研究生: |
柯宜欣 Yi-Hsin Ko |
---|---|
論文名稱: |
工作於UHF之高效率被動式CMOS RFID Tag A Highly Efficient UHF Passive CMOS RFID Tag |
指導教授: |
姚嘉瑜
Chia-Yu Yao |
口試委員: |
呂學坤
Shyue-Kung Lu 陳筱青 Hsiao-Chin Chen |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電機工程系 Department of Electrical Engineering |
論文出版年: | 2011 |
畢業學年度: | 99 |
語文別: | 中文 |
論文頁數: | 65 |
中文關鍵詞: | 被動式UHF RFID Tag 、self-timing PIE symbol 、FM0 symbol 、倍壓器 |
外文關鍵詞: | passive UHF RFID Tag, self-timing PIE symbol, FM0 symbol, decoder, voltage doubler |
相關次數: | 點閱:309 下載:2 |
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本論文是一個工作於UHF頻段的15-bit被動式RFID Tag,主要是應用於RFID室內定位系統。系統運作於兩組頻率:使用2.45GHz的連續波做為電路充電及提供Tag反散射用;另一組使用925MHz或866.4MHz的頻率,傳送含資料調變的訊號給Tag判斷及編碼。在應用上,為了使定位系統使用在更大的空間中,本論文的重點著重於極低讀取功率的RFID Tag。在電路架構中省去了較耗電的穩壓器及震盪器,做出最低讀取功率為-23dBm的RFID Tag。由於PIE symbol為self-timing的訊號,本論文提出了新的解碼方式,將PIE symbol解碼為binary訊號。本論文利用台積電TSMC 0.18μm 1P6M CMOS製程來實現,由Full-Custom設計流程來完成。
This thesis presents an UHF passive radio-frequency-identification (RFID) tag chip. This tag is applicated in RFID indoor localization system. The system operates at dual bands: the 2.45GHz continue wave for charge the tag and backscattering the RF data to the Reader; the other band, 925MHz or 866.4MHz for receiving and decoding the modulated signal. For the indoor localization system, this thesis designs a low power consumption RFID Tag. We remove the regulator and the oscillator, which are known to consume a large amount of power. The lowest RF power that our Tag can work is -23dBm. Since the PIE symbol is self-timing, this thesis presents a new method to decode PIE symbols to binary codes. The proposed RFID tag is designd in TSMC 0.18μm 1P6M CMOS process in Full-Custom design flow.
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