● VoLTE for Enhancing Voice Services

● Pet Fit : Keeping Dog Lovers in touch with their Pets

● Analysis of Location-related Tweets and its Applications

Technology Reports

NTT DOCOMO

Oct.2014　No.2Vol.16

● Global Innovations, Beijing-Style

DOCOMO Today

● Standardization of Embedded UICC Remote Provisioning

Standardization

NTT

DO

CO

MO

Tec

hnic

al J

ourn

al

2

Vol.16 No.2 Oct. 2014

Global Innovations, Beijing-Style ······························································ 1

Hidetoshi Kayama

VoLTE for Enhancing Voice Services ······················································· 4

Pet Fit: Keeping Dog Lovers in touch with their Pets ························· 23

Analysis of Location-related Tweets and its Applications ················ 29

Standardization of Embedded UICC Remote Provisioning ···················· 36

ALL IP IMS PlatformVoLTE

Health Management (Pets)Pre-paid M2M

Location Information Place-name Identification TechnologyTweet Analysis

Remote ProvisioningeSIM M2M

（P.23）

Service provision after introducing eSIM

Continuous service can be provided

Profile switch Profile switch

Seamless OTA switching is possible, so service continuity is high

（P.36）

NTT

DO

CO

MO

Tec

hnic

al J

ourn

al

3

Assistant System for Detecting Potential Malfunctions in Commodity IP Equipment ············································································· 42

Support for Developers with docomo Developer support ················ 48

DOCOMO Beijing Communications Laboratories Co., Ltd. Holds Ceremony Marking 10 years since Establishment ·················· 53

Malfunction Detection Commodity IP EquipmentSYSLOG

Technology Reports VoLTE for Enhancing Voice Services (P.4)

Transition of core network (blue arrow indicates flow of voice communications)

(2) Condition settings functions

Alert notifications

CSV output

(4) Output functions

Graph output

The proposed system

File reading

Syslog server

FromIP equipment

(1) Network connection functions

(6) Telnet functionsConnection

information settings

ToIP equipment

File reading

File server

Thin client

Log file

Message output

File reading

(3) Log find-and-replace functions

Log find-and-replace display

Log reading

Direct monitoring

Folder monitoring

Specifying stations

Specifying messages

(5) Reading functions

（P.42）

（P.53）

3G LTE

From FY2009Conversion of voice network to IP 

(IMS introduction)From FY2010

LTE deployment

RNC

CSN/ASN MGN/MRN

Voice

IP‐RNC

IPNW

BTS

MMS SIN

IPNW

BTS eNodeB

IPNW

CSN/ASN MGN/MRN

Voice

SIN

Packets

EPC

Voice

VGN

MMS：Mobile Multimedia switching System

From FY2014VoLTE deployment

IP‐RNC

IPNW

BTS eNodeB

Voice

SIN

Packets

EPC

IP‐RNC

CSN/ASN MGN/MRN

IPNW

3G LTE3G

LTE‐capable terminal

Existing 3G terminal

IMS deployment

IPNW

IPNW CS‐IP

VoLTEdeployment

LTE deployment

Existing 3G terminal

LTE‐capable terminal

NTT

DO

CO

MO

Tec

hnic

al J

ourn

al

NTT

DO

CO

MO

Tec

hnic

al J

ourn

al