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Conferences > OFC > 2022 > M1C > M1C.5

Mobile 14-GHz Bandwidth Fronthaul Link Supporting 128 RF-Chain Signals for 6G Ma-MIMO Beamforming

Yu-Jen Huang, Guan-Ting Lin, Pin-Hsuan Ting, Zheng-Wei Huang, Shao-Hung Yu, Yi-Jun Cai, Chia-Chien Wei, Sien Chi, and Chun-Ting Lin

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Abstract

We demonstrate fronthual links with delay-division-multiplexing 14-GHz bandwidth 64- QAM OFDM for 128 RF-chain signals. The corresponding CPRI-based capacity is 860.16 Gb/s. With I/Q Volterra nonlinear compensation, EVMs can be improved from 7.5% to 6%.

© 2022 The Author(s)

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Time Synchronization Error Compensation by for Delay-Division-Multiplexing 14-GHz Bandwidth 128 RF-chain Fronthaul Link w/o DDM Deaggregation Synchronization

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