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Content for TS 38.340 Word version: 18.0.0

1… 4… 5… 6…

5.1 BAP entity handling 5.2 Data transfer 5.2.1 Transmitting operation 5.2.2 Receiving operation 5.3 Flow control 5.4 BH RLF related indications 5.5 Handling of unknown, unforeseen, and erroneous protocol data

5 Procedures p. 11

5.1 BAP entity handling p. 11

5.1.1 BAP entity establishment p. 11

5.1.2 BAP entity release p. 11

5.2 Data transfer p. 11

5.2.1 Transmitting operation p. 11

5.2.1.1 General p. 11

5.2.1.2 BAP routing ID selection p. 11

5.2.1.2.1 BAP routing ID selection at IAB-node p. 11

5.2.1.2.2 BAP routing ID selection at IAB-donor-DU p. 12

5.2.1.3 Routing p. 13

5.2.1.4 Mapping to BH RLC Channel p. 14

5.2.1.4.1 Mapping to BH RLC Channel for BAP Data Packets from collocated BAP entity at IAB-node p. 14

5.2.1.4.2 Mapping to BH RLC Channel for BAP SDUs from upper layers at IAB-node p. 15

5.2.1.4.3 Mapping to BH RLC Channel at IAB-donor-DU p. 16

5.2.2 Receiving operation p. 17

5.3 Flow control p. 18

5.3.1 Flow control feedback p. 18

5.3.1.1 Transmitting operation |R17| p. 18

5.3.1.2 Receiving operation |R17| p. 18

5.3.2 Flow control polling p. 18

5.4 BH RLF related indications p. 19

5.4.1 Transmitting operation p. 19

5.4.2 Receiving operation p. 19

5.5 Handling of unknown, unforeseen, and erroneous protocol data p. 19