1、 ETSI EN 302 326-3 V1.3.1 (2008-02)Harmonized European Standard (Telecommunications series) Fixed Radio Systems;Multipoint Equipment and Antennas;Part 3: Harmonized EN covering the essential requirementsof article 3.2 of the R Essential, or potentially Essential, IPRs notified to ETSI in respect of
2、ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existe
3、nce of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Harmonized European Standard (Telecommunications series) has been produced by ETSI Technical Committee Access, Terminals,
4、Transmission and Multiplexing (ATTM). The present document has been produced by ETSI in response to a mandate from the European Commission issued under Council Directive 98/34/EC (as amended) laying down a procedure for the provision of information in the field of technical standards and regulations
5、. The present document is intended to become a Harmonized Standard, the reference of which will be published in the Official Journal of the European Communities referencing the Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications
6、 terminal equipment and the mutual recognition of their conformity (“the R Multipoint Equipment and Antennas, as identified below: Part 1: “Overview and Requirements for Digital Multipoint Radio Systems“; Part 2: “Harmonized EN covering the essential requirements of article 3.2 of the R Part 3: “Har
7、monized EN covering the essential requirements of article 3.2 of the R those options include: channel separation alternatives (as provided by the relevant CEPT Recommendation); spectral efficiency class alternatives (different modulation formats provided in radio equipment standards); antenna sector
8、ization alternatives and directivity classes for CS; antenna directivity class alternatives for TS and/or RS, as well as omnidirectional alternative for TS intended for Nomadic Wireless Access (NWA); antenna basic polarization (linear or circular). For Digital Fixed Radio Systems (DFRS), antennas ar
9、e considered “relevant components“ of “radio equipment“ according the definition in article 2(c) of the R 3 GHz to 5,9 GHz; 5,9 GHz to 8,5 GHz; 8,5 GHz to 11 GHz; 24,25 GHz to 30 GHz; 30 GHz to 40,5 GHz. NOTE 1: Attention is drawn to the fact that the specific operating bands are subject of CEPT or
10、national licensing rules. Currently applicable Fixed Service bands and channel plans are described in EN 302 326-1 5, although the applicability of these Fixed Service bands is at the discretion of the national administrations. Therefore, the present document applies only to those bands which are al
11、located to the Fixed Service and/or assigned by national regulations to MP applications on the date on which the EN was published. NOTE 2: Antenna characteristics are not specified at frequencies below 1 GHz and therefore the present document and Harmonized EN 302 326-2 6 can not be used for Declara
12、tion of conformity, according article 3.2 of the R - for informative references. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. For online referenced documents, information sufficient to identify and locat
13、e the source shall be provided. Preferably, the primary source of the referenced document should be cited, in order to ensure traceability. Furthermore, the reference should, as far as possible, remain valid for the expected life of the document. The reference shall include the method of access to t
14、he referenced document and the full network address, with the same punctuation and use of upper case and lower case letters. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. 2.1 Normative references The following
15、 referenced documents are indispensable for the application of the present document. For dated references, only the edition cited applies. For non-specific references, the latest edition of the referenced document (including any amendments) applies. 1 Directive 1999/5/EC of the European Parliament a
16、nd of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity (R Conformance testing; Part 3-2: Point-to-Multipoint antennas - Definitions, general requirements and test procedures“. 3 ETSI EN 302 217-4-1: “Fixed Radio S
17、ystems; Characteristics and requirements for point-to-point equipment and antennas; Part 4-1: System-dependent requirements for antennas“. 4 ETSI EN 302 217-4-2: “Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas; Part 4-2: Harmonized EN covering essenti
18、al requirements of article 3.2 of R Multipoint Equipment and Antennas; Part 1: Overview and Requirements for Digital Multipoint Radio Systems“. 6 ETSI EN 302 326-2: “Fixed Radio Systems; Multipoint Equipment and Antennas; Part 2: Harmonized EN covering the essential requirements of article 3.2 of th
19、e R A guide to the production of candidate Harmonized Standards for application under the R Point-to-Multipoint Antennas; Antennas for Point-to-Multipoint fixed radio systems in the 1 GHz to 3 GHz band“. ETSI ETSI EN 302 326-3 V1.3.1 (2008-02) 129 ETSI EN 301 753: “Fixed Radio Systems; Multipoint eq
20、uipment and antennas; Generic harmonized standard for multipoint digital fixed radio systems and antennas covering the essential requirements under article 3.2 of the Directive 1999/5/EC“. 10 ETSI EN 301 997-2: “Transmission and Multiplexing (TM); Multipoint equipment; Radio equipment for use in Mul
21、timedia Wireless Systems (MWS) in the frequency band 40,5 GHz to 43,5 GHz; Part 2: Harmonized EN covering essential requirements under article 3.2 of the R Multipoint antennas; Circularly polarized antennas for multipoint fixed radio systems in the 1 GHz to 11 GHz band“. 12 ETSI TR 101 506: “Fixed R
22、adio Systems; Generic definitions, terminology and applicability of essential requirements under the article 3.2 of 99/05/EC Directive to Fixed Radio Systems“. 13 ITU-R Recommendation F.1399: “Vocabulary of terms for wireless access“. 14 ETSI EN 301 215-2: “Fixed Radio Systems; Point-to-Multipoint A
23、ntennas; Antennas for point-to-multipoint fixed radio systems in the 11 GHz to 60 GHz band; Part 2: 24 GHz to 30 GHz“. . 15 ETSI EN 301 215-3: “Fixed Radio Systems; Point to Multipoint Antennas; Antennas for point-to-multipoint fixed radio systems in the 11 GHz to 60 GHz band; Part 3: Multipoint Mul
24、timedia Wireless System in 40,5 GHz to 43,5 GHz“. 16 ETSI EN 301 215-4: “Fixed Radio Systems; Point-to-Multipoint Antennas; Antennas for multipoint fixed radio systems in the 11 GHz to 60 GHz band; Part 4: 30 GHz to 40,5 GHz“. 17 ETSI EN 302 085: “Fixed Radio Systems; Point-to-Multipoint Antennas; A
25、ntennas for point-to-multipoint fixed radio systems in the 3 GHz to 11 GHz band“. 3 Definitions, symbols and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: antenna: part of the transmitting or receiving system designed to transmit o
26、r receive electromagnetic radiation azimuth plane: reference plane (see note) from which Radiation Pattern Envelopes are referenced NOTE: This plane is nominally horizontal (see also tilt). The azimuth plane is generally mechanically identified by reference to the technical description for actual an
27、tennas for testing and deployment purposes. Sectorial and omnidirectional antennas might have intrinsic down-tilt of few degrees. In such cases, it would be more theoretically appropriate reference to a “conical“ surface rather than a plane. However, tilt is generally compensated for by the test set
28、 antenna mounting (i.e. by tilting up the antenna test set mounting by an equivalent quantity) and the assessment is done by rotating the antenna rather then the receiving instrument. The test is thus performed in such a way that the measurements may be considered equivalent to those made in a true
29、azimuth plane. Central Station (CS): base station which communicates with Terminal Stations and in some cases Repeater Stations co-polar: used to define parameters (such as gain or radiation pattern) applicable to radiated signals in the wanted plane of polarization (for linear polarization) or want
30、ed direction of rotation (for circular polarization) NOTE: The wanted plane or direction of rotation may be defined when the parameter is being measured by the plane or direction of rotation of the reference antenna. co-polar pattern: diagram representing the co-polar radiation pattern of an antenna
31、 under test NOTE: It is scaled in dBi or, as used in the present document, in dB relative to the measured antenna gain. ETSI ETSI EN 302 326-3 V1.3.1 (2008-02) 13cross-polar: used to define parameters (such as gain or radiation pattern) applicable to radiated signals in the unwanted plane of polariz
32、ation (for linear polarization) or unwanted direction of rotation (for circular polarization) NOTE: The unwanted plane of polarization of a linear polarized antenna is defined as the plane which lies at right angles to the wanted plane. The unwanted direction of rotation of a circular polarized ante
33、nna is defined as that which is opposite to the wanted direction. cross-polar pattern: diagram representing the cross-polar radiation pattern of an antenna under test NOTE: It is scaled in dBi or, as used in the present document, in dB relative to the measured co-polar antenna gain. electrical tilt:
34、 angular shift in elevation of the direction of maximum gain of the antenna by a specific electrical design of the antenna elevation plane: reference plane, orthogonal to the azimuth plane, from which Radiation Pattern Envelopes are referenced NOTE: This plane is nominally vertical. For directional,
35、 single beam sectored and multi-beam sectored antennas, the elevation plane is that which contains the zero degree reference direction (within each beam in multi-beam). For omnidirectional antennas, the elevation plane is not constrained in azimuth direction and is specific only to a given measureme
36、nt. gain: ratio of the radiation intensity, in a given direction, to the radiation intensity that would be obtained if the power accepted by the antenna was radiated isotropically gain ripple: (for omnidirectional antennas) maximum gain variance in the azimuth plane around the actual gain of the ant
37、enna under test 0 RPE test Reference180+180Max Ripple XdB ripplerippleNominal gainMaximum gainMinimum gainMeasured curve within declaredtolerance on nominal gainNOTE: Figure 2 shows the relationship between the X dB gain ripple, measured minimum and maximum gains in the azimuth plane, and the declar
38、ed nominal gain and tolerance of an omnidirectional antenna. Figure 2: Gain ripple for an omnidirectional antenna gain tolerance: tolerance on the nominal gain, as declared by the supplier according to the principles shown in figures 2 and 3 isotropic radiator: hypothetical, lossless antenna having
39、equal radiation intensity in all directions left hand (anticlockwise) polarized wave: elliptically - or circularly - polarized wave, in which the electric field vector, observed in any fixed plane, normal to the direction of propagation, rotates in time in a left-hand or anticlockwise direction maxi
40、mum gain: highest gain (in any direction) of the antenna under test ETSI ETSI EN 302 326-3 V1.3.1 (2008-02) 14mechanical tilt: angular shift in elevation of the direction of maximum gain of the antenna by a change to the physical mounting of the antenna Nomadic Wireless Access (NWA): “Wireless acces
41、s“ application in which the location of the “end-user termination“ may be in different places but it must be stationary while in use NOTE: See ITU-R Recommendation F.1399 13. nominal gain: gain declared by the supplier to which gain assessment is to be referenced: For directional antennas: it is ref
42、erenced to the maximum gain. For sectorial antennas: the supplier shall make a declaration of the gain for the antenna, together with maximum tolerance that shall include the minimum gain within the declared sector. The gain of the antenna, as measured, shall not, therefore, exceed the declared gain
43、 at the declared upper tolerance limit, nor shall it be lower than the nominal gain at the declared lower tolerance limit (see figure 3). For omnidirectional antennas: it refers to the mean value of the gain ripple as shown in figure 2. 0 RPE test referenceMaximum gain within the sectorDeclared sect
44、or width (2)0 dB referencefor RPE assessmentpurpose)Measuredmaximum gainwithindeclaredtoleranceon NominalgainMeasuredminimum gainwithindeclaredtoleranceonNominal gainFigure 3: Gain ripple for a sectored antenna radiation pattern: diagram describing the power flux density in a given plane and at a co
45、nstant distance from the antenna as a function of the angle from the zero degree reference direction Radiation Pattern Envelope (RPE): envelope within which the radiation pattern shall fit radome: cover of dielectric material, intended to protect an antenna from the effects of its physical environme
46、nt reference beam direction (): direction, defined as in the present document, defined by the manufacturer with reference to the mechanical characteristics of the antenna which is used as reference for every beam RPE (applicable only to multi-beam antennas) Repeater Station (RS): radio station provi
47、ding the connection via the air to the Central Station(s), the Terminal Stations and other Repeater Stations NOTE: The Repeater Station may also provide the interfaces to the subscriber equipment if applicable. right hand (clockwise) polarized wave: circularly (or, more generally, elliptically) pola
48、rized wave, in which the electric field vector, observed in any fixed plane, normal to the direction of propagation, rotates in time in a right-hand or clockwise direction ETSI ETSI EN 302 326-3 V1.3.1 (2008-02) 15sector angle: angle of coverage in azimuth of a sectored antenna, defined as 2 in the
49、present document shall be declared by the manufacturer NOTE: The sector angle may depend on the characteristics of the system to which the antenna will be connected and this may therefore result in the need for a different definition of the sector angle. Therefore no specific rule is given for such declaration although in general it is assumed that the sector angle may be close to the half-power (3 dB) beam-width. Terminal Station (TS): remote (out) station, which communicates with a Central Station or Repeater Station
