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te PDP Context Accept NAS層信令( PS) UE 做被叫 UE 做主叫 Copyright 169。 2023 Huawei Technologies Co., Ltd. All rights reserved. Page 45 NodeB UE CN RNC RAB Ass Req AAL2 Setup Req AAL2 Setup Rep RB Setup RB Setup Complete RAB Ass Rep RRC RRC NBAP NBAP FP FP NBAP RANAP NBAP NBAP FP FP RRC NBAP RRC RANAP RANAP RANAP RL Recfg Prep RL Recfg Ready AAL2 Setup Req AAL2 Setup Rep DL Sync UL Sync RL Recfg Commit RAB承載通道建立流程 Copyright 169。 2023 Huawei Technologies Co., Ltd. All rights reserved. Page 46 UE to UE (1) O r i U ET e r U EN o d e B 1N o d e B 2R N C 1C NR N C 21 . R R C C o n n e c t S e t u p R e q2 . R L S e t u p R e q3 . R L S e t u p R s p4 . A A L 2 S e t u p R e q5 . A A L 2 S e t u p R s p6. DL S yn c7 . U L S y n c8 . R R C C o n n e c t S e t u p9 . R R C C o n n e c t S e t u p C m p1 0 . I n i t i a l D T11.Init UE(CM Service Req)1 2 . D T ( A u t h e n t i c a R e q )1 5 . D T ( A u t h e n t i c a R s p )1 3 . D L D T1 4 . U L D TR A N A PR R CR R CN B A PN B A PN B A PN B A PQ . A A L 2Q . A A L 2Q . A A L 2Q . A A L 2F PF PF PF PR R CR R CR R CR R CR R CR R CR A N A PR A N A P R A N A PR R C R R CR R CR R CR A N A P R A N A PCopyright 169。 2023 Huawei Technologies Co., Ltd. All rights reserved. Page 47 UE to UE (2) O r i U ET e r U EN o d e B 1N o d e B 2R N C 1 C NR N C 22 2 . D T ( C a l l S e t u p )2 6 . P a g i n g2 8 . P a g i n g t y p e 13 0 . R R C C o n n S e t u p R e q3 3 . R L S e t u p R s p3 1 . R L S e t u p R e q3 6 . A A L 2 S e t u p R s p3 4 . A A L 2 S e t u p R e q1 6 . C o m m o n I D1 7 . S e c M o d C m d2 0 . S e c M o d C m p2 1 . U L D T18.Sec Mod Cmd1 9 . S e c M o d C m p2 4 . D L D T2 3 . D T ( C a l l P r o c c e d i n g )2 5 . R A B A s s R e q32.RL Recfg Prep3 5 . R L R e c f g R e a d y2 7 . A A L 2 S e t u p R e q2 9 . A A L 2 S e t u p R s pI U A A L 2 m a y b e e s t a b l i s h e d l a t e r注 1 : 協(xié) 議 規(guī) 定 如 果 發(fā)起 安 全 模 式 , C N 不 回應(yīng) C M S e r v i c e R e q早 指 配 : 在 C C 層 通 信 建 立 后 馬 上 進(jìn) 行 業(yè) 務(wù) 指 派晚 指 配 : 在 收 到 A l e r t i n g 后 才 進(jìn) 行 業(yè) 務(wù) 指 派R A N A PR A N A P R A N A PR R CR R CR R C R R CR A N A P R A N A PR R C R R CR A N A P R A N A PR A N A P R A N A PR R CR R CR A N A P R A N A PR A N A P R A N A PR R C R R CQ . A A L 2 Q . A A L 2Q . A A L 2 Q . A A L 2R R C R R CN B A PN B A PN B A P N B A PN B A P N B A PN B A P N B A PQ . A A L 2 Q . A A L 2Q . A A L 2 Q . A A L 2R A N A PCopyright 169。 2023 Huawei Technologies Co., Ltd. All rights reserved. Page 48 UE to UE (3) O r i U ET e r U EN o d e B 1N o d e B 2R N C 1 C NR N C 23 8 . D L S y n c40.UL Sync4 2 . R R C C o n n S e t u p C m p4 1. R RC Co n n S et u p 4 5 . I n i t i a l D T4 6 . I n i t U E ( P a g i n g R s p )56.Sec mod cmd5 7 . S e c m o d c m d5 8 . S e c m o d c m p54.UL DT(Authent Rsp)4 7 . D T ( A u t h e n t R e q )4 9 . D L D T5 0 . U L D T5 5 . C o m m o n I D6 0 . D T ( S e t u p )5 9 . S e c m o d c m p6 1 . D L D T6 3 . C a l l C o n f i r m6 2 . U L D T37.AAL2 Setup Req39.AAL2 Setup Rsp4 3 . D L S y n c4 4 . U L S y n c51.RL Recfg Commit4 8 . R B S e t u p5 2 . R B S e t u p C o m p l e t e53.RAB Ass RspR R C R R CR R C R R CR A N A PR A N A PR A N A PF PF PF PF PQ . A A L 2Q . A A L 2N B A PN B A PR A N A PR A N A PR R CR A N A PR R C R R CR R CQ . A A L 2Q . A A L 2R R CR A N A PR A N A PR A N A PR A N A PR R CR R CR R CR R C R R CR R CR R CR A N A PR R C R R CR A N A PR A N A P R A N A PR A N A PR A N A PR A N A PR R CR R CR R C R R CF PF PF PF PR A N A PCopyright 169。 2023 Huawei Technologies Co., Ltd. All rights reserved. Page 49 O r i U E T e r U EN o d e B 1 N o d e B 2R N C 1 C N R N C 2R A N A P R A N A P6 4 . R A B A s s R e qN B A PN B A P7 0 . R L R e c f g R e a d yN B A PN B A P6 9 . R L R e c f g P r e pQ . A A L 2Q . A A L 27 2 . A A L 2 S e t u p R s pQ . A A L 2 Q . A A L 271.AAL2 Setup ReqF PF P7 3 . D L S y n cF PF P7 4. UL S yn cR R CR R C7 5. RB S et upQ . A A L 2Q . A A L 26 5. AA L2 S et up R eqQ . A A L 2 Q . A A L 26 6 . A A L 2 S e t u p C o n fF PF P6 7. DL S yn cF PF P6 8 . U L S y n cUE to UE (4) Copyright 169。 2023 Huawei Technologies Co., Ltd. All rights reserved. Page 50 O r i U E T e r U EN o d e B 1 N o d e B 2R N C 1 C N R N C 2N B A PN B A P76.RL Rcfg CommitR R CR R C77 .RB Setup CompleteR A N A P R A N A P7 8 . R A B A s s R s pR R CR R C7 9 . UL D TR A N A PR A N A P