Transmitter Architectures Based on Near-Field Direct Antenna Modulation

被引：168
作者：
Babakhani, Aydin [1 ]
Rutledge, David B. [1 ]
Hajimiri, Ali [1 ]
机构：
[1] CALTECH, Dept Elect Engn, Pasadena, CA 91125 USA
来源：
IEEE JOURNAL OF SOLID-STATE CIRCUITS | 2008年 / 43卷 / 12期
关键词：
BiCMOS; CMOS switch; dielectric lens; dipole; integrated antennas; integrated circuits; modulation; phased-array; reflector; secure communication; silicon Germanium; surface-wave; transmitter; varactor;
D O I：
10.1109/JSSC.2008.2004864
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 near-field direct antenna modulation (NFDAM) technique is introduced, where the radiated far-field signal is modulated by time-varying changes in the antenna near-field electromagnetic (EM) boundary conditions. This enables the transmitter to send data in a direction-dependent fashion producing a secure communication link. Near-field direct antenna modulation (NFDAM) can be performed by using either switches or varactors. Two fully-integrated proof-of-concept NFDAM transmitters operating at 60 GHz using switches and varactors are demonstrated in silicon proving the feasibility of this approach.
引用
收藏
页码：2674 / 2692
页数：19
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