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公开(公告)号：US11879965B2
公开(公告)日：2024-01-23
申请号：US17821251
申请日：2022-08-22
Applicant: Apple Inc.
Inventor： Ayman Naguib , Robert Brumley , Robert Golshan
CPC classification number: G01S13/765 , H04W74/06
Abstract: Methods performed by a first device. The methods include transmitting a first ranging poll to a plurality of second devices, receiving a polling response message from each of at least a first subset of the second devices, determining a propagation delay for each of the received polling response messages and determining a distance to each of the first subset of the second devices based on at least the respective propagation delays. The methods further include receiving a ranging poll from a second device, wherein the ranging poll is one of a multicast transmission or a broadcast transmission, determining a type of response to be transmitted to the second device based on at least a capability of the first device and transmitting a response of the determined type to the second device.
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Patent Agency Ranking
公开(公告)号：US11493621B2
公开(公告)日：2022-11-08
申请号：US16674993
申请日：2019-11-05
Applicant: Apple Inc.
Inventor： Ayman Naguib , Robert Brumley , Robert Golshan
Abstract: Methods performed by a first device. The methods include transmitting a first ranging poll to a plurality of second devices, receiving a polling response message from each of at least a first subset of the second devices, determining a propagation delay for each of the received polling response messages and determining a distance to each of the first subset of the second devices based on at least the respective propagation delays. The methods further include receiving a ranging poll from a second device, wherein the ranging poll is one of a multicast transmission or a broadcast transmission, determining a type of response to be transmitted to the second device based on at least a capability of the first device and transmitting a response of the determined type to the second device.
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公开(公告)号：US12019140B2
公开(公告)日：2024-06-25
申请号：US17805425
申请日：2022-06-03
Applicant: Apple Inc.
Inventor： Benjamin Werner , Merrick McCracken , Robert Brumley
CPC classification number: G01S13/46 , G01S5/0252 , G01S5/0289 , G01S5/10 , H04W64/006 , G01S5/0218 , G01S2013/468
Abstract: A mobile device may receive a plurality of timestamps, wherein the plurality of timestamps indicate sending and receiving time for ranging packets and response packets. The mobile device may calculate a responder turn-around time as a first difference between the second time and the first time. The mobile device may calculate a responding round trip time as a second difference between the second time and the third time. The mobile device may receive from the electronic device an initiator turn-around time and an initiator round trip time. The mobile device may calculate a frequency offset for the wireless protocol using the responder turn-around time, the responding round trip time, the initiator turn-around time, and the initiator round trip time. The mobile device may compare an observed frequency offset to the calculated frequency offset to determine a frequency offset difference and whether it exceeds a threshold, adjusting a ranging measurement.
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公开(公告)号：US20220299621A1
公开(公告)日：2022-09-22
申请号：US17805425
申请日：2022-06-03
Applicant: Apple Inc.
Inventor： Benjamin Werner , Merrick McCracken , Robert Brumley
Abstract: A mobile device may receive a plurality of timestamps, wherein the plurality of timestamps indicate sending and receiving time for ranging packets and response packets. The mobile device may calculate a responder turn-around time as a first difference between the second time and the first time. The mobile device may calculate a responding round trip time as a second difference between the second time and the third time. The mobile device may receive from the electronic device an initiator turn-around time and an initiator round trip time. The mobile device may calculate a frequency offset for the wireless protocol using the responder turn-around time, the responding round trip time, the initiator turn-around time, and the initiator round trip time. The mobile device may compare an observed frequency offset to the calculated frequency offset to determine a frequency offset difference and whether it exceeds a threshold, adjusting a ranging measurement.
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5.发明授权Systems, methods, devices and subassemblies for creating and delivering a GNSS augmentation service 有权用于创建和交付GNSS增强服务的系统，方法，设备和子组件公开(公告)号：US09557422B1
公开(公告)日：2017-01-31
申请号：US14103752
申请日：2013-12-11
Applicant: Apple Inc.
Inventor： Isaac T. Miller , William J. Bencze , Robert Brumley , Brent M. Ledvina
CPC classification number: G01S19/07
Abstract: Systems, methods, devices and subassemblies for creating and delivering a GNSS augmentation service include one or more reference stations for receiving signals transmitted by navigation beacons and an augmentation server coupled to the reference stations. At least one of the reference stations is able to receive at least one of the signals from a low earth orbit satellite. Each of the reference stations determines first navigation observables based on the received signals and transmit information associated with the first navigation observables to the augmentation server. The augmentation server is configured to determine and distribute augmentation information to a receiver. The augmentation information is based on the received information associated with the first navigation observables, locations of the reference stations, and computational models. The distributed augmentation information is usable by the receiver to determine a high-precision position, velocity, and time solution for the receiver based on second navigation observables associated with the receiver.
Abstract translation: 用于创建和传送GNSS增强服务的系统，方法，设备和子组件包括用于接收由导航信标发送的信号的一个或多个参考站和耦合到参考站的增强服务器。 参考站中的至少一个能够从低地球轨道卫星接收至少一个信号。 每个参考站基于接收到的信号确定第一导航观测值，并将与第一导航可观测值相关联的信息发送到增强服务器。 增强服务器被配置为确定并将增强信息分发给接收器。 增强信息基于与第一导航可观测量相关联的接收信息，参考站的位置和计算模型。 接收机可以使用分布式增强信息，以基于与接收机相关联的第二导航观测值确定接收机的高精度位置，速度和时间解。
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公开(公告)号：US20200150261A1
公开(公告)日：2020-05-14
申请号：US16674993
申请日：2019-11-05
Applicant: Apple Inc.
Inventor： Ayman Naguib , Robert Brumley , Robert Golshan
IPC: G01S13/76
Abstract: Methods performed by a first device. The methods include transmitting a first ranging poll to a plurality of second devices, receiving a polling response message from each of at least a first subset of the second devices, determining a propagation delay for each of the received polling response messages and determining a distance to each of the first subset of the second devices based on at least the respective propagation delays. The methods further include receiving a ranging poll from a second device, wherein the ranging poll is one of a multicast transmission or a broadcast transmission, determining a type of response to be transmitted to the second device based on at least a capability of the first device and transmitting a response of the determined type to the second device.
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