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IEEE/ICACT20230246 Question.4 Questioner: lyh12208@163.com 2023-02-20 오후 7:09:02	IEEE/ICACT20230246 Answer.4 Answer by Auhor hbw017@mail.sdu.edu.cn 2023-02-20 오후 7:09:02
What are the pilot symbols and data symbols in OMP and what are their differences?	Hello, thank you for your question. In the OMP channel estimation of the OTFS system, you need to insert pilots into the input data x in the DD domain to obtain the pre-estimation matrix. The data symbol represents the signal in DD domain, and the pilot represents the signal used for channel estimation.

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