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Analysis and Cancellation of Mixed-Numerologies Interference for Massive MIMO-OFDM UL

Abstract : The extremely diverse service requirements is an important challenge for the future generations of wireless communication technologies. As promising solutions, orthogonal frequency division multiplexing (OFDM)-based massive multiple-input multiple-output (MIMO) and mixed numerologies transmission are proposed. This letter investigates the transmission of different users, sharing the same bandwidth while they are associated to different numerologies. A transceiver design which aims to manage the mixed numerology spectrum sharing (SS) transmission is first presented. Then, we analyze the inter-numerology interference (INI) and derive its corresponding theoretical expressions. Based on the derived closed-form expressions, a new INI cancellation scheme is introduced, which efficiently mitigates the INI and enhances the performance of massive MIMO-OFDM uplink systems.
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https://hal.archives-ouvertes.fr/hal-03082323
Contributor : Rafik Zayani Connect in order to contact the contributor
Submitted on : Monday, May 3, 2021 - 4:04:13 PM
Last modification on : Monday, June 7, 2021 - 4:10:15 PM

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Xinying Cheng, Rafik Zayani, Hmaied Shaiek, Daniel Roviras. Analysis and Cancellation of Mixed-Numerologies Interference for Massive MIMO-OFDM UL. IEEE Wireless Communications Letters, IEEE comsoc, 2020, 9 (4), pp.470-474. ⟨10.1109/LWC.2019.2959526⟩. ⟨hal-03082323v2⟩

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