Title: Introduction of Mobile Data Access
1Introduction of Mobile Data Access
2Outline
- Introduction
- ??????????
- 3G Market Trend
- Mobile Data Access????(PHS?GPRS?WLAN?3G)
- 3G Evolution
- ??????
3Introduction
4Mobile Data Access
Internet
5???????????
Source EMC
6???????????(Y2006)
Source EMC
7Mobile Internet????
- ??ITU?????,???????????????????????
- ?????????????????2?
8??????????
9Cellular Market Status in Taiwan (1/3)
- Deregulated cellular mobile market in 1997
- 6 GSM/GPRS operators (4 national, 2 regional)
- 2 low-tier operators (1 PHS and 1 PACS)
Taiwan GSM Market Share in subscribers (Source
DGT 2003/01)
10Cellular Market Status in Taiwan (2/3)
- 2001 penetration rate 96.6 - 2nd place in the
world - Penetration rate is over 100 now
- 24,197,642 subscribers in January, 2003
- Highly subscriber growth rate
- CAGR(Cumulative Annual Growth Rate ) 95.14
Source DGT
Source ITU Telecommunication Indicators database
11Cellular Market Status in Taiwan (3/3)
- Annual minutes of use (MOU) is increasing
- Average revenue per user (ARPU) is decreasing
2000
1998
2001
1999
Source DGT
12Mobile Data Access Market Status in Taiwan (1/2)
- Number of subscribers using WAP and GPRS is over
130,000 in December, 2001 - GPRS
- Commercial launch 3 operators (CHT, KGT,
Mobitai) - 2040 Kbps using
- 4 downlink slot (CS-2)
- Limited Services
- Other operators are still in
- commercial trial
Source DGT
13Mobile Data Access Market Status in Taiwan (2/2)
- PHS
- Commercial launch in August, 2001
- Over 527,826 subscribers (voicedata) in Jan 31,
2003 - Data rate 3264 Kbps
- WLAN
- CHT launched WLAN services on May 16, 2002
- Residential area
- Corporate campus
- Service in public areas is still under discussion
- Some ISPs launched Public WLAN services in
middle 2002 - GPRS based i-Mode
- KGT launched i-Mode commercial service on June
20, 2002 - KGT claimed over 22,000 subscribers on October 1,
2002 - KGT predicted over 100,000 subscribers in the
first half of 2003
143G Market Trend
153G????(1/3)
- WCDMA?cdma2000 ?????????????????????
- WCDMA (UMTS)?????ETSI???NTT DoCoMo??,3GPP??????,?G
SM?????3G????? - cdma2000???Qualcomm?????????????????,3GPP2??????,?
cdmaOne?????3G????? - WCDMA
- GSM????71???,????7?2????
- WCDMA??????????????
- ???GSM/GPRS???Inter-System Handover?Interworking??
- ??????NTT DoCoMo?2001?10???????,???13?
- cdma2000
- cdmaOne (IS-95)????13???,????1?3????
- cdma2000?IS-95?????,?backward???
- ??????????????????18????2000?????????(800MHz,
1900MHz)??cdma2000 1x??,???1700?
163G????(2/3)
- cdma2000????
- ??SK Telecom (SKT)?2000?10?????????cdma2000 1x??
- 2002?1?28?SKT????????cdma2000 1xEV-DO????,????????
??????(?????) - ??????38??????(?1200?)??cdma2000??
- ??KDDI?2002?4?1?????cdma2000 1x??,2002?8?????214??
?,??2003?3???700??? - ??Verizon Wireless?Sprint PCS?2002??????cdma2000
1x?? - Verizon Wireless????1xEV-DO?????
- ???IS-95???????
- WCDMA????
- ??NTT DoCoMo?2001?10?1?????????WCDMA??,??2002?8???
?133,500 FOMA (W-CDMA)?? - ?2GHz?3G???????
173G????(3/3)
Source 3G Today
183G Licenses Auction in Taiwan (1/2)
- 5 licenses totaled NT48.9 billions (US1.4
billion) after 19 days of bidding (180 rounds) - Average US0.36/MHz/population - less than other
countries in Asia Pacific - Korea US1.22
- Singapore US1.16
- HK US0.73
- Australia US0.49
193G Licenses Auction in Taiwan (2/2)
- 3G licenses awarded
- 3 incumbent operators (CHT, TCC, Yuan-Ze)
- 2 new entrants (APBW, Taiwan PCS)
20cdma2000?2GHz???
- CDMA Development Group (CDG)?8?cdma2000??????2002?
8??????(MoU),???2.1 GHz??(?3G??)?cdma2000?????????
?? - Ericsson, LG Electronics, Lucent Technologies,
Motorola, Nortel Networks, Qualcomm, Samsung and
ZTE - 2 GHz??????2002?9????????????(Ministry of
Information Industries, MII)???????,???????2003?2?
???? - ??KDDI?????800MHz???cdma2000 1xRTT?????(800MHz?2GH
z)?1xEV-DO - ?Samsung?Hitachi??????
- 800 MHz???????2003??4???????
- 2 GHz??????2003?4?????
21WCDMA????(1/3)
Note 1 Network started operation to satisfy
licensing requirements, in limited areas
beginning of commercial service depends on
handset availability
Source ITU
22WCDMA????(2/3)
- ???????Mobilkom?9/25????3G??(Ericsson/ Nortel)
- ???????????????,??????????
- ??????(Hutchison Whampoa)????????3G?????2002????3G
???? - ???3G??(??3)?10??????????
- ???500????,??????10000?
- NEC??3G/GSM????
- ????3G??(??H3G)???12?????????
- ???????3,500???,???????2,200???
- Vodafone???2003???????????3G????
- ????????????3G???????????????????????
- ??Orange??3G????2004???????????
23WCDMA????(3/3)
- ????(China Mobile)????WCDMA??,?????????????cdma2
000?????? - ????3G??????2003???,??2004?????3G????
- Ericsson?9/24???Telia?Hi3G??????????WCDMA/GSM?????
????????? - ??384Kbps????????
- Nortel?Qualcomm?10/10??UMTS voice?data??
- ??1900 MHz??
- up to 384kbps network-based circuit and packet
handovers - Nokia?Sonera?9/26?Sonera?WCDMA???????????????
- picture messaging and e-mail
- video clips and games
24??3G????
25DoCoMo FOMA??
- DoCoMo ??FOMA????????
- 150,000 FOMA sub. by March 2002 gt400,000_at_02E
- 90 population coverage within two year (3Q2003)
- 97 population coverage by March 2004
- FOMA sub. to overtake existing i-mode sub. by the
end of 2006 - 2G (PDC) sub. will peak in 2005, phase out by
2010 - FOMA??
- Voice communication service
- 384Kbps downlink Packet communication service,
64Kbps uplink (??video/music??) - 64 Kbps Circuit-switched data (??video
conference) - 2002?10?????140,000??
- ???????,????????(??????69???)
- ???PDC?cdma2000????12?
- ??2003????FOMA/PDC????
- ????????(?????????.)
26FOMA-NTT DoCoMos 3G Services
- Voice communications
- Landline-equivalent quality voice services
- Visual communications
- 64kbps video phone services
- i-mode service
- The DoCoMos mobile Internet services
- i-motion service
- Audio and video file download services
- High speed data communication (up to 384 Kbps)
- Multi-access service
- Making calls while using i-mode services
27KDDI cdma2000??
- ??KDDI???2002?4?1???cdma2000 1x??(800MHz)
- ?????1690?(?PDC?cdmaOne?cdma2000 1x)
- 8????214?cdma2000 1x??,???????13
- ????43???,????64Kbps,????144Kbps
- ?????cdmaOne??
- ??2003??4?????cdma2000 1xEV-DO??(800MHz
2GHz),???2.4Mbps????(?Samsung Hitachi??)
03/0208/02,DoCoMo????110?,KDDI??50?
283G Market Status in Europe
- Manx Telecom in UK
- The first telecommunications operator in Europe
to switch on a live 3G network at Isle of Man on
December 5, 2001 - Voice and up to 384 Kbps PS data services
- Point-to-point video conferencing
- Information services (e.g., weather, finance,
sports news, horoscope, ) based on WAP - Video clip and postcard download
- Location-based services
- Mobile office and online games
- Monaco Telecom
- Voice and up to 384 Kbps PS data services
293G Market Forecast
- Many factors slow down the 3G deployment
- General worldwide economic downturn
- Telecom sector-specific downturn
- Delays in infrastructure and mobile terminal
availability - Lack of killer applications
303G Services Forecast
31Mobile Data Access????(PHS?GPRS?WLAN?3G)
32PHS??????
33PHS????????
34PHS ????(1/2)
PHS 32kbit/s Bearer ????
- ??????bypass ADPCM
- ????32kbps/64kbps???
- ????64kbps??
- ????32kbps/64kbps???
DTE
ISDN
T/A
32 kbit/s
64 kbit/s
32 kbit/s
35PHS ????(2/2)
PHS 64kbit/s Bearer ????
- ????32kbps?slot??
- ??Hand-over
DTE
DTE
ISDN
T/A
PS
ADPCM
64 kbit/s
36What is GPRS
- GPRS ?General Packet Radio Service
???,????????(Packet)????????,???????GSM???,???????
?????????9.6 Kbps???100 Kbps??? - GPRS ?????????????Voice Band Data
?????????????????????????????2.5G ????
37Major Concept of GPRS
- Packet Switch Data Service ????
- Permanent Virtual Circuits (PVC) ??
- High Speed ??
38GSM Architecture
39Architecture - GSM with GPRS
40GPRS ????
GPRS???GSM?????????????????
- 1. SGSN( Serving GPRS Support Node )
- ?MSC/VLR???
- ???????????, ???????
- ?????GGSN, ??????????????
- 2. GGSN ( Gateway GPRS Support Node )
- GPRS?????????????
- ???????SGSN?address, ?????????????????
- 3. PCU ( Packet Control Unit )
- ???????????
- ???????????????
41GPRS Timeslot Usage
- GSM voice network dimensioned for busy hour
Grade of Service ? spare capacity. - Data can utilise spare capacity pre-emption of
data by voice ? no dedicated GPRS resources - Many users permanently attached ? instant
access to services
42GPRS?GSM??????
- 1. GPRS only
- ???GPRS?????
- 2. GSM only
- ???GSM voice?circuit switched data?????
- 3. GPRS with GSM pre-emption
- ??GSM????,???????GPRS??
- ?GSM????????, ??GPRS????, ?????????GSM??
1 TDMA Frame
???? Nortel
43WLAN
???????????(IEEE)?1997????IEEE 802.11????????,??19
99?9?????IEEE 802.11b????????,?????????,??????????
?????2Mbps??11Mbps ????????????802.11g ?
802.11a???????,???????????2003?????????802.11b?802
.11a?????
44???? (Indoor Use)
?????????? (Ad-Hoc Mode)
45???? (Indoor Use)
????? (Access Point)??????? ?????????????????
(Roaming)
46???? (Public Use)
???????? (Campus Roaming)
intranet
intranet
47???? (Public Use)
???????? (Internet Wireless Access )
48???? (Outdoor Use)
??????????? (Wireless Bridge)
493G Data Rate Requirements
50Cellular Mobile Network Evolution
51IMT-2000 Terrestrial Standards
Source ITU
52Main Parameters of UMTS
- Frequency band (ITU Allocation)
- FDD Downlink 1920-1980 MHz, Uplink 2110-2170 MHz
- TDD 1900-1920 and 2010-2025 MHz
- Carrier bandwidth 5 MHz
- Multiple access method DS-CDMA
- Duplexing method FDD/TDD
- Chip rate 3.84 Mcps
- Spreading code OVSF
- Frame Length 10 ms, 15 slots per frame
- Asynchronous base station operation
- Use of pilot symbol and common pilot channel
- Fast power control 1500 Hz
- ATM-based radio access network
- Evolved GSM/GPRS core network
53UMTS R99 Standard
- Key technologies
- UTRA FDD/TDD (3.84 Mcps)
- ATM-based UTRAN
- IP as an alternative control signaling bearer
- Radio access network
- Network elements Node B and RNC
- ATM-based Iu/Iub/Iur interface
- Core network
- Network elements in CS domain
- MSC/VLR, GMSC, HLR
- Network elements in PS domain
- SGSN, GGSN
- RADIUS, DNS, DHCP
- Reuse GPRS IP backbone network
54UMTS R99 Architecture
553G Terminals (1/2)
- Large, full-colored screen
- Over 50 3G terminals will equipped with color
display by 2004 - Greater CPU processing power
- Processing power required for MPEG-4 is about
130-160 MIPS - Flash RAM size requirements
- Code size required for UMTS is twice of that for
GPRS - Convergence of media, data, and Telecom
- Equipped with video camera, speech recognition,
- Integrated with different protocols (IP and WAP)
- Longer battery capacity
- Convergence towards mobile multimedia devices
563G Terminals (2/2)
Source UMTS Forum
573G Evolution
58UMTS Rel-4 Architecture
- Additional features in RAN
- TD-SCDMA (1.28 Mcps)
- GERAN (GSM/EDGE RAN) with Iu interface
- Bearer independent concept in CN
- MSC server and MGW
59UMTS Rel-5 Architecture
- Additional features in RAN
- High Speed Downlink Packet Access (HSDPA)
- High-order modulation (16/64 QAM)
- AMC (adaptive modulation and coding scheme)
- Hybrid ARQ (automatic-repeat-request)
- Data rate up to 8 Mbps
- All IP in CN
- IP multimedia CN subsystem
603G Evolution
61Summary
- By 2010, major revenues of 3G services are coming
from 6 categories of 3G enabled data services and
simple voice service - WCDMA and cdma2000 technologies will dominate the
3G market - 3G Evolution
- UMTS network (RAN and CN) is evolving towards
ALL-IP network to converge voice and data
services - Heterogeneous network integration of WLAN and
GPRS/3G - Key issues for 3G
- Mobile terminals (display, battery, multimedia
support)? - Killer applications?
- Business model?
62??????
63????????GPSGPRS Based ????
64?? - ????
- Efficient Shipment Tracking Performance
Monitoring
65?? - ????
- Real-time Acurate Inventory Control
66?? - ????
???? ? ?
- Effective Data Access Knowledge Transfer
67GSM-based i-Mode ????
Source NTT DoCoMo
- ????????NTT DoCoMo proprietary ?
PDC-P??,???????????i-Mode????9.6Kbps
packet-switch ??????? - ??????????iHTML?????????????????
68i-Mode ??????
Source NTT DoCoMo
69PDA ???M??????
70?? ?????
- ???
- ????
- ????
- ???
- ????
- ???
- ???
- ????
- ??
- ??
- ??
- ??
- ?????
- ????
71?? -??
- ????
- ??????,SMS Alarm
- ????
- ???? ( Video Stream )
- SMS Alarm
- E-mail(UMS)??
- ????
- ???? ( Video Stream )
- SMS Alarm
- E-mail(UMS)??
72????????
GSM ?? GSM?? PHS ?? GPRS Public WLAN 3G
?? 5?/?ISP?? 2?/packet 1?/?ISP?? 0.0020.03? /packet 1?/???????(100?/?) 0.03?/packet(?1)
???? 9.6Kbps 9.6Kbps 3264Kbps 115Kbps(???) ?2040Kbps(???) Up to 11Mbps,??????????? 144kbps2Mbps
???? ??95?????? ??95?????? ??????????? ??95?????? ??????????????? ?????
?? ??????,??????delay ???????????delay ????????????????????????????? ???????????????? ??????????????????,???????????????????? NA
(?1) ??NTT DoCoMo FOMA ???? 0.1 Yen/packet
73Thank You