7.20 RRC Connection Reconfiguration Sequence (Measurement Control)
36.523-33GPPEvolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC)Part 3: Test suitesRelease 17TSUser Equipment (UE) conformance specification
When an RRC Connection Reconfiguration message contains information to configure measurement gaps at the UE according to TS 36.331 [19] clause 5.5.2.9, the SS needs to be configured accordingly:
IF MeasConfig contains measGapConfig:
1. At T: Send RRC Connection Reconfiguration.
2. At T + 5ms: Configure measurement gaps at the SS.
3. (after step 2) Receive RRC Connection Reconfiguration Complete
ELSE
1. Send RRC Connection Reconfiguration (without scheduling)
2. Receive RRC Connection Reconfiguration Complete.
T in general is set to 100ms in advance of the RRC connection reconfiguration.