BS-ISO-IEC-24730-2-2006.pdf
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1、BRITISH STANDARD BS ISO/IEC 24730-2:2006 Information technology Real-time locating systems (RTLS) Part 2: 2,4 GHz air interface protocol ICS 35.040 ? Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:09:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS ISO/IEC 2
2、4730-2:2006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007 ISBN 978-0-580-49975-3 National foreword This British Standard was published by BSI. It is the UK implementation of ISO/IEC 24730-2:2006. The UK participatio
3、n in its preparation was entrusted to Technical Committee IST/34, Automatic identification and data capture techniques. A list of organizations represented on IST/34 can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract.
4、Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:09:35 GMT+00:00 2007
5、, Uncontrolled Copy, (c) BSI Reference number ISO/IEC 24730-2:2006(E) INTERNATIONAL STANDARD ISO/IEC 24730-2 First edition 2006-12-15 Information technology Real-time locating systems (RTLS) Part 2: 2,4 GHz air interface protocol Technologies de linformation Systmes de localisation en temps rel Part
6、ie 2: Protocole dinterface dair 2.4 GHz BS ISO/IEC 24730-2:2006 Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:09:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ii Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:09:35
7、GMT+00:00 2007, Uncontrolled Copy, (c) BSI iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 1 4 Symbols and abbreviated terms . 3 5 Requirements 3 5.1 Frequency range. 3 5.2 2,4 GHz spread spectrum air interface attributes 3 5.3 Compliance r
8、equirements 4 5.4 Manufacturer tag ID 4 5.5 Physical layer parameters . 4 6 Mandatory air interface protocol specification 7 6.1 Introduction. 7 6.2 RTLS transmitter radiated power 10 6.3 DSSS message specifications. 10 7 Optional air interfaces 13 7.1 RTLS transmitter OOK/FSK message specifications
9、 13 7.2 Programmer magnetic FSK message specifications 15 7.3 Exciter air interface. 27 Annex A (informative) Locating an object through trilateration 29 BS ISO/IEC 24730-2:2006 Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:09:35 GMT+00:00 2007, Uncontrolle
10、d Copy, (c) BSI iv Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Stand
11、ards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and
12、IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee i
13、s to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the poss
14、ibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 24730-2 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 31, Automa
15、tic identification and data capture techniques. ISO/IEC 24730 consists of the following parts, under the general title Information technology Real-time locating systems (RTLS): Part 1: Application program interface (API) Part 2: 2,4 GHz air interface protocol BS ISO/IEC 24730-2:2006 Licensed Copy: L
16、ondon South Bank University, London South Bank University, Thu Jan 18 01:09:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI v Introduction ISO/IEC 24730 defines two air interface protocols and a single application program interface (API) for real-time locating systems (RTLS) for use in asset managemen
17、t and is intended to allow for compatibility and to encourage interoperability of products for the growing RTLS market. This part of ISO/IEC 24730, the 2,4 GHz air interface protocol, establishes a technical standard for real-time locating systems that operate at an internationally available 2,4 GHz
18、 frequency band and that are intended to provide approximate location with frequent updates (for example, several times a minute). In order to be compliant with this standard, compliance with this part of ISO/IEC 24730 and ISO/IEC 24730-1 is required. Real time locating systems are wireless systems
19、with the ability to locate the position of an item anywhere in a defined space (local/campus, wide area/regional, global) at a point in time that is, or is close to, real time. Position is derived by measurements of the physical properties of the radio link. This part of ISO/IEC 24730 specifies the
20、air interface for a system that locates an asset in a controlled area, e.g. warehouse, campus, airport (area of interest is instrumented) - accuracy to 3 m. There are a further two methods of locating an object which are really RFID rather than RTLS: Locating an asset by virtue of the fact that the
21、asset has passed point A at a certain time and has not passed point B. Locating an asset by virtue of providing a homing beacon whereby a person with a handheld can find an asset. The method of location is through identification and location, generally through multi-lateration. The different types a
22、re Time of Flight Ranging Systems, Amplitude Triangulation, Time Difference of Arrival (TDOA), Angle of Arrival. This part of ISO/IEC 24730 defines the air interface protocol needed for the creation of an RTLS system. There are many types of location algorithms that could be used. An example of a lo
23、cation algorithm is given in Annex A. BS ISO/IEC 24730-2:2006 Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:09:35 GMT+00:00 2007, Uncontrolled Copy, (c) BSI blank Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:09:35
24、 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 1 Information technology Real-time locating systems (RTLS) Part 2: 2,4 GHz air interface protocol 1 Scope This part of ISO/IEC 24730 defines a networked location system that provides X-Y coordinates and data telemetry. The system utilizes RTLS transmitters
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