Uplink-aided High Mobility Downlink Channel Estimation over Massive MIMO-OTFS System

16 Mar 2020 Liu Yushan Zhang Shun Gao Feifei Ma Jianpeng Wang Xianbin

Although it is often used in the orthogonal frequency division multiplexing (OFDM) systems, application of massive multiple-input multiple-output (MIMO) over the orthogonal time frequency space (OTFS) modulation could suffer from enormous training overhead in high mobility scenarios. In this paper, we propose one uplink-aided high mobility downlink channel estimation scheme for the massive MIMO-OTFS networks... (read more)

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