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公开(公告)号：US12176942B2
公开(公告)日：2024-12-24
申请号：US18464349
申请日：2023-09-11
Applicant: Apple Inc.
Inventor： Joachim S. Hammerschmidt , Ersen Ekrem
IPC: H04B1/7163 , H04B1/719
Abstract: Methods, systems, and apparatuses are presented to transmit fragmented communication frames, such as fragmented ultra-wideband (UWB) frames. In some implementations, a communication frame may be divided into a plurality of fragments, and the fragments may be transmitted across a plurality of regulatory test intervals. E.g., each fragment may be transmitted within a mutually-exclusive regulatory test interval. In some implementations, each fragment may be constrained in time and/or transmission power, such that the total energy emitted during transmission of the fragment remains within a maximum energy limit defined for the regulatory test interval, e.g., by a regulatory entity. In some implementations, the sum of the energy emitted during transmission of two or more fragments may exceed the maximum energy limit defined for the regulatory test interval.
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公开(公告)号：US20240045017A1
公开(公告)日：2024-02-08
申请号：US18381029
申请日：2023-10-17
Applicant: APPLE INC.
Inventor： Joachim S. Hammerschmidt , Santhoshkumar Mani , Eren Sasoglu
IPC: G01S5/02 , H04W72/0446 , H04W64/00 , H04B1/713
CPC classification number: G01S5/0284 , H04W72/0446 , H04W64/006 , H04B1/713 , H01Q5/25
Abstract: Techniques are provided for utilizing a hybrid of ultra-wideband (UWB) and narrowband (NB) signaling to provide more efficient operating range and operating efficiency. In one example, a first subsystem of a first device may determine parameter data for a ranging round (e.g., UWB and/or NB-assisted (NBA) UWB multi-millisecond (MMS) ranging), and transmit the parameter data to a second subsystem of the first device. The parameter data may indicate a first time associated with a first time domain for performing ranging. The second subsystem may determine a second time based on the first time, whereby the second time is associated with a second time domain for performing NB signaling (e.g., via a Bluetooth Low Energy (BLE) protocol). The first device may transmit via an NB signal an advertisement packet that indicates the second time. The first device may then initiate the ranging round at the first time.
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公开(公告)号：US20220141076A1
公开(公告)日：2022-05-05
申请号：US17453164
申请日：2021-11-01
Applicant: Apple Inc.
Inventor： Joachim S. Hammerschmidt , Santhoshkumar Mani , Eren Sasoglu
Abstract: Techniques are provided for utilizing a hybrid of ultra-wideband (UWB) and narrowband (NB) signaling to provide more efficient operating range and operating efficiency. For example, a first device may transmit a packet via an NB signal to a second device, whereby the packet comprises information indicating a time period for reception of a plurality of fragments, respectively, via a UWB signal. The first device may then transmit a first fragment of the plurality of fragments to the second device via the UWB signal, whereby the first fragment comprises an intermediary base sequence, the intermediary base sequence being aperiodic and comprising a first set of first sequences and a second set of second sequences. In some embodiments, the intermediary base sequence may contain at least one gap interval that may be used to identify a signature of the link between the first device and the second device.
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公开(公告)号：US20180097521A1
公开(公告)日：2018-04-05
申请号：US15676080
申请日：2017-08-14
Applicant: Apple Inc.
Inventor： Joachim S. Hammerschmidt , Robert G. Lorenz
CPC classification number: H03L7/0893 , H03B5/1243 , H03B5/1265 , H03B2201/025 , H03B2201/0266 , H03C3/0925 , H03C3/0933 , H03C3/095 , H03C3/0958 , H03C3/0991 , H03J2200/10 , H03L7/0805 , H03L7/0996 , H03L7/104 , H03L7/105 , H03L7/18 , H03L7/189 , H03L2207/06
Abstract: A method and apparatus for performing a two-point calibration of a VCO in a PLL is disclosed. The method includes determining a first steady state tuning voltage of the VCO with no modulation voltage applied. Thereafter, an iterative process may be performed wherein a modulation voltage is applied to the VCO (along with the tuning voltage) and a modified divisor is applied to the divider circuit in the feedback loop. During each iteration, after the PLL is settled, the tuning voltage is measured and a difference between the current value and the first value is determined. If the current and first values of the turning voltage are not equal, another iteration may be performed, modifying at least one of the modulation voltage and the divisor, and determining the difference between the current and first values of the tuning voltage.
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公开(公告)号：US20240297758A1
公开(公告)日：2024-09-05
申请号：US18662702
申请日：2024-05-13
Applicant: Apple Inc.
Inventor： Joachim S. Hammerschmidt , Eren Sasoglu , Santhoshkumar Mani
IPC: H04L5/00 , H04L25/02 , H04W72/0446 , H04W72/0453
CPC classification number: H04L5/0048 , H04L5/0092 , H04L5/0098 , H04L25/0212 , H04W72/0446 , H04W72/0453
Abstract: Systems, methods, and computer-readable medium are provided for utilizing a hybrid of ultra-wideband (UWB) and narrowband (NB) signaling to provide more efficient operating range and operating efficiency. For example, a first device may schedule transmission of a packet via a narrowband signal to a second device. The first device may then transmit the packet, whereby the packet conveys synchronization data that is used by the second device to schedule reception of a plurality of fragments, respectively, via an ultra-wideband (UWB) signal. The first device may then schedule and transmit the plurality of segments to the second device via the ultra-wideband signals, each fragment being time-spaced from other fragments of the plurality of fragments by at least a predefined time interval.
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Patent Agency Ranking
公开(公告)号：US12015916B2
公开(公告)日：2024-06-18
申请号：US17453165
申请日：2021-11-01
Applicant: Apple Inc.
Inventor： Joachim S. Hammerschmidt , Santhoshkumar Mani , Eren Sasoglu
IPC: H04W12/06 , H01Q5/25 , H04L25/02 , H04W12/0431
CPC classification number: H04W12/06 , H01Q5/25 , H04L25/0212 , H04W12/0431
Abstract: Techniques are provided for utilizing a hybrid of ultra-wideband (UWB) and narrowband (NB) signaling to provide more efficient operating range and operating efficiency. In one example, a first device may transmit a first packet via an NB signal to a second device, whereby the first packet comprises information indicating to the second device a time period for reception of a second (UWB) packet. In this example, the second packet may comprise a first partition and a second partition, whereby the first partition comprises a first plurality of fragments and the second partition comprising a second plurality of fragments. The respective fragments of each plurality of fragments may be transmitted via a UWB signal. The first device may then transmit the first plurality of fragments, and then subsequently transmit the second plurality of fragments to the second device, the first and second pluralities respectively being associated with different fragment types.
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公开(公告)号：US11991107B2
公开(公告)日：2024-05-21
申请号：US17453166
申请日：2021-11-01
Applicant: Apple Inc.
Inventor： Joachim S. Hammerschmidt , Eren Sasoglu , Santhoshkumar Mani
IPC: H04L5/00 , H04L25/02 , H04W72/0446 , H04W72/0453
CPC classification number: H04L5/0048 , H04L5/0092 , H04L5/0098 , H04L25/0212 , H04W72/0446 , H04W72/0453
Abstract: Systems, methods, and computer-readable medium are provided for utilizing a hybrid of ultra-wideband (UWB) and narrowband (NB) signaling to provide more efficient operating range and operating efficiency. For example, a first device may schedule transmission of a packet via a narrowband signal to a second device. The first device may then transmit the packet, whereby the packet conveys synchronization data that is used by the second device to schedule reception of a plurality of fragments, respectively, via an ultra-wideband (UWB) signal. The first device may then schedule and transmit the plurality of segments to the second device via the ultra-wideband signals, each fragment being time-spaced from other fragments of the plurality of fragments by at least a predefined time interval.
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公开(公告)号：US20220140971A1
公开(公告)日：2022-05-05
申请号：US17453166
申请日：2021-11-01
Applicant: Apple Inc.
Inventor： Joachim S. Hammerschmidt , Eren Sasoglu , Santhoshkumar Mani
Abstract: Systems, methods, and computer-readable medium are provided for utilizing a hybrid of ultra-wideband (UWB) and narrowband (NB) signaling to provide more efficient operating range and operating efficiency. For example, a first device may schedule transmission of a packet via a narrowband signal to a second device. The first device may then transmit the packet, whereby the packet conveys synchronization data that is used by the second device to schedule reception of a plurality of fragments, respectively, via an ultra-wideband (UWB) signal. The first device may then schedule and transmit the plurality of segments to the second device via the ultra-wideband signals, each fragment being time-spaced from other fragments of the plurality of fragments by at least a predefined time interval.
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公开(公告)号：US11043953B2
公开(公告)日：2021-06-22
申请号：US16866445
申请日：2020-05-04
Applicant: Apple Inc.
Inventor： Joachim S. Hammerschmidt , Robert G. Lorenz
Abstract: A method and apparatus for performing a two-point calibration of a VCO in a PLL is disclosed. The method includes determining a first steady state tuning voltage of the VCO with no modulation voltage applied. Thereafter, an iterative process may be performed wherein a modulation voltage is applied to the VCO (along with the tuning voltage) and a modified divisor is applied to the divider circuit in the feedback loop. During each iteration, after the PLL is settled, the tuning voltage is measured and a difference between the current value and the first value is determined. If the current and first values of the turning voltage are not equal, another iteration may be performed, modifying at least one of the modulation voltage and the divisor, and determining the difference between the current and first values of the tuning voltage.
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公开(公告)号：US10944156B2
公开(公告)日：2021-03-09
申请号：US15721532
申请日：2017-09-29
Applicant: Apple Inc.
Inventor： Benjamin A. Cousins , Carlo Di Nallo , Ethan L. Huwe , Jerzy S. Guterman , Joachim S. Hammerschmidt , Mattia Pascolini , Ruben Caballero , Samuel G. Parker
Abstract: An electronic device such as a wireless earbud may have antenna structures that are configured to form one or more antenna portions or antennas for transmitting and receiving wireless signals. The device may include control circuitry that is configured to selectively activate one or more antennas or antenna portions to transmit and receive wireless signals for the device. The device may include sensor circuitry that provide sensor data to the control circuitry. The control circuitry may use the sensor data to select and activate an optimal antenna based on the orientation of the earbud or the environment of the device. The antennas may be formed on opposing sides of a housing for the device. By providing configurable antenna structures, the device may be configured to adapt to the current environment and efficiently perform communications operations.
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