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    • 3. 发明申请
    • AREA RESTRICTED ACCESS SYSTEM, METHOD AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM
    • 区域限制访问系统,方法和非终端计算机可读存储介质
    • US20170006043A1
    • 2017-01-05
    • US15200957
    • 2016-07-01
    • Bin DAWei WANGHaihua YUKe LIAOLinju YANG
    • Bin DAWei WANGHaihua YUKe LIAOLinju YANG
    • H04L29/06G06F17/30H04W12/08H04W4/04
    • H04L63/107G06F16/29G06F21/305G06F21/6209G06F2221/2111H04W4/021H04W12/08H04W84/12
    • An area restricted access system, method, and non-transitory computer-readable storage medium are provided. The system includes an access device and a first service device located in a service area, wherein the access device locates a user device via a first type of wireless signals and obtains a first location parameter. The first service device monitors and locates the user device via a second type of wireless signals and obtains a second location parameter. The area restricted access system generates a modified location parameter based on the first and the second location parameters and determines whether the user device is within or out of the service area based on the modified location parameter. The first service device allows the user device to access the first service device when the user device is within the service area, and forbids the user device to access the first service device when the user device is out of the service area.
    • 提供区域限制访问系统,方法和非暂时性计算机可读存储介质。 该系统包括访问设备和位于服务区域中的第一服务设备,其中接入设备经由第一类型的无线信号定位用户设备并获得第一位置参数。 第一服务设备通过第二类型的无线信号监视和定位用户设备,并获得第二位置参数。 区域限制访问系统基于第一和第二位置参数生成修改的位置参数,并且基于修改的位置参数来确定用户设备是否在服务区域内或外。 第一服务设备允许用户设备在用户设备在服务区域内时访问第一服务设备,并且当用户设备不在服务区域时,禁止用户设备访问第一服务设备。
    • 7. 发明申请
    • DISTANCE ESTIMATION METHOD AND DEVICE AS WELL AS NODE LOCALIZATION METHOD AND APPARATUS
    • 距离估计方法和设备作为节点本地化方法和设备
    • US20160131750A1
    • 2016-05-12
    • US14926514
    • 2015-10-29
    • Xiaomei LuBin DaWei WangLinju YangKe Liao
    • Xiaomei LuBin DaWei WangLinju YangKe Liao
    • G01S11/06
    • G01S11/06G01S5/0215G01S5/0252G01S5/14
    • Disclosed is a method of estimating the distance between two nodes. The method includes obtaining an original real-time strength sequence, its elements being strengths of signals between the two nodes at respective time slots of a first time period; conducting multi-scale transform with respect to the original real-time strength sequence so as to acquire plural real-time strength component sequences which are results of the original real-time strength sequence projected onto plural scales; removing at least one burst noise element in each real-time strength component sequence so as to get plural updated real-time strength component sequences; estimating, based on the plural updated real-time strength component sequences and a multi-scale empirical mapping relationship, an empirical real-time distance, the multi-scale empirical mapping relationship being used for expressing correspondence relations between strength components and distance components; and determining, based on at least the empirical real-time distance, a real-time distance between the two nodes.
    • 公开了一种估计两个节点之间距离的方法。 该方法包括获得原始实时强度序列,其元素是在第一时间段的相应时隙处的两个节点之间的信号的强度; 对原始实时强度序列进行多尺度变换,从而获取作为投影到多个刻度上的原始实时强度序列的结果的多个实时强度分量序列; 去除每个实时强度分量序列中的至少一个突发噪声元素,以获得多个更新的实时强度分量序列; 基于多个更新的实时强度分量序列和多尺度经验映射关系,经验实时距离,用于表示强度分量和距离分量之间的对应关系的多尺度经验映射关系; 并且至少基于经验实时距离确定两个节点之间的实时距离。