LTE PP Slides
13
. Figure 1 - EPS Architecture 1 PCRF Overall Architecture X2-UP S1-UP EPC S1-CP E-UTRAN eNodeB eNodeB S11 MME S-GW P-GW S5/S8 X2-CP P-CSCF S7/Gx Network & Service management OSS-RC EMA MM DNS/ENUM HSS S-CSCF I-CSCF IMS Control layer Platforms / Concepts TSP/NSP or TSP/IS DNS/ ENUM MGC MGW SUN IS A-SBG CPP / RBS6000 Juniper / Redback WPP GERAN UTRAN Broadband Wired Access GPRS Packet Core SGSN GGSN CDMA2000 HRPD (EV-DO) WLAN N-SBG Interne t S6a CS Core MSC GWMSC PSTN PDSN S1-AP, X2-AP H.248 ISUP Diameter S3 S4 GTP-C Gxa S103 S2a RNC Other SIP/UDP or SIP/TCP Rx+ User data RTP/UDP GTP/UDP S101 IMS Connectivity layer Service Layer AS AS AS Application Servers MTAS S6d Uu
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Transcript of LTE PP Slides
EPS ArchitectureTop right corner for field-mark, customer or
partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
MTAS
S6d
Uu
eNodeB
eNodeB
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
3GPP TSG RAN
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
36.213 – Physical layer procedures
36.214 – Physical layer measurements
36.300 – E-UTRA overall description
36.306 – UE radio access capabilities
36.321 – Medium Access Control (MAC)
Protocol Specification
Protocol Specification
Protocol Specification
Protocol Specification
36.113 – Base station EMC
Management (FDD)
36.401 – E-UTRA Architecture Description
36.411 – S1 interface Layer 1
36.412 – S1 interface signalling transport
36.413 – S1 application protocol S1AP
36.414 – S1 interface data transport
36.420 – X2 interface general aspects and principles
36.421 – X2 interface layer1
36.423 – X2 interface application part X2AP
36.442 – UTRAN Implementation Specific O&M Transport
All specifications can be found on the
web site www.3gpp.org
23.002 – Network Architecture
23.009 – Handover Procedures
23.401 – GPRS enhancements for eUTRA
23.907 – QoS Concept
24.302 – Access to the EPC via non 3GPP networks
33.401 – System Architecture Evolution (SAE);
Security Architecture
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
Downlink
Uplink
MCH
BCH
-CQI
-ACK/NACK
-coherent demod
PCH
PCCH
PDSCH
MTCH
MCCH
BCCH
DTCH
DCCH
DTCH
DCCH
CCCH
PRACH
RACH
CCCH
PUSCH
PBCH
PCFICH
PUCCH
PMCH
PHICH
PDCCH
RS
SRS
P-SCH
S-SCH
RS
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
UE starts timer T310
UE stops timer T310
RRC Connection re-establishment procedure
Ericsson AB 2009 01_03813 LZU108 7261 Uen Rev A
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
14. INITIAL CONTEXT SETUP REQUEST
(EPS bearers, Attach Accept, Security)
22. INITIAL CONTEXT SETUP RESPONSE
(EPS bearers)
16.RRC SECURITY MODE COMPLETE
2. Random Access Preamble
3. Random Access Response
21. RRC CONNECTION RECONFIGURATION COMPLETE
10.RRC DL INFORMATION TRANSFER (Authentication Request)
11. RRC UL INFORMATION TRANSFER (Authentication Response)
DL NAS TRANSFER (Authentication)
12. RRC DL INFORMATION TRANSFER (Security Mode Command)
13. RRC UL INFORMATION TRANSFER (Security Mode Complete)
DL NAS TRANSFER (NAS SMC)
UL NAS TRANSFER (NAS SMC)
Cell
Select *
UL NAS TRANSFER (Attach Complete)
RRC IDLE
RRC IDLE
9. RRC UL INFORMATION TRANSFER (UE Identity Response)
DL NAS TRANSFER (UE Identity Req)
UL NAS TRANSFER (UEid Response)
17. RRC UE CAPABILITY ENQUIRY
18. RRC UE CAPABILITY iNFORMATION
19. UE CAPABILITY INFO INDICATION
(UE Radio Capability)
26. RRC CONNECTION RELEASE
25. UE CONTEXT RELEASE COMPLETE
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
N
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
HOW: *removing redundant info
compression is included in the compressed header
Compressed Header
Appr. 30 of 40 octets are static or easily compressible!
Checksum
Length
8
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
At each TTI
Priority order
PBR LCH1
PBR LCH2
PBR LCH3
PBR LCH4
TTI n+2
TTI n+3
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
8. Start Data
12. MAC Random Access Response (UL allocation + TA)
13. RRC CONNECTION RECONFIGURATION COMPLETE
(Handover Complete)
16. S5 USER PLANE
RRC
CONNECTED
17.Data Transfer in Target
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
through Handover
end marker
Source forwards outstanding un-ACK:ed SDUs to target with their SN attached.
Source tells Target what PDCP SN to allocate next.
Non-outstanding SDUs are forwarded (in order) without SN
Target “prioritizes” forwarded SDUs.
UE may submit a PDCP Status to guide Target re-Tx
NO Data forwarding for SRBs; PDCP SN and HFN are reset @ target
Source eNB
Target eNB
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
Target with their SN attached.
Target re-orders PDCP SDUs.
to UE to guide re-transmissions to Target.
PDCP SN is continuous
through Handover
Target eNB
Source eNB
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
8. Admission
12. RRC CONNECTION RECONFIGURATION
14. MAC Random Access Response (UL allocation + TA)
15. RRC CONNECTION RECONFIGURATION COMPLETE
(Handover Confirm)
7. S1 HANDOVER REQUEST
10. S10 FORWARD RELOCATION
(Cause: Successful Handover)
16. S1 HANDOVER NOTIFY
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
MTAS
S6d
Uu
eNodeB
eNodeB
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
3GPP TSG RAN
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
36.213 – Physical layer procedures
36.214 – Physical layer measurements
36.300 – E-UTRA overall description
36.306 – UE radio access capabilities
36.321 – Medium Access Control (MAC)
Protocol Specification
Protocol Specification
Protocol Specification
Protocol Specification
36.113 – Base station EMC
Management (FDD)
36.401 – E-UTRA Architecture Description
36.411 – S1 interface Layer 1
36.412 – S1 interface signalling transport
36.413 – S1 application protocol S1AP
36.414 – S1 interface data transport
36.420 – X2 interface general aspects and principles
36.421 – X2 interface layer1
36.423 – X2 interface application part X2AP
36.442 – UTRAN Implementation Specific O&M Transport
All specifications can be found on the
web site www.3gpp.org
23.002 – Network Architecture
23.009 – Handover Procedures
23.401 – GPRS enhancements for eUTRA
23.907 – QoS Concept
24.302 – Access to the EPC via non 3GPP networks
33.401 – System Architecture Evolution (SAE);
Security Architecture
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
Downlink
Uplink
MCH
BCH
-CQI
-ACK/NACK
-coherent demod
PCH
PCCH
PDSCH
MTCH
MCCH
BCCH
DTCH
DCCH
DTCH
DCCH
CCCH
PRACH
RACH
CCCH
PUSCH
PBCH
PCFICH
PUCCH
PMCH
PHICH
PDCCH
RS
SRS
P-SCH
S-SCH
RS
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
UE starts timer T310
UE stops timer T310
RRC Connection re-establishment procedure
Ericsson AB 2009 01_03813 LZU108 7261 Uen Rev A
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
14. INITIAL CONTEXT SETUP REQUEST
(EPS bearers, Attach Accept, Security)
22. INITIAL CONTEXT SETUP RESPONSE
(EPS bearers)
16.RRC SECURITY MODE COMPLETE
2. Random Access Preamble
3. Random Access Response
21. RRC CONNECTION RECONFIGURATION COMPLETE
10.RRC DL INFORMATION TRANSFER (Authentication Request)
11. RRC UL INFORMATION TRANSFER (Authentication Response)
DL NAS TRANSFER (Authentication)
12. RRC DL INFORMATION TRANSFER (Security Mode Command)
13. RRC UL INFORMATION TRANSFER (Security Mode Complete)
DL NAS TRANSFER (NAS SMC)
UL NAS TRANSFER (NAS SMC)
Cell
Select *
UL NAS TRANSFER (Attach Complete)
RRC IDLE
RRC IDLE
9. RRC UL INFORMATION TRANSFER (UE Identity Response)
DL NAS TRANSFER (UE Identity Req)
UL NAS TRANSFER (UEid Response)
17. RRC UE CAPABILITY ENQUIRY
18. RRC UE CAPABILITY iNFORMATION
19. UE CAPABILITY INFO INDICATION
(UE Radio Capability)
26. RRC CONNECTION RELEASE
25. UE CONTEXT RELEASE COMPLETE
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
N
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
HOW: *removing redundant info
compression is included in the compressed header
Compressed Header
Appr. 30 of 40 octets are static or easily compressible!
Checksum
Length
8
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
At each TTI
Priority order
PBR LCH1
PBR LCH2
PBR LCH3
PBR LCH4
TTI n+2
TTI n+3
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
8. Start Data
12. MAC Random Access Response (UL allocation + TA)
13. RRC CONNECTION RECONFIGURATION COMPLETE
(Handover Complete)
16. S5 USER PLANE
RRC
CONNECTED
17.Data Transfer in Target
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
through Handover
end marker
Source forwards outstanding un-ACK:ed SDUs to target with their SN attached.
Source tells Target what PDCP SN to allocate next.
Non-outstanding SDUs are forwarded (in order) without SN
Target “prioritizes” forwarded SDUs.
UE may submit a PDCP Status to guide Target re-Tx
NO Data forwarding for SRBs; PDCP SN and HFN are reset @ target
Source eNB
Target eNB
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
Target with their SN attached.
Target re-orders PDCP SDUs.
to UE to guide re-transmissions to Target.
PDCP SN is continuous
through Handover
Target eNB
Source eNB
Top right corner for field-mark, customer or partner logotypes. See Best practice for example.
Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt
. Figure 1 -
EPS Architecture
8. Admission
12. RRC CONNECTION RECONFIGURATION
14. MAC Random Access Response (UL allocation + TA)
15. RRC CONNECTION RECONFIGURATION COMPLETE
(Handover Confirm)
7. S1 HANDOVER REQUEST
10. S10 FORWARD RELOCATION
(Cause: Successful Handover)
16. S1 HANDOVER NOTIFY
