A Low-Energy Inductive Coupling Transceiver With Cm-Range 50-Mbps Data Communication in Mobile Device Applications

被引：20

作者：

Lee, Seulki ^{[1
]}

Song, Kiseok ^{[1
]}

Yoo, Jerald ^{[2
,3
]}

Yoo, Hoi-Jun ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea

[2] Masdar Inst, Abu Dhabi, U Arab Emirates

[3] MIT, Microsyst Technol Labs, Cambridge, MA 02139 USA

来源：

IEEE JOURNAL OF SOLID-STATE CIRCUITS | 2010年 / 45卷 / 11期

关键词：

Inductive coupling; low-power transceiver; mobile device communication; short-range wireless communication;

D O I：

10.1109/JSSC.2010.2065850

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A low-energy inductive coupling transceiver is proposed for Cm-range multimedia data transmission in mobile device applications. The Transmission Time Control (TTC) scheme is proposed to reduce the transmitter energy consumption to 0.475 pJ/b, and the Adaptive Gain Control (AGC) scheme is adopted to make the receiver energy consumption be 0.825 pJ/b. The planar-type inductor with self-resonance frequency of about 200 MHz fabricated on the flexible substrate achieves a data rate over 50 Mbps. To compensate for the weakly coupled channel, the receiver sensitivity is enhanced by the differential detection method (DDM) of the nodal voltages across the receiver inductor. With this method, the communication distance is increased up to 7 cm, and channel misalignment tolerance is enhanced up to 2 cm. The proposed transceiver is implemented within 1.5 x 2.37 mm(2) in 0.18-mu m CMOS process and operates with 1-V supply.

引用

页码：2366 / 2374

页数：9

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