5.14 Handling of measurement gaps
38.3213GPPMedium Access Control (MAC) protocol specificationNRRelease 17TS
During an activated measurement gap, the MAC entity shall, on the Serving Cell(s) in the corresponding frequency range of the measurement gap configured by measGapConfig as specified in TS 38.331 [5]:
1> not perform the transmission of HARQ feedback, SR, and CSI;
1> not report SRS;
1> not transmit on UL-SCH except for Msg3 or the MSGA payload as specified in clause 5.4.2.2;
1> if the ra-ResponseWindow or the ra-ContentionResolutionTimer or the msgB-ResponseWindow is running:
2> monitor the PDCCH as specified in clauses 5.1.4 and 5.1.5.
1> else:
2> not monitor the PDCCH;
2> not receive on DL-SCH.