Zigbee기술/시장동향과TRM 및응용사례 …

1 Ubiquitous Computing Research CenterZigbee / TRM - . - zigbee / TRM - . -2007. 7. 17. 2 rWireless Sensor Network OverviewoNew Computing ParadigmoWireless Sensor Network ConceptoWireless Sensor Network TechnologyrZigBee OverviewoWPAN StandardoIP-USNoZigBee AllianceoZigBee TechnologyoZigBee Network ModeloZigBee Platforms rChallenges in Wireless Sensor NetworksrZigBee Ubiquitous Computing Research CenterWireless Sensor Network OverviewWireless Sensor Network Overview> New Computing Paradigm> Wireless Sensor Network Concept> Wireless Sensor Network Technology4 New Computing Paradigmyearlog (people per computer)

2 MainframeMinicomputerWorkstationPCLaptop PDA???simple data storage/processingWeb-based interactive computingIntelligent ~culler/talks5 Technology ConvergenceEmbedded SystemsSmall, untethered processing,storage, and controlNetworkingSelf-organized, power-awarecommunicationSensor/DeviceMas s-produced, low-power,short range, sensors & actuatorsComputing MiddlewarePro-active, Intelligent Agent,Context-awareness,Affective Computing6 Wireless Sensor Network ConceptrDefinitiono rPurpose o.

3 7 Wireless Sensor Network TechnologyrWireless Sensor NetworkoA large grouping of low-cost, low-power, multifunctional, and small-sized sensor nodes which are connected by wireless networkrSensor Network Nodes haveoComputation+Networking+Sensing abilitiesrWSN FeaturesoLow {cost, power, and size}rApplication areas : environment, heath, military, and Sensor Network BenefitsAccuracy of informationImproveSaveView of an environmentFault toleranceRemote access to dataTime and Cost involved in deploying and configuring networksNetworking costsLiving conditions in buildingsEnergy useCollaboration among sensor nodesOnline processing of obtained informationSelf-OrganizingA large number of sensor nodes9 zigbee TechnologyComparisonsZigBee Wi-Fi 1 XRTT/CDMAA pplication FocusMonitoring & ControlCable ReplacementWeb, Vedio, EmailWAN.

4 Voice/DataSystem Resource4KB-32KB250KB+1MB+16MB+Battery Life (days) 100-1000+1-71-51-7 Nodes Per Network255/65K+7301,000 Bandwidth (KB/s)20-25072011,000+64-128 Range (meters)1-75+1-10+1-1001,000+Success MetricsReliable, Low Power,Cost EffectiveCost,ConvenienceSpeed, FlexibilityReach, Quality10 Wireless Networking( 05)Source : Hype Cycle for Wireless Networking, 2005, Gartner11 Ubiquitous Home RequirementsrPersonalized Automatic ServicerElectronics Installation and ManagementrCommunicate with All devicesrSeamless Mobility in HOMEZ igbeeZigbeeSolutionSolutionrHome AutomationrLow consumption of EnergyrSecurityrHealth carerRemote Home ControlUbiquitous Computing Research CenterZigBee OverviewZigBee Overview> WPAN Standard> IP-USN> zigbee Alliance> zigbee Technology> zigbee Network Model> zigbee Platforms 13 IEEE WPAN Organization14 IEEE WPAN StandardrIEEE WG Task Group (TG1)

5 Bluetooth10 , MAC& PHY Bluetooth Coexistence(TG2) WPAN WLAN High Rate(TG3)20 Mbps MAC PHY ISM .(11, 22, 33, 44, 55 Mbps )High Rate(TG3a)Alt. PHY UWBTG3 PHY 100 Mbps alternativePHY(UWB) mmWave(SG3c)TG3a (60 GHz) alternativePHY Low Rate(TG4) zigbee 20 ~ 250 Kbps MAC PHY ISM , 868/915 MHz Dual PHYLow Rate(TG4a)alt. PHY UWBUWB PHY Mesh Networking (TG5) WPAN MAC PHY 15 WPAN - IEEE BluetoothZigBee WPANUWB UWB (ISM band) ~ ~ :64kbps.

6 720kb/s250kb/s,40kb/s,20kb/s11~55Mb/s114 Mb/s(~480Mb/s)~1 Mbps FHSS 1600hops/sDSSSOQPSK/BPSKQPSK,16/64 QAMMB OFDM,DS CDMA <10m, 100m<30m<70m<10m<10m~1km Peer-to-peerMaster-slaveStar,Peer-to-pee rPeer-to-peerMulti hopPeer-to-peerMulti hopStar,Peer-to-peer YesYesYesYesYes Mobile phonePortableterminalsCable replacementVirtual wirestick-On sensorHome device(video,IP datatransmission)Home device(video,IP datatransmission) node16 IEEE W,100 mWEIRP (1)1 W25 mWOutputPowerSensitivityChannelspacing91 5-85dBm5 MHz250O-QPSK20002400 ~ MHz40 BPSK600902 ~ 928-92dBm-20 BPSK300868 ~ rate(kb/s) rate(kchip/s)Data & Spreading ParametersFrequencyBand(MHz)PHY(MHz)Worl dUnitedStatesEURemark1 W,100 mWEIRP (1)1 W25 mWOutputPowerSensitivityChannelspacing91 5-85dBm5 MHz250O-QPSK20002400 ~ MHz40 BPSK600902 ~ 928-92dBm-20 BPSK300868 ~ rate(kb/s) rate(kchip/s)Data & Spreading ParametersFrequencyBand(MHz)PHY(MHz)r200 3 05 IEEE zigbee o868 ~ MHz : ( zigbee ) o902 ~ 928 MHz : ( ISM ) o2400 ~ MHz.

7 ( ISM . , )17 IEEE PHY/MACrPHY Features oactivation and deactivation of the radio transceiveroED, LQI, channel selection, clear channel assessment (CCA)otransmitting and receiving packets rMAC FeaturesoSynchronizing to the beaconsoSupporting PAN association and disassociationoSupporting device securityoEmploying the CSMA-CA mechanism for channel accessoHandling and maintaining the GTS mechanismrCurrent StatusoIEEE Release (June 2006)PHY(MHz)FrequencyBand(MHz)Spreading ParametersData ParametersChip rate(kchip/s)ModulationBit rate(kb/s)Symbol rate(ksymbol/s)

8 Symbols868/915868 ~ ~ 928600 BPSK4040 Binary868 ~ ~ 914400O-QPSK1002516-ary ~ , Orthogonal18 IEEE oIEEE MAC revisionoPHY Item numberItem Description Sub band StatusRF1868/915 MHz : 600 kHz (20 kbps) : 2 MHz (40 kbps) : 2 MHz (235 kbps) : 600 kHz (234 kbps)ORF22450 MHz PHY : 5 MHz (250kbps) TG4b PHY modesM : MandatoryO : : At lease one of these features shall be supported1919 PHY o : 600kHz ( 9 )oRFID 3 zigbee 1 : ~ 914 MHzr oPSSS o : 600 kHzo : BPSK/ASKo : 234 kbpso : 32-chip sequence using PHY, MAC r900 MHz zigbee PHY(IEEE ) TTA 2020 Location Awareness UWB( )rBackgroundoLocation Awareness : few centimeter 2003 05 IEEE zigbee oNow appear 3 different alternate PHY options in IEEE Low-band UWB [DC-960 MHz] Chirp Spread Spectrum [ ISM band] High band UWB [ ] Standardization March, 2005.

9 Merged 26 Proposals Impulse Radio(Communication & Location) Chirp Radio(Only Communication) 2007 4 21rExample of Location Awareness UWBL ocation Awareness UWB( )2222/43 TinyOS vs zigbee and 3-rd Group2323IP USN(1)rIETF 6 LoWPAN WGo 2005 3 IETF Working Group : Geoff Mulligan (Invensys)o LoWPAN IPv6 IEEE IP TCP/UDT , , , , IP o Working Draft 2 2005 8 Internet Draft 6 ( 4 ) : Microsoft, Sun Microsystems, Intel, Invensys : , , 24 ZigBeeIP-USN(6 LoWPAN)PHY/MAC LayerIEEE zigbee AllianceIETF 6 LoWPAN WG zigbee Specificatioin draft Adaptation 16 64 IPv6 PAN zigbee 16 64 EUI-64 IPv6 IPv6 zigbee NWK Adaptation Hierarchical , AODV TCP/UDP (SNMPv3) (ISV, )

10 Service DiscoveryLocalGlobal IP USN(2) - 25 Network Layer(IPv6)Adaptation LayerApplication LayerNetwork Layer(IPv6)Ethernet or other MAC/PHYT ransport Layer(TCP/UDP)Network Layer(IPv6)Ethernet or other MAC/PHYA pplication LayerApplication LayerApplication Support LayerZigBee Network LayerIEEE MAC/PHYA pplication Support LayerZigBee Network LayerIEEE MAC/PHYT ransport Layer(TCP/UDP)Application LayerNetwork Layer(IPv6)Ethernet or other MAC/PHYE thernet or other MAC/PHYA pplication LayerTransport Layer(TCP/UDP)Network Layer(IPv6))IEEE Layer(TCP/UDP)IPv6 Network Host6 LowPAN Gateway6 LowPAN Adaptation LayerIEEE NetworkIPv6 Network HostZigBee GatewayZigBee zigbee NetworkNetwork 2001:2b8:f2::190/642001:2b8:f2::190/64 IPIP--USNUSNIPv6 NetworksIPv6 Networks2001:2b8:f2::2172001:2b8:f2::120 01:2b8:f2:2:3 ExternalActor2001:2b8:f2:2:42001:2b8:f2: 2:5IP-USNG atewayIP USN(2) - 26 zigbee Alliance OrganizationZigbee Specification Specification Alliance MembersrPromoterso 13 rParticipantsoLG 111 rAdopter : 85 28 zigbee rZigBee