CDMA ↔ LTE Roaming

Joe Dechant, Roaming Product Management

Handset Limitations: Being Removed

Today: No LTE Roaming• CDMA + GSM/UMTS

Tomorrow: LTE Roaming• CDMA + GSM/UMTS

with LTE f1

• Single LTE Bandwith LTE f1 – f6

• Multi-Band LTE

5 band LTE2-band 3G CDMA / EV-DO4-band 3G UMTS / HSPA+4-band 2G GSM / EDGE

5-band LTE 3-band 3G CDMA / EV-DO4-band 3G UMTS / HSPA+4-band 2G GSM / EDGE

Global Reach: Three LTE iPhonesA1429 (CDMA) A1429 (GSM)A1428

AT&T VZW & SprintAsia, MEA & Europe

Asia, MEA & Europe

GSM/EDGE

CDMA2000 1X/1X Adv./EV-DO Rev. A/B 800, 1900, 2100 MHz

GSM/EDGE GSM/EDGEGSM/EDGE 850, 900, 1800, 1900 MHz

UMTS/HSPA+/DC-HSDPA 850, 900, 1900, 2100 MHz

LTE

GSM/EDGE 850, 900, 1800, 1900 MHz

UMTS/HSPA+/DC-HSDPA 850, 900, 1900, 2100 MHz

LTE

GSM/EDGE850, 900, 1800, 1900 MHz

UMTS/HSPA+/DC-HSDPA 850, 900, 1900, 2100 MHz

LTELTEBands 2, 4, 5 and 17

LTE Bands 1, 3, 5, 13 and 25

LTE Bands 1, 3 and 5 (13 & 25 unused)

Note: Enabled up to five LTE band classes for the existing base of large LTE operatorsEuropean 800 MHz and 2600 MHz bands are not supported yet

Preferred LTE Bands for Global Roaming

North America

Latin America

Europe APAC

1

3 3 3

4 4

55

7 7 7

12 (includes BC 17) 12

13

14

2020

25 (includes BC 2)

26 (includes BC 5)

APT APT APTAPT APT APT

Network Roaming Solution: Defined & Available0) Starting Point

AAA

CDMA:HRPD

MSC

PDSN HAPDSN FA

MSC

RNC CD

EV-DOBTS

DM

A RA

N

5TNS Proprietary and Confidential

HRPD

LTE Out-Roaming: LTE Core connects to PartnersEvolved HRPD (eHRPD)1) Add Packet Core

AAA HSS

LTECDMA:HRPD

Evolv

MMEMSCved P

acke LTE Out‐roaming

PDSN HA P GW

MME

PDSN FA S GW

MSC et Core

HSGWHRPD Serving Gateway

RNC CD

HRPD Serving Gateway

EV-DOBTS

DM

A RA

NHRPD HRPD and LTE

LTE Out‐roaming

LTE Out-Roaming and In-RoamingEvolved HRPD (eHRPD)2) Add LTE RAN

AAA HSS

CDMA:HRPD

Evolv

LTE

MMEMSCved P

acke LTE‐LTE Roaming

PDSN HA P GW

MME

PDSN FA S GW

MSC et Core

HSGWHRPD Serving Gateway

RNC CD

HRPD Serving Gateway

eNode B LT

EV-DOBTS

DM

A RA

N

TE R

AN

HRPD HRPD and LTELTE‐LTE Roaming

Inter-carrier services

1) IPXTransit

2) Diameter Routing

3) Inter-Carrier Billing

4) Roaming reporting

ECDMA + LTELTE roaming partners

HSS

P GW

MME

volved Packet C

ore

HSS

P GW

MME

Evolved Packet Co

DRA

AAA HSS

MMEMSC

Evolved P

acket C

HSS

MME

Evolved Packet C

S GW

e

eNode B LTE RAN

P GWS GW

ore

eNode B LTE R

IPXRNC

PDSN HA P GWPDSN FA S GW

Core

CD

M

eNode B LTE

P GWS GW

Core

eNode B LTE

ETHERNET ETHERNET

NRA

N

8TNS Proprietary and Confidential

EV-DOBTS

MA R

AN

RAN

E R

AN

Outlook

• NO LTE-LTE Roaming to date• NO CDMA-LTE Roaming to date

… but everything is now available

• Start planning now for… 2013 Roaming Trials & Implementations

9TNS Proprietary and Confidential