1、raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards Publication Information technology Automatic identification and data capture (AIDC) techniques Harmonized vocabulary Part 4: General terms relating to radio communications BS ISO/IEC 1976
2、2-4:2008National foreword This British Standard is the UK implementation of ISO/IEC 19762-4:2008. The UK participation in its preparation was entrusted to Technical Committee IST/34, Automatic identification and data capture techniques. A list of organizations represented on this committee can be ob
3、tained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2012. Published by BSI Standards Limited 2012. ISBN 978 0 580 56599 1 ICS 35.040 Complianc
4、e with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2012. Amendments issued since publication Amd. No. Date Text affected BRITISH STANDARD BS ISO/IEC 19762-4:200
5、8Reference number ISO/IEC 19762-4:2008(E) ISO/IEC 2008 INTERNATIONAL STANDARD ISO/IEC 19762-4 First edition 2008-06-15 Information technology Automatic identification and data capture (AIDC) techniques Harmonized vocabulary Part 4: General terms relating to radio communications Technologies de linfo
6、rmation Techniques automatiques didentification et de saisie de donnes (AIDC) Vocabulaire harmonis Partie 4: Termes gnraux relatifs aux communications radio BS ISO/IEC 19762-4:2008ISO/IEC 19762-4:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing
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9、ken 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. COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2008 All rights reserved. Unless otherwise specified, no part of
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11、1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org ii ISO/IEC 2008 All rights reserved BS ISO/IEC 19762-4:2008ISO/IEC 19762-4:2008(E) ISO/IEC 2008 All rights reserved iii Contents Page Foreword iv Introduction v 1 Scope 1 2 Classification of entries .
12、 1 3 Terms and definitions. . 1 4 Abbreviations 22 Bibliography . 24 Index 25 BS ISO/IEC 19762-4:2008ISO/IEC 19762-4:2008(E) iv ISO/IEC 2008 All rights reserved Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the speciali
13、zed 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 commi
14、ttees 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. Internationa
15、l Standards are drafted in accordance w i t h t h e r u l e s g i v e n i n t h e I S O / I E C D i r e c t i v e s , P a r t 2 . The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulate
16、d 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 resp
17、onsible for identifying any or all such patent rights. ISO/IEC 19762-4 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 31, Automatic identification and data capture techniques. ISO/IEC 19762 consists of the following parts, under the general title Inf
18、ormation technology Automatic identification and data capture (AIDC) techniques Harmonized vocabulary: Part 1: General terms relating to AIDC Part 2: Optically readable media (ORM) Part 3: Radio frequency identification (RFID) Part 4: General terms relating to radio communications Part 5: Locating s
19、ystems BS ISO/IEC 19762-4:2008ISO/IEC 19762-4:2008(E) ISO/IEC 2008 All rights reserved v Introduction ISO/IEC 19762 is intended to facilitate international communication in information technology, specifically in the area of automatic identification and data capture (AIDC) techniques. It provides a
20、listing of terms and definitions used across multiple AIDC techniques. Abbreviations used within each part of ISO/IEC 19762 and an index of all definitions used within each part of ISO/IEC 19762 are found at the end of the relevant part. BS ISO/IEC 19762-4:2008INTERNATIONAL STANDARD ISO/IEC 19762-4:
21、2008(E) ISO/IEC 2008 All rights reserved 1 Information technology Automatic identification and data capture (AIDC) techniques Harmonized vocabulary Part 4: General terms relating to radio communications 1 Scope This part of ISO/IEC 19762 provides general terms and definitions relating to radio commu
22、nications in the area of automatic identification and data capture techniques. This glossary of terms enables the communication between non-specialist users and specialists in radio communications through a common understanding of basic and advanced concepts. 2 Classification of entries The numberin
23、g system employed within ISO/IEC 19762 is in the format nn.nn.nnn, in which the first two numbers ( n n.nn.nnn) represent the “Top Level” reflecting whether the term is related to 01 = common to all AIDC techniques, 02 = common to all optically readable media, 03 = linear bar code symbols, 04= t w o
24、 - dimensional symbols, 05 = radio frequency identification, 06 = general terms relating to radio, 07 = real time locating systems, and 08 = MIIM. The second two numbers (nn. n n.nnn) represent the “Mid Level” reflecting whether the term is related to 01 = basic concepts/data, 02 = technical feature
25、s, 03 symbology, 04 = hardware, and 05 = applications. The third two or three numbers (nn.nn.n n n) represent the “Fine” reflecting a sequence of terms. The numbering in this part of ISO/IEC 19762 employs“Top Level” numbers (nn.nn.nnn) of 06. 3 Terms and definitions 06.01.01 radio frequency frequenc
26、y of a periodic radio wave or of the corresponding periodical electrical oscillation NOTE This term and its abbreviation may qualify an electrical device for generating or collecting radiated waves. IEC 60050-713:1998, 713-06-02 NOTE Radio Frequency (RF) (in RID). Radio frequency between 30 Hz and 3
27、 GHz. 06.01.02 radio frequency data communication RF/DC system bywhich remote devices communicate with a host computer via a radio link NOTE 1 Hand-held readers c a n s e n d t h e information collected back to a controlling process without the need for fixed wiring for the data cables. NOTE 2 One c
28、ommon use for RF/DC is on forklift trucks. BS ISO/IEC 19762-4:2008ISO/IEC 19762-4:2008(E) 2 ISO/IEC 2008 All rights reserved 06.01.03 electromagnetic field field characterizing the electric and magnetic conditions of a material medium or of vacuum, defined by the following set of four vectorquantiti
29、es: E: electric field (vector) D: electric flux density (vector) H: magnetic field (vector) B: magnetic flux density (vector) NOTE Adapted from IEC 50 (705):1995, 705-01-07. Figure 1 Electromagnetic field 06.01.04 air interface conductor-free medium, usually air, between a transmitter a n d t h e re
30、ceiver t h r o u g h w h i c h c o m m u n i c a t i o n , e.g. data and telemetry, is achieved by means of a modulated inductive or propagated electromagnetic field IEC 60050-702, 702-06-17 06.01.05 electromagnetic spectrum range or continuum of electromagnetic radiation, characterized in terms of
31、frequency or wavelength 06.01.06 electromagnetic wave wave characterized by the propagation of a time-varying electromagnetic field NOTE An electromagnetic wave is produced by variations of electric charges or electric currents. IEC 50 (705):1995, 705-01-09 BS ISO/IEC 19762-4:2008ISO/IEC 19762-4:200
32、8(E) ISO/IEC 2008 All rights reserved 3 06.01.07 electric field constituent of an electromagnetic field w h i c h i s c h a r a c t e r i z e d b y the electric field strength E t o g e t h e r with the electric flux density D NOTE In French, the term “champ lectrique” is also used for the quantity
33、electric field strength. IEC 60050-121, 121-11-67 06.01.08 far field region region of an electromagnetic field of an antenna wherein the predominant components of the field are those which represent a propagation of energy and w h e r e i n t h e a n g u l a r f i e l d d i s t r i b u t i o n i s e
34、 s s e n t i a l l y independent of the distance from the antenna IEC 50 (712):1992, 712-02-02 NOTE 1 In the far field region, field distribution is unaffected by the antenna structure and the wave propagates as a plane wave. cf. radiating near field 06.01.09 magnetic field constituent of an electro
35、magnetic field w h i c h i s c h a r a c t e r i z e d b y t h e m a g n e t i c field strength H t o g e t h e r with the magnetic flux density B 221-01-01 MOD NOTE In French, the term “champ magntique” is also used for the quantity magnetic field strength. IEC 60050-121, 121-11-69 06.01.10 inducti
36、ve coupling process of transferring modulated data or energy from one system component to another, reader to transponder for example, by means of a varying magnetic field NOTE An inductive coupled t a g u s e s a c o i l t o t r a n s f e r d a t a o r p o w e r f r o m t h e m a g n e t i c field o
37、utput by an interrogator. 06.01.11 electromagnetic coupling coupling through a magnetic field NOTE Also referred to as inductive coupling o r a n electric field. 06.01.12 field strength transmitter field intensity (deprecated) magnitude of the electromagnetic field created at a given point bya radio
38、 transmitting system operating at a specified characteristic frequency with specified installation and modulation conditions IEC 50 (705):1995, 705-08-31 BS ISO/IEC 19762-4:2008ISO/IEC 19762-4:2008(E) 4 ISO/IEC 2008 All rights reserved 06.01.13 equivalent isotropically radiated power EIRP product of
39、 the net radiated RF power of a transmitter a n d t h e gain o f a n a n t e n n a s y s t e m i n o n e d i r e c t i o n relative to an isotropic source NOTE 1 The maximum power ga i n o f a t r a n s m i t t i n g antenna in any direction multiplied by th e n e t p o we r a c c e p t e d b y the
40、antenna from the connected transmitter. EXAMPLE 36 dBm EIRP equals 4 W transmitted into an isotropic antenna, or 1 W transmitted into a 6 dB antenna. NOTE 2 Also referred to as Effective Isotropically Radiated Power, Equivalent Isotropical Radiated P o w e r , a n d Effective Isotropical Radiated Po
41、wer. 06.01.14 effective radiated power ERP amount of power actually radiated by a transmitter and antenna combination (the applied power multiplied by the efficiency of the antenna) cf. EIRP NOTE To c o n ve r t b e t we e n E R P a n d EIRP, add 2,15 dB, as a dipole antenna has a gain of 2,15 dBi.
42、For example, to convert the European Power output of 2 W ERP (which is +33 dBm) to EIRP, add 2,15 dB to get +35,15 dBm, which is very close to the FCC limit of 4 W EIRP (+36 dBm). 06.01.15 frequency number of cycles a periodic signal executes in unit time NOTE Usually expressed in hertz (cycles per
43、second) or appropriate weighted units such as kilohertz (kHz), megahertz (MHz) and gigahertz (GHz). 06.01.16 frequency band continuous set of frequencies lying between two specified limiting frequencies NOTE 1 A frequency band is characterized by two values which define its position in the frequency
44、 spectrum, for instance its lower and upper limiting frequencies, as opposed to the bandwidth which is characterized by one value. NOTE 2 Th e n o m en c la t u re o f th e f re q ue n c y a nd wa ve l e n g t h b a nd s us e d i n R F I D are given in Table 1. NOTE 3 Certain frequency ranges are so
45、metimes designated by letter symbols consisting of capital letters which may be accompanied by a small letter as subscript. NOTE 4 Adapted from IEC 60050-713. BS ISO/IEC 19762-4:2008ISO/IEC 19762-4:2008(E) ISO/IEC 2008 All rights reserved 5 Table 1 Nomenclature of frequencyand wavelength bands BAND
46、NUMBER (NOTE 1) ABBRE- VIATION FREQUENCY RANGE (lower limit exclusive, upper limit exclusive) ME T R I C Q U A LI FI E R (NOTE 4) ME T R I C ABBRE- VIATION of the band (NOTE 3) WAVELENGTH RANGE (lower limit exclusive, upper limit exclusive) 1 (NOTE 2) 0,03 to 0,3 Hz gigametric B.Gm 1 to 1 Gm 0 (NOTE
47、 2) 0,3 to 03 Hz hectomegametric B.hMm 100 to 1000 Mm 1 (NOTE 2) 3 to 30 Hz decamegametric B.daMm 10 to 100 Mm 2 (NOTE 2) 30 to 300 Hz megametric B.Mm 1 to 10 Mm 3 ULF 300 to 3000 Hz hectokilometric B.hkm 100 to 1000 km 4 VLF 3 to 30 kHz myriametric B.Mam 10 to 100 km 5 LF 30 to 300 kHz kilometric B
48、.km 1 to 10 km 6 MF 300 to 3000 kHz hectometric B.hmm 100 to 1000 m 7 HF 3 to 30 MH z decametric B.dam 10 to 100 m 8 VHF 30 to 300 MH z metric B.m 1 to 10 m 9 UHF 300 to 3000 MH z decimetric B.dm 100 to 1000 mm 10 SHF 3 to 30 GHz centimetric B.cm 10 to 100 mm NOTE 1 “Band number N” extends from 0,3
49、10 N to 3 10 N Hz NOTE 2 The abbreviation ELF designates the set of bands 1 to 2. NOTE 3 In French, abbreviations with letter O (“Ondes”) are sometimes used (e.g. O.km “Ondes kilom triques”) instead of abbreviations with letter B (“Bande”) indicated in the column “metric abbreviation” of the table. NOTE 4 Me t r i c q u a l i f i e r s a n d a bb r e v i a t i o n s a r e n ot n am e s o r s ym b o l s of u n it , a n d s o may use the combination of prefixe
