| 64 | | * Contains LTE MAC (36-213), RLC (36-322), PDCP (36-323) |
| 65 | | * S1 interfaces for user and control planes of the eNB |
| | 64 | * Contains LTE MAC (36-213), RLC (36-322), PDCP (36-323), and two RRC implementations |
| | 65 | * LLC: establish/control logical links between local devices on a network |
| | 66 | * MAC: control access to the network medium to avoid conflicts |
| | 67 | * Data Framing: responsible for final encapsulation of messages into frames |
| | 68 | * Addressing: label information with a particular destination location |
| | 69 | * Error Detection and Handling |
| | 70 | * S1 interfaces for user and control planes of the eNB, X2 Application Protocol (X2AP), and OAI network driver |