Internet das coisas

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Internet of Things - An Introduction

Dr. P.C. Jain, Dr. Arti Noor, Vinod Sharma

School of Electronics

Outline:
• • • • • • • • Introduction Wireless Sensor Network Low Power WPAN IPv6-6LoWPAN Energy Harvesting Applications Ubiquitous Computing Group Activities Conclusions

Introduction
• Internet of Things (IoT) represented as “Worldwide network interconnecting Things / objects” • Objects/Things could be Books, Cars, Electrical appliances, Food etc.

• IoT will become third IT revolution after mobile phones and PCs

Cost

Miniaturization

Internet of Things

• * * * •

IoT covers communication between Things–to–person, Things-to-things, Machine-to- machine It will have billions or trillions objects communicating with one another It has become possible due to advances in Micro-electronics Wireless communication and Information technology

• * * *

• Objects of IoT Interact with one another to perform action on behalf of people • IoT will improve ultimately the quality of life • Objects will have their own IP addresses (IPv6 with 128 bit address) embedded in complex system • Objects are made smart * using micro-controllers and * used transceivers to communicate wirelessly

• Use RFID tags for identify the objects and its location • Use sensors to sense changes in physical environment • Use actuators to counteract on changes in physical environment

Antenna

Sensor

MicroController

Transceiver

Power PowerSupply Supply

Wireless Sensor Node

Sensor Node

Single Chip WSN Node

• Wireless Sensor Network (WSN) work under Low power Wireless Personal Area Network (LoWPAN) standard • For the same IEEE802.15.4 standard was introduced • Currently WSN have non-IP network protocol such as ZigBee, Bluetooth, or Ultra Wideband (UWB) where TCP/IP protocol is not used

IEEE802.15.4 Standard
This network is • Low cost • Long battery life (months to years) • Accommodate large sensor networks (Max. 65,535 nodes) •

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