公开(公告)号：US06289216B1

公开(公告)日：2001-09-11

申请号：US09050888

申请日：1998-03-31

申请人： Kwang-Il Koh ,  Wan-Soo Kim ,  Jin-Soo Park

发明人： Kwang-Il Koh ,  Wan-Soo Kim ,  Jin-Soo Park

IPC分类号： H04B104

CPC分类号： G01R27/06

摘要： A method for measuring a voltage standing wave ratio (VSWR) without another test device for testing a radio unit of a base station in a mobile communications system is disclosed. The method for measuring a standing wave ratio for a transmission antenna in a base station of a mobile communications system, which includes at least one transmission antenna, comprises the steps of: (a) generating a test signal by using a given test terminal included in the base station and transmitting the generated test signal to the transmission antenna; (b) upon the test signal being transmitted to the transmission antenna, measuring the strength of a forward signal and a reflect signal for the transmission antenna; and (c) obtaining the difference between the strength of the forward signal, and the strength of the reflect signal and calculating the standing wave ratio for the transmission antenna by using the difference therebetween. A similar method is employed for measuring the standing wave ratio for a reception antenna. Moreover, in another embodiment, a valuable attenuator is adjusted to make the forward and reflect signals equal, and the adjusted signal is used to calculate the VSWR.

摘要翻译： 公开了一种用于测量移动通信系统中用于测试基站的无线电单元的另一测试装置的电压驻波比（VSWR）的方法。 包括至少一个发送天线的移动通信系统的基站中的发送天线的驻波比的测定方法包括以下步骤：（a）通过使用包含在 并将生成的测试信号发送到发送天线; （b）在测试信号被发送到发射天线时，测量发射天线的正向信号强度和反射信号; 以及（c）通过使用它们之间的差来获得正向信号的强度与反射信号的强度之间的差异，并计算发射天线的驻波比。 采用类似的方法来测量接收天线的驻波比。 此外，在另一个实施例中，调整有价值的衰减器以使正向和反射信号相等，并且使用经调整的信号来计算VSWR。