ISO 18000-4 Information technology — Radio frequency identification for item management — Part 4: Parameters for air interface communications at 2,45 GHz
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ISO 18000-4 Document Information:
Title
Information technology — Radio frequency identification for item management — Part 4: Parameters for air interface communications at 2,45 GHz
International Organization for Standardization
Publication Date:
Sep 1, 2008
Scope:
This part of ISO/IEC 18000 defines the air interface for radio
frequency identification (RFID) devices operating in the 2,45 GHz
Industrial, Scientific, and Medical (ISM) band used in item
management applications. This part of ISO/IEC 18000 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. This part of ISO/IEC 18000
defines the forward and return link parameters for technical
attributes including, but not limited to, operating frequency,
operating channel accuracy, occupied channel bandwidth, maximum
equivalent isotropically 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. This part of ISO/IEC 18000 further defines the communications
protocol used in the air interface.
This part of ISO/IEC 18000 contains two modes. The first is a
passive tag operating as an interrogator talks first and the second
is a battery-assisted tag operating as a tag talks first. The
detailed technical differences between the modes are shown in the
parameter tables.
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