Patent ID: 11917473
Assignee: NXP USA, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. The modem of claim 11, wherein the modem is configured to determine:
a Time Advance on the Pcell, TAPcell, value, wherein:

TAPCell=tLTE−SFNtick

wherein tLTE comprises the time of receipt of the start of one of the radio frames by the second modem and SFNtick comprises the time of a marker of the network time; and

a Time Advance on the primary 5G Pcell, TANR, value wherein:

TANR=t0−SFNtick

wherein t0 comprises the time of receipt of the start of one of the 5G-NR radio frames from the first timing information and SFNtick comprises the time of the marker of the network time;

a Time Offset TOk between at least one other third base station and the first base station wherein:

TOk=tk−t0 

where t0 comprises the time of receipt of the start of one of the 5G-NR radio frames from the first base station and tk comprises the time of receipt of the start of one of the 5G-NR radio frames from the third base station; and

the second modem is configured to determine the SFTD information comprising one or both of:

TANR−TAPCell in respect of the first base station; and

FBOk=tk−t0−(TAPCell−TANR).