8/12/2019 Dash7 a New Wireless Technology

1/24

DASH A NEW WIRELESS

TECHNOLOGY

y

G.SAITEJA

K.SRAVAN REDDY

K.G REDDY COLLEGE OF ENG&TECH

8/12/2019 Dash7 a New Wireless Technology

2/24

Contents

Introduction

What is DASH7?

Why is ISO 18000-7?

Technical aspects

Idea of its working

Advantages

Comparison with othercompetingtechnologies

Applications

Conclusion

Thanks giving

8/12/2019 Dash7 a New Wireless Technology

3/24

Introduction

World runs on wireless.

People need to communicate.

Telecommunication, Bluetooth, wi-fi, zigbeeetc.

Here comes another technology DASH7

8/12/2019 Dash7 a New Wireless Technology

4/24

What is dash7?

Ultra-low energy wireless data technology.

Based on ISO 18000-7 standard.

433.96MHz

28 kbps

8/12/2019 Dash7 a New Wireless Technology

5/24

Why ISO 18000-7?

robust and stable

Has room for expansion and improvement.

Global adoption

Strong support from public and commercialsectors.

8/12/2019 Dash7 a New Wireless Technology

6/24

Why only 433MHz?

8/12/2019 Dash7 a New Wireless Technology

7/24

No license fee for 3 bands in many

countries

8/12/2019 Dash7 a New Wireless Technology

8/24

Internationally available for free!!!

8/12/2019 Dash7 a New Wireless Technology

9/24

Technical aspects

Tag-to-tag communication.

Frequency spectrum.

BLAST

8/12/2019 Dash7 a New Wireless Technology

10/24

Frequency spectrum

8/12/2019 Dash7 a New Wireless Technology

11/24

BLAST?

BURSTY-abrupt data transfer, no isochronous

data(video streaming).

LIGHT-packet sizes of 256kb in many applications.

ASYNCHRONOUS-need of synchronization.

TRANSIT- may be translational or mobile.

8/12/2019 Dash7 a New Wireless Technology

12/24

Interoperability

A feature of all layers working together.

1.Physical :-modulation and band frequencies.

2.data link layer:-communications protocol, data

header, commands, data, collision treatment.

8/12/2019 Dash7 a New Wireless Technology

13/24

How it works?

8/12/2019 Dash7 a New Wireless Technology

14/24

Advantages

433MHz,globallyavailable

28kbps

Range of 1km+

Long range

sensors,encryption,2-hop capabilities

10-year battery life

Low device cost

interoperability

8/12/2019 Dash7 a New Wireless Technology

15/24

A technology must increase the

strengths of the application

8/12/2019 Dash7 a New Wireless Technology

16/24

8/12/2019 Dash7 a New Wireless Technology

17/24

Some common standards

8/12/2019 Dash7 a New Wireless Technology

18/24

Applications

Location based services

Mobile advertising

Automotive

Building automation

Access control

Smart energy

8/12/2019 Dash7 a New Wireless Technology

19/24

History

January 2009,US.DOD announced the largest RFIDaward in history, a $429 million contract for DASH7devices

March 2009, the DASH7 Alliance

April 2011,adoption of DASH7 Mode 2

March 2012, DASH7 Mode 2 specification available tonon-members on an open source basis.

http://en.wikipedia.org/wiki/DASH7_Alliancehttp://en.wikipedia.org/wiki/DASH7_Alliance

8/12/2019 Dash7 a New Wireless Technology

20/24

Benedetto Vigna says , "We strongly believe

that the next big wave in sensors will be

driven by the combination of the sensingfunction with wireless transmissionand ISO

18000-7 is the right solution for security and

asset monitoring applications

8/12/2019 Dash7 a New Wireless Technology

21/24

"There is a great potential for DASH7

technology in the automotive area," said

Gilles Cerede, Product Line Manager for

Wireless Automotive & Sensing at Melexis.

8/12/2019 Dash7 a New Wireless Technology

22/24

Conclusion

Work in progress

High chances of acceptance

Various advantages

Needs time to evolve and remain as a betteroption

8/12/2019 Dash7 a New Wireless Technology

23/24

ANY QUERIES..

8/12/2019 Dash7 a New Wireless Technology

24/24