SIST EN 300 833 V1.4.1:2003

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Fixed Radio Systems; Point-to-point antennas; Antennas for point-to-point fixed radio systems operating in the frequency band 3 GHz to 60 GHz33.120.40AnteneAerials33.060.30Radiorelejni in fiksni satelitski komunikacijski sistemiRadio relay and fixed satellite communications systemsICS:Ta slovenski standard je istoveten z:EN 300 833 Version 1.4.1SIST EN 300 833 V1.4.1:2003en01-december-2003SIST EN 300 833 V1.4.1:2003SLOVENSKI
STANDARD
ETSI ETSI EN 300 833 V1.4.1 (2002-11) 2
Reference REN/TM-04132 Keywords antenna, DRRS, point-to-point, radio, transmission, DFRS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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© European Telecommunications Standards Institute 2002. 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 300 833 V1.4.1:2003

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Contents Intellectual Property Rights.4 Foreword.4 Introduction.4 1 Scope.5 2 References.5 3 Definitions, symbols and abbreviations.5 3.1 Definitions.5 3.2 Symbols.6 3.3 Abbreviations.6 4 Frequency ranges.7 5 Classification of antennas.7 6 Electrical characteristics.8 6.1 Radiation Pattern Envelope (RPE).8 6.2 Cross-Polar Discrimination (XPD).29 6.3 Antenna gain.30 7 Conformance tests.30 Annex A (informative): Additional information.31 A.1 Mechanical characteristics.31 A.1.1 Environmental characteristics.31 A.1.2 Antenna stability.31 A.2 Antenna input connectors.31 A.3 Return loss at the input ports.32 A.4 Inter-port isolation.32 A.5 Antenna labelling.32 Annex B (informative): Bibliography.33 History.34
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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). Due to recent increasing interest in this frequency range, the standard has been revised three times, leading to publication of versions 1.2.1, 1.3.1 and 1.4.1. A short description of the differences in FR5 for these versions is given below: V1.2.1: 3 classes (1, 2 and 3), the RPE for class 3 is specified for V polarization only. V1.3.1: 4 classes (1, 2, 3 and 4), the RPE for class 3 is the same as 1.2.1 but it is valid for both H and V; class 4 is less stringent than class 3. V1.4.1: 3 classes (1, 2 and 3), class 3 give three specifications (3a, 3b and 3c); as class numbers increase, this indicates improved performance. The RPE for class 3a (equivalent to the class 3 given in versions 1.2.1 and 1.3.1) is now specified for V polarization only. The RPE for class 3b (the copolar horizontal polarization values are equivalent to the class 4 given in version 1.3.1) is now specified for both polarizations, and the crosspolar values have been improved. The RPE for class 3c is specified for both polarizations.
National transposition dates Date of adoption of this EN: 1 November 2002 Date of latest announcement of this EN (doa): 28 February 2003 Date of latest publication of new National Standard or endorsement of this EN (dop/e):
31 August 2003 Date of withdrawal of any conflicting National Standard (dow): 31 August 2003
Introduction The purpose of the present document is to define only those antenna parameters necessary to ensure optimum frequency co-ordination between communication services in the frequency range 3 GHz to 60 GHz. Additional parameters appropriate to system implementation may be subject to agreement between the equipment purchaser and supplier. Further guidance is provided in annex A. SIST EN 300 833 V1.4.1:2003

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1 Scope The present document addresses the minimum requirements for single main beam, linear polarization, directional antennas to be adopted in conjunction with Point-to-Point (P-P) systems operating in the frequency range 3 GHz to 60 GHz. Single polarization antennas, dual polarization antennas, dual band/single polarized antennas and dual band/dual polarization antennas are considered. A regulatory authority may impose tighter requirements than the minimum values given in the present document, in order to maximize the use of the scarce spectrum resources. 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. [1] WRC-2000: "Final Acts of the World Radiocommunication Conference (WRC-2000)". [2] ITU-R Recommendation F.746-6: "Radio-frequency channel arrangements for fixed service systems". [3] IEC 60835-2-2 (1994): "Methods of measurement for equipment used in digital microwave transmission systems - Part 2: Measurements on terrestrial radio-relay systems - Section 2: Antenna". [4] ETSI EN 301 126-1: "Fixed Radio Systems; Conformance testing; Part 1: Point-to-point equipment - Definitions, general requirements and test procedures". 3 Definitions, symbols and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: antenna inter-port isolation: ratio in dB of the power level applied to one port of a multi-port antenna to the power level received in any other port of the same antenna as function of frequency antennas: part of the transmitting or receiving system that is designed to radiate and/or receive electromagnetic waves co-polar pattern: diagram representing the radiation pattern of the antenna under test when the reference antenna is similarly polarized, scaled in dBi or dB relative to the measured antenna gain cross-polar discrimination: difference in dB between the co-polarized main beam gain and the cross-polarized signal measured within a defined region cross-polar pattern: diagram representing the radiation pattern of the antenna under test when the reference antenna is orthogonally polarized, scaled in dBi or dB relative to the measured antenna gain frequency band: frequency band of an antenna is the band of frequencies over which the performance characteristics of the antenna are within specified limits SIST EN 300 833 V1.4.1:2003

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gain: ratio of the radiation intensity, in the main beam axis to the radiation intensity that would be obtained if the power accepted by the antenna was radiated isotropically (value measured in dBi) half power beamwidth: angle, relative to the main beam axis, between the two directions at which the measured co-polar pattern is 3 dB below the value on the main beam axis input port(s): Flange(s) or connector(s) through which access to the antenna system is provided. This is shown in the following figure 1 at points D and D'. TransmitterRF Tx FilterBranchingNetwork*FeederFeederBranchingNetwork*RF Rx FilterReceiverA'AB'BC'CD'DZ'Z NOTE: The points shown above are reference points only; points B, C and D, B', C' and D' may coincide.
Figure 1: System block diagram isotropic radiator: hypothetical, lossless antenna having equal radiation intensity in all directions main beam axis: direction for which the radiation pattern intensity is the maximum main beam: radiation lobe containing the direction of maximum radiation radiation pattern envelope: envelope below which the radiation pattern shall fit radiation pattern: diagram relating power flux density at a constant distance from an antenna to direction relative to the antenna main beam axis radome: cover of dielectric material, intended for protecting an antenna from the effects of the physical environment 3.2 Symbols For the purposes of the present document, the following symbols apply: dB deciBel dBi deciBels relative to an isotropic radiator GHz GigaHertz 3.3 Abbreviations For the purposes of the present document, the following abbreviations apply: P-P Point-to-Point RPE Radiation Pattern Envelope VSWR Voltage Standing Wave Ratio WRC World Radiocommunication Conference XPD Cross-Polar Discrimination SIST EN 300 833 V1.4.1:2003

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4 Frequency ranges The present document applies to sub-bands within 3 GHz to 60 GHz frequency band. Fixed link frequency allocations are in accordance with the WRC-2000 [1] as given in ITU-R Recommendation F.746-6 [2] and other frequency plans. For the purposes of the present document, the overall frequency range 3 GHz to 60 GHz is divided into six frequency ranges as follows: 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 60 GHz. 5 Classification of antennas With respect to antenna gain, two gain categories are applicable: Gain category 1: those antennas which require low gain for co-ordination purposes; Gain category 2:
those antennas which require high gain for co-ordination purposes. With respect to Radiation Pattern Envelope (RPE), four classes have been identified: Class 1: Those antennas required for use in networks where there is a low interference potential. Typical examples of a low interference potential might be: - antennas for use in radio networks where there is a low density deployment, and therefore, a low potential for inter- and intra-system interference, and where high capacity digital radio is proposed; - antennas for use in radio networks where there is a medium potential for inter- and intra-system interference, and where low capacity digital radio is proposed. Class 2: Those antennas required for use in networks where there is a high interference potential. Typical examples of a high interference potential might be: - antennas for use in radio networks where there is a medium potential for inter- and intra-system interference, and where high capacity digital radio is proposed; - antennas for use in radio networks where there is a high density deployment, and therefore, a high potential for inter- and intra-system interference, and where low capacity digital radio is proposed. Class 3: Those antennas required for use in networks where there is a very high interference potential. Typical examples of a very high interference potential might be: - antennas for use in radio networks where there is a high density deployment, and therefore, a high potential for inter- and intra-system interference, and where high capacity digital radio is proposed. Class 4: Those antennas required for use in networks where there is an extremely high interference potential. Typical examples of an extremely high interference potential might be: - antennas for use in radio networks where there is a very high density deployment, and therefore, a very high potential for inter- and intra-system interference, and where high capacity digital radio is proposed. In frequency bands where spectrum congestion is likely to exist, the regulator may insist on the use of higher class antennas. SIST EN 300 833 V1.4.1:2003

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With respect to cross-Polar Discrimination (X
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