2G 3G LTE Interfaces

2G CS Um = MS-BTS A-bis = BTS-BSC A-int = BSC-MSC sau A-ter = BSC-TRAU+A-int = TRAU-MSC sau A-int = BSC-MGW Nb = MGW-MGW Mc = MGW-MSC(MSS) Nc = MSS-GMSS(GMSC)

RAN

Core

E = MSC-MSC (handover data, MAP) C = MSC(MSS)-HLR Gs = MSS(MSC)-SGSN

PS

Um = MS-BTS A-bis = BTS-BSC Gb = BSC-SGSN

Gn = SGSN-GGSN Gp = GGSN-other PLMN Gi = SGSN/GGSN-Internet/Corporate Network Gc = GGSN-HLR Gd = Gs = Gr = S16 =

SGSN-SMS-GMSC SGSN-MSS(MSC) SGSN-HLR SGSN-SGSN

3G

RAN

Core

CS Mur = RNC-OSS Uu = UE-NodeB Iub = NodeB-RNC Iur = RNC-RNC Iu-CS = RNC-MGW Mc = MGW-MSS Nb = MGW-MGW Nc = MSS-MSS(GMSC) C = MSS-HLR Gs = MSS-SGSN

PS

Mur = RNC-OSS Uu = UE-NodeB Iub = NodeB-RNC Iur = RNC-RNC Iu-PS = RNC-SGSN Gn = SGSN-GGSN Gp = GGSN-other PLMN Gr = SGSN-HLR Gs = SGSN-MSS Gi = SGSN/GGSN-Internet/Corporate Network Gd = SGSN-SMS-GMSC S16 = SGSN-SGSN Gc = GGSN-HLR

LTE RAN

Core

PS LTE-Uu = UE-eNodeB X2 = eNodeB-eNodeB S1-U = eNodeB-S-GW S1-MME = eNodeB-MME S11 = S-GW-MME S5/S8 = S-GW-P-GW Gx = P-GW-PCRF Gxc = PCRF-SGW SGi = P-GW-IMS/PDN S4 = SGW-SGSN 3G->LTE  Rx = PCRF-IMS/PDN S6a = MME-HSS S10 = MME-MME SGs = MME-MSC(interogare VLR pentru management locatie si trimitere mesaje de semnalizare) 3G->LTE 

S3 = MME-SGSN

3G->LTE 

Nr. Nume crt. 1 A-bis 2 A-int

3 A-ter 4 C 5 E 6 7 8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

Gb Gc Gd Gi

Gn Gp Gr Gs Gx GXc Iub Iu-CS Iu-PS Iur Mc Mur Nb Nc Rx S10 S11 S16 S1-MME S1-U S3 S4 S5/S8 S6a SGi SGs Um Uu Uu LTE X2

Echipamente

BTS-BSC BSC-MSC sau BSCMGW sau TRAU-MSC BSC-TRAU MSC(MSS)-HLR MSC-MSC (handover data, MAP) BSC-SGSN GGSN-HLR SGSN- SMS-GMSC SGSN/GGSN Internet/Corporate Network SGSN-GGSN GGSN-other PLMN SGSN-HLR MSS(MSC)-SGSN PCRF P-GW PCRF S-GW NodeB-RNC RNC-MGW RNC-SGSN RNC-RNC MGW-MSC(MSS) RNC-OSS MGW-MGW MSS-MSS(GMSC) PCRF PDN/IMS MME MME MME S-GW SGSN-SGSN NodeB MME eNode B S-GW MME SGSN S-GW SGSN S-GW P-GW MME HSS P-GW PDN/IMS MME MSS MS-BTS UE-NodeB UE NodeB eNodeB eNodeb

CS,PS Trafic, Semnalizare CS PS S T CS ST

2G, 3G

CS CS CS

ST S S

2 23 2

PS PS PS PS

ST S ST ST

2 23 23 23

PS PS PS

ST ST S S PS S PS S CS PS S T CS ST PS ST CS PS S T CS S O&M CS T CS S PS S PS S PS S PS ST PS S PS T PS S PS ST PS ST PS S PS T S CS PS S T CS PS S T CS PS S T CS PS S T

2 2

23 23 23 23 LTE LTE 3 3 3 3 23 3 23 23 LTE LTE LTE 23 LTE LTE LTE LTE LTE LTE LTE LTE 2 3 LTE 3 LTE 3