E.4 Estimation of frequency offset
36.1043GPPBase Station (BS) radio transmission and receptionEvolved Universal Terrestrial Radio Access (E-UTRA)Release 18TS
The observation period for determining the frequency offset shall be 1 ms.
For 0.37 kHz, the observation period for determining the frequency offset shall be 6 ms.For 2.5 kHz, the observation period for determining the frequency offset shall be 1 ms.