SK Telecom Proprietary 1 1x EV-DO Roaming Issues June 18, 2004 Bryan Kim [email protected] Network...

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SK Telecom SK Telecom Proprietary Proprietary 1 1x EV-DO Roaming Issues June 18, 2004 Bryan Kim [email protected] Network R&D Center SK Telecom

Transcript of SK Telecom Proprietary 1 1x EV-DO Roaming Issues June 18, 2004 Bryan Kim [email protected] Network...

Page 1: SK Telecom Proprietary 1 1x EV-DO Roaming Issues June 18, 2004 Bryan Kim kkh0623@nate.com Network R&D Center SK Telecom.

SK Telecom ProprietarySK Telecom Proprietary 1

1x EV-DO Roaming Issues

June 18, 2004

Bryan [email protected] R&D CenterSK Telecom

Page 2: SK Telecom Proprietary 1 1x EV-DO Roaming Issues June 18, 2004 Bryan Kim kkh0623@nate.com Network R&D Center SK Telecom.

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1x EV-DO Network Configuration

1x EV-DO Roaming Issues

Action Items

Table of Contents

Page 3: SK Telecom Proprietary 1 1x EV-DO Roaming Issues June 18, 2004 Bryan Kim kkh0623@nate.com Network R&D Center SK Telecom.

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1x EV-DO Alternative Reference Model (IS-878)

Page 4: SK Telecom Proprietary 1 1x EV-DO Roaming Issues June 18, 2004 Bryan Kim kkh0623@nate.com Network R&D Center SK Telecom.

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1x EV-DO Network Configuration(SK Telecom)

MSC/VLRMSC/VLR CGSCGS

IP PhoneIP Phone

InternetInternet

IP Fax IP Fax

PDSNPDSN

HAHA

RADIUSRADIUS ServerServer

Gateway Gateway RouterRouter

IWFIWF

AN-AAAAN-AAA

VT ServerVT ServerSCNSCN

1x EV-DO + 1X 1x EV-DO + 1X Data NetworkData Network

BTS/ANTSBTS/ANTS

IPIPSS7SS7

PSTNPSTN

BSC/ANCBSC/ANC

ATATNotebookNotebook

BSC/ANCBSC/ANC

SMCSMCSMCSMCHLRHLRHLRHLR

SCPSCPSCPSCP

Video PhoneVideo Phone

PDAPDA

CDMA2000 1X CDMA2000 1X Voice NetworkVoice Network

VMSVMS

BTS/ANTSBTS/ANTS

BTS/ANTSBTS/ANTS

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ATServing

ANC/PCFServingAN-AAA

ServingAAA

ServingPDSN

HomeAN-AAA

HomeAAA

UATI Request

UATI Assignment

Session Establishment

UATI Complete

AT ready to exchange data on Access Stream

PPP and LCP Nego

CHAP Challenge - Response

Access RequestAccess Request

Access Accept

(containing MN ID)Access Accept

(containing MN ID)

AT ready to exchange data on Packet Service Stream

1x EV-DO Roaming Call Flow (Assumption : AN-AAA Implementation)

Page 6: SK Telecom Proprietary 1 1x EV-DO Roaming Issues June 18, 2004 Bryan Kim kkh0623@nate.com Network R&D Center SK Telecom.

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ATServingAN/PCF

ServingAN-AAA

ServingAAA

ServingPDSN

HomeAN-AAA

HomeAAA

Transmitting packet data to internet

Registration Request

Registration Reply

LCP configuration Req/Res

CHAP Challenge

CHAP Response

Access RequestAccess Request

Access Accept

Access Accept

IPCP Configuration Req/Res

Account StartAccount Start

1x EV-DO Roaming Call Flow(cont.)

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1x EV-DO Roaming Issues

□ AN-AAA Interoperability

- IS-878 says “If terminal authentication is not used by an HRPD system,

the MN ID that is used by the PCF on the A10/A11 interface is determined

by other means beyond the scope of this specification”

- Without AN-AAA in the 1x EV-DO network, it may need change in PCF or

terminal and affect 1x EV-DO roaming

□ 1x EV-DO PRL Update

□ Terminal Interoperability

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Action Items

□ Who want to be volunteers for trial?

- Operators who implemented AN-AAA

- Operators who did not implement AN-AAA

Page 9: SK Telecom Proprietary 1 1x EV-DO Roaming Issues June 18, 2004 Bryan Kim kkh0623@nate.com Network R&D Center SK Telecom.

SK Telecom ProprietarySK Telecom Proprietary 9

June 18, 2004

Bryan [email protected] R&D CenterSK Telecom

Questions & Answers