an infrastructual secure wireless sensing and actuating solution

Usman Sarwar, Kamarul Zaman and Joshua Fung

Embedded World 2016

An Infrastructural Secure

Wireless Sensing and Actuating

Solution

Internet of Things Group 2

IoT Connectivity Landscape

IEEE 802.15.4

6LoWPAN

Oth

er

Te

chn

olo

gie

s

BluetoothWIFI

Sta

nd

ard

BT

SW

6L

oW

PA

N

Ethernet

RF

ID /

NF

C Standard OSI Reference Protocols

Stack

Cellular

Cellular specific protocols

Complexity Simplicity

IPS

O

Th

rea

d

Zig

Be

e I

P

Zig

Be

e

TSN

2G /3GSIGFOXLTE-MOthers

others

Internet of Things Group

Connectivity Landscape (Distance vs Bandwidth)

3


IoT based infrastructure use-cases with IEEE 802.15.4

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IEEE 802.15.4

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• Designed for low bandwidth, low transmit power, small frame size

• Design for Low power sensing and actuating applications.

• AA batteries usage up to 5+ years

• Indoor range: 10 to 50 Meters. Outdoor: 100+-

• Network topologies: Star, Tree and Mesh

Frequencies Data Rate 2011 Spec

Data Rate 2006 Spec

Channels

2.4 GHz 250 kbps 250kbps 16

928 Mhz 100 kbps 40 kbps 10

868 Mhz 100 kbps 20 kbps 1

Oth

er

Use

-ca

ses

Overall Market Value2020

1100B$

Lo

gis

tics

157B$

Use cases

400B$58B$ 5+ B$

Sy

rin

ge

s

Me

dic

ine

117B$


What is 6LoWPAN?• Acronym for IPv6 over Low power Wireless Personal Area Networks.

• Standard from the maker of Internet (IETF) which works with existing Internet infrastructure (30+ years)

• Widely accepted Standard and created Internet based on IP architecture

• It provides

• Adaptation layer for interoperability and packet formats

• Adapting the packet sizes of the two networks

• Address resolution

• Addressing management mechanisms

• Routing considerations and protocols for mesh topologies in 6LoWPAN

• Scalable


Why 6LoWPAN and what are the possibilities?


What is NetContiki?

• Fork of Contiki OS

• Numerous Bug fixed in Contiki OS and other components (eg. CoAP) with optimization towards commercialization

• Features and tools

• Interoperable IPSO 6LoWPAN stack

• Automatic channel selection

• Over the air upgrade

• Optimization in mesh routing

• Security framework

• Scalable to have larger network per routing device

7


IoT gateway –Application Processor Centric

8

Intel Architecture Gateway

IPSO 6LoWPAN Stack

Performance Optimization

Application services

WIFI

Ethernet

UDP/IP stack (Kernel)IEEE 802.15.4 Transceiver

Serial protocol

Cellular

+ Open Source (in-progress)

+ NBR software independent of IEEE 802.15.4 Transceiver

+ Scalable from Quark to Xeon

+ Available on Linux

+ Optimization (eg. Higher communication throughput, bigger routing table

etc)


Intel 6LoWPAN solution

1. Network Border router modes• Normal NBR• Neighbor discovery• Smart bridge• Multi-NBR with multi-15.4 radio• Infrastructural mode

2. Application services • IPSO smart objects• OMA LWM2M (bootstrap and the server)• CoAP (Reference Demo for sensors, LEDs and buttons (using IoT-u10)

3. Security• DTLS support for CoAP - Pre Shared Keys, Raw Public Certificates

• IEEE 802.15.4 Layer 2

4. RPL MESH

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Ref: http://www.ipso-alliance.org


Intel 6LoWPAN solution(Conti..)

5. Other Features

• OTA programming

• Automatic network selection mechanism using beacons (active scans)

6. Optimization

• Packet handling

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Ref: http://www.ipso-alliance.org


Intel IPSO 6LoWPAN solution

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Successful Intel 6LoWPAN stack interoperability at IPSO plugfest - May 2015

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Infrastructural IP based WSN

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demo

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Curie based device


Current Status

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Yocto Linux

Quark BSP 1.2 (Available for evaluation)

Baytrail BSP (Soon)

NetContiki

Yanzi IoT-U10 (USB)

Quark Microcontroller devices

Contiki supported platforms


Sarwar, Usman <[email protected]>

Palangian, Gary <[email protected]>

16

Contact for details

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an infrastructual secure wireless sensing and actuating solution

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