1、BSI Standards PublicationBS ISO/IEC 24769-61:2015Information Technology Real Time Locating System(RTLS) Device ConformanceT e s t M e t h o d sPart 61: Low rate pulse repetition frequencyUltra Wide Band (UWB) air interfaceBS ISO/IEC 24769-61:2015 BRITISH STANDARDNational forewordThis British Standar
2、d is the UK implementation of ISO/IEC24769-61:2015.The UK participation in its preparation was entrusted to TechnicalCommittee IST/34, Automatic identification and data capturetechniques.A list of organizations represented on this committee can beobtained on request to its secretary.This publication
3、 does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 82934 5ICS 35.040Compliance with a British Standard cannot confer immunity fromlegal
4、obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 October 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO/IEC 24769-61:2015Information Technology Real Time Locating System (RTLS) Device Confor
5、mance Test Methods Part 61: Low rate pulse repetition frequency Ultra Wide Band (UWB) air interfaceTechnologies de linformation Mthodes dessai de conformit du dispositif des systmes de localisation en temps rel (RTLS) Partie 61: Interface dair ultra large bas taux de bande de frquence de rptition di
6、mpulsion (UWB)INTERNATIONAL STANDARDISO/IEC24769-61Reference numberISO/IEC 24769-61:2015(E)First edition2015-10-01 ISO/IEC 2015BS ISO/IEC 24769-61:2015ii ISO/IEC 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO/IEC 2015, Published in SwitzerlandAll rights reserved. Unless otherwise specified
7、, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs m
8、ember body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgISO/IEC 24769-61:2015(E)BS ISO/IEC 24769-61:2015ISO/IEC 24769-61:2015(E)Foreword ivIntroduction v1 Scope .
9、12 Normative references 13 Terms, definitions and abbreviated terms 13.1 Terms and definitions . 13.2 Abbreviated terms . 24 Conformance tests for ISO/IEC 24730-61. 24.1 General . 24.2 Default conditions applicable to the test methods 24.2.1 Test environment 24.2.2 Default tolerance 24.2.3 Noise flo
10、or at test location. 24.2.4 Total measurement uncertainty . 34.3 Tag UWB RF transmission tests 34.3.1 General 34.3.2 Test Objective 34.3.3 Test procedure . 34.3.4 Test measurements and requirements . 44.3.5 Test report . 44.4 Receiver UWB RF tests . 44.4.1 General 44.4.2 Test objective 54.4.3 Test p
11、rocedure . 54.4.4 Test measurements and requirements . 54.4.5 Test report . 5Annex A (normative) RF test measurement site. 6 ISO/IEC 2015 All rights reserved iiiContents PageBS ISO/IEC 24769-61:2015ISO/IEC 24769-61:2015(E)ForewordISO (the International Organization for Standardization) and IEC (the
12、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 Standards through technical committees established by the respective organization to deal with particul
13、ar 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 IEC, also take part in the work. In the field of information technology, ISO and IEC have establis
14、hed a joint technical committee, ISO/IEC JTC 1.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of document should be noted. This d
15、ocument was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility 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 an
16、y or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of us
17、ers and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT), see the following URL: Foreword Supplementa
18、ry information .The committee responsible for this document is ISO/IEC JTC 1, Information technology, Subcommittee SC 31, Automatic identification and data capture techniques.ISO/IEC 24769 consists of the following parts, under the general title Information technology Real-time locating systems (RTL
19、S) device conformance test methods: Part 2: Test methods for air interface communication at 2,4 GHz Part 5: Test methods for chirp spread spectrum (CSS) at 2,4 GHz air interface Part 61: Low rate pulse repetition frequency Ultra Wide Band (UWB) air interface Part 62: High rate pulse repetition frequ
20、ency Ultra Wide Band (UWB) air interfaceiv ISO/IEC 2015 All rights reservedBS ISO/IEC 24769-61:2015ISO/IEC 24769-61:2015(E)IntroductionISO/IEC 24730-61 defines the air interfaces and an application programming interface for Real Time Locating Systems (RTLS) devices used in asset management applicati
21、ons.This International Standard contains all measurements required to be made on a product in order to establish whether it conforms to ISO/IEC 24730-61.Test methods for measuring performance of equipment compliant with ISO/IEC 24730-61 are given in ISO/IEC 24770-61 ISO/IEC 2015 All rights reserved
22、vBS ISO/IEC 24769-61:2015BS ISO/IEC 24769-61:2015Information Technology Real Time Locating System (RTLS) Device Conformance Test Methods Part 61: Low rate pulse repetition frequency Ultra Wide Band (UWB) air interface1 ScopeThis International Standard defines the test methods for determining the con
23、formance of Ultra Wide Band real-time locating system (RTLS) tags with the specifications given in the corresponding parts of ISO/IEC 24730-61, but does not apply to the testing of conformity with regulatory or similar requirements.The test methods require only that the mandatory functions, and any
24、optional functions which are implemented, be verified. This may in appropriate circumstances, be supplemented by further, application specific functionality criteria that are not available to the general case.Unless otherwise specified, the tests in this International Standard apply exclusively to R
25、TLS tags defined in ISO/IEC 24730-61.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the refe
26、renced document (including any amendments) applies.ISO/IEC 19762-1, Information technology Automatic identification and data capture (AIDC) techniques Harmonized vocabulary Part 1: General terms relating to AIDCISO/IEC 19762-3, Information technology Automatic identification and data capture (AIDC)
27、techniques Harmonized vocabulary Part 3: Radio frequency identification (RFID)ISO/IEC 24730-61:2013, Information technology Real time locating systems (RTLS) Part 61: Low rate pulse repetition frequency Ultra Wide Band (UWB) air interface3 Terms, definitions and abbreviated termsFor the purposes of
28、this document, the terms and definitions given in ISO/IEC 19762-1, ISO/IEC 19762-3 and the following apply.3.1 Terms and definitions3.1.1error vector magnitudeEVMdifference between the measured signal and a referenceNote 1 to entry: A reference is a perfectly modulated signal.INTERNATIONAL STANDARD
29、ISO/IEC 24769-61:2015(E) ISO/IEC 2015 All rights reserved 1BS ISO/IEC 24769-61:2015ISO/IEC 24769-61:2015(E)3.2 Abbreviated termsDUT device under testEVM error vector magnitudeLEIP location enhancing information postamblePHY physical layerRBW resolution bandwidthRF radio frequencyRFID radio frequency
30、 identificationRTLS real time locating systemTML tag management layerTOA time-of-arrivalUWB ultra wide bandVBW video bandwidth4 Conformance tests for ISO/IEC 24730-614.1 GeneralThis International Standard specifies a series of tests to determine the conformance of RTLS tags to the ISO/IEC 24730-61 a
31、ir interfaces. The results of these tests shall be compared with the values of the parameters specified in ISO/IEC 24730-61 to determine whether the tag under test conforms.This International Standard also specifies a series of tests to determine the conformance of RTLS RF receivers to the ISO/IEC 2
32、4730-61 air interfaces. The results of these tests shall be compared with the values of the parameters specified in ISO/IEC 24730-61 to determine whether the RF receiver under test conforms.4.2 Default conditions applicable to the test methods4.2.1 Test environmentUnless otherwise specified, testing
33、 shall take place in an environment of temperature 23 C 3 C (73 F 5 F) and of relative humidity 25 % to 75 %.4.2.2 Default toleranceUnless otherwise specified, a default tolerance of 5 % shall be applied to the quantity values given to specify the characteristics of the test equipment and the test m
34、ethod procedures.4.2.3 Noise floor at test locationNoise floor at test location shall be measured with the spectrum analyser in the same conditions as the measurement of the DUT, with a span of 10 MHz: RBW, VBW and antenna.The spectrum analyser shall be configured in acquisition mode for at least 1
35、min.2 ISO/IEC 2015 All rights reservedBS ISO/IEC 24769-61:2015ISO/IEC 24769-61:2015(E)The maximum of the measured amplitude shall be at least 60 dB below the expected value of the amplitude of the measured tag DSSS transmission at 0 dBm power with the tag placed at 1 m from the measurement antenna.S
36、pecial attention has to be given to spurious emissions, e.g. insufficiently shielded computer monitors. The electromagnetic test conditions of the measurements shall be checked by performing the measurements with and without a tag in the field.4.2.4 Total measurement uncertaintyThe test equipment wi
37、ll introduce a level of measurement uncertainty. For example, the frequency accuracy of the local oscillator used in RF down-converter will add uncertainty to the calculated frequency accuracy of the measured RF. The specifications of the test equipment used shall be included in the report.4.3 Tag U
38、WB RF transmission tests4.3.1 GeneralThe DUT shall be an RTLS tag. The measurement equipment shall consist of an anechoic chamber as described in Annex A, a calibrated measuring antenna, a spectrum analyser such as an Agilent E4407B1), and a suitable receiver consisting of an RF amplifier, demodulat
39、or capable of 1 ns resolution, and digital circuitry. Figure 1 shows the required test equipment setup.Figure 1 Setup of equipment for UWB RF test4.3.2 Test ObjectiveThe objective of this test is to verify that the RTLS tag provides the appropriate UWB modulation waveform required for proper system
40、performance.4.3.3 Test procedureThe tag shall be configured to transmit the maximum length UWB blink that it is intended to be sent when deployed. The post processing software shall produce metrics for the following parameters to verify compliance of the tag.1) The Agilent E4407B is an example of a
41、suitable product available commercially. This information is given for the convenience of users of this Technical Report and does not constitute an endorsement by ISO of this product. ISO/IEC 2015 All rights reserved 3BS ISO/IEC 24769-61:2015ISO/IEC 24769-61:2015(E)4.3.4 Test measurements and requir
42、ements4.3.4.1 Spectral maskThe spectral mask shall be in accordance with ISO/IEC 24730-61:2013, 5.4.8.3, for the channel or channels in which the tag operates. The channels are 0, 1, or 2 as described in ISO/IEC 24730-61:2013, 5.3.4.3.4.2 Transmit powerThe transmitted power shall be calculated based
43、 on the power received at the measurement antenna. The calculated power shall be within 2.0 dB of the DUT specified transmit power. Transmit power and spectral density mask shall conform to regulatory constraints for the intended operating region, as discussed in ISO/IEC 24730-61:2013, 5.2.4.3.4.3 C
44、hip rateThe chip rate of the tag shall be in accordance with the mode of tag operation. There are 3 modes, Basic Extended and Long range. Those modes are described in ISO/IEC 24730-61:2013, 5.2. Accuracy of the chip rate shall be compliant with the requirement that less than 11 ns of drift shall occ
45、ur over a 128 symbol period as specified in ISO/IEC 24730-61:2013, 5.4.8.2.4.3.4.4 Message content and structureThe post processing software shall verify the selected message format including PHY, payload, and postamble containing location enhancing information if applicable are in compliance with t
46、he format specified in ISO/IEC 24730-61. The PHY format as well as the optional LEIP are specified in ISO/IEC 24730-61:2013, Clause 5, and it is dependent on the mode selected. The Payload format is specified in ISO/IEC 24730-61:2013, Clause 6, and is independent of the mode selected.4.3.5 Test repo
47、rtThe test report shall contain the tag distance to the measurement antenna and all of the measured data. A brief narrative of the post processing software used to evaluate the captured signal shall also be included as an annex to the data. As mentioned before (in 4.2.4), the report shall also conta
48、in the uncertainties of the measurement equipment.4.4 Receiver UWB RF tests4.4.1 GeneralThe DUT shall be an RTLS RF receiver operating in one or more of the Channels defined in ISO/IEC 24730-61:2013, 5.3. Example measurement equipment could consist of a tag generator capable of producing the UWB sig
49、nal in one or more channels frequencies, and capable of generating the PHY, payload and LEIP signals in all 3 modes of operation as shown in Figure 2.4 ISO/IEC 2015 All rights reservedBS ISO/IEC 24769-61:2015ISO/IEC 24769-61:2015(E)Figure 2 Setup of equipment for test of RTLS RF receiver4.4.2 Test objectiveThe objective of this test is to verify that the RTLS RF receiver (DUT) provides the appropriate UWB signal detection required for proper system performance.4.4.3 Test procedureThe tag generato
