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이동통신서비스의 발전 3 세대 IMT-2000 기술개발 무선데이터 서비스...
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Transcript of 이동통신서비스의 발전 3 세대 IMT-2000 기술개발 무선데이터 서비스...
1IMT-2000 Technology Development Associaton
이동통신서비스의 발전
3 세대 IMT-2000 기술개발 무선데이터 서비스
차세대이동통신기술개발협의회한 기 철 Ph. D
2000.11
2IMT-2000 Technology Development Associaton
3 세대 IMT-2000 기술개발
3IMT-2000 Technology Development Associaton
한국 IMT-2000 개발 계획 IMT-2000 1 단계 연구개발 (1997-1999)
ETRI 를 중심으로 한 기반기술연구 위주 삼성전자 , LGIC, 현대전자등 국내 제조업체 참여 개발된 기술은 기술개발에 참여한 제조업체에 전수 완료
IMT-2000 2 단계 연구개발 (2000-2002)
제조업체 중심의 상용기술개발위주 cdma-2000 시스템은 각 제조업체별 독자적으로 개발수행 W-CDMA 시스템은 업체별 독자개발 , 혹은 ETRI 와 공동개발로 수행
4IMT-2000 Technology Development Associaton
cdma2000 개요
BSS(ATM)
cdma2000Network
MSC(STM)
SMSC
HLR
IN
Auc
MSC(STM)
BSS(ATM)
…….
cdma2000
(MC Mode)
H & E
Inter-WorkingModule
Air Interface : 1x, 3x-MC
Soft Migration to 3X evolution
Data Service Rate : 144kbps(1x), 384kps(3x)
ATM Backbone applicable
Enhance the efficiency of Data Core Network
Mobile IP availability
Compatible with ANSI-41 network used
W-CDMA
Network
5IMT-2000 Technology Development Associaton
cdma2000 모뎀칩 개발 전망
MSM23XX
MSM3000
MSM3100
MSM5000
MSM5100
MSM5105
MSM5110
iMSM4500 iMSM5500
3Q/99 1Q/00 4Q/00 1Q/01 2Q/01 3Q/01
1X MC153Kbps3000based
1X MC153Kbps3100based
1X MCBluetooth, gpsOne3300based
HDR only 1X MC + HDR
1X/3X MCBluetooth, gpsOne
6IMT-2000 Technology Development Associaton
cdma2000 도입예
Condition
Network : Overlay
Mobile Station : Single mode
Frequency Band : Cellular ,PCS, IMT-2000 Band
부산
대구대전
서울
광주
3X
1X
2 세대
F6,7
F5
F1,2,3,4
F1,2,3,4
F5
F6,7
3 세대 네트웍
2 세대 네트웍
2 세대 CDMA
F1 F2 F3 F4 F5 F6 F7
cdma2000
1x 1x 1x
3x
주파수 (FA)
3X
1X
7IMT-2000 Technology Development Associaton
cdma2000 시스템 모델링
BTS0 BSC0
· MSC VLRPC
IWF
IP
HLRSCP
SCE/SMS
BTS47
BTS8 BSC8
PSTN
PLMN
Video Phone
PDA
BTS0
BSC11PSD N
InternetCAN
DCNDCN
PDSN(FA)PDSN(FA)
HAHA
CAN : Central ATM NodePDSN : Public Data Serving NodeHA : Home AgentFA : Foreign Agent
8IMT-2000 Technology Development Associaton
cdma2000 시스템
LG 정보통신 MC ANSI-41 system
현대전자 MC ANSI-41 system
9IMT-2000 Technology Development Associaton
cdma2000 개발 결과물
cdma2000 modem for Terminal cdma2000 modem for Base Station cdma2000 HPA for Base Station H.263 video codec. MPEG4 video codec. ATM Router for BSC
10IMT-2000 Technology Development Associaton
cdma2000 SIM 기술개발 SIM(Subscriber Identity Module in GSM),USIM(3GPP),R-UIM(3GPP2) No commercial service in CDMA Need to acquire user security and mobility in 3G
To meet the necessity, R-UIM is being studied
• 3GPP2 TSG S,C• using interface of GSM11.11 and ISO7816-x• using spec. of 3GPP S.R0009, C.S0023, and TR45.2• authentication by ANSI-41 based CAVE
Qualcomm supports R-UIM from MSM3000/3100
Development of R-UIM board by interface of SURF1000&SURF3100 R-UIM Handset to roll-out in 3Q/00 in China
SURF1000/SURF3100
R-UIMCard
11IMT-2000 Technology Development Associaton
BSS(ATM)
W-CDMANetwork
MSC(ATM)
SMSC
HLR
IN
Auc
MSC(ATM)
BSS(ATM)
…….
W-CDMA
(DS Mode)
Inter-WorkingModule
H & E
W-CDMA 개요
Air Interface : DS
Data Service Rate : 384kbps
Asynchronous among cells
3.84 Mcps Chip Rate
Network based on GSM-MAP
ATM Backbone selected
cdma2000
Network
12IMT-2000 Technology Development Associaton
BS
MSC/SSF/VLR
Internet
HLR AuC
PSTN/ISDN/other CS PLMN
VMS
BS(DS) RNCSGSN GGSN
EIRSMSC
GMSC/SSF
SCP
MT(DS)
SGSN : Serving GPRS Supporting NodeGGSN : Gateway GPRS Supporting NodeEIR : Equipment Identification RegisterSMSC : Short Message Service CenterSCP : Signal Control PointSSF : Signal Switching Function
W-CDMA 시스템 모델링
13IMT-2000 Technology Development Associaton
W-CDMA 시스템
LGIC DS GSM System
15IMT-2000 Technology Development Associaton
2,3 세대 CDMA 망진화
IMT-2000(case1)
IMT-2000(case3)
IMT-2000(case4)
MS
MS
MS
MS
BTS
BTS
BSC
BTS
BTS
RNC
RNC
MSCTDX-10
MSCATM
MSCATM
HLR
HLRATM
ATM
Packet
IS-95
cdma2000
W-CDMA
W-CDMA
CellularPCS
IS-41
IS-41
GSM MAP
BTSMS BSCcdma2000
ATMIMT-2000(case2)
ATM
ATM
PSTN
PSTN
PDSNInternet
16IMT-2000 Technology Development Associaton
Terminal Types of IMT-2000 (1)
Voice only Terminal model
Backward compatibility to CDMA and PCS Variable rate 8 kbps CS-ACELP 8 kbps EVRC (CDMA) 13 kbps QCELP (PCS) Notebook PC with low speed circuit data
communication
17IMT-2000 Technology Development Associaton
Terminal Types of IMT-2000 (2)
Notebook PC connected wireless data Modem terminal model
Wireless data Modem Not support voice service 8/32/64/128/384 kbps circuit/packet data
service Message store and replay Internet service
18IMT-2000 Technology Development Associaton
Terminal Types of IMT-2000 (3)
Low-speed data terminal model
Not support voice service low-speed data only terminal such as PDA and
electronic pocket book Data service less than 14.4 kbps Message store and replay
19IMT-2000 Technology Development Associaton
Terminal Types of IMT-2000 (4)
High-speed data terminal model
Not support voice service Medium/high-speed data only terminal
with keypad, keyboard, and pen input function
8/32/64/128/384 kbps circuit/packet data service
Support internet service by packet communication
20IMT-2000 Technology Development Associaton
Terminal Types of IMT-2000 (5)
Video terminal model
8 kbps voice H.324 video/voice, MPEG-4, JPEG 32/64/128/384 kbps service 480 x 240 color LCD Still image (terminal for PSTN) Image portable : classified into several
grades by video quality High quality video phone with no less than
128 kbps
21IMT-2000 Technology Development Associaton
Terminal Types of IMT-2000 (6)
Mixed terminal model
With keypad, keyboard, and pen input function Simultaneously support voice, video and data
service 8/32/64/128/384 kbps circuit/packet data
service Packet data terminal Primitive mobile computing terminal
22IMT-2000 Technology Development Associaton
무선데이터서비스
23IMT-2000 Technology Development Associaton
[Source : UMTS Forum]
무선데이터서비스 가입자 전망
0
10 M
20 M
30 M
40 M
50 M
60 M
70 M
1996 1998 2000 2002 2004
Mobiledata users world-wide
0.8 0.8 Mbyte/user/monthMbyte/user/month
3M 3M users worldwide users worldwide1.1 Mbyte/user/month1.1 Mbyte/user/month
Su
bs
cri
be
rs (
mil
lio
n)
77M77M users world-wide users world-wide30 30 Mbyte/user/month Mbyte/user/month
Skyro
cket
ting
24IMT-2000 Technology Development Associaton
무선인터넷 서비스 (mobile)
Information Providing using Data Base
Voice
10 kbps 100 kbps 1 Mbps 10 Mbps
Mobile Banking
Data Service(Image,Music)
Mobile Shopping
Video Telephony
Video Conference
.
범주범주
Service
Wireless
Trading
VAS
Wireless
Computing
제공 서비스제공 서비스
E-mail Intranet E-mail alarm
Mobile Trading
Mobie Banking
Mobile Booking
Forecast
Sports, Traffic Information
News Center
Expert Infomation Search
Mobile Intranet Networking
Mobile Groupware
제공
서비
스
데이터 속도
25IMT-2000 Technology Development Associaton
messaging organiser finance location VA voice
financial weather sports newscatalogues directories
online communities
entertainment online auctions web browsing
financial education commandemergency
services field
operations
conferencing collaborative
working intranet email file transfer database
electronic ticketing
tolls coupons vending
personalised Info/news Entertainmentlifestyle
verticalMobileoffice
Smartinfrastructure
BusinessToCusumer
BusinessToBusiness
Goods Services Information
ShoppingVendingTrading
Procure-Ment
Trading
GamblingGaming
TicketingE-cash
BankingDiscount&loyaltyschemes
Paid-forInformationadvertising
By 2005
• 500 million users• $200 billion total revenues• $17 billion mobile operator revenues
무선인터넷 서비스 (internet)
26IMT-2000 Technology Development Associaton
무선인터넷 솔루션Internet Protocol
WAP, i-mode(HTML based)
Connectivity
Bluetooth
IP Capacity
IPv6
Mobility
Mobile IP
ALL Wireless Network
MANET
3G IMT-2000
GPRS(3GPP)
PDSN, AAA, HA(3GPP2)
WAP Wireless Application Protocol
MANET Mobile Ad-hoc Network
GPRS General Packet Radio Service
PDSN Packet Data Serving Node
AAA Authentication, Authrorization, Accounting
HA Home Agent
27IMT-2000 Technology Development Associaton
한국의 무선인터넷모든 이동통신 사업자가 무선인터넷을 지원
SKTelecom(n-top), Shinsegi Telecom(i-touch), KT Freetel(Personet),
LG Telecom(ez-i), Hansol M.com(Mobile M)
WAP 과 HTML series 가 공존
WAP : SKT, STI, LGT
HTML : KTF, HSM
사용자를 만족시킬 다양한 서비스컨텐트가 필요
Interenet Surfing / Shopping
Mobile Banking / Stock trading / Booking
Location check service
Chatting, E-mail, E-commerce…
급격한 무선인터넷시장의 성장으로 ISP 시장의 확대
28IMT-2000 Technology Development Associaton
무선 인터넷 단말기WAP 지원 PDA
WAP 지원 스마트폰
WAP 지원CDMA 단말기
무선모뎀장착 노트북
영상단말기
29IMT-2000 Technology Development Associaton
WAP 네트웍
Web Server
Content
CGIScripts
etc.
WM
L D
ecks
wit
h W
ML
-S
crip
t
WAP Gateway
WML Encoder
WMLScriptCompiler
Protocol Adapters
Client
WML
WML-ScriptWTAI
Etc.
HTTPWSP/WTP
WAP Application Server
Content
ApplicationLogic
WM
L D
ecks
wit
h W
ML
-S
crip
t
WML Encoder
WMLScriptCompiler
Protocol Adapters
Client
WML
WML-Script
WTAI
Etc.
WSP/WTP
1. With WAP Gateway
2. Without WAP Gateway
30IMT-2000 Technology Development Associaton
고속데이터전송
용량 / 품질
로밍
이동성
AMPSGSM
cdmaOne
- HDR- cdma2000*
- W-CDMA
Key Drivers
IS-95C
고용량 / 수용량Technology Response
무선데이터 시장의 주요기술
31IMT-2000 Technology Development Associaton
HDR(HighDataRate)
IMT-2000 MC-3x• 동일 시스템 안에 1x 와 3x 가 공존• 384Kbps 대칭형 데이터
HDR• 인터넷의 비대칭형 데이터 전송에 최적화
• 다운링크에서 최고 2.4Mbps 평균 600Kbps
: 1.25 MHz 채널
: 4 ~ 5 MHz 채널
IS-95A
• 14.4Kbps 대칭형 데이터
IMT-2000 MC-1x 대부분 음성 시스템을 휘주로 서비스 되며 장기간에 걸쳐 서비스가 계속됩니다 .• 주파수 이용효율이
배로 증가
• 153Kbps 대칭형 데이터
IS-95B
• 14.4/115.2kbps 비대칭형 데이터
• 음성과 데이터 채널을 구분하여 데이터채널의 Throughput 을 극대화한 데이터 전용 CDMA 기술• Downlink 2.4Mbps(Max), 평균 섹터당 Throughput 은 Downlink 600kbps, Uplink 220kbps 의 비대칭형 .• 네트웍환경에 영향 적음 (BSC 구조의 변경으로 GSM, ANSI41 compatible)• 고정환경 유리 , 이동환경 취약 ( 이동시 평균데이터 Throughput 은 ½ 까지 하강 )
32IMT-2000 Technology Development Associaton
TD-CDMA TD-CDMA
- 칩율 : 3.84 Mcps - 액세스 방식 : TD-CDMA - 펄스성형 : Root Raised Cosine - 데이터 전송률 : ~ 2 Mbps - 슬롯 길이 : 625 µs - 슬롯갯수 : 16 - 프레임 길이 : 10 ms - 확산계수 : 16 (1,2,4,8) - 변조방식 : QPSK - 비대칭 트래픽 지원
2 4 6 8 10 12 14 16
Codes1-8
Energy
Time
Frequen
cy
frame with 16 time slots
TD-CDMA
625us
10ms
time
channel bandwidth
po
wer
den
sity
33IMT-2000 Technology Development Associaton
무선 포털 (portals) 무선 사업자의 포털서비스는 기존의 인터넷 개인 포털서비스와 공유될 수 있다 .
PDAPDA
MSMS
PCPC
PortalVoice dialling
Personal directory
Unified Messaging
Personal schedule
Content
E-commerce
Location BasedServices
Advertising
Mobile Banking
Electronic Bill Payment
인터넷 포털서비스
Portal
• Real Time• Portable• Personalized• Location
34IMT-2000 Technology Development Associaton
Business models(1)
User
Wireless Portal
Mobile Operator
Content Provider
Mobile AdNetworks
MobileSales reps
Ad AgencyNet Advertising budget
AdvertiserGross Advertising budget
Mobile infomediary
Pays SubscriptionData feesCall traffic
Ad networks take 30 to 40%
Sales reps take20 to 40%
Ad revenues : 60~70%
Ad revenues : 60~80%
Ad Revenues65~75%
InformediaryTakes 25~35%
Ad Agency takes10~15% commission+production costs
Business models will become more complicated
35IMT-2000 Technology Development Associaton
Business models(2)사업모델은 시장과 응용서비스의 종류에 따라 다양화 될 것이다 .
이동통신이 시장을 지배하는 경우
주요사업자가 지배하는 모델
예 ; Japan, France
망사업자의 서비스 요금 수납 대행
인터넷이 시장을 지배하는 경우
수평적인 포털사이트가 지배하는 모델
예 ; Yahoo, AOL
망사업자의 접속료 , 포털은 정보 이용 요금
응용서비스
예 ; 은행 , 증권거래소 , 금융서비스 제공 업체가 주도하는 사업모델
36IMT-2000 Technology Development Associaton
세계적 동향 = f (mobile,internet)
0% 20% 40% 100%80%60%
0%
10%
20%
50%
40%
30%
HongKong
ItalySouth Korea
Portugal
UAESpain
France
Germany
South Africa
Japan
UK
AustrailiaCanada
USA
Singapore
Sweden
Finland
Mobile Penetration by 2000
Inte
rnet
Pen
etra
tio
n b
y 20
00
이동통신지배적
인터넷지배적