| 发明名称 | RFID reader and method for controlling gain thereof | ||
| 摘要 | Provided are an RFID reader and a method for controlling a gain thereof. The RFID reader includes an amplifier and an AGC circuit. The amplifier controls the gain of an RX signal, received from an RFID tag, in response to an AGC signal. The AGC circuit measures a signal level in an ante-preamble period of the RX signal and generates an AGC signal to control the gain of the RX signal, on the basis of the measured signal level. | ||
| 申请公布号 | US8779896(B2) | 申请公布日期 | 2014.07.15 |
| 申请号 | US201012833454 | 申请日期 | 2010.07.09 |
| 申请人 | Electronics and Telecommunications Research Institute | 发明人 | Shin Dong-Beom;Jung Jae-young;Lee Sang Yeoun;Choi Gil Young;Lee Heyung Sub;Chae Jong-Suk |
| 分类号 | H04Q5/22 | 主分类号 | H04Q5/22 |
| 代理机构 | Staas & Halsey LLP | 代理人 | Staas & Halsey LLP |
| 主权项 | 1. A Radio Frequency IDentification (RFID) reader comprising: an amplifier controlling the gain of a receive (RX) signal, received from an RFID tag, in response to an Automatic Gain Control (AGC) signal; and an AGC circuit measuring a signal level in an ante-preamble period of the RX signal during a pilot signal and generating an AGC signal to control the gain of the RX signal, on the basis of the measured signal level. | ||
| 地址 | Daejeon KR | ||