1 RFID and Telecommunication Services 25th May 2004 DATA BASE forum Dave Mapleston Alien Technology Corporation

2 RFID and Telecommunication Services 25th May 2004 DATA BASE forum Alien Readers Alien Antennas Alien Tags Tags-&-Readers Data Power & Commands

3 RFID and Telecommunication Services 25th May 2004 DATA BASE forum Four-Port Reader 866MHz ETSI EN

4 RFID and Telecommunication Services 25th May 2004 DATA BASE forum Application Layer The ePC-96 protocol CRC L & K

5 RFID and Telecommunication Services 25th May 2004 DATA BASE forum ETSI EN W ERP - 10 sub bands of 200 KHz Look before leap Also at 500mW

6 RFID and Telecommunication Services 25th May 2004 DATA BASE forum USA v Europe 915 MHz 866 MHz MHz 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 Services 25th May 2004 DATA BASE forum Regulations Listen before talk 865MHz 867MHz 200KHz Transmitter 2 miles away! (–96dB) Dont go there!

8 RFID and Telecommunication Services 25th May 2004 DATA BASE forum Regulations Listen before talk 865MHz 867MHz 200KHz Transmition from other Readers Dont go there! 4 seconds TX then re-look for 0.1s

9 RFID and Telecommunication Services 25th May 2004 DATA BASE forum Regulations Listen before talk 865MHz 867MHz 200KHz Transmition from other Readers Dont go there! 4 seconds TX then re-look for 0.1s

10 RFID and Telecommunication Services 25th May 2004 DATA BASE forum Lepton A –128 Bits EEPROM –40% improved sensitivity –Digital PLL for world market Chip Developments

RFID Academy Cambridge University Real Hands on Beyond the Basics

12 RFID and Telecommunication Services 25th May 2004 DATA BASE forum Reader Demonstration