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- W4288348061 abstract "High-mobility wireless communications have been receiving a lot attentions. In this paper, we consider the highmobility uplink transmission from a high-speed terminal (HST) to a base station (BS). We propose two transmit diversity schemes for high-mobility massive communications with angle domain Doppler compensation. In the first scheme, we propose the idea of block-wise angle domain Doppler compensation, such that the uplink equivalent channel would exhibit the feature of nearly perfect independent block fading. The signal space diversity encoding technique is then exploited to achieve transmit diversity. In the second scheme, the multiple parallel beamformers with Doppler compensation are exclusively occupied to transmit multiple orthogonal space-time block coding (OSTBC) data streams. Both analysis and numerical results verify that both the proposed schemes can achieve transmit diversity and outperform the conventional scheme." @default.
- W4288348061 created "2022-07-29" @default.
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- W4288348061 date "2019-05-24" @default.
- W4288348061 modified "2023-10-18" @default.
- W4288348061 title "High-Mobility Massive MIMO Communications:Doppler Compensation and Transmit Diversity" @default.
- W4288348061 doi "https://doi.org/10.48550/arxiv.1905.10058" @default.
- W4288348061 hasPublicationYear "2019" @default.
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