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    • 7. 发明申请
    • LOCATION ESTIMATION BASED ON ADJUSTED DISTANCE VALUES FOR A WIRELESS DEVICE
    • 基于无线设备调整距离值的位置估计
    • US20140243011A1
    • 2014-08-28
    • US13997913
    • 2012-10-12
    • Xiaoyong PanJustin Lipman
    • Xiaoyong PanJustin Lipman
    • H04W4/02
    • H04W4/023G01S5/021G01S5/0252G01S11/06H04W64/00H04W84/22
    • Embodiments of techniques and systems for distance and location estimation in wireless systems are described. In embodiments, a wireless device may receive wireless signals from reference points in a spatial arrangement. The wireless device may identify a closest reference point and generate arrangement-based distance values for each of the reference points based on a propagation model. The wireless device may adjust the propagation model based on the received wireless signals and the arrangement-based distance values, and may generate adjusted distance values using the adjusted propagation model. The wireless device may use the adjusted distance values and the spatial arrangement to estimate the location of the wireless device. Other embodiments may be described and claimed.
    • 描述了无线系统中用于距离和位置估计的技术和系统的实施例。 在实施例中,无线设备可以以空间布置从参考点接收无线信号。 无线设备可以识别最接近的参考点,并且基于传播模型生成每个参考点的基于布置的距离值。 无线设备可以基于接收到的无线信号和基于布置的距离值来调整传播模型,并且可以使用经调整的传播模型来生成调整的距离值。 无线设备可以使用经调整的距离值和空间布置来估计无线设备的位置。 可以描述和要求保护其他实施例。
    • 9. 发明授权
    • Trilateration processing
    • 三边加工
    • US09119040B2
    • 2015-08-25
    • US13997914
    • 2012-07-09
    • Justin LipmanRobert A. ColbySigal Louchheim
    • Justin LipmanRobert A. ColbySigal Louchheim
    • H04W4/04G01S5/14G01S5/02
    • H04W4/04G01S5/021G01S5/0242G01S5/0268G01S5/14
    • Embodiments of the invention address how trilateration processes are affected by physical placement and sub-optimal selection of peer devices (PDs) used to obtain a location of a mobile computing device. Embodiments of the invention describe processes for selecting nearest PDs over further PDs, as received signal strength indicator (RSSI) measurements are more reliable—i.e., said “nearest PDs” provide more accurate distance measurements while improving the probability of finding more intersection points. Embodiments of the invention further describe selecting a physical spread of PDs to help increase the number of intersection points while helping distinction/resolution of the location of the mobile device in both the ‘x’ (longitude) and the ‘y’ (latitude) directions. Embodiments of the invention further enhance trilateration processes by utilizing dampening values for calculated location poll data.
    • 本发明的实施例解决了如何通过用于获得移动计算设备的位置的对等设备(PD)的物理放置和次优选择来影响三边测量过程。 本发明的实施例描述了在接收信号强度指示符(RSSI)测量更可靠的情况下选择最近的PDs的过程,即所述“最近的PD”提供更准确的距离测量,同时提高找到更多交点的可能性。 本发明的实施例还描述了选择PD的物理扩展以帮助增加交叉点数量,同时帮助在“x”(经度)和“y”(纬度)方向上区分/解析移动设备的位置 。 本发明的实施例通过利用计算出的位置轮询数据的衰减值来进一步增强三边测量过程。
    • 10. 发明申请
    • TRILATERATION PROCESSING
    • TRILATERATION加工
    • US20140334463A1
    • 2014-11-13
    • US13997914
    • 2012-07-09
    • Justin LipmanRobert A. ColbySigal Louchheim
    • Justin LipmanRobert A. ColbySigal Louchheim
    • H04W4/04
    • H04W4/04G01S5/021G01S5/0242G01S5/0268G01S5/14
    • Embodiments of the invention address how trilateration processes are affected by physical placement and sub-optimal selection of peer devices (PDs) used to obtain a location of a mobile computing device. Embodiments of the invention describe processes for selecting nearest PDs over further PDs, as received signal strength indicator (RSSI) measurements are more reliable—i.e., said “nearest PDs” provide more accurate distance measurements while improving the probability of finding more intersection points. Embodiments of the invention further describe selecting a physical spread of PDs to help increase the number of intersection points while helping distinction/resolution of the location of the mobile device in both the ‘x’ (longitude) and the ‘y’ (latitude) directions. Embodiments of the invention further enhance trilateration processes by utilizing dampening values for calculated location poll data.
    • 本发明的实施例解决了如何通过用于获得移动计算设备的位置的对等设备(PD)的物理放置和次优选择来影响三边测量过程。 本发明的实施例描述了在接收信号强度指示符(RSSI)测量更可靠的情况下选择最近的PDs的过程,即所述“最近的PD”提供更准确的距离测量,同时提高找到更多交点的可能性。 本发明的实施例还描述了选择PD的物理扩展以帮助增加交叉点数量,同时帮助在“x”(经度)和“y”(纬度)方向上区分/解析移动设备的位置 。 本发明的实施例通过利用计算出的位置轮询数据的衰减值来进一步增强三边测量过程。