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    • 2. 发明授权
    • Indoor localization of mobile device using labels
    • 使用标签的移动设备的室内本地化
    • US08538442B1
    • 2013-09-17
    • US13160716
    • 2011-06-15
    • Scott EttingerMohammed Waleed KadousAndrew Lookingbill
    • Scott EttingerMohammed Waleed KadousAndrew Lookingbill
    • H04W40/00
    • H04W40/244G01S5/0278
    • To localize a mobile device in an indoor area, labels are positioned at locations throughout the indoor area and signal strength is recorded at the label positions from different wireless network access points that are available in the indoor area. As a user traverses the indoor area with the mobile device, individual label identifiers are entered into the mobile device and the strength of the wireless network signals is recorded at each label position. The sampled wireless network signal strength and the corresponding label identifiers and positions are recorded to generate a mapping that identifies wireless network signal strength at each of the different label positions in the indoor area. The mapping may then be accessed to identify the locations of other mobile device users that subsequently enter the indoor area based on the wireless network signal strength from the different access points detected by the other mobile devices.
    • 为了将移动设备本地化在室内区域中,标签位于室内区域的位置处,并且信号强度被记录在室内区域中可用的不同无线网络接入点的标签位置处。 当用户通过移动设备遍历室内区域时,将各个标签标识符输入到移动设备中,并且在每个标签位置记录无线网络信号的强度。 记录采样的无线网络信号强度和对应的标签标识符和位置,以产生识别室内区域中每个不同标签位置处的无线网络信号强度的映射。 然后可以访问映射,以便基于来自其他移动设备检测到的不同接入点的无线网络信号强度来识别随后进入室内区域的其他移动设备用户的位置。
    • 4. 发明授权
    • Quality control of mapping data
    • 映射数据的质量控制
    • US08504288B2
    • 2013-08-06
    • US13105361
    • 2011-05-11
    • Mohammed Waleed KadousAndrew Lookingbill
    • Mohammed Waleed KadousAndrew Lookingbill
    • G01C21/12H04M11/04H04W24/00
    • G01S1/72G01C21/206G01C21/32G09B29/10G09B29/106H04W4/043
    • Aspects of the disclosure relate to quality control of survey data used to generate and or supplement map information. A device may be walked through an indoor space in order to collect survey data (accelerometer, gyroscope, wireless network identifiers, etc.). The survey data is then transmitted to a server for further processing to identify the path (or the various locations) of the device in the indoor space. The path may be determined by referring to a map of the indoor location and a localization algorithm, for example, a particle filter or least squares optimizer. The path may be compared to other survey data and paths from the same indoor space as well as the map in order to provide an estimate of the quality of the localization produced for the survey data. Low quality survey data may be flagged for further review or used to make changes to the map.
    • 本公开的方面涉及用于生成和/或补充地图信息的勘测数据的质量控制。 为了收集测量数据(加速度计,陀螺仪,无线网络标识符等),设备可以通过室内空间进行。 然后将调查数据发送到服务器进行进一步处理以识别室内空间中设备的路径(或各种位置)。 可以通过参考室内位置的映射和定位算法(例如,粒子滤波器或最小二乘法优化器)来确定路径。 该路径可以与来自相同室内空间以及地图的其他测量数据和路径进行比较,以便提供对测量数据产生的定位质量的估计。 低质量的调查数据可能被标记为进一步审查或用于对地图进行更改。
    • 7. 发明申请
    • QUALITY CONTROL OF MAPPING DATA
    • 映射数据的质量控制
    • US20120290636A1
    • 2012-11-15
    • US13105361
    • 2011-05-11
    • Mohammed Waleed KadousAndrew Lookingbill
    • Mohammed Waleed KadousAndrew Lookingbill
    • G06F15/16
    • G01S1/72G01C21/206G01C21/32G09B29/10G09B29/106H04W4/043
    • Aspects of the disclosure relate to quality control of survey data used to generate and or supplement map information. A device may be walked through an indoor space in order to collect survey data (accelerometer, gyroscope, wireless network identifiers, etc.). The survey data is then transmitted to a server for further processing to identify the path (or the various locations) of the device in the indoor space. The path may be determined by referring to a map of the indoor location and a localization algorithm, for example, a particle filter or least squares optimizer. The path may be compared to other survey data and paths from the same indoor space as well as the map in order to provide an estimate of the quality of the localization produced for the survey data. Low quality survey data may be flagged for further review or used to make changes to the map.
    • 本公开的方面涉及用于生成和/或补充地图信息的勘测数据的质量控制。 为了收集测量数据(加速度计,陀螺仪,无线网络标识符等),设备可以通过室内空间进行。 然后将调查数据发送到服务器进行进一步处理以识别室内空间中设备的路径(或各种位置)。 可以通过参考室内位置的映射和定位算法(例如,粒子滤波器或最小二乘法优化器)来确定路径。 该路径可以与来自相同室内空间以及地图的其他测量数据和路径进行比较,以便提供对测量数据产生的定位质量的估计。 低质量的调查数据可能被标记为进一步审查或用于对地图进行更改。
    • 10. 发明授权
    • Automatically constructing paths
    • 自动构建路径
    • US08412183B1
    • 2013-04-02
    • US13108127
    • 2011-05-16
    • Mohammed Waleed KadousAndrew LookingbillScott Ettinger
    • Mohammed Waleed KadousAndrew LookingbillScott Ettinger
    • H04W24/00
    • G01C21/206
    • Aspects of the present disclosure relate generally to generating reliable data for indoor navigation. More specifically, aspects relate to identifying a route for a person to follow in order to record data such wireless network access location or other beacon signal information and signal strengths for an indoor space. In one example, the pre-defined route may be generated based on a map of the indoor space, a set of predefined walking strategies, an average walking speed, a time limit, and an optimization goal. For example, if a person is able walk at some average speed for a set period of time, a route may be identified which provides a given density of data points (the optimization goal) within the indoor space. The collected data may then used to build a wireless network model of the indoor space for navigation.
    • 本公开的方面通常涉及生成用于室内导航的可靠数据。 更具体地,方面涉及识别人们遵循的路由,以便记录诸如无线网络接入位置或其他信标信号信息和信号强度的室内空间的数据。 在一个示例中,可以基于室内空间的映射,一组预定义的行走策略,平均步行速度,时间限制和优化目标来生成预定义的路线。 例如,如果一个人能够以一定的平均速度行走一段时间,则可以识别在室内空间内提供给定密度的数据点(优化目标)的路线。 然后收集的数据可用于构建用于导航的室内空间的无线网络模型。