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    • 14. 发明授权
    • Location tracking based on proximity-based ad hoc network
    • 基于邻近特性网络的位置跟踪
    • US08045482B2
    • 2011-10-25
    • US12028422
    • 2008-02-08
    • Marc E. DavisRahul NairJoseph O'SullivanChristopher ParettiChristopher W. HigginsOri Zaltzman
    • Marc E. DavisRahul NairJoseph O'SullivanChristopher ParettiChristopher W. HigginsOri Zaltzman
    • H04W4/00
    • H04W4/02G01S5/0009G01S5/0289H04W64/00H04W84/18
    • A system and method is described for constructing a proximity-based ad hoc network among a plurality of sensors and for using such a network to perform location tracking. The system and method uses time-coded data received from each of the sensors to determine a current proximity of each of the sensors to one or more beacons. Then, by leveraging information relating to the effective transmission ranges of the beacons, the system and method determines the relative location of each of the plurality of sensors with respect to other sensors within the plurality of sensors. Where actual (as opposed to relative) location information is available for a particular sensor, it can be used to generate or augment location information associated with other sensors known to be spatially and temporally proximate to the particular sensor. The current location information for each of the sensors is then used in providing location-based services.
    • 描述了用于在多个传感器之间构建基于邻近度的自组织网络并且使用这样的网络来执行位置跟踪的系统和方法。 系统和方法使用从每个传感器接收的时间编码数据来确定每个传感器到一个或多个信标的当前接近度。 然后,通过利用与信标的有效传输范围有关的信息,系统和方法确定多个传感器中的每一个相对于多个传感器内的其他传感器的相对位置。 在特定传感器的实际(相对于相对)位置信息可用的情况下,其可用于生成或增加与已知在空间和时间上靠近特定传感器的其他传感器相关联的位置信息。 然后,每个传感器的当前位置信息用于提供基于位置的服务。