ISO/IEC 18000-2-2004
信息技术.项目管理的射频识别.第2部分:135KHz以下的空中接口通信用参数已作废

Information technology - Radio frequency identification for item management - Part 2: Parameters for air interface communications below 135 kHz

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标准号

ISO/IEC 18000-2-2004

发布日期

2004年09月

实施日期

废止日期

无

中国标准分类号

M04

国际标准分类号

35.040;35.240.60

发布单位

国际标准化组织

代替标准

ISO/IEC 18000-2-2009

适用范围

This part of ISO/IEC 18000 defines the air interface for radio frequency identification (RFID) devices operating below 135 kHz used in item management applications. Its purpose is to provide a common technical specification for RFID devices to allow for compatibility and to encourage inter-operability of products for the growing RFID market in the international marketplace. This part defines the forward and return link parameters for technical attributes including, but not limited to, operating frequency, operating channel accuracy, occupied channel bandwidth, spurious emissions, modulation, duty cycle, data coding, bit rate, bit rate accuracy, bit transmission order. It further defines the communications protocol used in the air interface. This part contains two types. The detailed technical differences between the types are shown in the parameter tables. This part of ISO/IEC 18000 specifies ? The physical layer that is used for communication between the interrogator and the tag. ? The protocol and the commands ? The method to detect and communicate with one tag among several tags (“anti-collision”) It specifies two types of tags: Type A (FDX) and Type B (HDX). These two types differ only by their physical layer. Both types support the same anti-collision and protocol. FDX tags are permanently powered by the interrogator, including during the tag-to-interrogator transmission. They operate at 125 kHz. HDX tags are powered by the interrogator, except during the tag-to-interrogator transmission. They operate at 134,2 kHz. An alternative operating frequency is described in Annex B. An optional anti-collision mechanism is described in Annex D.

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