Therefore, whenever a tag has its counter SC = 0, it transmits W bits starting from BC bit (see Figure 3) and a cyclic redundancy check code (CRC), similar to that demanded on the EPC C1G2 standard , to differentiate their responses at the reader.
These tags are uniformly distributed and k is assumed as 128 bits since it is the most common ID length that is currently used in the standard EPC C1G2 (96 bits of Electronic Product Code + 16 bits of Protocol Control + 16 bits of CRC) .
In the numerical simulations, suppose that readers are randomly deployed in a square area of 100 x 100 [m.sup.2] and in the multiple-reader scenarios, where readers and tags transmit in the same channels following EPCglobal C1G2
In the next section the method for accessing tags used in EPC C1G2 explained.
In the EPC C1G2 standard , a simple medium access protocol called the "Q-algorithm" is described to identify tags in a multi-tag environment.
Note that C1G2
has exactly the same dyad content as C1G1, but the pitch classes that comprise their dyads are not the same.
The rugged and durable RX2 lift truck-mounted RFID reader is a simple, easy-to-install, vehicle-mounted technology that reads EPC Class 0, Class 1 and C1G2
(Gen 2) tags.
Moreover, by upgrading its firmware, it will accommodate Class 1 Generation 2 protocol by EPC Global (C1G2)(*6) from October 2005.
In light of this situation, the adoption of Electronic Product Code Class 1 Generation 2 (C1G2) developed by EPCglobal Inc.
The RMETER from Farsens S.L., San SebastiEin, Spain, is a battery free RFID sensor tag capable of transmitting a unique identifier and the associated resistance measurement data to a commercial EPC C1G2
reader without the need of a battery on the sensor tag.
Tokyo, Japan, Sept 5, 2005 - (JCN Newswire) - Omron Corporation (TSE: 6645; US: OMRNY), a global leader in automation, sensing and control technologies, announced today it will ship an IC tag inlay compliant with Class 1 Generation 2 (C1G2) of EPCglobal specifications.
The sample shipped IC tag inlay conforms to the UHF band 902-928 MHz used in the U.S., and is also compliant with EPCglobal Class1 Generation 2 (C1G2), as defined by EPCglobal, the international standardization organization.