公开(公告)号：US20110292982A1

公开(公告)日：2011-12-01

申请号：US12986438

申请日：2011-01-07

Applicant: Chun-Chin Chen ,  Wei-Tun Peng ,  Li-Rong Wang

Inventor： Chun-Chin Chen ,  Wei-Tun Peng ,  Li-Rong Wang

IPC: H04B17/00

CPC classification number: G01S5/14 ,  G01S11/02 ,  G01S11/06

Abstract: Apparatus for positioning and method for the same are disclosed. The apparatus comprises two transceivers and four time-to-digital converters. The time-to-digital converters compare the phase difference between two signals, one is the crystal oscillation and the other is the phase of the IF (intermediate frequency) signal extracted before ADC receiving by the transceiver. The method comprises the following steps: The first place transmits a first wireless signal by a first transceiver to the second place. The second place then responds a second wireless signal by a second transceiver to the first place. The first phase difference at the first place is then measured by the time-to-digital converter. The second phase difference at the second place is also measured. The distance between the first place and the second place is proportional to one half of the sum of first phase difference and the second phase difference.

Abstract translation: 公开了一种定位装置及其方法。 该装置包括两个收发器和四个时间 - 数字转换器。 时间 - 数字转换器比较两个信号之间的相位差，一个是晶体振荡，另一个是在收发器接收ADC之前提取的IF（中频）信号的相位。 该方法包括以下步骤：第一方通过第一收发器向第二方发送第一无线信号。 第二个地方是第一个收发器响应第二个无线信号。 然后通过时间 - 数字转换器测量第一位置的第一相位差。 也测量第二个相位差。 第一位置和第二位置之间的距离与第一相位差和第二相位差的和的一半成比例。