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ISO/IEC 18000-62 1st Edition, July 15, 2012 Information technology - Radio frequency identification for item management - Part 62: Parameters for air interface communications at 860 MHz to 960 MHz Type B
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Availability date: 07/13/2021
Description / Abstract:
This part of ISO/IEC 18000 defines the air interface for radio
frequency identification (RFID) devices operating in the 860 MHz to
960 MHz Industrial, Scientific, and Medical (ISM) band used in item
management applications. It provides a common technical
specification for RFID devices that can be used by ISO committees
developing RFID application standards. This part of ISO/IEC 18000
is intended to allow for compatibility and to encourage
inter-operability of products for the growing RFID market in the
international marketplace. 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.
This part of ISO/IEC 18000 specifies the physical and logical
requirements for a passive-backscatter, Interrogator-Talks-First
(ITF) systems. The system comprises Interrogators, also known as
readers, 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 system is ITF, meaning that a tag
modulates its antenna reflection coefficient with an information
signal only after being directed to do so by an Interrogator.
In detail, this part of ISO/IEC 18000 contains Type B.
Type B uses Manchester in the forward link and an adaptive
binary-tree collision-arbitration algorithm.
This part of ISO/IEC 18000 specifies
— physical interactions (the signalling layer of the
communication link) between Interrogators and tags,
— Interrogator and tag operating procedures and commands,
— the collision arbitration scheme used to identify a specific
tag in a multiple-tag environment.