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    • 8. 发明授权
    • System and method to collect and modify calibration data
    • 收集和修改校准数据的系统和方法
    • US08938252B2
    • 2015-01-20
    • US12026372
    • 2008-02-05
    • Martin AllesJohn CarlsonGeorge MaherSelcuk Mazlum
    • Martin AllesJohn CarlsonGeorge MaherSelcuk Mazlum
    • H04W24/00H04W4/02G01S5/02
    • G01S5/021G01S5/0252G01S5/0257H04W4/02
    • A system and method modifies calibration data used to geo-locate a mobile station. Calibration data measured via a calibration data collection device may contain errors due to the physical limitations of the collection device and/or the collection process. Any data collection device may produce some degree of signal degradation or drop-out. Dead reckoning provides a remedy for signal drop-out, however, it often produces data results that may be unsatisfactory to perform an accurate location estimate. To ensure the integrity of the collected calibration data, a data modification and/or data replacement algorithm may be implemented to enhance the accuracy of the collected data. In addition, current collection procedures used to generate a calibration database may be laborious, time-consuming and expensive. Simplifying the test and measurement equipment needed, and the procedures for obtaining calibration data may save time and expenses.
    • 系统和方法修改用于对移动台进行地理定位的校准数据。 通过校准数据收集装置测量的校准数据可能由于收集装置的物理限制和/或收集过程而包含错误。 任何数据采集设备可能会产生一定程度的信号劣化或丢失。 航位推算为信号丢失提供了补救措施,但是,它经常产生可能不能令人满意地执行准确位置估计的数据结果。 为了确保收集的校准数据的完整性,可以实施数据修改和/或数据替换算法以增强收集的数据的准确性。 此外,用于生成校准数据库的当前收集程序可能是费力,耗时且昂贵的。 简化所需的测试和测量设备,以及获取校准数据的程序可节省时间和费用。
    • 10. 发明授权
    • System and method to obtain calibration data using estimation techniques
    • 使用估计技术获得校准数据的系统和方法
    • US08326317B2
    • 2012-12-04
    • US12026364
    • 2008-02-05
    • Martin AllesJohn CarlsonGeorge MaherSelcuk Mazlum
    • Martin AllesJohn CarlsonGeorge MaherSelcuk Mazlum
    • H04W24/00
    • G01S5/021G01S5/0252G01S5/0257H04W4/02
    • A system and method of determining calibration data at non-calibrated location points is disclosed. A mobile station may be geo-located at most locations, if not all locations, within communication range of one or more serving and/or neighboring base stations of a mobile network. Calibration data may be collected and stored in memory via a data collection procedure. Known calibration data for locations proximate to the mobile station may be necessary when attempting to geo-locate the mobile station. A geographical region may be calibrated via a standard calibration data collection procedure, however, various obstacles, such as, buildings, mountains, ponds etc. may inevitably create deficiencies in the calibration data for one or more areas of the region. Certain techniques may be applied to estimate the calibration data of areas that have not been properly calibrated.
    • 公开了一种在非校准位置点确定校准数据的系统和方法。 移动站可以在移动网络的一个或多个服务和/或相邻基站的通信范围内的大多数位置(如果不是全部的位置)处于地理位置。 可以通过数据采集程序收集校准数据并将其存储在存储器中。 当尝试对移动站进行地理定位时,可能需要用于邻近移动站的位置的已知校准数据。 可以通过标准校准数据收集程序来校准地理区域,然而,诸如建筑物,山脉,池塘等各种障碍物可能不可避免地在该区域的一个或多个区域的校准数据中产生缺陷。 可以应用某些技术来估计未正确校准的区域的校准数据。