Knowledge Q & A: EPC and other RFID standards in the Q-RFID, EPC-Security In
Abstract: In recent years, with the acceleration of scientific and technological development, science and technology concerns that people have more and more. Particularly in relation to science and technology in daily life, and people's daily life because, while people are curious to adapt to this new technology. RFID is one of them. It is not a new technology, however, is to be re-instituted in the past two years, a high-tech. About it Standard Problem is also the focus of attention.
Key words: standardization, EPC, Gen2, ISO
Abstract: Under quick speed of science and technologydevelopment, people recently pay more attentionon science andtechnology that is closer to each daily life. People also try toadapt the latest technology with curiosity such as RFIDtechnology, which is not new.But, it is re-mentioned as ahigh-technology in the past two years.Also, RFID standard is ahot-focus.
Keywords: Standardization, EPC, GEN2, ISO 1, Q: What is the standardization of RFID?
A: RFID is the various manufacturers had their own way of mutual independence and developed under the standards set out, so the lack of unified and standardized. Because of this, it is difficult in large-scale system was applied. The fervent hope that the popularity of RFID technology areas, such as the operation of the logistics sector as the region is very wide of the `attached great importance to the standardization of RFID. RFID tag and reader standards are among the Communicate Agreements, and the label ID of the format and structure of data retrieval and so on.
2, Q: What is the EPC?
A: EPC stands for ElectronicProductCode, the Chinese language as Product Electronic code. EPC is the RFID tag carrier, and using the Internet to achieve information transmission. EPC every single product is designed to build a global, open identity standards, implementation of the single worldwide product tracking and tracing, in order to effectively improve supply chain management, reduce logistics costs. EPC is a complete, complex, integrated system.
3, Q: EPCglobal What kind of organization?
A: EPCglobal Chinese interpreted as EPC Global Management Center, is the Electronic Product Code (EPC) in global management body, affiliated to the International Article Numbering Association (GSI), is a global user involvement, and neutral , non-profit standards organization. It is through the International Article Numbering Association (GS1) in 103 countries and territories worldwide coding organizations (item code in China is the center) to promote and implement the EPC work, including: the promotion of EPC standards; management EPCglobal Network; implementation of the EPC system promotion; and including MIT M University IT (MassachusettsInstituteofTechnology), including seven Auto-ID Labs research and development cooperation. National coding system, members of the organization responsible for managing the registration and EPC standards Chemical industry For, in the local promotion of EPC systems, provide technical support and training. United States, Wal-Mart, IBM, Microsoft, British Tesco, the Netherlands, Philips, hundreds of Japan's DNP, etc. Enterprise Is a member of EPCglobal.
4, Q: Electronic Product Code EPC and EAN? UCC coding relationship to them?
A: EPC encoded with EAN / UCC code-compliant RFID coding standard. The same as any code, EPC code must be carried out over the posted articles on the carrier, goods can be identified and recognized. EPC RFID tag is the only carrier, EPC has become GS1 (UCC and EAN by the established after the merger) is a major business. EPC code with the EAN / UCC code is compatible, to achieve a unique identification of individual products, while the EAN / UCC codes primarily identified on the product category.
5, Q: EPC encoding is how the composition?
A: EPC encoded digital form by the 96. In a few years you and the bar code similar to the distribution of a manufacturer ID, product ID and other digital segment. RFID is higher than the standard bar code identifier. Its main feature is the use of it in manufacturing, distribution, Sell , Use up the entire process of re-use of effective management of goods, and help develop the best products in circulation management. From the EPC encoded form can be seen the large amount of data, not only for the hundreds of millions of businesses, and each company can more than one thousand of thousands of products, each product can be 68 billion single-product endowed.
6, Q: EPC standard RFID tags use under what band?
A: Despite the existence of low frequency, high frequency, ultrahigh frequency, very high frequency and many other bands have made use of RFID, EPC coding standards, but only use UHF UHF (ultrahighfrequency) band (860MHz-960MHz) . The UHF band has been mobile, wireless broadcasting and other wireless business occupied. States should not be cleaned up to reduce some of the impact of frequency, each chosen for the different frequency bands within the UHF RFID-specific. The United States use 915MHz, the European choice 868MHz, the end of the second generation of mobile phones in Japan will be 952MHz-954MHz or 950MHz-956MHz giving RFID. China, Hong Kong is a 865MHz-868MHz. Since China is the current scope of GSM, CDMA and other occupation, so clean up will be considered based on the 917MHz-922MHz assigned to RFID use, but also use 860Mhz band to say the following, has not yet made a final decision.
7, Q: EPC standards What are the characteristics?
A: Because the current EPCGen2 (referred to below on the Gen2 and Gen1 see the text of the description after) the standard is only for the UHF band, it is suitable for long-distance read-write (Read ID up to a distance of about 8m), therefore mainly used in logistics and other areas of need for longer distance communication. EPC UHF currently no set standards other than the band. That EPC's main target is the logistics, especially in the field of logistics in the circulation, such as for shopping. This limit in a very narrow target range of greatest benefit is that it can reduce the cost of RFID tags. Costs to a certain extent, for example, 5 cents (0.4 yuan), commodities can be used on electronic tags. EPCGen2 of air interface standards for the integration of the Gen1 and the ISO agreement about the advantages of air interface, plus some borrowed from other communication system information, such as from 802.11Wi-FI routers, to achieve communication reader and tag, This agreement than the existing RFID faster, more reliable, and can be solved on the ring
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