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- W2971788892 abstract "Filter bank multicarrier with offset quadrature amplitude modulation (FBMC-OQAM) can achieve very low out-of-band radiation and is considered to be an important candidate waveform for future communication networks. However, the synchronization sequence design and channel estimation issues are complicated in FBMC-OQAM systems owing to the pulses overlap and the intrinsic interference. In this paper, we propose a new training sequence pattern with a high bandwidth efficiency. A pilot symbol and two auxiliary data symbols are used to generate a conjugate symmetric sequence in the time domain while protecting the pilots from the intrinsic interference. Thus, channel estimation can be performed directly by the pilots, and an auto-correlation symbol timing algorithm is introduced by exploiting the conjugate symmetry property. In addition, a pulse tail truncation method is proposed to improve the bandwidth efficiency for burst-mode transmission. Finally, some numerical simulation results are presented to validate the proposed symbol timing, channel estimation, and truncation methods in various scenarios." @default.
- W2971788892 created "2019-09-12" @default.
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- W2971788892 date "2019-01-01" @default.
- W2971788892 modified "2023-10-15" @default.
- W2971788892 title "Joint Symbol Timing and Channel Estimation for FBMC-OQAM Systems" @default.
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- W2971788892 doi "https://doi.org/10.1109/access.2019.2939383" @default.
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