Section: 6.1.3.4 UE Contention Resolution Identity MAC Control Element
Content: The UE Contention Resolution Identity MAC control element is identified by MAC PDU subheader with LCID as specified in table 6.2.1-1. This control element has a fixed 48-bit size and consists of a single field defined as follows (figure 6.1.3.4-1) - UE Contention Resolution Identity: If this MAC control element is included in response to an uplink CCCH transmission, then this field contains the uplink CCCH SDU if the uplink CCCH SDU is 48 bits long. If the CCCH SDU is longer than 48 bits, this field contains the first 48 bits of the uplink CCCH SDU. If this MAC control element is included in response to an uplink DCCH transmission (i.e. the MAC entity is configured with rach-Skip or rach-SkipSCG), then the MAC entity shall ignore the contents of this field. Figure 6.1.3.4-1: UE Contention Resolution Identity MAC control element