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Conferences > OFC > 2018 > Tu2I > Tu2I.6

An IF-Free TDM Fronthaul Aggregating Two 128-MIMO Signals with Enhanced Spectral Efficiency Using Baseband Sample Interleaved Gathering

Longsheng Li, Meihua Bi, Yunhao Zhang, Kuo Zhang, Xin Miao, and Weisheng Hu

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Abstract

We demonstrate a novel signal-sample-interleaved-gathering scheme in the TDM-based analog fronthaul, where signal aggregation is completely realized by simple DSP without intermediate-frequency (IF)-conversion. Experiment aggregating two 128-MIMO signals verifies that ~25% signal bandwidth is reduced.

© 2018 The Author(s)

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