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公开(公告)号：US20190137621A1
公开(公告)日：2019-05-09
申请号：US16147100
申请日：2018-09-28
Applicant: Apple Inc.
Inventor： Wuzhou Zhang , Benjamin A. Detwiler , David Benjamin Millman , Jasvinder Singh , Anders M. Holtsberg , Darin Tay
CPC classification number: G01S13/89 , G01S5/0252 , G01S11/06 , H04B17/318
Abstract: Embodiments are disclosed for compressing radio maps of fingerprint-based positioning systems using different compression models. In an embodiment, a method comprises: receiving, by a computing device, access point (AP) data from a plurality of mobile devices operating in a geographic region, the AP data including signal strength measurements of AP signals received at a plurality of reference locations in the geographic region and uncertainty measurements associated with the signal strength measurements; determining a level of accuracy with the first compression model; responsive to the determining, selecting one of the first compression model or a second compression model to compress the AP data, the second compression model being different than the first compression model; compressing the AP data using the selected compression model; and responsive to a request from a mobile device operating in the geographic region, sending a data packet including the compressed AP data to the mobile device.
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公开(公告)号：US20160360380A1
公开(公告)日：2016-12-08
申请号：US14866424
申请日：2015-09-25
Applicant: Apple Inc.
Inventor： Joseph Ding-Jiu Huang , Darin Tay , Robert Mayor , David Benjamin Millman
CPC classification number: H04W4/33 , G01C21/206 , G01S5/0263 , G01S5/0278 , H04W4/043 , H04W24/00 , H04W64/006
Abstract: Methods, systems, and computer program products for correcting in-venue location estimation using structural information are described. A mobile device can use wireless location technologies and dead reckoning to determine an estimated location of the mobile device in a venue. The mobile device can compare the estimated location with a map of the venue. Upon determining that the estimated location conflicts with a structural constraint, the mobile device can adjust the location estimation using the structural information. Adjusting the location estimation can include adjusting a statistical filter that provides estimation of the location and changing a heading of the mobile device used in the dead reckoning.
Abstract translation: 描述了使用结构信息来校正场内位置估计的方法，系统和计算机程序产品。 移动设备可以使用无线定位技术和航位推算来确定移动设备在场地中的估计位置。 移动设备可以将估计的位置与场地的地图进行比较。 在确定估计位置与结构约束相冲突时，移动设备可以使用结构信息来调整位置估计。 调整位置估计可以包括调整统计滤波器，其提供对位置的估计和改变在推算中使用的移动设备的航向。
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公开(公告)号：US20180352379A1
公开(公告)日：2018-12-06
申请号：US15710568
申请日：2017-09-20
Applicant: Apple Inc.
Inventor： Wei Kong , Robert Mayor , Chun-Yuan Yang , Darin Tay
Abstract: A method comprising: receiving a radio map of an indoor venue using survey data collected by a survey device positioned throughout the venue, the radio map including a boundary; obtaining harvest data that correspond to locations that are outside of the boundary; filtering the harvest data; and extending the radio map using the survey data and the filtered harvest data, wherein the extended radio map is defined at least in part by an extension of the boundary.
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公开(公告)号：US09918203B2
公开(公告)日：2018-03-13
申请号：US14866424
申请日：2015-09-25
Applicant: Apple Inc.
Inventor： Joseph Ding-Jiu Huang , Darin Tay , Robert Mayor , David Benjamin Millman
CPC classification number: H04W4/33 , G01C21/206 , G01S5/0263 , G01S5/0278 , H04W4/043 , H04W24/00 , H04W64/006
Abstract: Methods, systems, and computer program products for correcting in-venue location estimation using structural information are described. A mobile device can use wireless location technologies and dead reckoning to determine an estimated location of the mobile device in a venue. The mobile device can compare the estimated location with a map of the venue. Upon determining that the estimated location conflicts with a structural constraint, the mobile device can adjust the location estimation using the structural information. Adjusting the location estimation can include adjusting a statistical filter that provides estimation of the location and changing a heading of the mobile device used in the dead reckoning.
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公开(公告)号：US09838848B2
公开(公告)日：2017-12-05
申请号：US14866769
申请日：2015-09-25
Applicant: Apple Inc.
Inventor： Vitali Lovich , Darin Tay , Robert Mayor , Joseph Ding-Jiu Huang
Abstract: Methods, systems, and computer program product for prefetching location data based on predicted user behavior. A mobile device can request, from a user routine subsystem of the mobile device, a list of locations that a user of the mobile device routinely visits while the user carries the mobile device. The mobile device can determine a cluster of these locations that are within a specified distance between one another. The mobile device can request location data for these locations from a location server, even if the user is not at one of these locations. The location data can include a venue map and a venue location fingerprint. Upon detecting that the user entered a venue at one of these locations, the mobile device can determine a location of the user inside of the venue using the venue location fingerprint. The mobile device can then display the location on a venue map.
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Patent Agency Ranking
公开(公告)号：US20160360377A1
公开(公告)日：2016-12-08
申请号：US14866769
申请日：2015-09-25
Applicant: Apple Inc.
Inventor： Vitali Lovich , Darin Tay , Robert Mayor , Joseph Ding-Jiu Huang
Abstract: Methods, systems, and computer program product for prefetching location data based on predicted user behavior. A mobile device can request, from a user routine subsystem of the mobile device, a list of locations that a user of the mobile device routinely visits while the user carries the mobile device. The mobile device can determine a cluster of these locations that are within a specified distance between one another. The mobile device can request location data for these locations from a location server, even if the user is not at one of these locations. The location data can include a venue map and a venue location fingerprint. Upon detecting that the user entered a venue at one of these locations, the mobile device can determine a location of the user inside of the venue using the venue location fingerprint. The mobile device can then display the location on a venue map.
Abstract translation: 基于预测用户行为预取位置数据的方法，系统和计算机程序产品。 移动设备可以从移动设备的用户例程子系统请求用户携带移动设备时移动设备的用户常规访问的位置列表。 移动设备可以确定彼此之间在指定距离内的这些位置的群集。 移动设备可以从位置服务器请求这些位置的位置数据，即使用户不在这些位置之一。 位置数据可以包括场地图和场地位置指纹。 当检测到用户在这些位置之一进入场地时，移动设备可以使用场所位置指纹来确定场内的用户的位置。 然后，移动设备可以在场地地图上显示位置。
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公开(公告)号：US10979854B2
公开(公告)日：2021-04-13
申请号：US15710568
申请日：2017-09-20
Applicant: Apple Inc.
Inventor： Wei Kong , Robert Mayor , Chun-Yuan Yang , Darin Tay
Abstract: A method comprising: receiving a radio map of an indoor venue using survey data collected by a survey device positioned throughout the venue, the radio map including a boundary; obtaining harvest data that correspond to locations that are outside of the boundary; filtering the harvest data; and extending the radio map using the survey data and the filtered harvest data, wherein the extended radio map is defined at least in part by an extension of the boundary.
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公开(公告)号：US10545231B2
公开(公告)日：2020-01-28
申请号：US16147100
申请日：2018-09-28
Applicant: Apple Inc.
Inventor： Wuzhou Zhang , Benjamin A. Detwiler , David Benjamin Millman , Jasvinder Singh , Anders M. Holtsberg , Darin Tay
IPC: H04W24/00 , G01S13/89 , G01S11/06 , G01S5/02 , H04B17/318
Abstract: Embodiments are disclosed for compressing radio maps of fingerprint-based positioning systems using different compression models. In an embodiment, a method comprises: receiving, by a computing device, access point (AP) data from a plurality of mobile devices operating in a geographic region, the AP data including signal strength measurements of AP signals received at a plurality of reference locations in the geographic region and uncertainty measurements associated with the signal strength measurements; determining a level of accuracy with the first compression model; responsive to the determining, selecting one of the first compression model or a second compression model to compress the AP data, the second compression model being different than the first compression model; compressing the AP data using the selected compression model; and responsive to a request from a mobile device operating in the geographic region, sending a data packet including the compressed AP data to the mobile device.
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公开(公告)号：US20180352585A1
公开(公告)日：2018-12-06
申请号：US15710577
申请日：2017-09-20
Applicant: Apple Inc.
Inventor： Chun-Yuan Yang , Darin Tay , Wei Kong
Abstract: A method comprising: receiving a harvest trace from a mobile device, the harvest trace including a plurality of location fixes each corresponding to a location at a venue, each location fix associated with data including one or more RSSI measurements of one or more wireless signals received from each of a plurality of wireless access points positioned at the venue, the plurality of location fixes including at least two location fixes that have a positional relationship with each other; comparing the data associated with one of the location fixes with data associated with a reference point identified in a radio map of the venue; and updating the radio map of the venue by updating the data associated with the reference point based on the data associated with the one of the location fixes.
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公开(公告)号：US09936342B2
公开(公告)日：2018-04-03
申请号：US14829575
申请日：2015-08-18
Applicant: Apple Inc.
Inventor： Joseph Ding-Jiu Huang , Darin Tay
Abstract: Methods, systems, and computer program product for determining a building floor level are described. A mobile device can use wireless signal sources and location fingerprint data to determine a level of a building floor on which the mobile device is located. The location fingerprint data can include or be associated with a list and a count of wireless signal sources previously detected on each floor. The mobile device can compare the list and count with wireless signal sources detected by the mobile device, and use results of the comparison to configure a statistical filter that determines a location of the mobile device. The mobile device can then determine the location, including a building floor level, using the statistical filter.
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