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LTE World Summit Barcelona May 2012 Day 1 KDDI
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1 KDDI Corporation All Rights Reserved
Multi-Network Approach Built in The
KDDI's 3M Strategy in The Era with
Disruptive Bandwidth Demands
LTE World Summit 2012
Day 1/Track 3: Handling the Mobile Data Explosion
May 23rd 2012
Munefumi TSURUSAWA KDDI European Research Office
Switzerland
2 KDDI Corporation All Rights Reserved
Table of Contents
Introduction
Company profile
KDDI's 3M strategy
Data explosion in mobile networks
Data offloading and multi-access
networks
Summary
3 KDDI Corporation All Rights Reserved
KDDI provides
Consumer;
Mobile: branding as
CDMA 2000 1x, EV-DO
LTE in 2012
au WiFi
Mobile WiMAX
Triple-play services in Giga b/s (max)
Internet, VoIP, IP-TV and VOD
Cable TV with VoIP
Enterprise; domestic and international
Private line (TDM and Ethernet)
Ethernet VPN, IP-VPN
ICT solution, Data Center (TELEHOUSE)
Service portfolio
4 KDDI Corporation All Rights Reserved
3M Strategy: Various choices for customer
Multi-Use
Multi-Device
Multi-Network
WiMAX FTTH
CATV Wi-Fi 3G
LTE
Tablet eBook Reader PC TV-STB Smartphone Feature
Phone
5 KDDI Corporation All Rights Reserved
0
250
500
750
1,000
1,250
10/10 10/12 11/2 11/4 11/6 11/8 11/10
0%
10%
20%
30%
40%
50%
60%
(1K)
Monthly Rapid Shift to Smartphones
Number of Smartphone Shipment of KDDI
Source : KDDI
: Smartphone
: Feature phone
: Percentage of
Smartphone
6 KDDI Corporation All Rights Reserved
Data growth of Smartphone users
More than 60% of the
total traffic is generated
by Smartphone users at
less than 9% share.
Source : KDDI Note : This chart sets the traffic in Oct. 2010 to 1.
7 KDDI Corporation All Rights Reserved
Vertical
integration
Horizontal
division
Data linkage
on the
common PF
Data linkage
and asynch.
data storage
Data linkage &
asynch. data
storage + web /
net app.
Data link & async.
Data storage &
reusable data +
opened PF
Fixed
Telephone Telephone, fax
Beeper answer phone,
Voice contents *** ***
Computer
Main frame
Personal-com,
Windows, Mac
Office App BBS Internet, Web,
Flash Cloud, SaaS
Cell phone +SMS +Camera Exclusive
contents
Internet,
WebApp Apps Economy
1980~
1990~
1940~
Data Explosion: inevitable consequence
Vertical integration: service innovation
Horizontal division: cost innovation
But, we are facing what we do not suppose…
8 KDDI Corporation All Rights Reserved
LTE Deployment Plan in 2012
3 frequency bands are available
800 MHz band
1.5 GHz band
2.0 GHz band
High quality LTE
Down link: 75MHz (max.)
Rapid implementation
Actual population coverage is aiming at
96% on March 2013
9 KDDI Corporation All Rights Reserved
Planned launch of LTE in 2012, but…
FY2010 FY2011 FY2012 FY2013 FY2014 FY2015
Traffic by
Feature
Phone
Traffic by
Smartphone
Traffic by
other Smart
Devices, e.g.
Tablet & PC
3G Capacity Planned
LTE Capacity Planned
Mobile data traffic is
predicted to overflow the
KDDI capacity of LTE & 3G
in 2014.
10 KDDI Corporation All Rights Reserved
WiFi Femto
The Internet / Cloud
KDDI IP NW
KDDI Wide area Virtual Switch (Eth)
Fixed Access
FTTH
ADSL
Broadcasting & Internet
CATV
B roadcast F ixed M obile
3G Mobile
CDMA
EV-DO Rev.A
Mobile WiMAX
LTE
WiFi
USB Dongle
BB Access
Data Card
Multi Network: Mobile and Fix
11 KDDI Corporation All Rights Reserved
au WiFi: The public WiFi for data offloading
WiFi is a LAN technology, so several artifices must
be implemented for WiFi offloading as AP in WAN.
Battery life
Turing of beacon receiving: x2 longer
Ease of setting / switching from cellar
Purpose-built application / Smart Switching (3G <-> WiFi)
Public access point
Nation wide >100,000 APs (2012 March)
~50% of APs are connected by WiMAX
Connectivity
Dual band (2.4GHz and 5GHz)
Beam forming
Street cells
12 KDDI Corporation All Rights Reserved
Services Stimulating the Offload to WiMAX
WiMAX 3G
Wi-Fi
Digital Camera
Printer
Tablet Portable Audio
Game
PC
Stimulating WiMAX usage
• IEEE802.16e-based Mobile
WiMAX
• 2.3M users and 20K BTSs as of
March 2012
• Operated by UQ
Communications: A KDDI’s
WiMAX Company
• WiMAX & 3G dual-mode
Smartphones
• Tethering is available for WiMAX
users
13 KDDI Corporation All Rights Reserved
One more thing: Design of Mobile Backhaul
L1
L2
L3
Access network Metro network Core network
MSPP: Multi-Service Provisioning Platform MSTP: Multi-Service Transport Platform
“Mobile” service is not provided by only wireless networks
Design of a backhaul is important for OPEX and CAPEX
L2/L3 SW
MSPP
CWDM DWDM
MSTP
Core Router
Multi-service
Edge
Ethernet
Access
/ PON
/ MC
Carrier Ethernet
WiFi AP
or
BTS
WiMAX / 3G/4G RAN
14 KDDI Corporation All Rights Reserved
Summary
KDDI's 3M strategy
Multi-device, -network and –use are providing
various choices for customer
Data explosion in mobile networks
Caused by smartphones and other data communication devices
Is a dead-certain phenomena
Data offloading and multi-access networks
WiFi Artifices are needed for better use
WiMAX Methodologies for faster and wider solutions for offloading