name: PTAG
full_form: Primary Timing Advance Group
context: The UE shall be capable of handling at least a relative transmission timing difference between slot timing of all pairs of TAGs in FR1 and/or FR2-1 as shown in Table 7.5.4-1, provided that the UE is: - configured with the pTAG and the sTAG for inter-band NR carrier aggregation in SA or NR-DC mode, or - configured with more than one sTAG for inter-band NR carrier aggregation in EN-DC or NE-DC mode. The UE shall be capable of handling at least a relative transmission timing difference between subframe timing of all pairs of TAGs between FR1 and FR2-2 as shown in Table 7.5.4-1, provided that the UE is: - configured with the pTAG and the sTAG for inter-band NR carrier aggregation in SA or NR-DC mode. For FR1 intra-band non-contiguous NR carrier aggregation, the UE shall be capable of handling at least a relative transmission timing difference as shown in Table 7.5.4-1, between slot timing of all FR1 pairs of TAGs provided that UE indicates that it is capable of
description: The Primary Timing Advance Group (PTAG) is a group within NR carrier aggregation used to manage relative transmission timing differences between slot timings of different TAGs.
explanation: PTAG is described as a concept related to handling timing differences in NR carrier aggregation, making it a specific term within telecommunications rather than a protocol, interface, or service.
section_title: 7.5.4Minimum Requirements for NR Carrier Aggregation
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