Electronic Devices with Concurrent Radio-Frequency Transmission and Sensing

    公开(公告)号:US20230008446A1

    公开(公告)日:2023-01-12

    申请号:US17368413

    申请日:2021-07-06

    Applicant: Apple Inc.

    Abstract: An electronic device may include communications circuitry, sensing circuitry, and a set of antennas having first and second feeds for covering different polarizations. The communications circuitry may transmit signals with a first polarization using each of the antennas and may concurrently transmit signals with a second polarization using all but a selected one of the antennas. The sensing circuitry may concurrently transmit sensing signals with the first polarization using one of the antennas and may receive sensing signals with the second polarization using the selected antenna. The sensing signals may include chirp signals generated to include muted periods that correspond to a range of frequencies that overlap frequencies at which the wireless circuitry is subject to radio-frequency interference. This may allow for concurrent wireless communications and sensing operations without interference between the communications circuitry and the sensing circuitry.

    Apparatus and method for Bluetooth scan

    公开(公告)号:US10601429B2

    公开(公告)日:2020-03-24

    申请号:US16031602

    申请日:2018-07-10

    Applicant: Apple Inc.

    Abstract: Methods and systems for substantially simultaneously scan of two or more frequencies using one transceiver are discussed herein. For example, a listening device can include a controller configured to control its transceiver to alternate between two or more frequencies from two or more sets of frequencies. The controller is also configured to capture a portion of a preamble of a received signal to determine whether the received signal is intended for the listening device.

    MIMO transmission using fewer antennas for communication

    公开(公告)号:US11184055B2

    公开(公告)日:2021-11-23

    申请号:US16858273

    申请日:2020-04-24

    Applicant: Apple Inc.

    Abstract: Embodiments are presented herein of apparatuses, systems, and methods for a wireless device to perform multiple-input, multiple-output (MIMO) transmissions using a reduced number of antennas (e.g., a number of transmit antennas that is smaller than a number of layers of the MIMO transmission). The MIMO transmission may communicate multiple streams of data to a second wireless device. The MIMO transmission may further be used for sensing applications, e.g., based on reflection of the MIMO transmission.

    Electronic devices with concurrent radio-frequency transmission and sensing

    公开(公告)号:US12183980B2

    公开(公告)日:2024-12-31

    申请号:US17368413

    申请日:2021-07-06

    Applicant: Apple Inc.

    Abstract: An electronic device may include communications circuitry, sensing circuitry, and a set of antennas having first and second feeds for covering different polarizations. The communications circuitry may transmit signals with a first polarization using each of the antennas and may concurrently transmit signals with a second polarization using all but a selected one of the antennas. The sensing circuitry may concurrently transmit sensing signals with the first polarization using one of the antennas and may receive sensing signals with the second polarization using the selected antenna. The sensing signals may include chirp signals generated to include muted periods that correspond to a range of frequencies that overlap frequencies at which the wireless circuitry is subject to radio-frequency interference. This may allow for concurrent wireless communications and sensing operations without interference between the communications circuitry and the sensing circuitry.

    MIMO transmission using fewer antennas for communication

    公开(公告)号:US20210336658A1

    公开(公告)日:2021-10-28

    申请号:US16858273

    申请日:2020-04-24

    Applicant: Apple Inc.

    Abstract: Embodiments are presented herein of apparatuses, systems, and methods for a wireless device to perform multiple-input, multiple-output (MIMO) transmissions using a reduced number of antennas (e.g., a number of transmit antennas that is smaller than a number of layers of the MIMO transmission). The MIMO transmission may communicate multiple streams of data to a second wireless device. The MIMO transmission may further be used for sensing applications, e.g., based on reflection of the MIMO transmission.

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