1

 RFID and Telecommunication Services25th May 2004

DATA BASE forum

Dave Mapleston

Alien Technology CorporationAlien Technology Corporation

2

 RFID and Telecommunication Services25th May 2004

DATA BASE forum

•Alien Readers

•Alien Antennas

•Alien Tags

Tags-&-ReadersTags-&-Readers

Data

Power & Commands

0101011010101011

3

 RFID and Telecommunication Services25th May 2004

DATA BASE forum

Four-Port ReaderFour-Port Reader

866MHz

ETSI EN 302 208-1ETSI EN 302 208-1

4

 RFID and Telecommunication Services25th May 2004

DATA BASE forum

Application LayerApplication Layer

The ePC-96 protocol

   

01 0000A89 000169DC000016F

8-bits 28-bits 24-bits 36-bitsHeader EPC Manager Object Class Serial Number

CRC L & K

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 RFID and Telecommunication Services25th May 2004

DATA BASE forum

ETSI EN 302 208-1ETSI EN 302 208-1

• 2W ERP - 10 sub bands of 200 KHz• Look before leap

865.7 MHz 867.5 MHz

FT

865.1 MHz 867.9 MHz

100 mW

867.7 MHz865.5 MHz

LT

FT

LT LT

FT

600 kHz 600 kHz600 kHz

2 W

FT

LT

500 mW

865.0 MHz 865.6 MHz 867.6 MHz 868.0 MHz

Also 869.5 at 500mW

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 RFID and Telecommunication Services25th May 2004

DATA BASE forum

USA v EuropeUSA v Europe

915 MHz

866 MHz

867.7 MHz865.7 MHz

902 MHz 928 MHz

USA:

• (2.4 W ERP) (4W EIRP)

• Transmit

• Frequency Hopping

• 63 bands 400KHz wide

• 26 MHz band

Europe

• (2W ERP)

• Listen before talk

• 10 bands 200KHz wide

• Wave shaping

• Lower data rates

• Co channel existence

7

 RFID and Telecommunication Services25th May 2004

DATA BASE forum

RegulationsRegulations

• Listen before talk

865MHz 867MHz

200KHz

Transmitter 2 miles away! (–96dB)

Don’t go there!

8

 RFID and Telecommunication Services25th May 2004

DATA BASE forum

RegulationsRegulations

• Listen before talk

865MHz 867MHz200KHz

Transmition from other Readers

Don’t go there!

4 seconds TX then re-look for 0.1s

9

 RFID and Telecommunication Services25th May 2004

DATA BASE forum

RegulationsRegulations

• Listen before talk

865MHz 867MHz200KHz

Transmition from other Readers

Don’t go there!

4 seconds TX then re-look for 0.1s

10

 RFID and Telecommunication Services25th May 2004

DATA BASE forum

Lepton A– 128 Bits EEPROM

– 40% improved sensitivity

– Digital PLL for world market

Chip Developments

RFID AcademyRFID AcademyCambridge UniversityCambridge University

Real Hands onReal Hands onReal Hands onReal Hands on

Beyond the Basics

12

 RFID and Telecommunication Services25th May 2004

DATA BASE forum

Reader DemonstrationReader Demonstration