RFID TECHNOLOGY

WONG YIU TING

12200727

17 October 2012

Introduction of RFID

ApplicationSurvey results

Future development

and opportunities

Conclusion

RFID

RFID = Radio Frequency Identification

Electronic labeling and wireless identification of objects using radio frequency

Tag carries with its information a serial number

Model number

Color or any other imaginable data

When these tags pass through a field generated by a compatible reader, they transmit this information back to the reader, thereby identifying the object

RFID COMPONENTS

A basic RFID system consists of these

components:

A programmable RFID tag/inlay for storing item

data;

Consisting of an RFID chip for data storage

an antenna to facilitate communication with the RFID chip

A reader/antenna system to interrogate the

RFID inlay

Application software and a host computer

system

RFID TAG

The RFID tag consists of an integrated circuit (IC) embedded in a thin film medium.

Information stored in the memory of the RFID chip is transmitted by the antenna circuit embedded in the RFID inlay via radio frequencies, to an RFID reader

3 types

Passive

Semi-passive

Active

TYPES OF RFID TAGS

Active Tags

• Use a battery

• communicate over distances of several meters

Semi-passive Tags

• Contain built-in batteries to power the chip’s circuitry, resist interference and circumvent a lack of power from the reader signal due to long distance.

• They are different from active tags in that they only transmit data at the time a response is received

Passive Tags

• Derive their power from the field generated by the reader

• without having an active transmitter to transfer the information stored

APPLICATIONS

Frequency Appx. Read

Range

Data Speed Cost of Tags Application

Low

Frequency

(125kHz)

<5cm

(passive)

Low high -Animal

-Identification

Access Control

High

Frequency

(13.56 Mhz)

10 cm – 1m

(passive)

Low to

Moderate

Medium to Low -Smart Cards

-Payment

(paywave)

Ultra High

Frequency

(433, 868-928

Mhz)

3m -7m

(passive)

Moderate to

High

Low -Logistics and

Supply Chain

-Baggage

Tracking

Microwave

(2.45 & 5.8

Ghz)

10m -15m

(passive)

20m – 40m

(active)

High High -Electronic toll

collection

(Autotoll)

-Container

Tracking

CURRENT APPLICATIONSApplication

Segment

Representative

Applications

Competitive

Technologies

Current Penetration Typical Tag Type

Access Control Doorway entry Other keyless entry

technologies

High Passive

Asset Tracking Locating tractors

within a freight yard

None Low Active

Asset Tagging Tracking corporate

computing systems

Bar Code Low Passive

Authentication Luxury goods

counterfeit prevention

Holograms Low Passive

Baggage Tracking Positive bag matching Bar Code, Optical

Character

Recognition

Low Passive

POS Applications SpeedPass Credit Cards, Smart

Cards, Wireless

Phones

Medium Passive

SCM (Container

Level)

Tracking containers in

shipping terminals

GPS-based Systems Low Active

SCM (Pallet Level) Tracking palletized

shipments

Bar Code Minimal Active, Passive

SCM (Item Level) Identifying individual

items

Bar Code Minimal Passive

Vehicle Identification Electronic toll

collection

Bar Code, License

plate, reader systems

Medium Active, Passive

Vehicle Immobilizers Automotive ignition

systems

Other theft prevention

technologies

High Passive

APPLICATIONS

Credit Cards with RFID

(Paywave function)

Octopus (Smart Card)

APPLICATIONS

Autotoll (Electronic toll collection)

Access Control

ONLINE SURVEY

Target: SME

Information: Opinion on RFID and its

applications

Site:

http://qtrial.qualtrics.com/SE/?SID=SV_9N5UPR

ZuyuWtsk4

SURVEY RESULT

6%

23%

24%

29%

6%

12%

types of companies answering the questionnaire

Education

Manufacturing

Retailing

Warehousing

Transportation

Others

FURTHER DEVELOPMENT

In medical uses and library management

VIDEO

CONCLUSION

Positive

RFID is a contactless reading technology and can read through other materials

Hold more data than barcode does

RFID tags data can be changed or added

More effective, bring lots of convenience to us

Negative

Cost is relatively remain high (compare to barcode)

RFID signals may have problems with some materials

RFID standards are still being developed