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    • 4. 发明授权
    • System and method for proximity detection
    • 接近检测系统和方法
    • US08593277B2
    • 2013-11-26
    • US13424264
    • 2012-03-19
    • Ujjual NathGaurav SharmaWilliam FletcherDouglas MacGlashanBrian Billett
    • Ujjual NathGaurav SharmaWilliam FletcherDouglas MacGlashanBrian Billett
    • G08B1/08
    • G01S5/0252H04W4/023H04W64/00
    • The present invention is for a system and method for determining the proximity of a mobile device to a location without the use of a satellite based or other location awareness system, nor a stationary beacon of any kind. Instead, the mobile device monitors radio frequency broadcast identification codes from nearby mobile devices, and determines if the set of detected identification codes is sufficiently similar to a weighted set of identification codes attributed to specified location. If the calculation of similarity meets the confidence conditions of the system, notification is made that the customer or visitor has arrived. The invention utilizes a combination of confidence interval computation, machine learning, and fault tolerance mechanisms to optimize the success of correctly detecting that the device is near the relevant location.
    • 本发明涉及一种用于在不使用基于卫星或其他位置感知系统以及任何类型的固定信标的情况下确定移动设备与位置的接近度的系统和方法。 相反,移动设备监视来自附近移动设备的射频广播识别码,并且确定检测到的识别码集合是否与归因于指定位置的加密的识别码组相当。 如果相似度的计算符合系统的置信条件,则通知客户或访问者已到达。 本发明利用置信区间计算,机器学习和容错机制的组合来优化正确检测设备在相关位置附近的成功。