A photonics-assisted beamformer for K-band RF antenna arrays
A photonics-assisted beamformer for K-band RF antenna arrays
复制标题
用于 K 波段射频天线阵列的光子辅助波束形成器
DOI：
--
复制
发表时间：
2017
期刊：
影响因子：
--
通讯作者：
A. Koonen
中科院分区：
文献类型：
--
作者：
N. Tessema;A. Trinidad;K. Mekonnen;J. V. van Zantvoort;F. Huijskens;Z. Cao;E. Tangdiongga;A. B. Smolders;A. Koonen
我们提出了一个实验演示的无线电波束形成使用的光学芯片在K波段卫星通信中的应用。通过四个RF信道的相干组合，获得接近12 dB的波束成形增益。结果，多载波数据的传输容量从8-QAM、5.81 Gbps增强到32-QAM、9.68 Gbps。对于4信道波束成形，使用8-QAM数据获得无差错性能（BER<1 E-12）。光学波束形成芯片的调谐通过计算机经由软件接口以电子方式完成。
We present an experimental demonstration of radio beamforming using an optical chip for application in K-band satellite communication. Via coherent combination of four RF channels, close to 12 dB beamforming gain is obtained. As a result, the transmission capacity is enhanced from 8-QAM, 5.81 Gbps to 32-QAM, 9.68 Gbps of multi-carrier data. For 4 channel beamforming, error-free performance (BER<1E-12) is obtained with 8-QAM data. The tuning of the optical beamforming chip is done electronically via a software interface by a computer.