ISO18000 6B PDF

It defines the forward and return link parameters for technical attributes including, but not limited to, operating frequency, operating channel accuracy, occupied channel bandwidth, maximum effective isotropic radiated power EIRP , spurious emissions, modulation, duty cycle, data coding, bit rate, bit rate accuracy, bit transmission order, and, where appropriate, operating channels, frequency hop rate, hop sequence, spreading sequence, and chip rate. It further defines the communications protocol used in the air interface. The system comprises Interrogators, and tags, also known as labels. An Interrogator receives information from a tag by transmitting a continuous-wave CW RF signal to the tag; the tag responds by modulating the reflection coefficient of its antenna, thereby backscattering an information signal to the Interrogator. The detailed technical differences between the four types are shown in the associated parameter tables.

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These two standards have their own advantages. ISOB standard The standard is based on common standards, the application is mature, the product performance is relatively stable, and the data format and standards are relatively simple. The main features of the ISOB standard include: mature standards, stable products, and wide application; ID number is globally unique; first read ID number, read data area; bits or bits large capacity; 98Bytes or Bytes large user data area; The tags are read at the same time and can read up to dozens of tags at the same time; the data reading speed is 40kbps.

Electronic labels conforming to the ISOB standard are mainly used in areas such as asset management. According to the characteristics of ISOB standard, in terms of reading speed and number of labels, in applications where the number of labels such as bayonet and dock operations is small, the label using ISOB standard can basically meet the demand.

The shortcomings of the ISOB standard are: the development stagnation in recent years, the trend of being replaced by EPC C1G2; the software curing technology of user data is not mature, but this situation can be solved by the chip manufacturer embedding user data.

The EPC C1G2 standard is mainly applied to the identification of a large number of items in the field of logistics and is in the process of continuous development. However, the following issues need to be considered: 1. The label products and applications of this standard are still immature.

The current labels are mostly air media. The user data area is small, only 28 bytes. For the container identification electronic label, if the container data defined by ISO is to be written, the data area capacity is insufficient. At present, almost all chips used for EPC tags are flip-chip, and there are very few chips that can be soldered. The process of pour-on film is difficult to guarantee for items that work outdoors for a long time, sports, and bumps.

The chip design and package design have weaker considerations for the environmental adaptability of the product. For example, the environmental applicability required for the container tag electronic tag is high. In the field of long service life and relatively professional application fields, the technology, performance and process of the chip need to be further improved. The standard contains a self-destruction procedure, which requires careful consideration of the long-term flow of the container.

According to the above analysis and comparison, the ISOB standard electronic label technology and application are relatively mature. For example, it can be applied to container labels, and the productization and practical steps can be faster. The problem needs to be strongly supported by domestic and foreign chip vendors, and the time for practical promotion is unpredictable.

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