| 摘要 |
A control unit outputs control information including time setting information for atransition test of a connection state of a mobile communication terminal of a cellular system. In accordance with the control information, a transmission/reception unit generates a plurality of test signals including predetermined messages to a plurality of cells, and varies them in accordance with a scheduled time passage to transmit them to the terminal and receive response signals including predetermined messages from the terminal. A measurement unit measures time domain waveforms of the response signals, and an acquiring unit acquires and stores messages and radio-communication time information when the messages are exchanged. A display unit displays graphs indicating measured results of the waveforms and a predetermined number of radio-communication markers indicating points in radio-communication time corresponding to the time information by a graphic display capable of simultaneously comparing at both sides of the same comparing time base.
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