유무선인프라기술 -...

유무선유무선 인프라인프라 기술기술

유비쿼터스유비쿼터스 컴퓨팅컴퓨팅 전반전반 및및 HW HW 고려점고려점

2007. 01. 31서울 인터콘티넨탈 호텔

김 재 현

정보통신대학아주대학교

2 김재현아주대학교

목목 차차

통신망의통신망의 미래상미래상

전자정부전자정부 통신망통신망 인프라인프라 기술기술

통신망통신망 인프라인프라 기술기술

미래미래 전자정부전자정부 인프라인프라 구축구축 시시 고려사항고려사항

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유선유선 통신통신 기술기술1

무선무선 통신통신 기술기술2


통신망의통신망의 미래상미래상

3대 인프라 : RFID/USN, ALL-IP(IPv6), BCN다양한 유무선 엑세스망 연동

ALL IP ALL IP 백본망백본망

IS-95A/B/C(1x) MSC

PSTN

게이트웨이

WCDMA/UMTS

이종 시스템간 연동

Media/Signalling Gateway

cdma EV/DO

IP 기반 무선액세스 망

인공위성

WLAN

디지털 오디오/비디오 방송

4G 무선 망?

RFID/USN

유무선유무선 액세스액세스연동연동 망망

xDSL/ FTTH/ Cable Modem

휴대 인터넷


유선유선 통신통신 기술기술

유선 통신 기술 비교

xDSL DOCSIS FTTH

MAC MAC ProtocolProtocol TDMA/TDD, FDMA/FDD TDMA

S-ALOHA TDMA

1.544 Mbps

ADSL 하향 : 1.544 ~ 6.1 Mbps상향 : 16 ~ 640 kbps하향 : 12.9 ~ 52.9 Mbps상향 : 1.5 ~ 2.3 MbpsVDSL

HDSL

전송속도전송속도<사용자 측면>하향 : 1.5 ~ 3 Mbps상향 : 500 kbps ~ 2.5 Mbps

하향 : 622 Mbps상향 : 155 Mbps

비용비용 저 저 저

HDSL : High bit-rate Digital Subscriber Line, ADSL : Asymmetric Digital Subscriber Line, VDSL : Very High Digital Subscriber Line, DOCSIS : Data Over Cable Service Interface Specification, FTTH : Fiber To The Home,


xDxDSLSL ((Digital Subscriber Line)Digital Subscriber Line)

“x” signifies : various flavors of DSLalways-on, high-speed data services over existing copper wires to residences & businesses대표적인 xDSL 기술 정리

DSL 형태 설명 데이터 전송 속도 활용분야

HDSL HDSL High bit-rate DSL

- 1.544 Mbps duplex on two twisted-pair lines

- 2.048 Mbps duplex on three twisted-pair lines

- 서버와 전화국 간의 T1/E1 서비스

- WAN(Wide Area Network), LAN (Local Area Network), 서버 액세스

ADSL ADSL Asymmetric DSL

- 하향 속도 1.544 ~ 6.1 Mbps- 상향 속도 16 ~ 640 kbps

- 인터넷 및 웹 액세스, 동영상, VoD, 원격지에서 LAN에접속하는 등의 용도에 사용

VDSL VDSL Very High DSL

- 하향 속도 12.9 ~ 52.8 Mbps- 상향 속도 1.5 ~ 2.3 Mbps

- ATM 네트워크

- Fiber to the Neighborhood


DOCSIS DOCSIS (Data Over Cable Service Interface Specification)(Data Over Cable Service Interface Specification)

International standard developed by CableLabsHigh-speed data transfer with an existing cable TV (CATV) system

DOCSIS Key Features Benefits / Services

DOCSIS 2.0DOCSIS 2.0(UL Data rate: (UL Data rate: 30 Mbps )30 Mbps )

- Mandatory S-CDMA(Synchronous-Code Division Multiple Access)/ TDMA

- Best of DOCSIS

- Symmetric services- Peer-to-peer- Business-to-business (20 T1

capacity)

DOCSIS 1.1DOCSIS 1.1(UL Data rate: (UL Data rate: 10 Mbps )10 Mbps )

- QoS- Security

- Tiered service- Double UL data rate capacity- Lower op’s costs- Better than competitor

DOCSIS 1.0 DOCSIS 1.0 (UL Data rate: (UL Data rate: 5 Mbps )5 Mbps )

- Spec’d for retail- Standard spec

- High speed data- Internet access


DOCSIS DOCSIS 통신통신 구조구조

Transmit Internet Protocol (IP) Packets Transparently Between the Head end and the Subscriber LocationThe DOCSIS System Consists of:

Cable Modem Termination System (CMTS) located at the headedCable NetworkCable Modem (CM) located at the Customer Premise

CableNetwork

HFCCustomerPremises

Equipment

Transparent IP Traffic Through the System

Cable Modem(CM)

CMTSNetwork Side

Interface

Wide-AreaNetwork

CableModem

TerminationSystem(CMTS) CM Customer Premises

Equipment Interface


DOCSIS DOCSIS MAC ProtocolMAC Protocol

TDMA (Time Division Multiple Access)Ranging

CM과 CMTS간 동기화

Registration CMTS에 연결정보를 등록하는 과정

UL_MAP 사용

경쟁 슬롯, 데이터 전송 슬롯, Maintenance로 구성

Binary Exponential Backoff Algorithm


FTTH (Fiber To The Home)FTTH (Fiber To The Home)

PTP (Point To Point)장점 : 안정적으로 다양한 서비스 제공 가능단점 : 다량의 광섬유가 소요되어 비경제적

AON (Active Optical Network)스위치 기술 기반장점

경제적이고 일반적인 구축방안공동주택의 경우 가격, 성능, 유지보수 등에서 유리

단점 : Ethernet 기반의 장비인 능동장치 사용, 전력 공급 필요

PON (Passive Optical Network)광신호를 가입자 부근에서 광 스플리터를 이용해 분리함으로써 여러명의가입자에게 전송하는 방식장점

단독주택•농어촌 지역 구축에 유리전화국의 송신, 수신 장치 및 광섬유를 많은 사람이 공유하게 돼 가입자당비용이 절감

단점 : 상향신호의 분배문제, 많은 분기로 인한 전송신호의 출력 문제, 전송 프로토콜및 구현방법


무선무선 통신통신 기술기술

IEEE802.11

전송 속도

3Gcellular

Mbps1 10 1000.1

옥외

정지

도보

운전

옥내

정지

도보

이동

성

2G cellular

IEEE802.16e/20

400

IEEE802.15RFIDIEEE802.16

802.15.1 802.15.4a/b 802.15.3 802.15.3a

1000

IMT-Advance

WAN (Wide Area Network)WAN (Wide Area Network)

LAN (Local Area Network) LAN (Local Area Network)

MAN (Metropolitan Area Network) MAN (Metropolitan Area Network)

PAN PAN -- WANWAN

PAN (Personal Area Network) PAN (Personal Area Network)

BAN (Body Area Network) BAN (Body Area Network)


무선무선 통신통신 기술기술

802.11 802.15 802.16 RFID/USN IMT-Advance

Access< 10m (M/W)

좁은 영역 < 100m넓은영역 >1km

넓은 지역

이동성 보장

TDD/FDD Peer-to-Peer

좁은영역 ~ 1Gbps넓은영역 ~ 100Mbps

고

접속 지역

SDMA/CDMA/FDMA/TDMA/Binary search

< 1 Mbps200 tag/antenna

저

전송전송 범위범위LAN

< 100 mPAN, Access

< 10 mMAN

< 1Km

이동성이동성 좁은 지역 좁은 지역 이동성 보장

MAC MAC ProtocolProtocol CSMA/CA

CSMA/CA, TDMA

S-ALOHATDMA/TDDW-DOCSIS

전송속도전송속도 1 – 54 Mbps< 1Mbps

<480Mbps 15.3a

< 50 Mbps

비용비용 저 저 중

무선 통신 기술 비교

CSMA/CA :Carrier Sense Multiple Access/Collision Avoidance, TDMA : Time Division Multiple AccessTDD : Time Division Duplex, S-ALOHA: Slotted-ALOHA, W-DOCSIS : Wireles-Data Over Cable Service Interface Specification, SDMA : Space Division Multiple Access, CDMA : Code Division Multiple Access,FDMA : Frequency Division Multiple Access, FDD : Frequency Division Duplex


WLAN(IEEE 802.11)WLAN(IEEE 802.11)

김재현아주대학교

WirelessWireless LANLAN ArchitectureArchitecture

Ad hoc WLAN ModePeer-to-peer communication onlyIndependent Basic Service Set IBSS

Infrastructure WLAN ModeNo peer to peer communication, always through APDistribution system : Connect two or more BSS

BSS-A BSS-BAP-B

Distribution System

AP-A

Ad hoc network Infrastructure network


Service TypesService Types

Asynchronous Service : Data service, FTP, Web, etc.Contention TrafficDCF (Distributed Coordination Function)Distributed controlled by STA (Station)

Isochronous Service : Delay sensitive traffic, voice, etcContention-Free TrafficPCF (Point Coordination Function) Centralized controlled by AP (Access Point)

Super Frame Concept

Superframe

Contention-Free Contention

Burst Traffic


Distributed Coordination Function Distributed Coordination Function (DCF)(DCF)

CSMA/CA protocol Use different Inter Frame Space (IFS) to differentiate traffic

SIFS (Short Inter Frame Space) : High PriorityPIFS (PCF Inter Frame Space) : Medium PriorityDIFS (DCF Inter Frame Space) : Low Priority

DIFS Contention Window

Slot time

Busy Medium

Defer Access

Backoff-Window Next Frame

Backoff slot reduced when channel is idle

SIFS

PIFSDIFSSense channel during DIFS


QoS Support in 802.11eQoS Support in 802.11e

HCF (Hybrid Coordination Function)Two channel access mechanism :

Contention based channel accessControlled based channel access

EDCA (Enhanced Distributed Channel Access)Using Arbitration IFS, differentiate QoS

HCCA (HCF Controlled Channel Access)Channel access for parameterized QoS

Transmission Opportunity (TXOP)Multiple frames can be transmitted during a TXOP with certain rulesEDCA TXOP – acquired by beaconPolled TXOP – acquired by QoS CF poll


EDCA EDCA (Enhanced Distributed Channel Access)(Enhanced Distributed Channel Access)

AC Cwmin CWmax AIFSNAC_BK CWmin CWmax 3

AC_BE CWmin CWmax 7

AC_VO (CWmin+1)/2-1 CWmin 2

AC_VI (CWmin+1)/4-1 (CWmin+1)/2-1 2

ACK RTS

CTS

SIFS SIFS

PIFS

AIFS[AC]=DIFS

SIFS

AIFS[AC]

AIFS[AC]

high priority AC

defer accessContention Windows

count down as long as medium is idle,Back off when medium gets bust again

With 802.11aaSlotTime: 9usSIFS: 16usPIFS: 25usDIFS: 34usAIFS: >=34 us

CWi+1 [AC]=min[ ( ( CWi[AC] + 1 )*PF[AC] ) - 1, CWmax]

PF : Persistent Factor

CW=rand[1,CWi+1]

low priority AC

medium priority AC


HCCA HCCA (HCF Controlled Channel Access)(HCF Controlled Channel Access)

Additional polling based controlled contention scheme for HC to learn the TXOPs needed by the stations

Contention Free Period, CFP(polling through HCF) Contention Period, CP (listen before talk and polling through HCF)

TXOP TXOP TXOP TXOP

TBTT

QoS CF-Poll QoS CF-PollCF-end

Beacon

Transmitted

by (Q)STAs

Transmitted

by HC

TBTTTime

RTS/CTS

Fragmented DATA/ACK

(polled by HC )

RTS/CTS/DATA/ACK

(after DIFS+backoff)

RTS/CTS

Fragmented DATA/ACK

(polled by HC )


IEEE 802.15IEEE 802.15

-- IEEE 802.15.1 (Bluetooth)IEEE 802.15.1 (Bluetooth)-- IEEE 802.15.3 (UWB) IEEE 802.15.3 (UWB) -- IEEE 802.15.4 (IEEE 802.15.4 (ZigbeeZigbee))


IEEE 802.15.1(Bluetooth) OverviewIEEE 802.15.1(Bluetooth) Overview

ConceptShort Range : 0.01m - 10m (100m)Low Power : 1mW, 2.5 mW, 100 mWLow Cost : < $5

Can be used for Data (max 753 kbps) / Voice(3 64kbps) Access Appliance Cable replacementPersonal Ad-Hoc Connectivity

Standard (Bluetooth SIG and IEEE802.15.1)1999 : Version 1.0b2001 : Version 1.1 (1Mbps)Current : Version 2.0 (2-11Mbps)

Topology Piconet, Scatternet


Channel AllocationChannel Allocation

TDD/Single slot

Multi-slot allocation


Piconet vs. ScatternetPiconet vs. Scatternet

Stand by

Parked

Master

Slave

Scatter netPiconetStandby state

Master

Park state

Slave

Active state

Sniff state

Hold state

Scatternet


IEEE 802.15.3 IEEE 802.15.3 (High Rate)(High Rate) OverviewOverview

ObjectiveLow complexity, Low cost, Low power, Short Range, QoS Capable, Peer to peer communication, High data rate (> 20Mbps)

PHY 2.4GHz 5 Channel

MAC FunctionalityFast Connection Time Ad hoc Network QoS supportSecurity Dynamic MembershipEfficient data transfer

Topology Piconet, Child piconet, Neighbor piconetPiconet Coordinator (PNC), Device (DEV)


IEEE 802.15.3a (UWB) OverviewIEEE 802.15.3a (UWB) Overview

UWB (Ultra-Wide Band) : Bandwidth > 500 MHz

CharacteristicsFrequency : 3.1GHz~10.6GHz

ERIP Emission level should be less than -41.3dBm/MHz Data rate : 110 ~ 480 Mbps, Range : < 10m Use IEEE802.15.3 MAC

fCfL fH

Narrow Band: (fH –fL) < 0.01*FC

UWB: (fH –fL) > 0.25*FC

Frequency (Hz)

Pow

er s

pect

ral

dens

ity (d

B)


IEEE 803.15.3a PHY layer IEEE 803.15.3a PHY layer (Proposed)(Proposed)

Single Band Multi Band OFDM

Bandwidth Bandwidth BW: 2GHz, 4.8GHz, 1 or 2 13-17 band (528 MHz)

ModulationModulation FDM+CDM+TDM (PSK) OFDM/ QPSK

Data rateData rate 28.5 Mbps – 1.2Gbps 55 – 480 Mbps

AdvantageAdvantageSimple HWLow cost, low powerTime to Market (’03 4Q)

Easy to implementrobust to interference Time to Market (’05 1Q)

DifficultyDifficulty UWB AntennaComplex to Sync.

Peak to average ratio Prob.Not verified yet

VendorsVendors XSI, SONY Intel, TimeDomain, DTC, WisAir, GA, Femto Devices

Single Band vs. Multi-Band OFDM(MBOA)

3 5 7

802.15.3

High BandLow Band

10

EIRP Emission Level (-41.3 dBm/MHz)

2.4 GHz 3 10

-41.3 dBm/MHz

GHz

- EIRP (Equivalent Isotropic Radiated Power)


Beacon #m

Contention Access Period MCTA1 MCTA2 CTA

1CTA

2 … CTM n-1

CTAn

CFP (Contention Free Period)

Beacon #m CAP Asynchronous Isochronous Asynchronous Isochronous

CFP (Contention Free Period)

Super frame #m-1

IEEE 802.15.3aIEEE 802.15.3aSuperframeSuperframe StructureStructure

Super frame #m Super frame #m+1

1,000 ~ 65,535μs

CSMA/CAData/Control

S-ALOHAData/Control

TDMAData

- MCTA : Management Channel Time Allocation


PiconetPiconet

Independent piconet: PNC and DEVDependent piconet

Child piconet : # DEV > 255, extended area, Communication with PNC or DEV in parent piconetNeighbor piconet : when no available channel in parent piconet, communication with PNC or DEV in neighbor piconet

Reserved time Beacon CAP CTA

1CTA

2 … CTAn

CFPReserved time

BeaconContention

Access Period CTA 1 CTA 2 … CTA n

CFPBeacon

C-PNC

DEV2

DEV1

C-DEV 1

C-DEV

2

P-PNC


IEEE 802.15.4 (IEEE 802.15.4 (ZigbeeZigbee) Overview) Overview

Low Rate (20, 40, 250kbps), Low Cost, Low Power Short Range (< 10m)Dynamic device addressingSupport for low latency devices Reliable by fully handshake protocolCSMA-CA channel access. Low power consumptionApply to

u-Smart Network : Energy save, Consumer Electronics, Toy, SecurityHealth care check and monitoring System

TopologyStar or peer-to-peer topology


IEEE 802.15.4 MAC overviewIEEE 802.15.4 MAC overview

The features of the MAC sub-layer Beacon managementChannel accessGuaranteed time slot managementFrame validationAcknowledged frame deliveryAssociation and disassociationSecurity mechanisms

FFD (Full Function Device)A device capable of operating as a coordinator or device, implementing the complete protocol set.

RFD (Reduced Function Device)A device operating with a minimal implementation of the IEEE 802.15.4 protocol.


Star / PearStar / Pear--toto--Pear TopologyPear Topology

Pear to Pear topology

ex) Cluster Tree Network

Star topology PAN coordinator

Cluster Head (CLH)

Full Function Device (FFD)

Reduced Function Device (RFD)


IEEE 802.15.4 IEEE 802.15.4 SuperframeSuperframe StructureStructure

The LR-WPAN standard allows the optional use of a superframe structure. bounded by network beaconsdivided into 16 equally sized slots. Channel access mechanism

Beacon enabled networkslotted CSMA-CA

A non beacon enabled network

Un-slotted CSMA-CATDD

Contention access period (CAP)a slotted CSMA-CA mechanismtransactions shall be completed by the time of the next network beacon.

Contention free period (CFP)Included The guaranteed time slots (GTSs)The PAN coordinator may allocate up to seven of these GTSs

Contention Free Period

Contention Access Period

Frame Beacon

Inactive

Period


휴대인터넷휴대인터넷((IEEE 802.16)IEEE 802.16)


Wireless Metropolitan Area NetworkBroadband Wireless AccessCoverage area : 1 KmMax Data Rate : 120Mbps~

IEEE 802.16 Air Interface StandardIEEE 802.16 : Air Interface (MAC and 10 ~ 66 GHz PHY)

WiMAX forum coordinating interoperability testingInteroperability documentation in development

P802.16a : amendment, 2 ~ 11 GHzLicensedLicensed-exempt

802.16 Standard defines 4 PHY ModeWirelessMAN-SC (Single Carrier)WirelessMAN-SCaWirelessMAN-OFDMWirelessMAN-OFDMA

IEEE 802.16 Overview IEEE 802.16 Overview

SS BS SS

SS

SS

Metropolitan Area


IEEE 802.16 SC (Single Carrier)IEEE 802.16 SC (Single Carrier)

Binary Exponential Backoff AlgorithmBinary Exponential Backoff Algorithm is applied when the collision is occurredThe frames are divided by bandwidth allocation MAP messagebandwidth allocation MAP messageaccording to the usage.

Uplink Frame Structure

Initial Ranging Period

Data Transmission Period of SS1

DataTransmission Period of SSN

Contention Period

●●●

Gap between SSsGap between transmission and reception

Access Collision Access CollisionRequest Bandwidth

Request Bandwidth

●●● ●●●

Time Slot


IEEE 802.16 IEEE 802.16 MC (MultiMC (Multi--Carrier)Carrier)Frame StructureFrame Structure

Refer to IEEE 802.16e std 2005

Prea

mbl

e

DL

_MA

PFCH

DL

bur

st #

1 (c

arry

ing

the

UL

_MA

P)

DL burst #3

DL burst #4

DL burst #2

DL burst #5

DL burst #6

Ranging subchannel

Prea

mbl

e

DL

_MA

P

FCH

UL burst #1

UL burst #3

UL burst #2

UL burst #4

OFDMA symbol number

Subc

hann

ello

gica

l num

ber

DL TTG UL RTGSlot Slot

Slot Slot

…

…

…

Slot One subchannel

DL PUSC : two OFDMA symbolsDL FUSC : one OFDMA symbolUL PUSC : three OFDMA symbolsDL/UL AMC : two, three or six OFDMA symbols

PUSC : Partial usage of subchannelsFUSC : Full usage of subchannelsAMC : Adaptive modulation and codingFCH : Frame control headerTTG : Transmit/receive transition gapRTG : Receive/transmit transition gap

k k+1 k+3s

s+1

s+L


IEEE 802.16 IEEE 802.16 MC (MultiMC (Multi--Carrier)Carrier)Frame StructureFrame Structure

The frame structurePreamble FCH (Frame Control Header) DL_MAP & UL_MAPDL/UL data burstsUL control channel for ranging

2 types of subcarrier permutation mode in 802.16 OFDMAThe distributed subcarrier permutation mode - PUSC, OPUSC, FUSC or OFUSC mode

The adjacent subcarrier permutation mode- AMC mode


Service ClassesService Classes

- UGS :Unsolicited Grant Service - ertPS : extended real-time Polling services- rtPS : real-time Polling Service - nrt-PS : non-real-time Polling Service - BE : Best Effort

Service Definition Application QoS Parameter

UGSUGSSupport fixed size real-time service at periodic interval

- VoIP without silence suppression

- Maximum Sustained Traffic Rate- Maximum Latency- Tolerated Jitter

ertert--PSPSSupport variable size real time service at periodic interval

- VoIP with silence suppression

- Variable size vocodec

- Maximum Sustained Traffic Rate- Minimum Reserved Traffic Rate- Maximum Latency

rtrt--PSPSSupport variable size real-time service based on polling access

- MPEG video- Minimum Reserved Traffic Rate- Maximum Sustained Traffic Rate- Maximum Latency

nrtnrt--PSPSSupport non real-time service flows based on polling basis

- FTP- Minimum Reserved Traffic Rate- Traffic Priority

BEBE Best Effort - HTTP - Traffic Priority


RFIDRFID


RFID systemRFID system

What is the RFID system?The RFID system is a simple form of ubiquitous sensor networks that are used to identify physical objects

Application of RFID systemAsset tracking(e.g. libraries, animals) Automated inventory Stock-keeping Toll collecting

Hospital

Casino: i-coin

Cloth

Secret Document Pet, Cow ID, Credit card


RFRF--ID PHY (Carrier Frequencies)ID PHY (Carrier Frequencies)

Frequency Frequency Range Range

LF125 KHz

HF13.56 MHz

UHF 868 – 915 MHz

Microwave2.45 GHz & 5.8 GHz

Max Range Max Range (Passive)(Passive)

< 0.5 m ~1 m ~3 m ~1 m

CostCost High (Antenna) Medium Low High

CharacterisCharacteris--ticstics Good for Metal and Liquid Best for short range,

single tag Moderate performanceFast read ratesBad for Metal and Liquid

Tag PowerTag Power Passive Passive Active/Passive tags Active/Passive tags

Typical Typical Applications Applications

TodayToday

Access control, animal tracking, vehicle immobilizers, POS applications including Speed Pass

“Smart Cards”, Item-level tracking including baggage handling (non-US), libraries

Pallet tracking, electronic toll collection, baggage handling (US)

SCM, electronic toll collection

Data RateData Rate Slower Faster

Metal/WaterMetal/Water Better Worse

Pa. Tag SizePa. Tag Size Larger Smaller


AntiAnti--Collision AlgorithmCollision Algorithm

Tag collision problem in RFID systemIt is impossible to communicate among passive tagsThe reader broadcasts the request message to the tagsIf there are more than one tag response for the reader’s request, their responses will collide

We need an anti-collision algorithm to solve collision problem

Tag collision problem


MultiMulti--tag Antitag Anti--collision collision Algorithms in StandardsAlgorithms in Standards

Arbitration Air Interface(R->T / T->R)

EPC Data rate(R->T / T->R)

ISO 18000ISO 18000--66TYPE ATYPE A

Framed Slotted

Pulse interval ASK / FM0

notdefined

33 kbps /40 kbps

None

ISO 18000ISO 18000--66TYPE BTYPE B

Probabilistic Binary tree

Manchester-ASK / FM0notdefined

8/40 kbps /40 kbps

None

40/80 kbps /40/80 kbps

AutoID AutoID Class 1Class 1

Binary treeusing 8 bin slots

Pulse Width Mod. / Pulse Interval AM 64/96b

70.18 kbps/140.35 kbps

8-bit kill

EPCglobal EPCglobal Gen 2Gen 2

ProbabilisticSlotted

Pulse interval ASK /Miller, FM0

96/256b40 kbps /640 kbps

32-bit kill,Access

Security

Pulse Width Mod./FSK

64/96bAutoID AutoID Class 0Class 0

Bit-by-bit Binary Tree

24-bit kill


IMTIMT--Advanced Advanced (WINNER System)(WINNER System)


WINNER SystemWINNER System

ChallengeTo make mobile communication systems more adaptable to user needs

ConstitutionWINNER (Wireless World Initiative New Radio) is a consortium of 41 partners co-ordinated by Siemens under IST (information Society Technology).

WINNER system conceptSingle new ubiquitous radio access systemSelf-contained, allowing WINNER to target the chosen requirements without the need for interworking with other systemsCooperation, interworking and infrastructure reuse may be used for mutual benefit (Cooperation)First deployment expected at the earliest in 2010, widespread from 2015.


Multitude of scenarios Multitude of scenarios in WINNER system conceptin WINNER system concept


SuperSuper--Frame structure (TDD)Frame structure (TDD)

8 frames with approximate duration 5.6msPreambleDAC (Direct Access Channel) for the peer-to-peer communication


MultiMulti--mode protocol architecturemode protocol architecture


•WiBro•WLAN•RFID/USN•IMT-Adv,

전자정부전자정부 통신망통신망 인프라인프라 기술기술

ALL-IP 기반망

유무선 연동 기술

ALL IP ALL IP 백본망백본망

부서별 전산 망부서별 전산 망

통합 처리 시스템통합 처리 시스템

무선 통신 망무선 통신 망

•FTTH•xDSL•Cable Modem

유선 통신 망유선 통신 망

• 기술간 연동 관리• 보안 관리• 서비스 품질 관리

• 기술간 연동 관리• 보안 관리• 서비스 품질 관리

액세스 망의 다양화 및 진보화액세스 망의 다양화 및 진보화


미래미래 전자정부전자정부 인프라인프라 구축구축 시시 고려사항고려사항

네트워크네트워크 측면측면

ALL IP 망 연동기술 (IPv6)다양한 엑세스 망 연동기술

유무선 연동기술/QoS 보장기술

보안기술보안기술 측면측면

등급별 사용자 인증기술

해킹 및 네트워크 공격(DOS등) 방지 기술

소프트웨어소프트웨어 측면측면

정부부처간 다양한 코드 및 체계의 표준화

다양한 자원(문서, DB 등)의 transparency

서비스서비스 측면측면

Always on 서비스

전자민원서비스 홍보 및 교육

컴퓨터 비전문가 입장에서 설계 및 개발

대중매체 및 공공기관에서의 교육


맺음말맺음말

지속적지속적 개선형개선형 시스템시스템

Continuous Quality Continuous Quality Improvement(CQIImprovement(CQI) )

국내기술의국내기술의 개발개발 및및 적용적용 필요필요

네트워크네트워크 장비장비 및및 통신기술통신기술

소프트웨어소프트웨어

보안보안 기술기술

하나하나하나하나 챙겨가며챙겨가며……

감사합니다!


ReferenceReference

[1] “Data Over Cable Service Interface Specification : Radio Frequency Interface Specification," SP-RFI v1.1-I04-000407, April 2000.

[2] http://www.terms.co.kr/DSL.htm[3] http://www.co.it.pt/seminarios/webcasting/itcbr_09_03_05.pdf[4] “Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications:

Medium Access Control (MAC) Quality of Service Enhancements,” P802.11e-D13.0, January 2005.

[5] IEEE 802.15.1(tm)-2002 Part 15.1: Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Wireless Personal Area Networks (WPANs(TM))GemmaPauloWireless Cribs, "Living Large with a Wireless Home Network", October 2002

[6] IEEE 802.15.2-2003 Standard for Part 15.2: Coexistence of Wireless Personal Area Networks with Other Wireless Devices Operating in Unlicensed Frequency Bands

[7] IEEE 802.15.3-2003 Part 15.3: Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for High Rate Wireless Personal Area Networks(WPAN), February 2003.

[8] IEEE P802.15.4-2003 Standard for Part 15.4: Wireless Medium Access Control (MAC) and Physical Layer (PHY) pecifications for Low Rate Wireless Personal Area Networks (LR-WPANs), February 2003.

[9] “Air Interface for Fixed and Mobile Broadband Wireless Access Systems: Physical and Medium Access Control Layers for Combined Fixed and Mobile Operation in Licensed Bands,” IEEE 802.16e-03/07r5, December 2003.

[10] EPC™, Radio-Frequency Identity Protocols Class-1 Generation-2 UHF RFID Protocol for Communications at 860 MHz – 960 MHz Version 1.0.9, Jan., 2004.

[11] ISO/IEC 18000-6 : 2005(E), Part 6C : parameters for air interface communications at 860 MHz to 960 MHz, 2005.

[12] ETSI EN 302 208-1 v1.1.1, Sep. 2004. CTAN:http//www.etsi.org[13] ETSI EN 302 208-2 v1.1.1, Sep. 2004. CTAN:http//www.etsi.org

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