SIST EN 302 217-4-1 V1.2.1:2008
Fixed Radio Systems - Characteristics and requirements for point-to-point equipment and antennas - Part 4-1: System-dependent requirements for antennas
- Abstract
TThe present document summarizes all requirements for single main beam, linear polarization, directional antennas to be adopted in conjunction with Point-to-Point (PP) systems operating in the frequency range 1 GHz to 86 GHz. Single polarization antennas, dual polarization antennas, dual band/single polarized antennas and dual band/dual polarization antennas are considered. Description and limits for parameters relevant to essential requirements under article 3.2 of the R&TTE Directive [1] are given in EN 302 217-4-2 [4]. For other parameters and general information that does not affect the R&TTE Directive [1] "essential requirements" mentioned above, description and limits are set out in the present document. There are a number of different antenna types for various applications, the principles by which they are classified are given in clause 5. The present document does not cover aspects related to test procedures and test conditions, which are covered by the scope of EN 301 126-3-1 [2]. Guidance on the definition of radio parameters relevant to the essential requirements under article 3.2 of the R&TTE Directive [1] for DFRS may be found in TR 101 506 (see bibliography).
- Status
- Published
- Publication Date
- 03-Apr-2008
- Technical Committee
- SPN - Services and Protocols for Networks
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 14-Mar-2008
- Due Date
- 19-May-2008
- Completion Date
- 04-Apr-2008
SIST EN 302 217-4-1 V1.2.1:2008 is the Slovenian adoption of the ETSI standard for fixed radio systems antennas used with point-to-point links. It covers single main beam, linear-polarization directional antennas in the 1 GHz to 86 GHz range, including single-polarization, dual-polarization, dual-band/single-polarized and dual-band/dual-polarization types. The standard classifies antennas by radiation pattern envelope (RPE) and cross-polar discrimination (XPD), and it tells suppliers, purchasers and planners which antenna characteristics are covered here and which are covered in EN 302 217-4-2.
What does SIST EN 302 217-4-1 V1.2.1:2008 specify?
SIST EN 302 217-4-1 V1.2.1:2008 specifies system-dependent antenna characteristics for point-to-point fixed radio systems. It covers the classification of antenna types and the electrical characteristics that are handled in this part, while the R&TTE essential-requirements limits are handled in EN 302 217-4-2 and the test procedures are handled in EN 301 126-3-1.
The document is organized into six clauses and four annexes.
| Annex | What it covers |
|---|---|
| Annex A | Standardized RPEs for class 1 antennas in the 3 GHz to 60 GHz range |
| Annex B | Informative additional information on mechanical characteristics, connectors, return loss, isolation and labelling |
| Annex C | Informative antenna gain and radiation-pattern information, including practical guidance for circular-symmetric antennas |
| Annex D | Bibliography |
Clause 4 divides the operating range into technical sub-ranges. Clause 5 classifies antennas by RPE and XPD. Clause 6 describes the electrical characteristics that matter for these antennas.
What are the key requirements of SIST EN 302 217-4-1 V1.2.1:2008?
SIST EN 302 217-4-1 V1.2.1:2008 is mainly a classification and parameter standard. Its key job is to define how antennas are grouped and which characteristics are described here, so that suppliers and users can select a matching antenna family for a point-to-point system.
- Frequency coverage - Clause 4 covers antennas from 1 GHz to 86 GHz and splits that span into technical ranges. In practice, this tells the user which antenna families fall under the standard and which class limits apply.
- RPE-based classification - Clause 5.1 classifies antennas into RPE classes 1 to 4 using co-polar limits, with sub-classes such as A, B and C when needed. This matters because the antenna’s off-axis pattern influences interference planning and link spacing.
- Class 1 RPE masks - Annex A standardizes class 1 RPEs for 3 GHz to 60 GHz. In practice, this gives a defined mask for lower-demand antenna cases and for uses outside the essential-requirements context.
- XPD categories - Clause 5.2 defines XPD categories 1 to 3, from standard cross-polar discrimination to high discrimination over an extended angular region. This matters for dual-polarized links and for reuse planning.
- Essential-requirements split - Clause 6 states that the RPE, XPD and antenna gain parameters relevant to article 3.2 are addressed in EN 302 217-4-2. Here, the standard keeps the system-dependent description and points the reader to the harmonized limits.
- Gain as a declared parameter - Clause 6.3 treats antenna gain as a declared characteristic, with practical guidance in Annex C. For purchasers, this means gain is part of the system trade-off with transmitter power and antenna size.
- Implementation guidance - Annex B gives practical information on environment, wind loading, antenna stability, input connectors, return loss, inter-port isolation and labelling. This is useful when turning the antenna definition into a purchasable or installable product.
What terms does SIST EN 302 217-4-1 V1.2.1:2008 define?
- Radiation Pattern Envelope (RPE) - The standardized pattern mask used to describe and classify antenna radiation outside the main beam.
- Cross-Polar Discrimination (XPD) - The antenna characteristic used to separate same-polarization and opposite-polarization performance.
- co-polar - The radiation pattern measured in the same polarization as the intended transmission.
- cross-polar - The radiation pattern in the orthogonal polarization, important for dual-polarized antennas.
- RPE class - The class 1 to 4 grouping used to compare antenna pattern limits across frequency ranges.
- XPD category - The class 1 to 3 grouping used to describe cross-polar performance needs.
- Point-to-Point (PP) - The fixed radio link use case for two endpoints that the standard targets.
Who uses SIST EN 302 217-4-1 V1.2.1:2008?
Antenna manufacturers use this standard to classify designs and declare key antenna characteristics. Equipment suppliers and system integrators use it when matching antennas to point-to-point fixed radio links. Purchasers and network planners use it to compare antenna classes, gain and polarization behavior when designing a link. Compliance and testing teams use it together with EN 302 217-4-2 and EN 301 126-3-1 when preparing conformance evidence.
What changed in SIST EN 302 217-4-1 V1.2.1:2008 from the previous edition?
This edition replaces V1.1.3 from December 2004.
Which standards are used with SIST EN 302 217-4-1 V1.2.1:2008?
- Directive 1999/5/EC - Provides the R&TTE Directive context for essential requirements.
- ETSI EN 301 126-3-1 - Gives definitions, general requirements and test procedures for point-to-point antennas.
- ETSI EN 302 217-1 - Provides the shared definitions, symbols and abbreviations used across the series.
- ETSI EN 302 217-4-2 - Gives the harmonized antenna limits for essential requirements under article 3.2.
- IEC 60154-1 and IEC 60154-2 - Cover waveguide flange requirements.
- IEC 60169-1 - Covers RF connector requirements and measuring methods.
What does the SIST EN 302 217-4-1 V1.2.1:2008 document contain?
The standard contains the antenna classification scheme, the frequency-range split, and the electrical-characteristic descriptions that support point-to-point system design. It includes Figures 1 to 3 and Table 1 for RPE class limits, plus Annex A figures for standardized class 1 masks. Annex B adds practical guidance on environmental conditions, wind ratings, stability, connectors, return loss, isolation and labelling. Annex C gives background on antenna gain and typical radiation patterns, including reference formulas from ITU-R Recommendation F.699.
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Frequently Asked Questions
SIST EN 302 217-4-1 V1.2.1:2008 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Fixed Radio Systems - Characteristics and requirements for point-to-point equipment and antennas - Part 4-1: System-dependent requirements for antennas". This standard covers: TThe present document summarizes all requirements for single main beam, linear polarization, directional antennas to be adopted in conjunction with Point-to-Point (PP) systems operating in the frequency range 1 GHz to 86 GHz. Single polarization antennas, dual polarization antennas, dual band/single polarized antennas and dual band/dual polarization antennas are considered. Description and limits for parameters relevant to essential requirements under article 3.2 of the R&TTE Directive [1] are given in EN 302 217-4-2 [4]. For other parameters and general information that does not affect the R&TTE Directive [1] "essential requirements" mentioned above, description and limits are set out in the present document. There are a number of different antenna types for various applications, the principles by which they are classified are given in clause 5. The present document does not cover aspects related to test procedures and test conditions, which are covered by the scope of EN 301 126-3-1 [2]. Guidance on the definition of radio parameters relevant to the essential requirements under article 3.2 of the R&TTE Directive [1] for DFRS may be found in TR 101 506 (see bibliography).
TThe present document summarizes all requirements for single main beam, linear polarization, directional antennas to be adopted in conjunction with Point-to-Point (PP) systems operating in the frequency range 1 GHz to 86 GHz. Single polarization antennas, dual polarization antennas, dual band/single polarized antennas and dual band/dual polarization antennas are considered. Description and limits for parameters relevant to essential requirements under article 3.2 of the R&TTE Directive [1] are given in EN 302 217-4-2 [4]. For other parameters and general information that does not affect the R&TTE Directive [1] "essential requirements" mentioned above, description and limits are set out in the present document. There are a number of different antenna types for various applications, the principles by which they are classified are given in clause 5. The present document does not cover aspects related to test procedures and test conditions, which are covered by the scope of EN 301 126-3-1 [2]. Guidance on the definition of radio parameters relevant to the essential requirements under article 3.2 of the R&TTE Directive [1] for DFRS may be found in TR 101 506 (see bibliography).
SIST EN 302 217-4-1 V1.2.1:2008 is classified under the following ICS (International Classification for Standards) categories: 33.060.30 - Radio relay and fixed satellite communications systems; 33.120.40 - Aerials. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 302 217-4-1 V1.2.1:2008 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Fixed Radio Systems - Characteristics and requirements for point-to-point equipment and antennas - Part 4-1: System-dependent requirements for antennas33.120.40AnteneAerials33.060.30Radiorelejni in fiksni satelitski komunikacijski sistemiRadio relay and fixed satellite communications systemsICS:Ta slovenski standard je istoveten z:EN 302 217-4-1 Version 1.2.1SIST EN 302 217-4-1 V1.2.1:2008en01-maj-2008SIST EN 302 217-4-1 V1.2.1:2008SLOVENSKI
STANDARD
ETSI ETSI EN 302 217-4-1 V1.2.1 (2007-10) 2
Reference REN/TM-04167-4-1 Keywords antenna, DFRS, DRRS, FWA, point-to-point, transmission ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00
Fax: +33 4 93 65 47 16
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Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http://portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http://portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2007. All rights reserved.
DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTM and the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. SIST EN 302 217-4-1 V1.2.1:2008
ETSI ETSI EN 302 217-4-1 V1.2.1 (2007-10) 3
Contents Intellectual Property Rights.4 Foreword.4 Introduction.4 1 Scope.5 2 References.5 3 Definitions, symbols and abbreviations.6 3.1 Definitions.6 3.2 Symbols.6 3.3 Abbreviations.6 4 Frequency bands.6 5 Classification of antennas.6 5.1 Radiation Pattern Envelope (RPE) classes.6 5.2 Cross-Polar Discrimination (XPD) categories.9 6 Electrical characteristics.9 6.1 Radiation Pattern Envelope (RPE).9 6.2 Cross-Polar Discrimination (XPD).10 6.3 Antenna gain.10 Annex A (normative): Standardized Radiation Pattern Envelopes for class 1 antennas in bands 3 GHz to 60 GHz.11 Annex B (informative): Additional information.15 B.1 Mechanical characteristics.15 B.1.1 Environmental characteristics.15 B.1.2 Wind ratings.15 B.1.3 Antenna stability.15 B.2 Antenna input connectors.16 B.3 Return loss at the input ports.16 B.4 Inter-port isolation.16 B.5 Antenna labelling.16 Annex C (informative): Antenna gain and radiation pattern information.17 C.1 Impact of antenna gain on the frequency planning.17 C.2 Gain and typical radiation pattern for circular-symmetric antennas.17 Annex D (informative): Bibliography.19 History.20
ETSI ETSI EN 302 217-4-1 V1.2.1 (2007-10) 4
Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of 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 existence 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 European Standard (Telecommunications series) has been produced by ETSI Technical Committee Transmission and Multiplexing (TM). The present document is part 4-1 of a multi-part deliverable covering the Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas, as identified below: Part 1: "Overview and system-independent common characteristics"; Part 2-1: "System-dependent requirements for digital systems operating in frequency bands where frequency co-ordination is applied"; Part 2-2: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for digital systems operating in frequency bands where frequency co-ordination is applied"; Part 3: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for equipment operating in frequency bands where no frequency co-ordination is applied"; Part 4-1: "System-dependent requirements for antennas"; Part 4-2: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for antennas".
National transposition dates Date of adoption of this EN: 5 October 2007 Date of latest announcement of this EN (doa): 31 January 2008 Date of latest publication of new National Standard or endorsement of this EN (dop/e):
31 July 2008 Date of withdrawal of any conflicting National Standard (dow): 31 July 2008
Introduction The purpose of the present document is to define antenna parameters, which are relevant to Fixed Radio Systems (FRS), including those considered essential for conformity to the R&TTE Directive [1]. Limits are set out in EN 302 217-4-2 [4]. Additional parameters appropriate to system implementation may be subject to agreement between the equipment purchaser and supplier. Further guidance is provided in annex B. SIST EN 302 217-4-1 V1.2.1:2008
ETSI ETSI EN 302 217-4-1 V1.2.1 (2007-10) 5
1 Scope The present document summarizes all requirements for single main beam, linear polarization, directional antennas to be adopted in conjunction with Point-to-Point (PP) systems operating in the frequency range 1 GHz to 86 GHz. Single polarization antennas, dual polarization antennas, dual band/single polarized antennas and dual band/dual polarization antennas are considered. Description and limits for parameters relevant to essential requirements under article 3.2 of the R&TTE Directive [1] are given in EN 302 217-4-2 [4]. For other parameters and general information that does not affect the R&TTE Directive [1] "essential requirements" mentioned above, description and limits are set out in the present document. There are a number of different antenna types for various applications, the principles by which they are classified are given in clause 5. The present document does not cover aspects related to test procedures and test conditions, which are covered by the scope of EN 301 126-3-1 [2]. Guidance on the definition of radio parameters relevant to the essential requirements under article 3.2 of the R&TTE Directive [1] for DFRS may be found in TR 101 506 (see bibliography). 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. • References are either specific (identified by date of publication and/or edition number or version number) or non-specific. • For a specific reference, subsequent revisions do not apply. • For a non-specific reference, the latest version applies. Referenced documents which are not found to be publicly available in the expected location might be found at http://docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. [1] Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity (R&TTE Directive). [2] ETSI EN 301 126-3-1: "Fixed Radio Systems; Conformance testing; Part 3-1: Point-to-Point antennas; Definitions, general requirements and test procedures". [3] ETSI EN 302 217-1: "Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas; Part 1: Overview and system-independent common characteristics". [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 essential requirements of Article 3.2 of R&TTE Directive for antennas". [5] IEC 60154-1: "Flanges for waveguides. Part 1: General requirements". [6] IEC 60154-2: "Flanges for waveguides. Part 2: Relevant specifications for flanges for ordinary rectangular waveguides". [7] IEC 60169-1: "Radio-frequency connectors. Part 1: General requirements and measuring methods". SIST EN 302 217-4-1 V1.2.1:2008
ETSI ETSI EN 302 217-4-1 V1.2.1 (2007-10) 6
3 Definitions, symbols and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in EN 302 217-1 [3] apply. 3.2 Symbols For the purposes of the present document, the symbols given in EN 302 217-1 [3] apply. 3.3 Abbreviations For the purposes of the present document, the abbreviations given in EN 302 217-1 [3] apply. 4 Frequency bands The present document defines the characteristics and requirements of antennas in the frequency range from 1 GHz to 86 GHz. For technical commonalities that range is here divided into sub-ranges as follows: Range 0: 1 GHz to 3 GHz; Range 1: 3 GHz to 14 GHz; Range 2: 14 GHz to 20 GHz; Range 3: 20 GHz to 24 GHz; Range 4: 24 GHz to 30 GHz; Range 5: 30 GHz to 47 GHz; Range 6: 47 GHz to 66 GHz; Range 7: 71 GHz to 86 GHz. 5 Classification of antennas Antenna classification presented in the present document is based on RPE and XPD parameters. 5.1 Radiation Pattern Envelope (RPE) classes
The RPE directional characteristic (co-polar and cross-polar) impacts the interference situation in the network planning and a trade-off between a highly demanding RPE and the cost/size/weight of the antennas, compatible with the constraints given by present and future networks is then advisable. With respect to the Radiation Pattern Envelope (RPE), four classes (RPE classes 1 to 4) have been identified according maximum co-polar limits for any actual RPE mask in significant range of off-axis azimuth angles. The subdivision in those classes is also depending on given frequency ranges of operation according to figures 1 to 3 and table 1. Figures 1 to 3 are intended only for defining subdivision of antennas in directivity classes; actual limits options for declaration of conformance to essential requirements under article 3.2 of the R&TTE Directive [1] are defined only in EN 302 217-2-2 (see bibliography). SIST EN 302 217-4-1 V1.2.1:2008
ETSI ETSI EN 302 217-4-1 V1.2.1 (2007-10) 7
When more than one actual standardized RPE falls within the same class, a sub-class indicative (A, B, C, etc.) will be used according their more demanding RPE limit in angles closer to the intended direction. NOTE 1: Figures 1 to 3 report limits for any actual RPE mask of classes 2, 3 and 4 antennas; class 1 antennas are defined as those which actual RPE mask exceeds class 2 limits. NOTE 2: In frequency range 7 (71 GHz to 86 GHz) no classes are defined. In EN 302 217-4-2 [4], the maximum RPE is defined only in terms of gain relative to the maximum gain in the main beam axis. -25-20-15-10-50510150102030405060708090100110120130140150160170180Azimuth DegreesMaximum Gain (dBi)Class 2Class 3Class 4 Figure 1: Co-polar limits for actual RPE masks of antenna classes
in the range 1 GHz to 3 GHz (see table 1) SIST EN 302 217-4-1 V1.2.1:2008
ETSI ETSI EN 302 217-4-1 V1.2.1 (2007-10) 8
-35-30-25-20-15-10-5051015200102030405060708090100110120130140150160170180Azimuth DegreesMaximum Gain (dBi)Class 4 limitsClass 3 limitsClass 2 limits Figure 2: Co-polar limits for actual RPE masks of antenna classes
in the range 3 GHz to 30 GHz (see table 1) -30-25-20-15-10-5051015200102030405060708090100110120130140150160170180Azimuth DegreesMaximum Gain (dBi)Class 4Class 3Class 2 Figure 3: Co-polar limits for actual RPE masks of antenna classes
in the range 30 GHz to 66 GHz (see table 1) SIST EN 302 217-4-1 V1.2.1:2008
ETSI ETSI EN 302 217-4-1 V1.2.1 (2007-10) 9
Table 1: Corner points of co-polar limits for actual RPE masks (see figures 1, 2 and 3) RPE
Co-polar maximum limits for actual RPEs classes Range 1 GHz to 3 GHz (see note 2) Range 3 GHz to 30 GHz (see note 3) Range 30 GHz to 66 GHz (see note 4) (see note 1) Maximum gain (dBi) Azimuth angle (°) Maximum gain (dBi) Azimuth angle (°) Maximum gain (dBi) A
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