【正文】 e L o c a t i o n 7g. U pda t e L o c a t i o n A c k 7e . In s e r t S ub s c r i b e r D a t a 7f . In s e r t S ub s c r i b e r D a t a A c k 6d. In s e r t S ub s c r i b e r D a t a 6c . Ca n c e l L o c a t i o n A c k 6b . Ca n c e l L o c a t i o n 3. Ide n t i t y R e s po n s e 2. Ide n t i f i c a t i o n R e s po n s e 2. Ide n t i f i c a t i o n R e que s t 1. A t t a c h R e que s t 5. IM E I Ch e c k 3. Ide n t i t y R e que s t 4. A ut h e n t i c a t i o n 6a . U pda t e L o c a t i o n 7a . L o c a t i o n U pda t e R e que s t 7h . L o c a t i o n U pda t e A c c e pt 6f . U pda t e L o c a t i o n A c k 6e . In s e r t S ub s c r i b e r D a t a A c kMS B S S n e w S G S N o l d S G S N G G S N H L RE IRo l dM S C/ V L Rn e wM S C/ V L R 9. A t t a c h Co m pl e t e 8. A t t a c h A c c e pt 10. T M S I R e a l l o c a t i o n Co m pl e t eDetach信令流程 3. I M S I Det a ch I nd icatio n 2. Delete P DP Con tex t Re s p on s e 1. Detac h Re qu es t 2. Delete P DP Con tex t Re qu es t 5. Detac h Acc ep tMS BSS GGS NS GS N M S C /VL R 4. GP RS Detac h I nd icatio n 手機(jī)發(fā)起 2 . Delete PD P C o n tex t R es p o n s e 1 . Detach R eq u es t 2 . Delete PD P C o n tex t R eq u es t 4 . Detach Acce p tMS B S S GGS NS GS N MSC /VLR 3 . GP R S Detach I n d icati o nSGSN發(fā)起 H L RMS B S S G G S NS G S N M S C/ V L R 3. D e l e t e P D P Co n t e xt R e que s t 1. Ca n c e l L o c a t i o n 4. G P R S D e t a c h In di c a t i o n 2. D e t a c h R e que s t 6. Ca n c e l L o c a t i o n A c k 3. D e l e t e P D P Co n t e xt R e s po n s e 5. D e t a c h A c c e ptHLR發(fā)起 位置管理 ? 小區(qū)更新：小區(qū)標(biāo)識(shí)改變而路由區(qū)標(biāo)識(shí)未改變 ? 路由區(qū)更新：路由區(qū)標(biāo)識(shí)改變 ? SGSN內(nèi)的路由區(qū)更新 ? 跨 SGSN的路由更新 ? 聯(lián)合路由區(qū) /位置區(qū)更新 ? SGSN內(nèi)的聯(lián)合 RA/LA更新 ? 跨 SGSN的 RA/LA更新 ? 周期性位置更新 1. Routing Area Update Request 3. Routing Area Update Accept 2. Security Functions MS BSS SGSN 4. Routing Area Update Complete 路由更新流程（ Intra SGSN） MS BSS new SGSN HLR GGSN old SGSN MSC/VLR 2. SGSN Context Response 4. Security Functions 1. Routing Area Update Request 2. SGSN Context Request 5. Update PDP Context Request 5. Update PDP Context Response 6. Update Location 9. Update Location Ack 11. Routing Area Update Accept 10. Location Updating Request 10. Location Updating Accept 7. Cancel Location 7. Cancel Location Ack 8. Insert Subscriber Data Ack 8. Insert Subscriber Data 12. Routing Area Update Complete 3. Forward Packets 路由更新流程（ Inter SGSN） 1 2 b . C a n c e l L o c a ti o n 1 2 c . C a n c e l L o c a ti o n A c k 1 2 d . I n s e r t Su b s c r i b e r D a ta 1 6 . T M SI R e a l l o c a ti o n C o m p l e te 1 2 f . U p d a te L o c a ti o n A c k 1 3 . L o c a ti o n U p d a te A c c e p t 1 5 . R o u te i n g A r e a U p d a te C o m p l e te 1 4 . R o u te i n g A r e a U p d a te A c c e p t 8 . C a n c e l L o c a ti o n 8 . C a n c e l L o c a ti o n A c k 6 . U p d a te PDP C o n te x t R e s p o n s e 6 . U p d a te PDP C o n te x