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Transcript of Mobility Solutions Douglas Rollender Wireless Standards ...
Mobility Solutions
Douglas RollenderWireless Standards Development and Industry Relations973 386-4560, [email protected]
Introduction to J-STD-038-A:
Network Interworking Between GSM MAP and ANSI-41 MAP
Proposal: Modify J-STD-038-B to Include
Two-Way Packet Data Roaming
DHR 06/26/03 2
Introduction to J-STD-038-A
• Service Descriptions
• Mobile States, Network Requirement
• Network Reference Model
• IIF Interfaces
• Message Flow Illustrations
• Implementation Alternatives
• Proposal: Add CDMA Packet Data Service (C-PDS) in foreign Mode
DHR 06/26/03 3
Service Descriptions
• Authentication
• Call Forwarding (CFU, CFB, CFNRy, CFNBc; CFU, CFB, CFNA, CFD)
• Optimal Routing for Late Call Forwarding
• Call Waiting
• Three-Way Calling & Multi-Party
• Calling Number/Line ID
• Call Barring & Operator Determined Barring
• Short Message Teleservice Support (ANSI-136)
• Message Waiting Notification
• GPRS in GSM Foreign Mode (1-way packet data roaming only)
DHR 06/26/03 4
Network Requirement:Interoperability and Interworking Function (IIF) provides signaling control
between GSM and ANSI-41 Networks
Mobile States:•GSM Native Mode
•ANSI-41 Foreign Mode
•ANSI-41 Native Mode
•GSM Foreign Mode
•GPRS in GSM Foreign Mode
– J-STD-038-A includes TDMA-136/GSM/GPRS MS
– J-STD-038-B assumes cdma2000/GSM/GPRS SIM or UIM
DHR 06/26/03 5
J-STD-038-A Reference Model
A C
M S C
H L R
V L R
M C
H
T I A / E I A - 4 1N e t w o r k E n t i t i e s
G S MN e t w o r k E n t i t i e s
A u C
M S C
H L R
V L R
H
I I F
S M S- S C
D
D
D
D
EQ
N
EE
S M S- I W M S C
S M S- G M S CE
S G S N
G r
DHR 06/26/03 6
HLR-VLR Interface
A N S I - 4 1H L R
T I A / E I A - 4 1N e t w o r k E n t i t i e s
G S MN e t w o r k E n t i t i e s
D
D
D
D
A N S I - 4 1 s u b s c r i b e r r o a m i n gt o G S M n e t w o r k
G S M s u b s c r i b e r r o a m i n gt o A N S I - 4 1 n e t w o r k
I I F
A N S I - 4 1V L R
A N S I - 4 1V L R
A N S I - 4 1H L R
G S MH L R
G S MV L R
G S MH L R
G S MV L R
DHR 06/26/03 7
Registration on an ANSI-41 Network (ANSI-41 Foreign Mode) with R-UIM
MSMSC/VLR IIF HLR
Registration
AUTH REQ
Auth req
REGNOT
Update Location Req
Update Location Ack
ANSI-41 NETWORK GSM NETWORK
regnot
Reg_ack
MSC/VLR
Cancel Location
Cancel Loc Ack
(MIN/IMSI)
(IMSI)
a
b
c
d
e
f
g
h
i
j
DHR 06/26/03 8
Originating/Gateway MSC - Serving MSC Interface
T I A / E I A - 4 1N e t w o r k E n t i t i e s
G S MN e t w o r k E n t i t i e s
E
E
E
E
A N S I - 4 1 s u b s c r i b e r r o a m i n gt o G S M n e t w o r k
G S M s u b s c r i b e r r o a m i n gt o A N S I - 4 1 n e t w o r k
I I F
A N S I - 4 1O r i g i n a t i n g
M S C
A N S I - 4 1S e r v i n g
M S C
A N S I - 4 1S e r v i n g
M S C
A N S I - 4 1O r i g i n a t i n g
M S C
G S MG a t e w a y
M S C
G S MS e r v i n g
M S C
G S MS e r v i n g
M S C
G S MG a t e w a y
M S C
DHR 06/26/03 9
Optimal Routing with Late Call Forwarding (GSM Foreign Mode)
ANSI-41(MSC-A)
ANSI-41(B’s HLR) IIF
GSM(VLR/MSC-B) (MSC-C)
Establish Connection Attempt
Connection Release
Call Forward Setup
Call Origination
LOCREQ
ROUTEREQ
Provide Roaming Number[GMSC#,CR#]
Provide Roaming NumberAck [MSRN]
Routereq [TLDN]
Locreq [TLDN]
Resume Call Handling [CR#,reason]
tranumreq
Resume Call HandlingAck
REDREQ [REDREASON]
redreq
TRANUMREQ [REDREASON]
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
DHR 06/26/03 10
MC/SMS-SC - Serving MSC Interface
T I A / E I A - 4 1N e t w o r k E n t i t i e s
G S MN e t w o r k E n t i t i e s
A N S I - 4 1 s u b s c r i b e r r o a m i n gt o G S M n e t w o r k
G S M s u b s c r i b e r r o a m i n gt o A N S I - 4 1 n e t w o r k
I I F
G S MS M S -
I W M S C
G S MS M S -
G M S C
G S MS M S - S C
G S MS M S - S C
G S MS M S -
I W M S C
G S MS M S -
G M S C
A N S I - 4 1S e r v i n g
M S C
A N S I - 4 1M C
A N S I - 4 1M C
A N S I - 4 1S e r v i n g
M S C G S MS e r v i n g
M S C
G S MS e r v i n g
M S C
Q
Q
E
E
E
E
DHR 06/26/03 11
Mobile Terminating ANSI-136 SMS Mapped to GSM SMS
MS-A TDMAMSC
MC-A MC-B TDMAHLR
a
b
c
d
e
f
g
h
i
SMDPP (GHOST)
smdpp [ACK]
TDMAMSC
SMD-REQ (GHOST)
SMD-ACK
SMDPP (CMT)
SMDPP (CMT)
smdpp [ACK]
smdpp [ACK]
SMSREQ
smsreq
(SMS delivered toMobile Stationusing CMT)
j
k
DHR 06/26/03 12
HLR-SGSN Interface
ANSI-41 Subscriber roamingto GPRS network
IIF
SGSNGSMHLR
ANSI-41VLR
ANSI-41HLR
GrD
TIA/EIA-41Network Entities
GSM NetworkEntities
DHR 06/26/03 13
GPRS Attach
MS SGSN IIF HLR
GPRS Attach Req
Authentication Info
Authentication Info Ack
Authentication Req
Authentication Res
Update GPRS Location Req
GSM NETWORKANSI-41 NETWORK
Insert Sub Data
Insert Sub Data Ack
Update GPRS Location Ack
GPRS Attach Ack
(IMSI)
(IMSI, SGSN Address)
a
b
c
d
e
f
g
h
i
jREGNOT
regnotk
GPRS_LU
l
DHR 06/26/03 14
IIF Implementation Alternatives: In or Between One or Both Nets.
GSMNetworkElement
TIA/EIA-41NetworkElement
IIF
GSMNetworkElement
TIA/EIA-41NetworkElement
IIF
GSMNetworkElement
TIA/EIA-41NetworkElement
ExternalNetworkElement
IIF
GSMNetworkElement
TIA/EIA-41NetworkElement
IIF IIF
DHR 06/26/03 15
Add to J-STD-038-B: CDMA Packet Data Service for Network Interworking Between GSM MAP and ANSI-41 MAP
Overview:
• C-PDS Service Description in TIA-EIA-IS-880
• Network Impact from TIA-EIA-IS-835
• Message Flow Illustration
• Recommendation to CDG-IRT
DHR 06/26/03 16
IS-880 C-PDS Includes:• Private or Public Packet Data Network (PDN) Access
• Subscription (MS) Options
– Packet Data Service (PDS) only
– Voice Service (VS) or PDS (not simultaneous)
– Simultaneous VS and PDS
• C-PDS Quality of Service
– sensitivity to data rate, delay, error rate
– Assured and Non-Assured Options
• Call Detail Record data elements
• Intersystem Handoff
DHR 06/26/03 17
Idle MS Invokes C-PDS
HLR AC
a
b
l
MSC
Serving System
VLR
Register (RANDC, AUTHR)
AUTHREQ [RAND, AUTHR]
AUTHREQ [RAND, AUTHR]
authreq [ ]ART
RNTRNT
f
c
d
e
AUTHREQ [RAND, AUTHR]
k
g
h
i
ART ART
Home System
REGNOT [MSCID, MSID]
REGNOT [MSCID, MSID]
Packet Transaction Initiation
mPacket Transaction Termination
regnot [Profile (CFI, QoSPriority)]
authreq [ ]
authreq [ ]
regnot [Profile (CFI, QoSPriority)]j
DHR 06/26/03 18
IS-835Network ReferenceModel with IIF
IIF <-CDMA GSM->
DHR 06/26/03 19
Packet Data Service Node
• PDSN Supports Interconnection between Radio Network and Packet data Network
• Supports Simple IP and Mobile IP
• PDN Registration Independent of Radio Network Registration
DHR 06/26/03 20
Remote Authentication Dial In User Service (RADIUS) Server
• Authentication, Authorization and Accounting (AAA) server in cdma2000 networks
• Transfers messages between Visited Access Provider and Home IP Network
• May be located in the Visited Network, Home IP Network or Broker RADIUS Network
DHR 06/26/03 21
IS-835Network ReferenceModel with IIF
IIF <-CDMA GSM->
DHR 06/26/03 22
To be done by CDG-IRT
• Recommend TR45.2 add C-PDS in Foreign Mode to
J-STD-038-B
– Reference IS-880 and IS-835
– Provide stage 1 service description
– Update IIF for subscriber data mapping from GSM HLR to ANSI-41 VLR for 2-way packet data service
• Add RADIUS server function in or for GSM Network
• Update Requirements as Needed for MS, R-UIM and SIM
DHR 06/26/03 23
… for more information
about Lucent’s IIF Gateway
compliant with J-STD-038-B for Cross Technology
and International Roaming,
contact your Lucent Account Representative or
Srini Brahmandam, IIF Gateway Product Manager,
at 614-860-2807 and [email protected]