In networking and communications, the formats, codes and procedures for transmitting a unit of data (frame, packet) from one node to another. Known as a "layer 2 protocol," the data link protocol ...
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As the name implies, the PDCP task is a convergence layer between the actual data protocol in the NAS and the radio access protocols in layer 2 (Figure 7.26). The PDCP itself is an AS protocol. This ...