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公开(公告)号：US10756774B2
公开(公告)日：2020-08-25
申请号：US16224658
申请日：2018-12-18
Applicant: Apple Inc.
Inventor： Ioannis Sarkas , Elmar Wagner
IPC: H04B1/12 , H04B1/525 , H04B7/0426 , H04B7/0417 , H04B1/04
Abstract: The representative embodiments discussed in the present disclosure relate to techniques in which a transmitter may operate in an uplink multiple-input, multiple-output (MIMO) mode of operation. More specifically, in some embodiments, the transmitter may concurrently transmit a first and a second signal within the same frequency band via a first and second antenna, respectively. Further, in some embodiments, the transmitter may include circuitry and/or logic to offset nonlinear interference present in the transmitted signals as a result of antenna coupling between the first and second antenna and a nonlinear element (e.g., a power amplifier) within the transmitter.
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公开(公告)号：US20240090052A1
公开(公告)日：2024-03-14
申请号：US18101947
申请日：2023-01-26
Applicant: Apple Inc.
Inventor： Ioannis Sarkas , Sharad Sambhwani
IPC: H04W76/15 , H04W72/0446 , H04W72/0453
CPC classification number: H04W76/15 , H04W72/0446 , H04W72/0453
Abstract: Systems and methods described herein may enable an electronic device to communicate using both a first communication system based on a first frequency spectrum (e.g., New Radio (NR)/Fifth Generation (5G) network frequencies) and a second communication system based on a second frequency spectrum (e.g., sub-terahertz (sub-THz) frequencies, Sixth Generation (6G) network frequencies)). The two communication systems may share some front-end processing circuitry, which may help with reducing complexity and footprints of sub-THz communication systems.
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公开(公告)号：US10448328B2
公开(公告)日：2019-10-15
申请号：US15625318
申请日：2017-06-16
Applicant: Apple Inc.
Inventor： Ioannis Sarkas , Berke Cetinoneri , Evan M. Manrique , Ryan J. Goedken
IPC: H04B1/16 , H04W52/02 , H04B1/40 , H03F3/19 , H03F3/24 , H03F1/32 , G01R29/10 , G01R29/08 , H03G3/30 , H04B1/04
Abstract: An electronic device may include wireless communications circuitry, control circuitry, and sensor circuitry. The wireless communications circuitry may include amplifier circuitry that amplifies radio-frequency signals using on a bias voltage to generate amplified radio-frequency signals transmitted over an antenna. Power supply circuitry may generate the bias voltage based on an envelope mapping setting and an envelope signal associated with the radio-frequency signals. The sensor circuitry may generate sensor data that characterizes the performance of the wireless communications circuitry and provide the sensor data to the control circuitry. The control circuitry may use the provided sensor data to generate control signals for the power supply circuitry. The control signals may adjust the envelope mapping setting of the power supply circuitry.
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公开(公告)号：US10652065B2
公开(公告)日：2020-05-12
申请号：US16135973
申请日：2018-09-19
Applicant: Apple Inc.
Inventor： Ioannis Sarkas , Berke Cetinoneri , Qishan Yu
Abstract: Systems, methods, and devices are provided for correcting compression distortion of wireless signals due to variations in operation parameters of the radio frequency system. The method may include using circuitry to generate a reference signal that is not pre-distorted by a processing block. The method may involve receiving an envelope signal representative of a signal being transmitted by a transceiver. The method may also involve determining a first peak-to-average ratio of the envelope signal and receiving a second peak-to-average ratio of the reference signal. The method may additionally involve determining a difference between the first peak-to-average ratio and the second peak-to-average ratio. The method may also include adjusting a gain of an amplifier of the transceiver based on the difference.
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公开(公告)号：US20200092153A1
公开(公告)日：2020-03-19
申请号：US16135973
申请日：2018-09-19
Applicant: Apple Inc.
Inventor： Ioannis Sarkas , Berke Cetinoneri , Qishan Yu
IPC: H04L27/26 , H04B7/155 , H04B17/318 , H03G3/30
Abstract: Systems, methods, and devices are provided for correcting compression distortion of wireless signals due to variations in operation parameters of the radio frequency system. The method may include using circuitry to generate a reference signal that is not pre-distorted by a processing block. The method may involve receiving an envelope signal representative of a signal being transmitted by a transceiver. The method may also involve determining a first peak-to-average ratio of the envelope signal and receiving a second peak-to-average ratio of the reference signal. The method may additionally involve determining a difference between the first peak-to-average ratio and the second peak-to-average ratio. The method may also include adjusting a gain of an amplifier of the transceiver based on the difference.
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Patent Agency Ranking
公开(公告)号：US20180368065A1
公开(公告)日：2018-12-20
申请号：US15625318
申请日：2017-06-16
Applicant: Apple Inc.
Inventor： Ioannis Sarkas , Berke Cetinoneri , Evan M. Manrique , Ryan J. Goedken
CPC classification number: H04W52/0225 , G01R27/06 , G01R29/0878 , G01R29/10 , H03F1/3241 , H03F3/19 , H03F3/245 , H03F2200/102 , H03F2200/451 , H03G3/3042 , H04B1/0458 , H04B1/40
Abstract: An electronic device may include wireless communications circuitry, control circuitry, and sensor circuitry. The wireless communications circuitry may include amplifier circuitry that amplifies radio-frequency signals using on a bias voltage to generate amplified radio-frequency signals transmitted over an antenna. Power supply circuitry may generate the bias voltage based on an envelope mapping setting and an envelope signal associated with the radio-frequency signals. The sensor circuitry may generate sensor data that characterizes the performance of the wireless communications circuitry and provide the sensor data to the control circuitry. The control circuitry may use the provided sensor data to generate control signals for the power supply circuitry. The control signals may adjust the envelope mapping setting of the power supply circuitry.
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公开(公告)号：US20250105879A1
公开(公告)日：2025-03-27
申请号：US18781077
申请日：2024-07-23
Applicant: Apple Inc.
Inventor： Wanlu Sun , Sharad Sambhwani , Ioannis Sarkas
IPC: H04B7/04 , H04B7/0426 , H04B7/06 , H04W52/26
Abstract: A communication system may include a wireless base station (BS), one or more user equipment (UE) devices, and optionally one or more reconfigurable intelligent surfaces (RIS's). Phased antenna arrays may be implemented on one or more of these devices. The phased antenna arrays may exhibit beam squint. The beam squint may be leveraged to optimize communications efficiency in the system. For example, a transmit device may leverage beam squint to perform modulation coding scheme (MCS) adjustment, transmit power level adjustment, reference signal allocation, beam width adjustment, frequency domain resource allocation, carrier aggregation band selection, and/or beam management procedures. Beam squint may also be leveraged to ensure that satisfactory communications are maintained between the BS and the UE devices even as the UE devices move over time.
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公开(公告)号：US20230370970A1
公开(公告)日：2023-11-16
申请号：US18316149
申请日：2023-05-11
Applicant: Apple Inc.
Inventor： Francesco Negro , Sharad Sambhwani , Ioannis Sarkas
IPC: H04W52/02
CPC classification number: H04W52/0229
Abstract: The present application relates to devices and components including apparatus, systems, and methods for plural-tone, plural-frequency wake-up signaling.
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公开(公告)号：US10469120B1
公开(公告)日：2019-11-05
申请号：US16145614
申请日：2018-09-28
Applicant: Apple Inc.
Inventor： Berke Cetinoneri , Ioannis Sarkas , Qishan Yu
Abstract: Systems and methods for improving communication reliability of a radio frequency system that includes an antenna integrated circuit, which includes an antenna amplifier unit that outputs a first analog electrical signal that indicates data, a transceiver integrated circuit implemented using a first semiconductor manufacturing technique, in which the transceiver integrated circuit includes a transceiver amplifier unit that outputs a second analog electrical signal that indicates the data, and a driver integrated circuit implemented using a second semiconductor manufacturing technique. The driver integrated circuit includes an intermediate amplifier unit, which outputs a third analog electrical signal that indicates the data, and intermediate routing circuitry, which routes the first analog electrical signal to the intermediate amplifier unit and the third analog electrical signal to the transceiver integrated circuit during reception and routes the second analog electrical signal to the intermediate amplifier unit and the third analog electrical to the antenna integrated circuit during transmission.
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公开(公告)号：US20240012124A1
公开(公告)日：2024-01-11
申请号：US18472939
申请日：2023-09-22
Applicant: Apple Inc.
Inventor： Berke Cetinoneri , Ioannis Sarkas , Qishan Yu
CPC classification number: G01S13/04 , G01S7/03 , G01S7/024 , G01S13/003
Abstract: Systems, methods, and devices are provided for detecting the presence of an object near an electronic device. A radio frequency (RF) system of an electronic device may include a first circuit that includes one or more transmission paths for transmitting a reference signal external to the electronic device. The RF system may include a second circuit that includes one or more receiving paths for receiving a reflection signal based on the reference signal. The RF system may also include a processor that may instruct the RF system to perform a comparison between the reference signal and the reflection signal, determine whether the object is in proximity based at least in part on whether comparison results exceed a comparison threshold, and decrease power output by the RF system below the comparison threshold.
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