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A Bi-Directional Multi-Band, Multi-Beam mm-Wave Beamformer for 5G Fiber Wireless Access Networks
Journal of Lightwave Technology ( IF 4.7 ) Pub Date : 2020-12-02 , DOI: 10.1109/jlt.2020.3042052
Min-Yu Huang , You-Wei Chen , Run-Kai Shiu , Hua Wang , Gee-Kung Chang

An autonomous beamformer demonstrates multi-beam and multi-band signal transmission and reception with wide field-of-view (FoV) self-steering beam-tracking/-forming for future extreme broadband and dynamic mm-Wave fronthaul applications operating in 5G new radio (NR) frequencies. The experimental results show the novel autonomous beamformer system covering full FoV beamforming (180°) with a wideband 22–40 GHz home-designed antenna array, demonstrating simultaneously multi-band (24.75 and 37 GHz) signals receiving with enhanced mobile multi-Gb/s transmission. A system testbed is further implemented to achieve a mm-Wave bi-directional link between remote radio unit (RRU) and user equipment (UE) in a fiber-wireless integrated network. A wide FoV autonomous signal sensing for angle-of-arrival (AoA) information in receiver is fed forward for mirror-reversed multi-Gb/s signal transmitting over a 10-km fiber and 0.56-m wireless link, addressing fast-changing complex 5G transceiver alignments. To the best of our knowledge, this is the first demonstration of an integrated autonomous beamformer for mm-Wave multi-beam and multi-band mobile applications in a fiber-wireless integrated radio access network.

中文翻译:

适用于5G光纤无线接入网络的双向多频带,多波束毫米波波束形成器

自主式波束成形器演示了具有宽视场(FoV)自导向波束跟踪/成形功能的多波束和多频带信号传输和接收,适用于在5G新无线电中运行的未来极端宽带和动态毫米波前传应用(NR)频率。实验结果表明,新型的自主波束成形器系统具有完整的FoV波束成形(180°),并具有22-40 GHz宽带家用设计的天线阵列,同时演示了增强移动多Gb / m接收的多频带(24.75和37 GHz)信号的传输。进一步实现了系统测试平台,以实现光纤无线集成网络中远程无线电单元(RRU)与用户设备(UE)之间的毫米波双向链路。前馈针对接收器中到达角(AoA)信息的宽FoV自主信号感应功能,可在10公里的光纤和0.56米的无线链路上传输镜像反向的Gb / s信号,从而解决了快速变化的情况5G收发器对齐。据我们所知,这是首次演示用于光纤无线集成无线电接入网络中毫米波多波束和多频段移动应用的集成自主波束形成器。
更新日期:2021-02-09
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