ÎĵµÃû³Æ ÎĵµÃܼ¶
¸ÃƪÎÄÕÂÊDZ¾È˶Ô23401ÐÒéµÄ×ܽᣬÆäÖаüº¬Á˶ÔÔÎĵķÒë¡¢¸öÈËÀí½â¼°ÔĶÁÐĵã¬Ï£ÍûÄܹ»¶Ô³õѧ´ËÐÒéµÄͬÊÂÓÐËù°ïÖú¡£ÓÉÓÚ¶ÁÐÒéʱ¼ä²»³¤£¬Àí½âÉÐdz£¬´æÔÚÀí½â´íÎóÖ®´¦£¬»¶ÓÅúÆÀÖ¸Õý¡£
Notes£º
£±£® HandoverÁ÷³Ì·ÒëÁËInter-eNodeB Handover.¶ø¶Ô½ÓÈë¼¼Êõ¼äµÄÇл»Ã»ÓзÒë¡£
£²£® £³£® £´£® £µ£® £¶£® ¶ÔRAUÁ÷³ÌûÓÐ×ܽá·Ò룬´ó¼Ò¿ÉÒԱȶÔTAUÁ÷³Ì¶ÔÆä½øÐÐѧϰ¡£ ³ý1¡¢2ÍâµÄÆäËûÁ÷³ÌÈ«²¿·Òë×ܽá¹ýÁË¡£
ÓëÔ°æÐÒé´æÔÚÕ½Ú˳ÐòµÄ²»Í³Ò»£¬¸ø´ó¼ÒÔì³ÉµÄÀ§ÄѾ´ÇëÁ½⡣ ´æÔÚûÓÐÍêÈ«°´ÔÎÄ·ÒëµÄ¶ÎÂ䣬¾«¼òÌáÁ¶ÁË´óÖÂÒâ˼¡£ Èç¹ûÓÐÈκÎÒÉÎÊÇëÓʼþÁªÏµ£¬ÎÒÃÇ¿ÉÒÔ¹²Í¬Ì½ÌÖ¡£
1 ÒýÑÔ¸ÅÊö
1.1 ÐÒé·¶³ë
±¾ÐÒéÉè¼Æ·¶Î§ÎªEPS£¨Evolved Packet System£©¡£Evolved 3GPP Packet Switched DomainÌṩIPÁ¬Í¨ÐÔ¡£
ÐÒéÄÚÈݺ¸ÇÂþÓΡ¢·ÇÂþÓÎ״̬µÄ¸÷¸ö·½Ã棬°üÀ¨ÔÚE-UTURN£¨Evolved Universal Terrestrial Radio Access Network£©ºÍÒÔǰµÄ½ÓÈëÍøÖ®¼äµÄÒÆ¶¯ÐÔ£¬¼Æ·Ñ²ßÂÔ¿ØÖƺͼƷѣ¬¼øÈ¨¡£ 23402ÐÒéÊDZ¾ÐÒéµÄ²¹³ä£¬ËüÉæ¼°·Ç3GPPµÄÄÚÈÝ¡£
1.2 SAEºËÐÄÍøÂç³õ²½ÖªÊ¶ 1.2.1 ¼¸¸öÖØÒªÍøÔªµÄ¼òµ¥½éÉÜ
1. MME£¨Mobile management Entity£©,¿ØÖÆÃæÉϵÄÖ÷ÒªÍøÔª£¬ÓëeNodeBÖ®¼ä´æÔÚÐÅÁîÃæ
µÄ½Ó¿ÚS1-MME.ÓëS-GWÖ®¼ä´æÔÚS11½Ó¿Ú£¬ÓëHSSÖ®¼äµÄ½Ó¿ÚÊÇS6a(DiameterÀà
ÐÍÐÒé) ¡£ÓëS4-SGSNÖ®¼ä´æÔÚS3½Ó¿Ú¡£ÓëMSCÖ®¼ä´æÔÚSGs½Ó¿Ú¡£ÓëÆäËûµÄMME
Ö®¼äͨ¹ýS10½Ó¿ÚÏàÁ¬¡£
2. Serving GW, Óû§ÃæµÄÒ»¸öÖØÒªÍø¹Ø¡£¿ÉÒÔÕâôÀí½â£¬3GÖеÄSGSNÏ൱ÓÚ
2018-10-12
»ªÎª»úÃÜ£¬Î´¾Ðí¿É²»µÃÀ©É¢
µÚ1Ò³, ¹²101Ò³
ÎĵµÃû³Æ ÎĵµÃܼ¶
SGW+MME¡£¶ÔÓÚËüÉÏÃæµÄ½Ó¿Ú£¨S1-U£¬S5/S8£¬S11£¬S103£¬S12£¬S4£©²»Ò»Ò»½éÉÜ¡£
3. PDN GW£¬ÓëÍâÍø¹ØÏµ×îÃÜÇеÄÍø¹Ø¡£Ï൱ÓÚ3GÖеÄGGSN¡£´æÔÚ½Ó¿ÚÓÐS5/S8£¬
S2a,Gx,SGi,Ga.
4. HSS,ÓÃÀ´´æ·ÅǩԼÊý¾Ý¡£
1.2.2 ¼¸¸öÖØÒªµÄ¶¨Òå
1. MME ³Ø£ºÊôÓÚÒ»¸ö·¶Î§µÄ¸ÅÄÔÚ´Ë·¶Î§ÖУ¬Óû§¿ÉÒÔ²»»»ÎªÖ®·þÎñµÄMMEÀ´½øÐÐ
ÒµÎñ¡£MME³ØÊǺܶà¸öTAÇøµÄ¸¸¼¯ºÏ¡£Ìرð×¢ÒâµÄÊÇ£¬MME³ØµÄ·¶Î§¿ÉÒÔ»¥ÏàÖØºÏ¡£
2. SGW·þÎñ³Ø£ºÀí½âÀàËÆÓÚ1¡£
3. PDNÁ¬½Ó£º Ò»¸öÓÃIPµØÖ·±íÕ÷µÄÓû§ºÍÒ»¸öÓÃAPN£¨½ÓÈëµãÃû³Æ£©±íÕ÷µÄPDNÖ®¼äµÄ
Á¬½Ó¡£
4. ȱʡAPN£º ÔÚǩԼÊý¾ÝÖж¨ÒåºÃµÄ£¬ÓÃÓÚ¸½×Źý³ÌÖеÄPDNÁ¬½ÓʱѡÔñPDN GWµÈ¡£
1.2.3 ¼¸¸öÖØÒªµÄËõÂÔд·¨
AMBR DL TFT ECGI ECM EMM EPC EPS GUMMEI GUTI GW PDB PLR LBI MME MMEC M-TMSI P-GW
2018-10-12
Aggregate Maximum Bit Rate DownLink Traffic Flow Template Evolved Cell Global Identifier EPS Connection Management EPS Mobility Management Evolved Packet Core Evolved Packet System Globally Unique MME Identifier Globally Unique Temporary Identity Gateway
Packet Delay Budget Packet Loss Rate Linked EPS Bearer Id Mobility Management Entity MME Code
M-Temporary Mobile Subscriber Identity PDN Gateway
»ªÎª»úÃÜ£¬Î´¾Ðí¿É²»µÃÀ©É¢
µÚ2Ò³, ¹²101Ò³
ÎĵµÃû³Æ ÎĵµÃܼ¶
PTI S-GW S-TMSI SDF TAC TAI TAU TIN UL TFT
Protocol Transaction Id Serving Gateway
S-Temporary Mobile Subscriber Identity Service Data Flow Tracking Area Code Tracking Area Identity Tracking Area Update
Temporary Identity used in Next update UpLink Traffic Flow Template
¼òµ¥ËµÒ»ÏÂÎÒ¸Õ½Ó´¥ÐÒéʱ£¬¼¸¸öÈÃÎҸе½À§»óµÄËõд£º
1. GUTI£¨Global Unique Temporary ID£©MMEΪUE·ÖÅäµÄÁÙʱ±êʶ£¬Äܹ»±íÕ÷ΪÓû§·þ
ÎñµÄMME£¬ÒÔ¼°MMEÉϵÄÓû§¡£
2. S-TMSI£¬for paging, the mobile is paged with the S-Tmsi.
STMSI=MMEC+M-TMSI£¬Êµ¼ÊÉϱíʾµÄÊÇÔÚMME poolÄÚʹÓõÄÓû§ÁÙʱ±êʶ¡£ 3£® TAI=MCC+MNC+TAC,Ò²¾ÍÊÇ˵TAI.µÈÓÚ¹ú¼Ò´úÂë+ÍøºÅ+tracking area code. 4. TINÓÃÀ´´æ·ÅÉÏ´ÎÓû§ÔÚijÖÖºËÐÄÍøÀïµÄ±êʶ£¬GUTI£¬PTMSI»òÕßÊÇIMSI¡£ÎªÁËÏ´θüеÄʱºòʹÓá£
5.ECGI£¬ÎÞÏß²àʹÓõıêÖ¾ÊÇÄĸöÐ¡Çø£¨È«ÇòΨһ£©¡£
1.2.4 SAE×éÍø¼Ü¹¹
UTRAN SGSN GERAN S1-MME HSS S3 MME S11 LTE-Uu UE E-UTRAN S1-U S10 S6a PCRF S12 S4 Serving Gateway S5 Gx PDN Gateway SGi Rx Operator's IP Services (e.g. IMS, PSS etc.) ÉÏͼÊÇ·ÇÂþÓÎ״̬ϵÄ×éÍø½á¹¹Í¼£¬ÎÒÃÇÒª°ÑÕâÕÅͼºÃºÃµÄÀí½âÇÒ¼Çס¡£ÖÁÓÚÂþÓÎ̬ϵģ¨home routed, local breakout with home/visited operator¡¯s application function£©ÈýÖÖÇé¿öµÄ×éÍøÍ¼¿ÉÒÔÀà±È×Åѧϰ¡£ÆäÖУ¬home routedʱ£¬Serving GWÓÃÂþÓεص쬶øPGW¡¢PCRF¡¢IP Services¶¼ÓùéÊôµØµÄ£¬ÆäËûÁ½ÖÖÇé¿öPCRF·ÖΪVPCRFºÍHPCRF£¨Ö®¼äS9½Ó¿Ú£©¡£SGW£¬PDNGW¶¼ÓÃÂþÓεصģ¬ËûÃǵÄÇø±ðÔÚÓÚÓÃÁËÄıߵÄOperator¡¯s IP Services.
2018-10-12
»ªÎª»úÃÜ£¬Î´¾Ðí¿É²»µÃÀ©É¢
µÚ3Ò³, ¹²101Ò³
ÎĵµÃû³Æ ÎĵµÃܼ¶
2 ¹¦ÄÜ·ÖÀà
2.1 Network Access Control Functions
ÍøÂç½ÓÈëµÄÒâ˼ÊÇ˵һ¸öÓû§Á¬½Óµ½ÁËÑÝ»¯µÄ·Ö×éºËÐÄÍøÏµÍ³¡£
2.1.1 Network/Access network selecton
UEÑ¡ÔñÁËÒ»¸öPLMN(¹«¹²Â½µØÒƶ¯Í¨ÐÅÍø)/½ÓÈëÍø£¬´ÓÕâÀïËü¿ÉÒÔ»ñµÃ×Ô¼ºµÄIPÁ¬Í¨ÐÔ¡£½ÓÈëÍøµÄÑ¡Ôñ»úÖÆÒò½ÓÈë¼¼ÊõµÄ²»Í¬¶ø²»Í¬¡£
2.1.2 Authentication and authorisation function
¶ÔÓû§µÄÑéÖ¤ºÍ¼øÈ¨£¬Õâ¸ö¹¦ÄÜÓëÒÆ¶¯ÐÔ¹ÜÀíÓйء£
2.1.3 Admission control function
Õâ¸ö¿ØÖƵÄÄ¿µÄÔÚÓÚ¼ì²é±»ÇëÇóµÄ×ÊÔ´ÊÇ·ñ¿ÉÓ㬻¹Óоö¶¨ÊÇ·ñÔ¤¶©ÕâЩ×ÊÔ´¡£
2.1.4 Policy and Charging Enforcement Function
ÕâÓÚPCEFÓйأ¬PCEFÉæ¼°ÒµÎñÊý¾ÝÁ÷̽²â£¬²ßÂÔÖ´ÐкͻùÓÚÁ÷µÄ¼Æ·Ñ¹¦ÄÜ¡£
2.1.5 Lawful Interception
ºÏ·¨¼àÌýµÄʹÓöÔÏóÊÇÓÅÏȼ¶±È½Ï¸ßµÄ¹ú¼ÒȨÁ¦»ú¹Ø£¬Èç¹ú¼Ò°²È«¾Ö¡£
2.2 Packet routeing and transfer functions
Ê×ÏÈÒª¸ãÃ÷°×ʲôÊÇ·ÓÉ£¬Â·ÓɾÍÊÇÔÚPLMNÄÚ»ò¼äµÄÓÃÀ´´«ËÍÊý¾Ý°ü¶ø¾¹ýµÄһϵÁÐÍøÂç½ÚµãµÄÁÐ±í¡£Ã¿Ò»¸ö·ÓɰüÀ¨Ò»¸öÔ´½Úµã£¬Áã¸ö»òÒÔÉϵÄÖм̽ڵãºÍÒ»¸öÄ¿µÄ¶Ëµã¡£Â·ÓɵĹý³Ì¾ÍÊǰ´ÕÕһϵÁеĹæÔò¾ö¶¨²¢ÇÒʹÓÃÒ»¸öÓÃÀ´´«ËÍÊý¾ÝµÄͨ·µÄ¹ý³Ì¡£EPSÊÇÒ»¸öIPµÄÍøÂ磬ËüÔÚ»ùÓÚIPµÄÇé¿öÏÂʹÓñê×¼µÄ·Óɺʹ«Êä»úÖÆ¡£
2018-10-12
»ªÎª»úÃÜ£¬Î´¾Ðí¿É²»µÃÀ©É¢ µÚ4Ò³, ¹²101Ò³