| 摘要 |
<p>The present invention relates to a wireless relay apparatus of a mobile communications system which enables to measure voice quality for each donor antenna and service antenna of a repeater by using an embedded mobile communications modem. According to an embodiment of the present invention, a mobile communications system comprises a donor antenna, a service antenna, a first duplexer connected to the donor antenna, a second duplexer connected to the service antenna, and a downlink signal amplifying unit and an uplink signal amplifying unit which are connected between the first duplexer and the second duplexer, respectively. The wireless relay apparatus comprises: a mobile communications modem; a first coupler connected between the donor antenna and the first duplexer; a second coupler connected between the service antenna and the second duplexer; a switching unit for connecting the mobile communications modem to a selected one of the first coupler and the second coupler; and a control unit for controlling switching of the switching unit and controlling the mobile communications modem to download or upload a specific file from a voice quality measuring server of a mobile communications system via the donor antenna so as to measure voice quality when the specific file is downloaded or uploaded.</p> |
