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- W3088674237 abstract "For realizing the real-time acquisition of the state information of the double selective sky wave channel with low pilot cost, a sky wave channel estimation scheme based on compressed sensing (CS) theory is proposed in this paper. Combining with the transmission model and sky wave channel model of High-frequency orthogonal frequency division multiplexing (HF OFDM) system, the channel estimation problem is formulated under the framework of compressed sensing. The sparse structure of channel coefficients in transformed domain of double selective sky wave channel is proved. On this basis, the channel coefficients are reconstructed by compressed sensing. Simulation results show that the proposed channel compression sensing method can significantly reduce the pilot overhead and ensure the accuracy of channel reconstruction." @default.
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- W3088674237 date "2020-08-12" @default.
- W3088674237 modified "2023-09-27" @default.
- W3088674237 title "Compressed Sensing of Sky Wave Channel for High-Frequency OFDM System Over High-mobility Environment" @default.
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- W3088674237 doi "https://doi.org/10.1145/3418981.3418992" @default.
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