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- W4387350617 abstract "This paper demonstrates the implementation of a space–frequency line coded-orthogonal frequency-division multiplexing (SFLC-OFDM) system. The SFLC-OFDM system utilizes downlink channel state information at the transmitter, which can be obtained from uplink channel estimation under channel reciprocity assumption between uplink-and-downlink channels. However, in practical implementations, channel reciprocity is violated due to the imperfect synchronization and radio frequency chain mismatch between transceivers. To recover the channel reciprocity, frequency-domain signal processing methods are proposed. Furthermore, a low computational complexity single-instruction multiple-data method is implemented to meet the time constraints in real-time operating systems. The experimental results demonstrate that channel reciprocity can be effectively recovered in the implemented SFLC-OFDM system, resulting in practical communication performance regarding the symbol error rate." @default.
- W4387350617 created "2023-10-05" @default.
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- W4387350617 date "2023-01-01" @default.
- W4387350617 modified "2023-10-18" @default.
- W4387350617 title "Single-User SFLC-OFDM System Realization Based on Channel Reciprocity Recovery" @default.
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- W4387350617 doi "https://doi.org/10.1109/access.2023.3321670" @default.
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