发明公开
EP3255449A1 ACQUISITION METHOD AND DEVICE OF TIME OF ARRIVAL FOR POSITIONING MOBILE TERMINAL
有权
基本信息:
- 专利标题： ACQUISITION METHOD AND DEVICE OF TIME OF ARRIVAL FOR POSITIONING MOBILE TERMINAL
- 专利标题（中）：移动终端定位到达时间的获取方法和装置
- 申请号：EP15893604.7 申请日：2015-05-29
- 公开(公告)号：EP3255449A1 公开(公告)日：2017-12-13
- 发明人： LI, Yijie , XUE, Jiantao , CUI, Jie , LI, Anjian
- 申请人： HUAWEI TECHNOLOGIES CO., LTD.
- 申请人地址： Huawei Administration Building Bantian, Longgang District Shenzhen Guangdong 518129 CN
- 专利权人： HUAWEI TECHNOLOGIES CO., LTD.
- 当前专利权人： HUAWEI TECHNOLOGIES CO., LTD.
- 当前专利权人地址： Huawei Administration Building Bantian, Longgang District Shenzhen Guangdong 518129 CN
- 代理机构： Epping - Hermann - Fischer
- 国际公布： WO2016191941 20161208
- 主分类号： G01S5/02
- IPC分类号： G01S5/02
摘要：
Embodiments of the present invention disclose a method for obtaining time of arrival TOA when a mobile terminal is located, including: receiving a locating reference signal sent by a locating transmitter; performing time domain related processing on the locating reference signal and a synchronization reference signal sequence to obtain a related spectrum value of a multipath signal component corresponding to a delay value; detecting a channel parameter used when the locating reference signal is received, and generating, according to the channel parameter and a function that progressively decreases with the delay value, a related spectrum threshold that progressively decreases with the delay value; and traversing the delay value in ascending order of the delay value, searching for a first traversed delay value whose related spectrum value of a multipath signal component corresponding to the delay value is greater than a related spectrum threshold corresponding to the delay value, and using the found delay value as TOA for outputting.
摘要（中）：
本发明实施例公开了一种移动终端所处的到达时间TOA的获取方法，包括：接收定位发射机发送的定位参考信号; 对定位参考信号和同步参考信号序列进行时域相关处理，得到延迟值对应的多径信号分量的相关频谱值; 检测接收到所述定位参考信号时使用的信道参数，根据所述信道参数和随所述延迟值递减的函数，生成随所述延迟值递减的相关谱门限; 并按延迟值从小到大的顺序遍历该延迟值，搜索第一遍历延迟值，该延迟值的延迟值对应的多径信号分量的相关频谱值大于该延迟值对应的相关频谱阈值， 发现延迟值作为TOA输出。
公开/授权文献:
IPC结构图谱:
| G | 物理 |
| --G01 | 测量；测试 |
| ----G01S | 无线电定向；无线电导航；采用无线电波测距或测速；采用无线电波的反射或再辐射的定位或存在检测；采用其他波的类似装置 |
| ------G01S5/00 | 通过确定两个或更多个方向或位置线的配合来定位；通过确定两个或更多个距离的配合进行定位 |
| --------G01S5/02 | .应用无线电波 |