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[IEEE 2018 IEEE 5G World Forum (5GWF) - Silicon Valley, CA, USA (2018.7.9-2018.7.11)] 2018 IEEE 5G World Forum (5GWF) - CHRONOS: A Cloud based Hybrid RF-Optical Network Over Synchronous Links
摘要： This paper presents CHRONOS, a Cloud based Hybrid RF-Optical Network Over Synchronous Links. The primary goal of this project is to design, build and maintain a multi-node, heterogeneous, wideband, scalable, hybrid and synchronous Cloud Radio Access Network (Cloud RAN or C-RAN), specifically to support emerging applications requiring both THz-optical and conventional sub-6GHz technologies like Wi-Fi and cellular networks. The novelty of the testbed is in enhancing the core capabilities of C-RAN in multiple directions by integrating synchronous RF and Optical links that is not considered for contemporary C-RAN deployments. The long term goal of this project is to utilize the testbed to enable practical research in wireless and optical communication with emphasis on new hardware and software architecture for signal processing. In this paper, we present the design, implementation and initial results of CHRONOS, in an indoor setting, with a clear path to a scalable and real-time network. Our results show synchronous reception across multiple edge nodes while achieving an aggregate bandwidth of 108Mbps using 20MHz OFDM waveform in each RF and optical paths.
关键词： CHRONOS,Cloud RAN,sub-6GHz,THz-optical,Synchronous Links,cellular networks,RF-Optical Network,Wi-Fi
更新于2025-09-09 09:28:46
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[IEEE 2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT) - Chengdu, China (2018.5.7-2018.5.11)] 2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT) - Hybrid 12-Antenna Array for Quad-Band 5G/Sub-6GHz MIMO in Micro Wireless Access Points
摘要： In this paper, a 12-port 5G multiple-input multiple-output (MIMO) antenna array for micro wireless access points is studied. By integrating four F-shaped open slot antennas and eight F-shaped electric antennas, the proposed antenna array supports 4 × 4 MIMO in the LTE bands 42/43 (3.4–3.8 GHz), and 8 × 8 MIMO in the 4.9-GHz band/LTE band 46 (4.8–5.925 GHz). In the operation bandwidth, high total efficiency (> 70%), apparent radiation diversity characteristic and low envelope correlation coefficient (ECC, < 0.01) are obtained.
关键词： sub-6GHz,LTE bands,antenna array,5G,MIMO
更新于2025-09-04 15:30:14