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Sparse Preamble Design for Polarization Division Multiplexed CO-OFDM/OQAM Channel Estimation

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Academic year: 2021

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Fig. 2. Examples of different preamble patterns for PDM CO-OFDM/OQAM with M = 8 sub-carriers.
Fig. 3. An example of the proposed preamble pattern for SP CE with p 1 = 1, p 2 = 4, N even, and n 0 = 2.
Fig. 4. BER performance of PDM CO-OFDM/OQAM system associated with different channel estimation methods, R s = 10 Gbaud, M = 512, 4-QAM.
Fig. 6. BER performance of PDM CO-OFDM/OQAM system associated with different channel estimation methods, R s = 10 Gbaud, M = 512, 16-QAM.

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