통신신호처리연구실 1
목차 1주차오리엔테이션 2주차 IoT 정의및동향 3주차적용서비스사례 4주차 IoT 네트워크구성 5주차 IoT 표준화단체동향 (onem2m, 기타등 ) 6주차 IoT 표준화단체동향 (Zigbee, Weightless) 7주차 IoT 기기 Arduino 실습, Raspberry pi 소개 8주차 IoT 통신방법 9주차중간고사 10주차 Bluetooth, Sigfox, LoRa 등 IoT 통신기술 I 11주차 Bluetooth, Sigfox, LoRa 등 IoT 통신기술 II 12주차 3GPP mmtc 표준동향 13주차 IoT 활용 O2O 서비스 14주차 IoT 활용물류서비스 15주차 IoT 활용에너지 ( 스마트그리드전기차 ) 서비스 16주차기말고사 2
사물인터넷표준화단체 (ZigBee) 3
ZigBee IoT Application Areas 4
ZigBee Light Link & ZigBee Home Automation Meeting the needs of customers ranging from the DIY homeowner to professional installers Targeted to consumers and the DIY market Coordinator-less : No extra devices required Easy to install via Touchlink configuration Works with ZigBee Home Automaton Supports advanced, professional installations Integration with other connected home features including shades, thermostats, security, etc 5
Using ZigBee IoT for Home Automation 6
Using ZigBee IoT for Energy Management Urgent demand for Smart Energy + compatibility with mainstream Home Automation systems enables energy management 7
Goal is Home Area Network Side Energy Management Reduce energy consumption Avoid load peaks Manage renewables Customer awareness Time of Use pricing Automation Green Energy availability Extra Home Automation Services Enabled: Remote Control Remote Assistance Prepay Energy Theft detection 8
ZigBee in Building Automation Targeted for Commercial use ZigBee overcomes physical wiring challenges Difficult to reach locations Floor layout reconfigurations Historic / architectural restrictions Asbestos Simplified installations Supports harvested energy powered devices using ZigBee Green Power Lower cost of ownership Interoperability(expandability) Reduced development time Integrates with BACnet 9
Residential and Commercial Network Management Example Installations City Center Aria Over 135,000 devices City Center Mandarin Oriental Over 5,000 devices City Center Vdara & Vere Over 2,000 devices Trump SOHO New York Over 3,000 Devices Montage - Beverly Hills Over 3,000 Devices Rosewood Menlo Park Over 1,000 Devices Planet Hollywood Las Vegas Over 8,000 Devices 10
Using ZigBee IoT for Health Care ZigBee Health Care sets the standard for low power wireless monitoring & management for: Non-invasive, non-critical healthcare staying independent wellness & fitness patient and asset tracking 11
ZigBee IoT and Asset Tracking Goals for Health Facility Equipment/Assets Map Location Monitor Status Measure Utilization Improve Processes 12
ZigBee IoT Hospital Network 13
Using ZigBee IoT for Smart Parking Street Side 14
Using ZigBee IoT for Smart Parking Street Side 15
Related Environmental Monitoring 16
ZigBee Retail Service Application Being developed by multiple major players within the Alliance: 17
ZigBee Retail Service Information Real-time Information Associate Tracking Trolley Tracking Customer Tracking 18
ZigBee Telecom Services A Global Standard for interacting with the Internet of Things delivering Indoor location-based services Information delivery services Infomobility services M-ticketing & M-payment Mobile advertising & M-couponing Mobile office Multi-player services: mobile gaming Multi-chatting & Social networks 19
A Key IoT Node: The ZigBee Mobile Phone Three roles App end device: a powerful device, may be equipped with plenty of applications Mobile gateway: local network aggregator with remote connection Client side of mobile database: acquire a lot of information at any moment Three implementation types Z-SIM Flash card Integrated in board Anticipated great market Short replacement interval: 1~3 years 20
사물인터넷표준화단체 (Weightless) 21
사물인터넷표준화 Weightless 개요 Weightless SIG (WSIG) 유휴주파수 (white space spectrum) 를활용한 M2M 표준기술을개발 확산하기위해구성된기구 Weightless 표준을보급하기위한활동을조직하기위해형성된비영리국제표준기구 개발자가다양한네트워크사업자를기반으로저전력광대역스타네트워크 (star network) 구조를사용할수있도록하는 Weightless-N 개방형표준 (open standard) 이발표되었음 (2015년 5월 ) 출처 : 한국정보통신기술협회, ICT 표준화동향, 05, 2015 22
사물인터넷표준화 기존 LPWAN 기술과 Weightless 의차이 전통적으로, 다른독자적인 LPWAN(low-power wide-area networks) 기술은수용자가오직단일기지국공급자및단일네트워크운영자를선택하도록국한됨 Weightless SIG의개방형표준은경쟁적이고자유로운시장이가능하도록목표를삼고있음 Weightless-N은울트라협대역밴드 (UNB, ultra narrow band) 를사용한 sub-ghz 스팩트럼안에서적용되며, 모든회사가로열티없는 Weightless 기술을이용함으로써 저비용으로기지국과단말기를개발할수있음 출처 : 한국정보통신기술협회, ICT 표준화동향, 05, 2015 23
사물인터넷표준화 Weightless 표준의물리계층 < Weightless Physical Layer Transmitter > Weightless 표준은 DBPSK(Differntial Binary Phase Shift Keying) 와 16-QAM(Quadrature Amplitude Modulatio) 방식으로디자인됨 이는간섭완화와보안강화를위한주파수호핑 (Frequency Hopping) 알고리즘을이용하여좁은주파수대역내에서송신가능케함 표준의암호화는 128 비트 AES 알고리즘 을통해송신된정보를인코딩하는공유비밀암호체계를사용함 기술은단말기메시지를정확한목적지로도착하도록자동적으로경로를설정 ( 라우팅 ) 하는네트워크이동성을지원함 1) AES 알고리즘 : Advanced Encryption Standard, 고급암호표준. 미국국립표준기술연구소 (NIST) 가데이터암호화표준 (DES) 의차세대국제표준암호로대체하는순서공개형의대칭키암호방식 (TTA 용어사전 ) 출처 : 한국정보통신기술협회, ICT 표준화동향, 05, 2015 24
사물인터넷표준화 Weightless- W, N, P 비교 출처 : Duncan Purves, Overview of Wireless Sensor Networks, Sept, 2015 25
사물인터넷표준화 Weightless 적용사례 < Nwave 의 IoT Weightless Architecture > Weightless-N SDK 출처 : Duncan Purves, Overview of Wireless Sensor Networks, Sept, 2015 26
사물인터넷표준화단체 ( 기타 ) 27
기타사물인터넷표준화단체 ETSI : Inverting the pipes 28
기타사물인터넷표준화단체 ETSI: Functional Architecture 29
사물인터넷표준화 기타사물인터넷표준화단체 IETF( 국제인터넷표준화기구 ) IETF 는인터넷의운영, 관리, 개발에대해협의하고프로토콜표준을개발하고있으며, 사물인터넷의다양한인터넷프로토콜에대한표준을개발하고있음 IEEE에서는 IPv6 기반의저전력무선네트워크에대한표준을 6LoWPAN을통해추진하였으며, 6LoWPAN 의상위어플리케이션계층프로토콜의표준화를 CoAP에서추진하였음 최근, 2014 년 7월 IEEE P2413 프로젝트그룹을결성하여 IoT/M2M 전반적인프로토콜, 아키텍처구조들에대해표준개발작업에착수함 30
사물인터넷표준화 기타사물인터넷표준화단체 31
사물인터넷표준화 기타사물인터넷표준화단체 32
사물인터넷표준화 기타사물인터넷표준화단체 ITU-T(June 2012) Y.2060 국제표준화기구최초의사물인터넷관련국제표준 Y.2061 MOC(Machine-Oriented Communication) IEEE IEEE 802.11.ah 1GHz 이하의저주파대역에서동작하는 Wireless LAN 기술 IEEE 802.15.4 저속도무선개인통신망 (Low Rate Wireless Personal Area Networks, LR-WPANs) 를위한표준 3GPP Release 12 MTC Machine Type Communication Release 13 emtc Cellular IoT 33