Transmitter Architectures Based on Near-Field Direct Antenna Modulation
Transmitter Architectures Based on Near-Field Direct Antenna Modulation
复制标题
DOI：
10.1109/jssc.2008.2004864
复制
发表时间：
2008-12-01
影响因子：
5.4
通讯作者：
Hajimiri, Ali
中科院分区：
文献类型：
--
作者：
Babakhani, Aydin;Rutledge, David B.;Hajimiri, Ali
引入了近场直接天线调制 (NFDAM) 技术，其中辐射的远场信号通过天线近场电磁 (EM) 边界条件的时变变化进行调制。这使得发射器能够以方向相关的方式发送数据，从而产生安全的通信链路。近场直接天线调制 (NFDAM) 可以通过使用开关或变容二极管来执行。两个完全集成的概念验证 NFDAM 发射器使用开关和变容二极管在 60 GHz 下运行，并在硅片中进行了演示，证明了这种方法的可行性。
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.