An Introduction to Internet of Things (IoT) Course was conducted at the International conference on Smart Technologies for Smart Nation 2017, REVA University, Bangalore, India.
1. A Short Course
On
Introduction to Internet of
Things (IoT)
Vignesh Govindraj
Research Engineer, Tellercomm, Bengaluru
Mithileysh Sathiyanarayanan
Research Scientist, Red Sift, London, UK
4. IoT – Why should we care?
• Cutting edge technology
50 Billion connected devices by 2025.
“What was the last piece of technology you purchased that didn't have Wi-Fi
or Bluetooth built in? Probably your original iPod.
• We are Engineers !!!
6. Chronology
• 1990
The first Internet connected toaster is born.
Developed by John Roomkey.
• 1999
The term IoT was coined by Kevin Ashton.
• 2000
LG announces its first Internet connected
refrigerator plans.
7. Why is the Internet of Things a newly
popular topic today?
33. Selecting the right controller/processor for
Things in IoT
• Cost
• Memory
• Power consumption
34. Some more parameters to be considered
• How many street lights are there in India ?
Approx. 400 million
• Should all the lights be connected o the
Internet ?
• Are there enough IP addresses?
35. IPv4 and IPv6
• 32 bit address
2^32 =
4,294,967,296 IP addresses
• 128 bit address
2^128 =
340,282,366,920,938,463,463,374,607,431,768,
211,456 IP addresses
45. IoT Protocols
1. Bluetooth
• Standard: Bluetooth 4.2 core specification
• Frequency: 2.4GHz (ISM)
• Range: 50-150m (Smart/BLE)
• Data Rates: 1Mbps (Smart/BLE)
46. IoT Protocols
2. Zigbee
• Standard: ZigBee 3.0 based on IEEE802.15.4
• Frequency: 2.4GHz
• Range: 10-100m
• Data Rates: 250kbps
47. IoT Protocols
3. Z-Wave
• Standard: Z-Wave Alliance ZAD12837 / ITU-T
G.9959
• Frequency: 900MHz (ISM)
• Range: 30m
• Data Rates: 9.6/40/100kbit/s
• 16 bit address space
48. IoT Protocols
4. 6LowPAN
• Standard: RFC6282
• Frequency: (adapted and used over a variety
of other networking media including
Bluetooth Smart (2.4GHz) or ZigBee or low-
power RF (sub-1GHz)
• Range: N/A
• Data Rates: N/A
49. IoT Protocols
5. Thread
• Standard: Thread, based on IEEE802.15.4 and
6LowPAN
• Frequency: 2.4GHz (ISM)
• Range: N/A
• Data Rates: N/A
• Supports a mesh network of upto 250 nodes
50. IoT Protocols
6. WiFi
• Standard: Based on 802.11n (most common
usage in homes today)
• Frequencies: 2.4GHz and 5GHz bands
• Range: Approximately 50m
• Data Rates: 600 Mbps maximum, but 150-200Mbps is
more typical, depending on channel frequency used and
number of antennas (latest 802.11-ac standard should
offer 500Mbps to 1Gbps)
51. IoT Protocols
7. Cellular
• Standard: GSM/GPRS/EDGE (2G), UMTS/HSPA
(3G), LTE (4G)
• Frequencies: 900/1800/1900/2100MHz
• Range: 35km max for GSM; 200km max for
HSPA
• Data Rates (typical download): 35-170kps (GPRS),
120-384kbps (EDGE), 384Kbps-2Mbps (UMTS), 600kbps-
10Mbps (HSPA), 3-10Mbps (LTE)
71. Lets set a baseline…..
The average lifespan
of a refrigerator….
17 years.
72. IHS forecasts that IoT market will grow from an
installed base of 15.4 billion devices in 2015 to
30.7 billion devices in 2020 and 75.4 billion in
2025.