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GB/T 30996.2-2017Information technology—Real-time locating systems—Part 2: 2.45GHz air interface protocol (English PDF)

信息技术实时定位系统第2部分：2.45GHz 空中接口协议

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 31, 2017

Implementation date

December 1, 2017

Scope

GB/T 30996.2-2017 is the English-translated version of 信息技术实时定位系统第2部分：2.45GHz 空中接口协议.

GB/T 30996.2-2017 is the Chinese national air interface protocol for real-time locating systems in the 2.45 GHz band.

It is Part 2 of GB/T 30996 and fixes the physical layer - operating frequency, emission spectrum density template, modulation and spreading, and error vector magnitude - and the data link layer, with the preamble, synchronization code, data length, frame options, message data and check code.

It then specifies the tag storage area, the state machine with its sleep, querying and sending states, and the reader commands and responses, which hibernate or inactivate tags and set the timeout, channel, wake-up mode and location data.

A final clause describes the protocol work modes; Annex A gives positioning methods. It applies to the design, production, use and testing of such systems, was issued on 31 May 2017 and has applied since 1 December 2017.

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Document preview — GB/T 30996.2-2017

National Standard of the People's Republic of China

ICS: 35.240
Classification: L 70

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 normative reference document
3 Terms and definitions
4 acronym
5 physical layer
5.1 Operating frequency
5.2 Emission Spectrum Density Template
5.3 Modulation and Spread
5.4 Transferring and Conversion Time
5.5 Error vector magnitude (EVM)
6 data link layer
6.1 General requirements
6.2 Preamble
6.3 Synchronization code
6.4 Data length
6.5 frame options
6.6 Message data
6.7 check code
7 Tag storage area structure
8 state machine
9 reader command and tag response
9.1 Command Type
9.2 Command Code Table
9.3 Hibernate all tag commands
9.4 Hibernate all tags except a tag
9.5 Inactivation command
9.6 Update system password command
9.7 Timeout configuration command
9.8 Location Information Configuration Commands
9.9 Channel setting command
9.10 wake-up mode setting command
9.11 query command
9.12 tag sending positioning information frame
9.13 Tag Type Status Configuration Command
9.14 Idle channel monitoring parameter configuration command
10 protocol work
10.1 Overview of Real-time Location System
10.2 Tag Emission Location Information Frame
10.3 Location Information Operating Mode
10.4 Idle channel monitoring
10.5 Tag type and status switch
Appendix A (informative) Real - time positioning system positioning method

Foreword

GB/T 30996 "Information technology real-time positioning system" is divided into three parts.

- Part 1. Application interface;

Part 2. 2.45GHz air interface protocol;

Part 3. 433MHz Air Interface Protocol.

This part is part 2 of GB/T 30996.

This part is drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This part of GB/T 30996 specifies the air interface parameters for the real-time positioning system 2.45 GHz air interface protocol, including the physical layer And data link layer parameters, label state machine, reader command and tag response, and protocol work and so on.

This part is suitable for the design, production, use and testing of real-time positioning system.

2 Normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including all modifications) applies to this document.

GB/T 28925-2012 Information technology - Radio frequency identification - 2.45 GHz air interface protocol

GB/T 29261.3-2012 Information technology - Automatic identification and data acquisition - Vocabulary - Part 3: Radio frequency identification

GB/T 29261.5-2014 Information technology - Automatic identification and data acquisition - Vocabulary - Part 5: Positioning system

3 Terms and definitions

GB/T 29261.3-2012 and GB/T 29261.5-2014 and the following terms and definitions apply to this document.

3.1 RTLS air interface

Wireless communication protocol and signaling architecture for data communication between RTLS tags and other RTLS devices.

3.2 Sleep state

The tag is in a state in which the tag has a low power consumption characteristic and can be periodically or externally triggered to enter the transmitting state.

3.3 Query status

The tag is in a state in which the tag can receive and respond to commands issued by the reader.

3.4 Tag fired state

Tag in a state in which the tag actively sends the location data to be reported.

3.5 Wake up

The label is transferred from the dormant state to the transmitting state by the low frequency excitation signal, the external event trigger or the timing trigger.

4 Abbreviations

The following abbreviations apply to this document.

DBPSK Differential Binary Phase Shift Keying (Differential Binary Phase Shift Keying)

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.

Referenced standards

Normative references

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