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Channel estimation strategy for LPWA transmission at low SNR: application to Turbo-FSK

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Academic year: 2021

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Figure

Fig. 1. Transmitter architecture of Turbo-FSK.
Fig. 3. Ambiguity function comparison. Left time ZC sequence as in (1) and right modified ZC frequency sequence as defined in (3)
Fig. 6. AWGN performance of Turbo-FSK with N ⊥ = 32 sub-carriers and N L -PSK, N L = {4, 8, 16, 32}, λ = 4 to reach a PER of 10 −2
Fig. 7. Performance loss introduced by imperfect channel estimation. Payload block length 256bits.

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