name: MAC-I
full_form: Message Authentication Code for Integrity
context: of SDU6 in consecutive MAC-i PDUs. SS = 10, and MAC-is PDU4 containing first segment of SDU6. SS = 11, and MAC-is PDUs containing the middle segments of SDU6. SS = 01, and MAC-is PDU containing the last segment of SDU6. All MAC-is PDUs should have sequential sequence numbers starting from TSN = 3 for MAC-is PDU4 Expected sequence 7.1.7.2.5 Test requirements a) In step 6, UE loop backs RLC SDU1 and first segment of RLC SDU2 in MAC-i PDU. b) In step 7, UE loop backs the final segment of RLC SDU2 in MAC-i PDU. c) In step 12, UE loops back RLC SDU3, SDU4, SDU5 in a single MAC-i PDU. d) In step 16, UE loops back RLC SDU6 in several TTIs. In the first MAC-i PDU has SS = 10, containing the first segment of SDU6, the succeeding MAC-i PDUs contain the middle segments of SDU6, SS = 11 and the final MAC-i PDU contains the final segment of SDU6, SS = 01.
description: MAC-I (Message Authentication Code for Integrity) is a type of message used in telecommunications to ensure the integrity of data being transmitted. It is used to authenticate and verify the correctness of messages exchanged between network components.
explanation: The text describes MAC-I as a mechanism for ensuring message integrity, specifically in the context of verifying the correctness of messages exchanged between network components. This aligns with the definition of a Message Authentication Code, which is designed to protect data integrity during transmission.
section_title: 7.1.7.2MAC-i/is segmentation / Correct Usage of Segmentation Status Field
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biotag_Description: B-Parameter,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O