherable structure. The substrate connection structure may be configured to form at least one radio frequency signal interface with an antenna circuit connection structure of a substrate-external antenna circuit. The substrate may include an edge region. The substrate connection structure may be disposed in the edge region.Type: ApplicationFiled: November 3, 2020Publication date: November 9, 2023Inventors: Jayprakash THAKUR, Ofir DEGANI, Ronen KRONFELD, Ehud RESHEF, Seong-Youp J. SUH, Tal SHOSHANA, Eytan MANN, Maruti TAMRAKAR, Ashoke RAVI, Jose Rodrigo CAMACHO PEREZ, Timo Sakari HUUSARI, Eli BOROKHOVICH, Amir RUBIN, Ofer BENJAMIN, Tae Young YANG, Harry SKINNER, Kwan ho LEE, Jaejin LEE, Dong-Ho Han, Shahar GROSS, Eran SEGEV, Telesphor KAMGAING
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Publication number: 20230318643Abstract: For example, a transmitter, e.g., for a wireless communication device, may be configured to transmit a wideband Radio Frequency (RF) Transmit (Tx) signal having a wide bandwidth of at least 80 Megahertz (MHz). For example, the transmitter may be configured to generate the wideband RF Tx signal having the wide bandwidth based on a baseband signal. The transmitter may be configured to generate the wideband RF Tx signal including a suppressed third harmonic and a suppressed fifth harmonic.Type: ApplicationFiled: March 31, 2022Publication date: October 5, 2023Applicant: Intel CorporationInventors: Elan Banin, Assaf Ben-Bassat, Ashoke Ravi, Rotem Banin, Ofir Degani
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Publication number: 20230308193Abstract: In various aspects of this disclosure, a communication device is provided. The communication device may include a first radiohead circuit including a first transceiver chain configured to transmit a first radio frequency signal associated with a first transmission configuration and to transmit a second radio frequency signal associated with a second transmission configuration a second radiohead circuit comprising a second transceiver chain configured to receive the first radio frequency signal and the second radio frequency signal, and one or more processors configured to determine a first signal parameter associated with the first radio frequency signal received at the second transceiver chain and a second signal parameter associated with the second radio frequency signal received at the second transceiver chain, and to determine a preferred transmission configuration for the first transceiver chain by using the first signal parameter and the second signal parameter.Type: ApplicationFiled: September 25, 2020Publication date: September 28, 2023Inventors: Rotem BANIN, Ofir DEGANI, Shahar GROSS, Run LEVINGER, Eytan MANN, Ashoke RAVI, Ehud RESHEF, Amir RUBIN, Eran SEGEV, Evgeny SHUMAKER
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Patent number: 11764835Abstract: A communication device may include a millimeter wave (mm-wave) antenna array having antenna elements, a mm-wave element (e.g. lens), and one or more transceivers (e.g. first and second transceivers). The mm-wave lens may be configured to adjust the first beam and the second beam as the first and second beams pass through the mm-wave lens. The first transceiver can selectively couple to the antenna elements, the first transceiver being configured to drive a first selected antenna element of the antenna elements to transmit a beam from the selected first antenna element. The second transceiver may selectively couple to the antenna elements, the second transceiver being configured to drive a second selected antenna element of the antenna elements to transmit a second beam from the selected second antenna element.Type: GrantFiled: September 9, 2021Date of Patent: September 19, 2023Assignee: Intel CorporationInventors: Ashoke Ravi, Ofir Degani, Ronen Kronfeld, Harry Skinner, Seong-Youp Suh, Tae-Young Yang
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Publication number: 20230283311Abstract: A wireless communication device includes an antenna array with multiple antenna elements, an array of power amplifiers, and an array of phase shifters. Each antenna element is coupled to a power amplifier and a phase shifter. The device also includes transmitter circuitry coupled to the antenna array to encode a constant amplitude signal, which includes a power amplifier enable code to indicate which power amplifiers are to run in a subsequent data sample and a beam direction code to control beam direction of each phase shifter of the array of phase shifters in the subsequent data sample. The constant amplitude signal is then provided to the array of antenna elements and amplitude and phase modulation is combined over an air interface into a composite modulated signal.Type: ApplicationFiled: December 23, 2021Publication date: September 7, 2023Inventors: Benjamin Jann, Ashoke Ravi, Paolo Madoglio
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Publication number: 20230216409Abstract: A single inductor multiple output DC-to-DC converter may be configured as a buck-boost converter. The converter may include an inductor, a plurality of switches coupled to the inductor to control energizing and deenergizing phases of the inductor, and a plurality of output rails. Each of the plurality of output rails may include at least one switch, which is configured to connect the output rail to the inductor of the buck-boost converter. Depending on the energizing and deenergizing patterns of the inductor, and the state of the one or more switches, the various output rails may be supplied with a plurality of different output voltages and / or output currents. Any of a plurality of regulating strategies may be utilized to further control the output voltages and / or the output currents.Type: ApplicationFiled: June 26, 2020Publication date: July 6, 2023Inventors: Ashoke RAVI, Ofir DEGANI, Harish KRISHNAMURTHY, Shahar WOLF, Sally AMIN, Suhwan KIM
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Patent number: 11696226Abstract: In various aspects, a radio communication device is described including a housing, a plurality of radiohead circuits attached to the housing, baseband circuitry connected to the plurality of radiohead circuits via a digital interface; and one or more processors configured to select one or more radiohead circuits of the plurality of radiohead circuits for communication with another radio communication device to fulfill one or more predefined selection criteria with respect to a quality of a communication with the other radio communication device using the one or more selected radiohead circuits and to control the baseband circuitry to perform communication with the other radio communication device using the one or more selected radiohead circuits.Type: GrantFiled: December 18, 2020Date of Patent: July 4, 2023Assignee: Intel CorporationInventors: Ehud Reshef, Ofir Degani, Roya Doostnejad, Avishay Friedman, Nevo Idan, Eytan Mann, Ashoke Ravi, Gadi Shor, Shahar Gross, Ofir Klein, Chen Kojokaro
