| 摘要 |
A single side band (SSB) response method of a radio frequency identification (RFID) tag receives a double side band (DSB) response signal whose frequency band is shifted from the RFID tag by shifting an SSB frequency band after transmitting an SSB command signal to an RFID tag. Even though the reader uses the SSB frequency band, the reader can receive a stable DSB response signal from the RFID tag.
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