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How many DMRS symbol can be into a slot ?

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How many DMRS symbol can be into a slot ?
posted Jun 23 by Bharat Kumar

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+2 votes

LTE , we have CSRS for pilot signal, but in 5G i have read DMRS is acting as an pilot signal in DL. Can anyone explain how ?

+1 vote

In LTE RACH preamble is transmitted in entire 6RB's and 14 OFDMA symbol.
But in NR RA-RNTI calculation specification shows RA-RNTI= 1 + s_id + 14 × t_id + 14 × 80 × f_id + 14 × 80 × 8 × ul_carrier_id

Where s_id is OFDMA symbol position. 0=<s_id<=14. Does this means preamble can be transmitted any of the 14 OFDMA symbol.

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