wireless internet access : wibro15 broadband it korea15 wibro should support the ieee standard...

Wireless Internet Access : WiBro

Wireless Internet Access : WiBro

July. 5. 2005

MIC

KOREA

2Broadband IT Korea2

Contents

WiBro Service & StandardizationIIII

WiBro PolicyIIIIII

WiBro Future in KOREA

IntroductionII

Comparing WiBro with Others`

VV

IVIV


INTRODUCTION[1]- BackgroundINTRODUCTION[1]- Background

The limit of spreading the wireless internet activity

Mobile : Lower speed, High cost

WLAN : Small cell coverage (100m), No-mobility

Requirement of new wireless

internet service supporting

mobility and low cost

31% increase per year31% increase per year

World Wireless Internet market prospectWorld Wireless Internet market prospectWorld Wireless Internet market prospect

46

366

64

404

85

446

109

485

134

523

0

100

200

300

400

500

600

2, 003 2, 004 2, 005 2, 006 2, 007

Wi rel es s i n tern et s a l e Mo b i l e p h o n e s a l e

Lead the world wireless internet market launching the cdma2000 1X, EVDO service

Lead the world wireless internet market launching the cdma2000 1X, EVDO service

Korean Wireless Internet market statusKorean Wireless Internet market statusKorean Wireless Internet market status

Source : IDC, 2003.3.Source : IDC, 2003.3.

(Unit:billion $)(Unit:billion $)

(unit: 10 thousand $)(unit: 10 thousand $)

2, 724

121, 066

5, 348

138, 134

12, 044

149, 417

22, 175

158, 617

0

50,000

100,000

150,000

200,000

2000 2001 2002 2003

Wi reles s i n tern et s a le Mob i l e p h o n e s a le

Broadband IT Korea4

INTRODUCTION[2]– PositioningINTRODUCTION[2]– Positioning

Strong needs to High Speed Portable Internet:

TxRate

MobilityFixed Low Mobility Mobile

MobilityMobility Low CostHigh Data Rate

Low CostHigh Data Rate

PI ServiceWiBro

PI ServiceWiBro

High-Speed Internet

WirelessLAN

4G Mobile Communication

3G Mobile Communication

WiBroWiBro

WiBroWiBroWiBro

Mobility HighData Rate

Anytime,Anywhere Low Cost


Contents


WiBro PolicyIIIIII


IntroductionII

Comparing WiBro with Others

VV

IVIV


WiBro Service[1] – ConceptWiBro Service[1] – Concept

“Fixed & Mobile” ““AnywhereAnywhere”” ““HighHigh--speedspeed”” ““Low costLow cost””

WLAN or wired internet access updated with mobility and seamless handover

“Wireless access of high-speed internet”

■ Low mobility- 60km/h

■Seamless access and handover

■ 1Mbps user rate

■ and speed up later

■ $30-$40/month■ flat and volume

[Phone] [PDA] [Hand-held PC] [Laptop PC]

Terminal

Terminal

[Laptop PC withPhone or PDA]

[Laptop PC with PCMCIA card]


WiBro Service[2] – ConceptWiBro Service[2] – Concept

IP based convergence backbone

WLAN(2.4, 5, 60GHz)Cellular(2G/3G)

(0.8, 1.8GHz)

IN-building

PicoCellMicroCell

MacroCell

UrbanRural

WiBro(2.3GHz)

Mobile gets IP IP goes mobile

WiBro services & IP based network convergence


WiBro Service[3] – MarketWiBro Service[3] – Market

Market creation of 8.9 million subscribers and $3 billion salesEffects of $18 billion industry and new 270 million employees

(source : KISDI, 2004.6)

0

50

100

150

200

250

300

350

Y Y+1 Y+2 Y+3 Y+4 Y+5

Sale

s (

million $

)

0

1

2

3

4

5

6

7

8

9

10

Subscri

bers

(m

illion)

Sale

subscriber

WiBro Sales and SubscribersWiBro Sales and Subscribers

Communication &

Industry production$17. 90 billion

Value creation $ 7. 43 billion

Export induction $ 6,28 billion

Import Induction $ 4.63 billion

(source : ETRI, IT trend analysis,2003.10)

Economy EffectsEconomy Effects

10,000

20,000

30,000

40,000

50,000

60,000

70,000

0Y Y +1 Y+2 Y+3 Y +4 Y +5

<Employment>

Broadband IT Korea9

WiBro– Frequency & operator Determination ProcedureWiBro– Frequency & operator Determination Procedure

Analysis of GBAnalysis of GB

GB between 2.4GHz WLAN & WiBro

GB between 2.4GHz WLAN & WiBro

Inter-operators

GB

Inter-operators

GB

MCL & SLS MCL & SLS

CH BWCH BW

MCLMCL MCL & SLS MCL & SLS

4.5MHz4.5MHz Min 10MHzMin 10MHz 9MHz9MHz

Analysis of required BWAnalysis of required BW

Number of subscribers(9,450,000)

Number of subscribers(9,450,000)

Subscriber’s trafficHandphone: 6kbpsNotebook: 39kbps

Subscriber’s trafficHandphone: 6kbpsNotebook: 39kbps

Traffic/cell ÷ System capacity Traffic/cell ÷ System capacity

62.49MHz62.49MHz

Analysis of traffic load : 2 ~ 3 operator (77.1%), 4 operator (86.8%)Frequency efficiency : 2 ~ 3 operator (81%), 4 operator (72%)

It’s prefer to choose less than 3 operator according to frequency efficiency

Broadband IT Korea10

WiBro– Frequency Re-allocationWiBro– Frequency Re-allocation

2.3 GHz Frequency AllocationFrequency allocation announcement(1998.2): WLL

2.3 GHz Frequency Re-AllocationRe-allocated to WiBro service(2002.10)

Frequency license period: 7 years

Frequency license fee: 3% of sale

2.2GHz 2.4GHz

1FA 2FA 3FA 4FA 5FA 6FA 7FA 8FA 9FAGB GB GB

2.3 2.327 2.3315 2.3585 2.363 2.39 2.4GHz

A Operator(27MHz)4.5MHz 4.5MHz 10MHz

100MHz

B Operator(27MHz) C Operator(27MHz)


WiBro Specification– TTA ACTIVITYWiBro Specification– TTA ACTIVITY

TTA Standardization Activity for Specification2004. 2Q : TTA Phase-I Specification Approval

2004. 4Q : TTA Phase-I Specification Modification

2005. 1Q : TTA Phase-II Specification Requirement Proposal

2005. 2Q : TTA Phase-II Specification Approval

TTA Standardization Activity for IOT/CT2005. 2Q : IOT/CT Specification

2005. 3Q : IOT/CT Specification Update

2005. 4Q : IOT/CT by Service Provider and TTA

WiBro Specification = Subset of Consolidated version of “IEEE Std. 802.16-2004 + P802.16e/D7 +P802.16-2004/Cor/D2.”


WiBro Specification [1] – reference model

HA

HPi-AP

HPi-AT HPi-AT

Mobile IPPAR

AAA

NMS(O&M)

Public IP Network

HPi-AP

PAR

HPi-AT

ISP’s IP Network

AT : Access terminal AP : Access PointAT : Access terminal AP : Access PointPAR : Packet Access RouterPAR : Packet Access Router HA : Home AgentHA : Home AgentAAA : Authentication, Authorization, AccountingAAA : Authentication, Authorization, AccountingNMS : Network Management SystemNMS : Network Management System


WiBro Specification [2]– characteristics

ItemItem CharacteristicsCharacteristics ItemItem CharacteristicsCharacteristics

Frequency BW• 2.3 ~ 2.4 GHz

(100 MHz BW) Duplexing

Frequency Reuse Factor

Channel Spacing

Minimum

throughput

Roaming

Cell Coverage

Service Type• realtime (ex: movie)• Non-realtime (ex: file)• besteffor (ex: web)

• TDD(OFDMA)

• 1

• More than 9 MHz

• UL 128 kbps, DL 512 kbps

• Roaming between WiBroOperators

Backbone Protocol • IP (Internet Protocol)

• ~1Km

User Data Rate • to 3 Mbps

Cell Capacity

• 30Mbps / FA (9 MHz)(Basic Model)

• 50Mbps / FA (9 MHz)(Enhanced Model)

User Mobility • <= 60 [Km/h]


Contents


WiBro PolicyIIIIII


IntroductionII


VV

IVIV


WiBro should support the IEEE Standard 802.16-2004 and IEEE P802.16e/D3 or later version

WiBro Policy[1] – General ScheduleWiBro Policy[1] – General Schedule

Revised & announced the WiBro License Policy

Selected 3 WiBro Operator: KT, SK Telecom, Hanarotelecom

Launch WiBro service

Decided the WiBro License Policy

Announced the WiBro License Policy and Baseline Technology

Announced the re-allocation of 2.3GHz frequency for WiBro2002.102002.10

2004.72004.7

2004.92004.9

2004.112004.11

2005.12005.1

2006.2Q2006.2Q


WiBro Policy[2]– Commercialization

Schedule

WiBro Policy[2]– Commercialization

Schedule

2005. 12 : Development of Commercial Equipments Develop commercial systems in 4Q-2005

Conformance test in 1Q-2006.

2005. Nov : Demonstration of APEC meeting (Busan, Korea)

2006. 1Q : Trial ServicesCommencement of pre-commercialization Service

2006. 2Q : Service Launch at SeoulCommencement of Commercialization Service in Seoul.

2007 : Nationwide Service LaunchCommencement of Commercialization Service in the metropolitan area


WiBro System[1] - DevelopmentWiBro System[1] - Development

Public Internet

Access TerminalAccess Terminal

Access PointAccess Point

Packer Access RouterPacker Access Router


Contents


WiBro PolicyIIIIII


IntroductionII


VV

IVIV


Transmission Speed : high

Coverage : small

Mobility :

Nomadic without HO (Wi-Fi)

Nomadic without HO (WiMAX)

Medium (WiBro)

Cost : low

Tech : Broadband (OFDM/OFDMA)

Transmission Speed : high

Coverage : small

Mobility :

Nomadic without HO (Wi-Fi)

Nomadic without HO (WiMAX)

Medium (WiBro)

Cost : low

Tech : Broadband (OFDM/OFDMA)

Wireless InternetWireless Internet

Transmission Speed : low/medium

Coverage : large

Mobility :

High (vehicular)

Cost : high

Tech : Digital Cellular (GSM/CDMA)

Transmission Speed : low/medium

Coverage : large

Mobility :

High (vehicular)

Cost : high

Tech : Digital Cellular (GSM/CDMA)

WiBro (IEEE802.16e+)

WiMax (IEEE802.16d)

WLAN (IEEE802.11)

WiBro (IEEE802.16e+)

WiMax (IEEE802.16d)

WLAN (IEEE802.11)

cdma 2000 1x EVDO (3GPP2)

HSDPA (3GPP)

cdma 2000 1x EVDO (3GPP2)

HSDPA (3GPP)

Comparison [1] – Wireless & MobileComparison [1] – Wireless & Mobile

Mobile InternetMobile Internet

Wireless internet and Mobile internet


Comparison[2] – Wireless & MobileComparison[2] – Wireless & Mobile

Item W-LAN WiBro IMT-2000

Service

type

- Packet based

- High-speed data

- IP originating call

- Packet based

- High-speed data

- IP based call

- Circuit/Packet based

- Medium/Low-speed data

- Originating/Terminating

call

Service

characteristics

- Private

- No QoS guarantee

( BW contention )

- Public

- QoS guarantee

( BW allocation )

- Public

- QoS guarantee

( BW allocation )

Tx. rate - Maximum 54Mbps - Maximum 50Mbps - Maximum 2 ,or 10Mbps

Cell planning - no - Frequency reuse (~1) - Frequency reuse (~1)

Cell capacity- 54Mbps - 50Mbps - 2Mbps(Ev-DO)

- 10Mbps(HSDPA)

Cell structure - omni - 1 to 3 sector - 1 to 3 sector

Terminal - PC, Note-book,

PDA

- Note-book, PDA - Cellular phone, PDA

- Coverage : 100m

- pico(hot spot area)Cell

coverage

- Fixed (Coverage)

- Coverage : 10Km

-macro/micro(full coverage)

Mobility

- Coverage : 1Km

-micro/pico(full

coverage)

- High mobility (250Km)- Low mobility(60Km)


Comparison[3] – WiBro and WiMaxComparison[3] – WiBro and WiMax

Comparision WiBro with WiMAX

Item WiBro WiMax Remark`

Purpose

- 60Km/h mobility support

- Mobile, Access

- 60 Km/h

Baseline

document

- IEEE 802.16e - IEEE 802.16e

- ETSI HiperMAN

- Maximum 50Mbps

- TDD

- OFDMA

-Basic IP system MAC profile

- Max 5Km(RURAL)

- PC, Note-book, PDA

- Fixed Wireless Access

- Backhaul, Access, Mobile

- First profile selections approved: ’05.2Q

Mobility - 802.16e support(Nomadic)

Tx. rate - Maximum 70Mbps

Cell coverage - 50 Km

Terminal - Note-book, PDA

- TDD/FDD

- OFDM

- Basic ATM system MAC

profile

- Basic IP system MAC profile

PHY

MAC


Contents


WiBro PolicyIIIIII


IntroductionII


VV

IVIV


Enhance the WiBro capabilityImprove the Radio Transmission Technology: 50Mbps

Improve the mobility: 150Km/h

Obtain the pre-4G technology

Harmonize WiBro with WiMaxBoost up the worldwide IT market

Principle Technology of Beyond the WiBroEnhanced spectrum efficiency technology(10b/Hz)

MIMO & Smart Ant. technology

Mobile IPv6 based Fast Handover

VoIP

MBS

The future WiBro The future WiBro


WiBro VisionWiBro Vision

High-tier System

Low-tier System

Mob

ility

Data Rate1 10 100 1000

4GNew Mobile

Access3G

EvolutionIMT2000

Wibro-Enhanced

100

250

216Mbps 802.11n WLANNG

WLAN

Wibro

Systems beyond IMT-2000 will encompass the capabilities of previous systems

User peak data rate (Mbps)


“Thank you for

your kind attention”


참고자료


Evolution of Wireless CommunicationEvolution of Wireless Communication

Sensor Network

2G

3.5G

3G

802.11b/g

B-WLL

cdma2000/W-CDMA HPi/BWA

EV-DV/HSDPA

DSRC

WLL

WiBro I

2.4 GHzWLAN

5 GHz WLAN

Broadband Wireless Access 802.11a

WLAN

cdmaOne/GSM

Telematics

High-speedWireless Indoor

ITS High-speed WLAN

WPAN /Ad-hoc

Cellular

~2001 2010~2002 2003 2004 2005~

Communi.Objects

Human-to-Human Thing-to-ThingHuman-to-Machine

Phone serviceMessage Mobi l e conver genceWi rel ess i nt er net

LBS/Image/...Hi gh- speed Por t abl e

i nt er net / Tel emat i csService

MarketRequire.

Cust omer or i ent edHigh-speed wireless network

Servi ce or i ent edHi gh- speed wi r el ess i nt er net

Technol ogy dr i venEnhanced Voi ce/ Roami ng

UWB802.11n

DigitalBroadcasting

BroadcastingMega cell

Macro cell

Micro cell

Pico cell

Ubiquitous Broadband Service

Ubiquitous Broadband Mobile Access & Always Connected with Optimal Bandwidth & Cost

Ubiquitous Broadband Service

Ubiquitous Broadband Mobile Access & Always Connected with Optimal Bandwidth & Cost

3G LTE

WiBro II Ubiquitous Ubiquitous Convergence Convergence

ServiceService

NMANew Mobile Access

802.16e


WiBro– Frequency & operator Determination

Procedure

WiBro– Frequency & operator Determination

Procedure

Determine the number of selectable operator based on traffic load analysis

Determine the number of selectable operator based on traffic load analysis

Analysis of GB Analysis of GB Analysis of required BWAnalysis of required BW

Computation of usable BW within WiBro BW(100MHz)Computation of usable BW within WiBro BW(100MHz)

Determine the number of operator based on frequency utilization efficiency

Determine the number of operator based on frequency utilization efficiency


WiBro– Analysis of required BWWiBro– Analysis of required BW

Determine the BWRequired BW: 62.49MHz

Channel BW: 9MHz

Determine the number of operator: 3

Required BW (MHz)[62.49MHz ]= Traffic/cell ÷ System capacity Required BW (MHz)[62.49MHz ]= Traffic/cell ÷ System capacity

Traffic/cell (bits/sec) [224]

= subscribers/cell x (traffic/subs. + margin)

Traffic/cell (bits/sec) [224]

= subscribers/cell x (traffic/subs. + margin)

System capacity

(bits/sec/Hz) [3.6Mbps/㎒/cell]

System capacity

(bits/sec/Hz) [3.6Mbps/㎒/cell]

Number of subscribers/cell = cell area(400m)

x Population density[110,050/㎢

] x service diffusion rate[19%)

Number of subscribers/cell = cell area(400m)

x Population density[110,050/㎢

] x service diffusion rate[19%)

Target System

(Spec.)

Target System

(Spec.)


WiBro– system parameterWiBro– system parameter

Tx PowerAP: 43dBm(20W)

AT: 23dBm(200mW)

Power concentration ratio gain20 dB

wireless internet access : wibro15 broadband it korea15 wibro should support the ieee standard...

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