International Telecommunication Union
Requirements and
Architecture for Beyond
3G mobile Communication
Networks
Takashi KOSHIMIZU
NTT DoCoMo EU Lab
Workshop on Next Generation Networks: What, When & How?
Geneva, 9-10 July 2003
Multimedia & Ubiquitous Services
Virtual presence, Hi-Fi
ITU-T
H to H
H: Human
M: Machine
e-mail
MM mail
Voice
Net browsing i-mode
Mobile
network
Tele-metering
Remote operation
GPS
ITS
MMD
H to M
Rich content
9-10 July 2003
M to M
Automatic control
Sensors
Invisible support
Workshop on Next Generation Networks: What, When & How?
2
Forecasted Traffic
（Req-1)Huge multimedia traffic handling
35
Relative Traffic （Ref: 2000）
ITU-T
29.7
30
25
20
(a) 100Mbps downstream
UHMM service emerges.
(b) Multimedia traffic
increases 50% /year.
(c) Saturation of 1G/2G
service traffic.
(3)
15%
(2)
26%
15
(4) DL: 30M - 100Mbps,
UL: 3M - 30Mbps
(3) DL: 10 Mbps, UL:128 kbps
(2) DL: 2 Mbps, UL:128 kbps
(1) DL: 384 kbps, UL: 64 kbps
91%
10
6.2 Times (from 2000)
5
0
9-10 July 2003
(4)
23%
Multimedia Traffic
59%
1G/2G Services
(1)
27%
SD
SM
9%
2010
2015
[Forecast by ITU-R
TG- 8/1 for Asia]
[Estimated from report of
Telecommunication
Council of Japan]
DL/UL: 64 kbps
DL/UL: 14 kbps
Voice DL/UL:16 kbps
Year
Workshop on Next Generation Networks: What, When & How?
3
Possible Number of Users
in the Future
ITU-T
Vision 2010
（Millions）
１２０
１００
Cars
６０
Bicycles
５０
Portable PCs
Motorcycles、Ships、Vending Machines １０
２０
Pets （Cats、Dogs）
Humans
３６０
9-10 July 2003
情報家電等
Home Appliances
（Millions）
TV, Set Top Box
９０
Digital Still Cameras ３０
２０
４０
Video Cameras
Refrigerators
１８０
Others
３０
Parcels
２１０
Workshop on Next Generation Networks: What, When & How?
4
Access System Capabilities
(Req-2)Diversified wireless access accommodations
Mobility
•
•
•
•
ITU-T
2G
４G
3.5G
3G
High-speed
High-capacity
Low bit cost
IP-based
Nomadic
Wireless Access
Ubiquitous
NW
Ubiquity
Millimeterwave
LAN
0.1
1
•
•
•
•
10
100
low-speed & capacity
intermittent & scattered
very large number
IP-based / non IP-based?
Information
Speed (Mbit/s)
（ number of terminals/distribution density/real time/total information volume ）
9-10 July 2003
Workshop on Next Generation Networks: What, When & How?
5
Diversified Mobility
(Req-3)Advanced Mobility Management
ITU-T
Speed Variety
Geographical restriction
IP2
MM
3G MM
Unique
Management
Diversified
Management
for each
all mobility
mobility
Group movement
Passengers on a train
9-10 July 2003
Workshop on Next Generation Networks:
What,
How?
Parcels
onWhen
trucks&on
a ship
6
Service Continuity
(Req-4)Seamless Service Support
ITU-T
Video Conf. Server
Beyond IMT-2000
Content Seamless
Big screen・HiFi
Small screen・LoFi
Small screen・Text Big screen・HiFi
Device Seamless
Video Conf. Client
NW Seamless
ad-hoc NW
Visual Phone
WLAN
Headset+ pen
Cellular
Controller
room
9-10 July 2003
indoor
outdoor
Visual Phone+TV
WLAN
branch
office
Workshop on Next Generation Networks: What, When & How?
7
Relation with ASPs
(Req-5)Application Services Support
Basic
Service
Support
ITU-T
Security
Functionalities not
easily supported
by small ASPs
OpenAPI
Billing
QoS
IP
Network
ASP
Mobile-specific Support
Location
Information
User/Terminal
Profile
9-10 July 2003
Mobility-supporting
Functionalities
Seamless
Support
Workshop on Next Generation Networks: What, When & How?
8
IP2 General Architecture
2
IP
ITU-T
ASPs
(IP based IMT Platform)
AP1
AP2
Requirements
(Req.1) Huge multimedia
traffic handling
(Req.2) Diversified wireless
access accommodations
(Req.3) Advanced
mobility management
(Req.4/5)
Seamless/ubiquitous services
support
AP3
Service Support Layer
NW Control Layer
IP-based Transport Layer
The Internet
W-LAN
4G
9-10 July 2003
W-CDMA
Workshop on Next Generation Networks: What, When & How?
9
Distributed End-to-End Mobility Management?
New York
ITU-T
HA
Paris
＠Paris
What
is are
busyyou
for working
doing
Paris?
in
NewinYork!
CoA(Paris)
Tokyo
is in Paris.
Paris
CoA（Paris）
Paris
User/Operator Requirements
◆ Optimum Routing
・・ Yes
◆ Efficient Transport
・・ No! （Encapsulated）
・・ No!!（Disclosed to 3rd Party）
◆ Location Privacy
Workshop on Next Generation Networks: What, When & How?
9-10 July 2003
10
Make “All Internet Mobile”
New York
ITU-T
is busy for working
in New York!
Paris
Where is
?
HA`
＠Paris
RParis
IP2
is in RParis
＠Paris
Tokyo
RTokyo
RParis
Paris
R
＠Paris
User/Operator Requirements
◆ Optimum Routing
◆ Efficient Transport
◆ Location Privacy
9-10 July 2003
・・ Yes!
・・ Yes!! （No encapsulated）
・・ Yes!!!（Confidential to 3rd Party）
Workshop on Next Generation Networks: What, When & How?
11
Separation of NW Control from Transporting
ITU-T
NW Control Layer
Handover
Rerouting
Callforwarding
Soft
HO Muiti Mobility
Call/session
cast
Management
Control
Copy
Rerouting
Copy
Transport
AP
Move
AP
Move
AP
AP
9-10 July 2003
AP
AP
AP
Workshop on Next Generation Networks: What, When & How?
12
Combination of Location Mgt.
& Routing Mgt.
ITU-T
LA1
Location Routing
MH@LA2 Manager Manager
MH@LA1
MH@AR2
MHa:AR1
AR1
AR2
Paging to LA2
LA2
9-10 July 2003
Workshop on Next Generation Networks: What, When & How?
13
Plug & Access
to Diversified Radio Systems
ITU-T
NW Control Layer
Plug & Access
Common RRM
RRM
W-LAN
W-LAN
W-CDMA
New-Radio
MM,
QoS
etc.
Radio resource
Information
W-CDMA
RRM
Radio resource
Information
New Radio
New Wireless
9-10 July 2003
Common interface
independent of radio
access systems
RRM
Radio resource
Information
Transport NW
Workshop on Next Generation Networks: What, When & How?
14
Summary
ITU-T
IP2 towards Mobile NW and Internet
Convergence
Seamless/Ubiquitous
Service Support
Contents
Converter
Plug &
Access
RRM
Coordinator
Service
Manager
QoS /Session
Manager
Terminal
Profile
User
Profile
Location
Manager
Routing
Manager
Transport NW layer
Diversified
Mobility
Management
Intelligent
NW Control
High-speed
Transport
4G
All Internet Mobile
9-10 July 2003
★ Evolve from IMT-2000 families
Workshop on Next Generation Networks: What, When & How?
15
ITU-T
9-10 July 2003
Workshop on Next Generation Networks: What, When & How?
16