ISO/IEC 18046:2006

INTERNATIONAL ISO/IEC
STANDARD 18046
First edition
2006-11-01
Information technology — Automatic
identification and data capture
techniques — Radio frequency
identification device performance test
methods
Technologies de l'information — Techniques d'identification
automatique et de capture des données — Méthodes d'essai de
performance de dispositif d'identification par radiofréquence

Reference number
©
ISO/IEC 2006
PDF disclaimer
This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but
shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat
accepts no liability in this area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation
parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In
the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.

©  ISO/IEC 2006
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO/IEC 2006 – All rights reserved

Contents Page
Foreword. iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions. 1
4 Symbols and abbreviated terms . 2
5 General concepts. 2
5.1 Identification. 2
5.2 Range . 2
5.3 Rate . 3
5.4 Read . 3
5.5 Write . 3
5.6 Reliable . 3
5.7 Conditions . 3
6 Requirements . 4
6.1 Introduction . 4
6.2 General. 4
6.3 Test conditions . 5
6.4 Test parameters . 6
7 Sampling. 10
8 Test methods. 11
8.1 Identification range. 11
8.2 Identification rate. 13
8.3 Read range . 14
8.4 Read rate. 16
8.5 Write range . 18
8.6 Write rate . 20
9 Reporting of test results . 21
Annex A (informative) Test measurement site . 23
A.1 Test sites and general arrangements for measurements involving the use of radiated
fields. 23
A.2 Guidance on the use of radiation test sites .28
A.3 Coupling of signals. 30
A.4 Standard test position. 30
A.5 Test fixture. 31
Annex B (normative) Test extensions and deviations for long range RFID systems . 34
B.1 Test modifications for long range RFID devices . 34
B.2 Test methods. 34
Bibliography . 36

© ISO/IEC 2006 – All rights reserved iii

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 Standards 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 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 is 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 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 any or all such patent rights.
ISO/IEC 18046 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 31, Automatic identification and data capture techniques.
This first edition of ISO/IEC 18046 cancels and replaces ISO/IEC TR 18046:2005, which has been technically
revised.
iv © ISO/IEC 2006 – All rights reserved

Introduction
Radio frequency identification (RFID) technology has broad applicability to the automatic identification and
data capture (AIDC) industry in item management. As a wireless communication technique based on RF
technology the applications cover multiple levels of the industrial, commercial and retail supply chains. These
may include
⎯ freight containers,
⎯ returnable transport items (RTIs),
⎯ transport units,
⎯ product packaging,
⎯ product tagging.
The performance characteristics of devices (tags and interrogation equipment) may vary drastically due to
application factors as well as the particular RF air interface (frequency, modulation, protocol, etc.) being
supported. Of key concern is the matching of the various performance characteristics to the user application.
Additionally, in an open environment users of such technology demand multiple sources for these devices
from technology providers. A key challenge is a method of evaluating the differences between various
technology providers' products in a consistent and equitable manner.
This International Standard provides a framework for meeting the above noted concern and challenges. To
this end, a clear definition of performance as it relates to user application of RFID technology in the supply
chain is provided. Based on such application-based definitions, test methods are defined with attention to the
test parameters that must be defined and controlled for a consistent evaluation of RFID devices.
It should be noted that the test methods defined in this International Standard form the basic framework for
performance evaluation and are not exhaustive. Many applications may require a slightly different set of test
conditions to match the use of RFID to the user requirements. The test methods defined herein may be
modified to accommodate the specifics of the application as specified by the user.
Of particular significance, these tests are defined for RFID devices having one antenna. It is common practice
to have products with both single and multiple antennas to define an RFID transaction zone sufficient for the
application. The defined methods can easily be extended from equipment with a single antenna to apply to
equipment with multiple antennas, in order to evaluate performance under conditions more closely matching
those of a particular application.
© ISO/IEC 2006 – All rights reserved v

INTERNATIONAL STANDARD ISO/IEC 18046:2006(E)

Information technology — Automatic identification and data
capture techniques — Radio frequency identification device
performance test methods
1 Scope
This International Standard defines test methods for performance characteristics of radio frequency
identification (RFID) devices (tags and interrogation equipment) for item management, and specifies the
general requirements and test requirements for tag and interrogator performance which are applicable to the
selection of the devices for an application. It does not apply to testing in relation to regulatory or similar
requirements.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO/IEC 18000-1:2004, Information technology — Radio frequency identification for item management —
Part 1: Reference architecture and definition of parameters to be standardized
ISO/IEC 18000-2:2004, Information technology — Radio frequency identification for item management —
Part 2: Parameters for air interface communications below 135 kHz
ISO/IEC 18000-3:2004, Information technology — Radio frequency identification for item management —
Part 3: Parameters for air interface communications at 13,56 MHz
ISO/IEC 18000-4:2004, Information technology — Radio frequency identification for item management —
Part 4: Parameters for air interface communications at 2,45 GHz
ISO/IEC 18000-6:2004, Information technology — Radio frequency identification for item management —
Part 6: Parameters for air interface communications at 860 MHz to 960 MHz
ISO/IEC 18000-7:2004, Information technology — Radio frequency identification for item management —
Part 7: Parameters for active air interface communications at 433 MHz
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
identification range
range at which an RFID system shall reliably identify desired tags under a variety of conditions
NOTE Adapted from ISO/IEC 19762-3:2005.
© ISO/IEC 2006 – All rights reserved 1

3.2
identification rate
rate at which an RFID system shall reliably identify desired tags under a variety of conditions
NOTE Adapted from ISO/IEC 19762-3:2005.
3.3
read range
range at which an RFID system may reliably read from desired tags under a variety of conditions
NOTE Adapted from ISO/IEC 19762-3:2005.
3.4
read rate
rate at which an RFID system shall reliably read desired tags under a variety of conditions
NOTE Adapted from ISO/IEC 19762-3:2005.
3.5
write range
range at which an RFID system may reliably write to desired tags under a variety of conditions
NOTE Adapted from ISO/IEC 19762-3:2005.
3.6
write rate
rate at which an RFID system shall reliably write desired tags under a variety of conditions
NOTE Adapted from ISO/IEC 19762-3:2005.
4 Symbols and abbreviated terms
EUT equipment under test
5 General concepts
5.1 Identification
An RFID system for item management must perform a sequence of communication processes within an
“open” RF environment to transact the desired data with one or more tags in a potentially large tag population.
This process begins with activation and segregation of the desired tags (small population) within the “open”
larger population. This process concludes with the establishment of a communication link between the RFID
interrogator and the tag allowing transaction (reading and/or writing) of application data. This initial process is
described as “Identification”. Identification specifically refers to the process of tag segregation and isolation.
This will result in a uniquely addressable means to communicate with a tag (tag ID). Application data has not
been accessed.
5.2 Range
An RFID system for item management requires the segregation and transaction of information remotely (i.e.
non-line-of-sight). The physical separation between the interrogator and the tag is commonly referred to as
range. Range specifically refers to the distance (minimum and maximum) between interrogator antenna and
tag(s). For multiple tags, the range will be measured to the geometric centroid of the tag population. Tag
density (tags per unit volume) will be specified.
2 © ISO/IEC 2006 – All rights reserved

5.3 Rate
An RFID system for item management may (and typically will) encounter multiple tags within a data
acquisition session. As many applications require multiple tags to be processed within a fixed amount of time,
a performance parameter dealing with “rate” is appropriate. Rate specifically refers to the quantity of tags per
unit time. This includes impulse and steady state. Tag population will be both static and dynamic. Tag density
(tags per unit volume) will be specified.
5.4 Read
RFID tags contain data. This data represents information about the item associated with the tag whether
directly (item attendant) or indirectly (license plate). One of the significant performance characteristics of RFID
relates to the ability of retrieving this “item data” in support of various business process requirements. This
retrieval process is commonly referred to as “reading” and is separate from the previously described process
of “identification”.
Reading tag information assumes that a communication link has been established between the RFID
interrogator and the tag. As such the collision arbitration (sometimes referred to as anti-collision) process is
not involved. Reading of tag data is a “directed” data transaction with the activated and segregated tag.
Reading specifically refers to the process of tag transaction to retrieve information from identified tag
population. This process will include both single byte and multiple byte transactions.
5.5 Write
As noted previously, RFID tags contain data. This data represents information about the item associated with
the tag whether directly (item attendant) or indirectly (license plate). This information may at times be added
and/or modified through the RFID air interface. Should such a capability be available as part of an RFID
system, a significant performance characteristic would be the ability of transferring this “item data” from the
interrogator into the tag. This process is commonly referred to as “writing” and is the inverse of the previously
described process of “reading”.
Writing tag information assumes that a communication link has been established between the RFID
interrogator and the tag. As such the collision arbitration (sometimes referred to as anti-collision) process is
not involved. Writing of tag data is a “directed” data transaction with the activated and segregated tag. Writing
specifically refers to the process of tag transaction to write information into identified tag population. This
process will include both single byte and multiple byte transactions. Write with verification will be available.
5.6 Reliable
RFID systems may require extensive dialog between the interrogator and the tag to fully complete the desired
transaction with the tag population. It is not uncommon to have dialog errors during wireless communication.
Various mechanisms (e.g. checksum, CRC, retransmission, etc.) may be used to ensure the integrity of the
transactions. A reliable transaction specifically refers to the assurance that a tag and/or tag population will be
identified accurately based on statistical likelihood and a defined confidence level.
5.7 Conditions
RFID systems must perform the required transactions (i.e. identification, reading, or writing) under a variety of
environmental and application conditions. Such conditions specifically refer to the following:
⎯ environmental (temperature, humidity, RF spectrum, physical);
⎯ tag population [quantity, density, motion, orientation, mounting material(s)].
© ISO/IEC 2006 – All rights reserved 3

6 Requirements
6.1 Introduction
The following section defines the requirements by which RFID systems will be evaluated to describe their
performance parameters. It should be noted that there are a number of system and environmental factors
which influence and bound the performance characteristics of an RFID system. As referenced, the RFID
performance parameters relate to “system” characteristics and thus require both an interrogator as well as
tags for their measurement.
6.2 General
An RFID system information transaction volume (range) and/or speed (rate) are defined by many factors. The
relevant factors and their form will vary depending on the RFID technology (i.e. inductive or propagative)
involved. The following represents some of the relevant factors for the respective system component and
environment.
⎯ Interrogator:
⎯ frequency;
⎯ power or field strength;
⎯ antenna directivity (i.e. gain) and polarization or Q factor;
⎯ receiver sensitivity;
⎯ modulation characteristic.
⎯ Tag:
⎯ activation sensitivity (i.e. minimum field strength or power density);
⎯ antenna directivity (i.e. gain) and polarization or Q factor;
⎯ modulation characteristic.
⎯ Tag application surface:
⎯ paper;
⎯ wood;
⎯ glass;
⎯ plastic;
⎯ metal.
⎯ Application environment:
⎯ RF reflective and absorptive surfaces;
⎯ moisture (e.g. humidity, condensation, ice, etc.);
⎯ chemicals;
⎯ radio frequency (RF);
⎯ electrical.
4 © ISO/IEC 2006 – All rights reserved

6.3 Test conditions
Given the realities and complexities of such influencing factors, the following defined test methods are
constrained to test environments and parameter variations which will allow for a consistent RFID performance
characteristic to be measured. Such a measured characteristic may be used for the selection of devices for an
application. The general test conditions for short range systems (i.e., under 10 metres) are defined in
Table 1 — Short range test conditions below.
Table 1 — Short range test conditions
Condition Range Comment
Distance 0 – 10 metres 3-D (x, y, z)
Tag population 1, 10, 20, 50,100
Tag geometry Linear, array, volume
Tag orientation 0, 30, 60, 90 deg, random
3-D (ψ, θ, φ)
Tag volume 0,016, 0,125, 1 m
Tag speed 0, 1, 2, 5, 10 m/s
Tag mounting material Paper, wood, glass, plastic, metal See list below
RF environment Benign, moderate, congested WLAN, machinery, etc.
Data transaction 1, 8, 16, 32 bytes Read and write
Interrogator antenna 0,5, 1, 2, 3 metres Distance above ground
height plane (propagative)
The general test conditions for long range systems (i.e., over 10 metres), such as those systems covered by
ISO/IEC 18000-7, are defined in Table 2 — Long range test conditions below:
Table 2 — Long range test conditions
Condition Range Comment
Distance 10 – 100 metres 3-D (x, y, z)
Tag population 1, 10, 20, 50,100
Tag geometry Linear, array, volume
Tag orientation 0, 30, 60, 90 deg, random
3-D (ψ, θ, φ)
Tag volume 0,016, 0,125, 1 m
Tag speed 0, 1, 2, 5, 10 m/s
Tag mounting material Paper, wood, glass, plastic, metal See list below
RF environment Benign, moderate, congested WLAN, machinery, etc.
Data transaction 1, 8, 16, 32 bytes Read and write
Interrogator antenna 0,5, 1, 2, 3 metres Distance above ground
height plane (propagative)
These test conditions may be modified or extended to represent specific user application requirements. The
test methods defined in this document may be performed with test conditions tailored to the specific
application to best represent performance of RFID devices in such usage.
© ISO/IEC 2006 – All rights reserved 5

Tag mounting material – The list below is a representative list of materials for mounting tag(s) for evaluation.
As materials will vary based on supply, such mounting structures shall record the source and physical
characteristics (i.e. thickness, finish. size, etc.). Mounting structures for tag(s) shall not place metallic
fasteners within 10 cm of tag(s).
⎯ corrugated paper;
⎯ windshield glass;
⎯ particle board;
⎯ plywood;
⎯ plexiglas;
⎯ polypropylene;
⎯ polycarbonate;
⎯ aluminium;
⎯ steel.
The test condition shall utilize a controlled RF environment (i.e. anechoic chamber) when feasible. Use of
Open Air Test Sites (OATS) is permissible to accommodate devices where distance and/or movement
preclude the use of available anechoic chambers. Annex A defines test sites and general arrangements for
measurements involving the use of radiated fields. Annex B defines test extensions and deviations from the
base test methods peculiar to long range (i.e. greater than 10 metres) RFID systems.
6.4 Test parameters
6.4.1 Introduction
The defined test conditions include a variety of test parameters that provide a range of conditions for device
evaluation. While these parameters shall be used as defined in Table 1 above, these parameters may be
varied beyond the defaults listed to accommodate the device evaluation with respect to application
requirements. These parameters are described in this section.
6.4.2 Distance
There are four measurable distance elements comprising the range parameter. These are:
⎯ Minimum distance (z axis) – the minimum distance (metres) between the center of interrogator antenna
and the centroid of the tag population under test. In the case where there are separate transmit and
receive antennae, the maximum of the distances of the two shall be recorded. The z axis is defined to be
the vector perpendicular to the plane of the antenna pointing outward toward the peak of the radiated field.
This axis shall be oriented parallel to the ground plane for test purposes.
⎯ Maximum distance (z axis) – the maximum distance (metres) between the center of the interrogator
antenna and the centroid of the tag population under test. In the case where there are separate transmit
and receive antennae, the minimum of the distances of the two shall be recorded. The z axis is defined to
be the vector perpendicular to the plane of the antenna pointing outward toward the peak of the radiated
field. This axis shall be oriented parallel to the ground plane for test purposes.
⎯ Horizontal distance (x axis) – the maximum distance (metres) across the communication zone for the
centroid of the tag population under test. The x axis is defined to be the horizontal vector perpendicular to
the z axis and parallel to the ground plane.
6 © ISO/IEC 2006 – All rights reserved

⎯ Vertical distance (y axis) – the maximum distance (metres) through the communication zone for the
centroid of the tag population under test. The y axis is defined to be the vertical vector perpendicular to
the z axis and perpendicular to the ground plane.
Figures 1 and 2 depict the general arrangement and relationship of the four distance elements of the range
parameter. Note that the inner shaded region represents the measured effective communication zone from
which the desired measurable performance parameter (i.e. range) is calculated. The outer shaded region
represents the physical volume that a tag population may move through for the measured communication
zone (i.e. inner region).
R(z) max
R(z) min
R(x)
X axis
Antenna
Z axis
Figure 1 — Top down view of communication zone

© ISO/IEC 2006 – All rights reserved 7

R(z) max
R(z) min
R(y)
Y axis
Antenna
Z axis
Figure 2 — Side view of communication zone
6.4.3 Tag population
The tag population shall consist of a group of tags arranged according to the defined geometry of test. The
reference point for range measurements shall be the geometric centroid of the specified geometry.
6.4.4 Tag geometry
The geometric arrangement of the tags in a population under test may be linear (1D), array (2D), or volume
(3D). The spacing of the tags within the defined geometry shall be uniform. Tag spacing shall be measured
as the minimum distance between the geometric centroid of each tag. Figures 3 to 5 represent the three basic
classes of tag geometry.
Figure 3 — Linear tag array
8 © ISO/IEC 2006 – All rights reserved

Figure 4 — 2D tag array
Figure 5 — 3D tag volume
6.4.5 Tag orientation
Tags within a population may have specified orientation (polarization) relative to the interrogator antenna. This
orientation shall be defined relative to the z axis for the reference interrogator antenna. Orientation variation
shall include angular rotations in three dimensions (ψ, θ, and φ). A “right-hand” orthogonal coordinate system
shall be used to reference tag orientation. Random tag orientation may use RF transparent structural
elements to facilitate uniform tag separation (e.g. density) within the tag volume. Polystyrene spheres are an
example where tags may be placed within the structure individually. These “encased” tags may then be
contained in an appropriate tag volume for evaluation.
Random tag orientation populations shall be “randomised” (i.e. redistributed) between test samples to ensure
effective assessment of random sampling of a tag population with random orientation as it would interact with
the communication zone.
© ISO/IEC 2006 – All rights reserved 9

6.4.6 Tag volume
Tag volume is defined for tag populations described as having “volume” geometry. For such tag population
arrangements the volume shall be cubic (having equal dimensions in all three dimensions) bounding the tag
population. The tag population shall be uniformly distributed within this bounding geometry. Structural material
for establishing the bounding volume shall be transparent to the RF frequency of the interrogator and its
nature shall be recorded as reference data.
6.4.7 Tag speed
Tag populations may be specified to be in motion relative to the interrogator antenna. Under such definition,
moving either the interrogator or the tag population is allowed to provide flexibility for test environmental
constraints. The movement of the tag population relative to the interrogator antenna shall be by a conveyance
that minimizes the perturbation of the RF environment. This method of movement shall be recorded as
reference data.
Application specific conveyances and transport mechanisms (i.e. conveyors, forklifts, etc.) may be used as
specified for movement of a tag population beyond the default (minimised RF perturbation) method. Such
evaluations would be application specific and the manner of conveyance shall be recorded as part of the
reference data.
6.4.8 Tag mounting material
Tag populations may be specified to be mounted on a structural material for evaluation. Such material shall be
flat and extend at least 15 cm beyond the outer boundary of the tag population. Tag population attachment
shall be by means which minimize RF perturbation to the population under test. The tag population
attachment method and material shall be recorded as reference data.
6.4.9 RF environment
The RF environment shall be documented as part of the collected test data. Such documentation relates to
the conditions of test (i.e. anechoic chamber, Open Air Test Sites, etc.).
6.4.10 Data transaction
Reading and writing of information to tags represent the core element of data transactions. Read and Write
performance parameters shall be evaluated with various amounts of data as depicted in Table 1. When
multiple tags are being evaluated (i.e. tag populations greater than one), the same amount of data shall be
transacted with each tag in the population. The data transferred during such transactions shall be varied to
ensure the transaction performance is not influenced by the data content. When multiple tags are being
evaluated, the data content shall be varied among the tags in the population to ensure the transaction
performance is not influenced by the data content. Positive verification that accurate data transfer has taken
place shall be performed (i.e. Read after Write) to ensure successful data transactions.
Data quantity and content may be specified to correspond to a specific application requirement for which the
device is being evaluated. Data transaction definition shall be recorded as reference data.
7 Sampling
Rectilinear sampling shall be used as the basis for test. Rectilinear sampling means that the tag population is
translated either perpendicular or parallel to the z-axis.
10 © ISO/IEC 2006 – All rights reserved

8 Test methods
8.1 Identification range
8.1.1 Individual tag
8.1.1.1 Purpose
This test shall evaluate the Identification Range of an RFID system (tag and interrogator). The range
parameter shall consist of four computed measured values representing the geometric extent of the
identification zone (volume) as described in clause 6.4.2 using a single tag. These measured values shall be
⎯ R(x) extent,
⎯ R(y) extent,
⎯ R(z) min,
⎯ R(z) max.
Multiple samples of each measurable shall be collected for each test condition under evaluation. A minimum
of 10 samples shall be collected.
8.1.1.2 Test procedure
The tag shall be moved (relative to the interrogator) in a geometric sampling volume stopping at each sample
point. The sample volume shall be of sufficient size to fully encompass the interrogation volume. The sampling
volume shall have a sampling resolution of 10 cm or less.
The appropriate activation signal (based on the RFID air interface protocol defined in the relevant part of
ISO/IEC 18000) shall be initiated at each sample point. Successful identifications shall be recorded. A
successful identification shall be defined as the proper unique communication being established between the
interrogator and the tag as defined in the RFID air interface protocol. All error processing (i.e. retries, timeouts,
etc.) shall be set to the defaults defined in the RFID air interface protocol. Where such defaults are undefined,
the error processing parameters shall be set as recommended by the manufacturer and recorded.
The test shall be repeated (as required) for a moving tag. For a moving tag the initiation of the activation
signal shall be set to correspond to the sample points. Successful identifications shall be recorded.
8.1.1.3 Computation of results
The set of measurable data collected shall be computed to indicate identification volume described by the
defined measured values above. The Identification Range shall be evaluated based on a 100% success
criterion. If the identification zone contains regions (voids) where less than a 100% success identification
criterion was measured, the quantity and size of these regions shall be recorded.
It is recommended that multiple sets of tags (when the variable is the tag) and interrogators (when the variable
is the interrogator) be evaluated when possible due to variations in individual products. When such product
sampling is available, the reported Identification range parameter shall represent the limiting
(minimum/maximum) value measured through the series of tests.
© ISO/IEC 2006 – All rights reserved 11

8.1.2 Multiple tags
8.1.2.1 Purpose
This test shall evaluate the Identification Range of an RFID system (tag and interrogator). The range
parameter shall consist of four computed measured values representing the geometric extent of the
identification zone (volume) as described in clause 6.4.2 using multiple tags. These measured values shall be
⎯ R(x) extent,
⎯ R(y) extent,
⎯ R(z) min,
⎯ R(z) max.
Multiple samples of each measurable shall be collected for each test condition under evaluation. A minimum
of 10 samples shall be collected.
8.1.2.2 Test procedure
The tag population (i.e. linear, 2D, and/or 3D) shall be moved (relative to the interrogator) in a geometric
sampling volume stopping at each sample point. The sample volume shall be of sufficient size to encompass
the interrogation volume fully. The sampling volume shall have a sampling resolution of 10 cm or smaller.
The appropriate activation signal (based on the RFID air interface protocol defined in the relevant part of
ISO/IEC 18000) shall be initiated at each sample point. Successful identifications shall be recorded. A
successful identification shall be defined as the proper unique communication being established between the
interrogator and the all tags as defined in the RFID air interface protocol. All error processing (i.e. retries,
timeouts, etc.) shall be set to the defaults defined in the RFID air interface protocol. Where such defaults are
undefined, the error processing parameters shall be set as recommended by the manufacturer and recorded.
The test shall be repeated (as required) for a moving tag population. For a moving tag population the initiation
of the activation signal shall be set to correspond to the sample points. Successful identifications shall be
recorded.
8.1.2.3 Computation of results
The set of measurable data collected shall be computed to indicate identification volume described by the
defined measured values above. The Identification Range shall be evaluated based on a 100 % success
criterion. If the identification zone contains regions (voids) where less than a 100% success identification
criterion was measured, the quantity and size of these regions shall be recorded.
It is recommended that multiple sets of tags (when the variable is the tag) and interrogators (when the variable
is the interrogator) be evaluated when possible due to variations in individual products. When such product
sampling is available, the reported Identification range parameter shall represent the limiting
(minimum/maximum) value measured through the series of tests.
12 © ISO/IEC 2006 – All rights reserved

8.2 Identification rate
8.2.1 Individual tag
8.2.1.1 Purpose
This test shall evaluate the Identification Rate of an RFID system (tag and interrogator). The rate parameter
shall consist of a computed measurable representing the tag segregation (anti-collision) performance of the
system as described in clause 3.2 using a single tag. This measurable shall be stated in terms of “tags per
second”.
Multiple samples of each measurable shall be collected for each test condition under evaluation. A minimum
of 10 samples shall be collected.
8.2.1.2 Test procedure
The tag shall be placed in a responsive part of the identification zone as established by the Identification
Range test above. Multiple sample points within the volume shall be used. A minimum of 10 sample points
shall be used.
The appropriate activation signal (based on the RFID air interface protocol defined in the relevant part of
ISO/IEC 18000) shall be initiated. The time from initiation of the activation signal to the completion of the
identification process shall be recorded. The completion of the identification process shall include the time
required to report the identification to application source. The application source may be a human operator, a
secured buffer, or a “host” computer where application decisions are handled.
All error processing (i.e. retries, timeouts, etc.) shall be set to the defaults defined in the RFID air interface
protocol. Where such defaults are undefined, the error processing parameters shall be set as recommended
by the manufacturer and recorded.
The test shall be repeated (as required) for a moving tag. For a moving tag the initiation of the activation
signal shall be set to correspond to the sample points. Successful identifications shall be recorded.
8.2.1.3 Computation of results
The set of measurable data collected shall be computed to indicate identification rate described by the defined
measurable above. The Identification Rate shall be evaluated and reported as the average (arithmetic mean)
of the measured values.
It is recommended that multiple sets of tags (when the variable is the tag) and interrogators (when the variable
is the interrogator) be evaluated when possible due to variations in individual products. When such product
sampling is available, the reported Identification rate parameter shall represent the limiting
(minimum/maximum) value measured through the series of tests.
8.2.2 Multiple tags
8.2.2.1 Purpose
This test shall evaluate the Identification Rate of an RFID system (tag and interrogator). The rate parameter
shall consist of a computed measurable representing the tag segregation (anti-collision) performance of the
system as described in clause 3.2 using multiple tags. This measurable shall be in terms of “tags per second”.
Multiple samples of each measurable shall be collected for each test condition under evaluation. A minimum
of 10 samples shall be collected.
© ISO/IEC 2006 – All rights reserved 13

8.2.2.2 Test procedure
The tag population (i.e. linear 2D, and/or 3D) shall be placed in responsive part of the identification zone as
established by the Identification Range test above. Multiple sample points within the volume shall be used. A
minimum of 10 sample points shall be used.
The appropriate activation signal (based on the RFID air interface protocol defined in the relevant part of
ISO/IEC 18000) shall be initiated. The time from initiation of the activation signal to the completion of the
identification process shall be recorded. The completion of the identification process shall include the time
required to report the identification of all tags to application source. The application source may be a human
operator, a secured buffer, or a “host” computer where application decisions are handled.
All error processing (i.e. retries, timeouts, etc.) shall be set to the defaults defined in the RFID air interface
protocol. Where such defaults are undefined, the error processing parameters shall be set as recommended
by the manufacturer and recorded.
The test shall be repeated (as required) for a moving tag population. For a moving tag population the initiation
of the activation signal shall be set to correspond to the sample points. Successful identifications shall be
recorded.
8.2.2.3 Computation of results
The set of measurable data collected shall be computed to indicate identification rate described by the defined
measurable above. The Identification Rate shall be evaluated and reported as the average (arithmetic mean)
of the measured values.
It is recommended that multiple sets of tags (when the variable is the tag) and interrogators (when the variable
is the interrogator) be evaluated when possible due to variations in individual products. When such product
sampling is available, the reported Identification rate parameter shall represent the limiting
(minimum/maximum) value measured through the series of tests.
8.3 Read range
8.3.1 Individual tag
8.3.1.1 Purpose
This test shall evaluate the Read Range of an RFID system (tag and interrogator). The range parameter shall
consist of six computed measured values representing the geometric extent of the read zone (volume) as
described in clause 6.4.2 using a single tag. These measured values shall be
⎯ R(x) extent,
⎯ R(y) extent,
⎯ R(z) min,
⎯ R(z) max.
Multiple samples of each measurable shall be collected for each test condition under evaluation. A minimum
of 10 samples shall be collected.
8.3.1.2 Test procedure
The tag shall be moved (relative to the interrogator) in a geometric sampling volume stopping at each sample
point. The sample volume shall be of sufficient size to fully encomp
...