| 摘要 |
PROBLEM TO BE SOLVED: To measure the modulation precision of a TDMA communication system at a base station in an actual operation state and a mobile terminal in a packet communication state. SOLUTION: The device is equipped with a burst signal rise detection part 22 which detects a rise in a burst signal, a burst signal demodulation part 23 which demodulates the signal in the burst by slots from the rise, and a sink word detection part 24 which detects whether or not the signal in the demodulated burst contains a sink word to be measured. Even if one frame has multiple bursts, the sink word detection part 24 detects the word to be measured, so which burst the sink word to be measured is present can be detected, so the modulation precision in the actual operation state can be measured.
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