A 5-GHz 0.15-mm2 Collision-Avoiding RFID Employing Complementary Pass-Transistor Adiabatic Logic With an Inductively Connected External Antenna in 0.18-μm CMOS
A 5-GHz 0.15-mm2 Collision-Avoiding RFID Employing Complementary Pass-Transistor Adiabatic Logic With an Inductively Connected External Antenna in 0.18-μm CMOS
复制标题
采用互补通晶体管绝热逻辑的 5GHz 0.15mm2 防碰撞 RFID，采用 0.18μm CMOS 中的电感连接外部天线
DOI：
10.1109/lssc.2022.3223079
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发表时间：
2022
期刊：
影响因子：
--
通讯作者：
and T. Kuroda
中科院分区：
文献类型：
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作者：
S. Shibata;R. Miura;Y. Sawabe;K. Shiba;A. Kosuge;M. Hamada;and T. Kuroda
提出了一种低功率、小形状因子和避免碰撞的射频识别（RFID）标签。通过应用互补传输晶体管绝热逻辑（CPAL）和两相时钟，不仅降低了所需的操作功率，而且消除了稳定操作所需的大电容器，这导致减小了芯片尺寸。此外，所使用的外部天线是电感连接的，而不是焊接的，这有助于降低组装成本。提出了一种利用计数器和位移位的碰撞避免系统。结果表明，所提出的RFID是能够通信的两倍远的一个使用传统的绝热逻辑与八分之一的阅读器的发射功率，以及具有整个芯片缩小了94%。还证实，由于碰撞避免系统，避免了三个标签之间的碰撞。
A low power, small form factor, and collision-avoiding radio-frequency identification (RFID) tag is proposed. By applying complementary pass-transistor adiabatic logic (CPAL) and a two-phase clock, not only the required power of operation is lowered but also large capacitors necessary for stable operation are eliminated, which leads to a reduced chip size. Additionally, the external antenna used is inductively connected instead of solder bonded, which contributes to a lower-assembly cost. A collision-avoidance system exploiting counter and bit shift is also proposed. Results show the proposed RFID is capable of communication twice as far as the one using conventional adiabatic logic with one-eighth of the reader’s transmission power, as well as having the whole chip downsized by 94%. It is also confirmed that collisions between three tags are avoided thanks to the collision-avoidance system.