SIST EN 303 084 V1.1.1:2013

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Ground Based Augmentation System (GBAS) VHF ground-air Data Broadcast (VDB) - Technical characteristics and methods of measurement for ground-based equipment - Harmonized EN covering the essential requirements of article 3.2 of the R&TTE Directive49.090On-board equipment and instruments33.060.01Radijske komunikacije na splošnoRadiocommunications in generalICS:Ta slovenski standard je istoveten z:EN 303 084 Version 1.1.1SIST EN 303 084 V1.1.1:2013en01-oktober-2013SIST EN 303 084 V1.1.1:2013SLOVENSKI
STANDARD



SIST EN 303 084 V1.1.1:2013



ETSI EN 303 084 V1.1.1 (2013-05) Ground Based Augmentation System (GBAS) VHF ground-air Data Broadcast (VDB); Technical characteristics and methods of measurement for ground-based equipment; Harmonized EN covering the essential requirements of article 3.2 of the R&TTE Directive
Harmonized European Standard SIST EN 303 084 V1.1.1:2013



ETSI ETSI EN 303 084 V1.1.1 (2013-05) 2
Reference DEN/ERM-JTFEA-015 Keywords aeronautical, AM, DSB, radio, testing, VHF ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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ETSI ETSI EN 303 084 V1.1.1 (2013-05) 3 Contents Foreword . 5 Introduction . 5 1 Scope . 6 2 References . 6 2.1 Normative references . 6 2.2 Informative references . 6 3 Definitions and abbreviations . 7 3.1 Definitions . 7 3.2 Abbreviations . 8 4 Technical requirements specifications . 8 4.1 Environmental profile . 8 4.2 Conformance requirements . 9 4.2.1 Transmitter requirements . 9 4.2.1.1 Frequency error . 9 4.2.1.1.1 Requirement . 9 4.2.1.1.2 Conformance . 9 4.2.1.2 Transmitter power . 9 4.2.1.2.1 Requirement . 9 4.2.1.2.2 Conformance . 10 4.2.1.3 Adjacent channel power . 10 4.2.1.3.1 Requirement . 10 4.2.1.3.2 Conformance . 11 4.2.1.4 Spurious emissions . 12 4.2.1.4.1 Conducted emissions . 12 4.2.1.4.2 Radiated emissions - cabinet radiation . 14 4.2.1.5 Intermodulation attenuation . 14 4.2.1.5.1 Requirements . 14 4.2.1.5.2 Conformance . 14 4.2.1.6 Transient behaviour of the transmitter . 14 4.2.1.6.1 RF power rise time . 14 4.2.1.6.2 RF power release time . 15 4.2.1.7 Modulation Accuracy - Symbol constellation error . 16 4.2.1.7.1 Requirement . 16 4.2.1.7.2 Conformance . 16 4.2.1.8 Emissions in unassigned time slots . 17 4.2.1.8.1 Requirement . 17 4.2.1.8.2 Conformance . 17 4.2.2 Monitor requirements . 17 4.2.2.1 Sensitivity . 17 4.2.2.1.1 Requirements . 17 4.2.2.1.2 Conformance . 18 4.2.2.2 Symbol rate capture range . 18 4.2.2.2.1 Requirements . 18 4.2.2.2.2 Conformance . 18 4.2.2.3 Co-channel rejection . 19 4.2.2.3.1 Requirements . 19 4.2.2.3.2 Conformance . 19 4.2.2.4 Adjacent Channel selectivity . 20 4.2.2.4.1 Requirements . 20 4.2.2.4.2 Conformance . 21 4.2.2.5 Spurious response rejection . 22 4.2.2.5.1 Requirements . 22 4.2.2.5.2 Conformance . 23 4.2.2.6 Spurious emissions . 23 4.2.2.6.1 Conducted spurious emission . 23 SIST EN 303 084 V1.1.1:2013



ETSI ETSI EN 303 084 V1.1.1 (2013-05) 4 4.2.2.6.2 Cabinet radiation . 24 4.2.2.7 Out-of-band Intermodulation . 24 4.2.2.7.1 Requirements . 24 4.2.2.7.2 Conformance . 25 5 General test conditions for compliance with technical requirements . 26 5.1 Test channels . 26 5.2 BER test requirements . 26 5.2.1 Uncorrected BER mode . 26 5.2.2 VHF signal generators . 26 5.2.3 External BER test equipment . 26 5.2.4 Interfering (or undesired) source . 27 5.3 GBAS transmission . 27 5.3.1 GBAS VDB transmitter requirements . 27 5.3.2 GBAS Standard VDB test message . 27 5.4 General conditions of measurement . 28 5.4.1 Receiver test signal arrangement . 28 5.4.2 Performance check . 28 5.5 Environmental conditions for testing . 28 5.5.1 Normal and extreme test conditions. 28 5.5.1.1 Normal temperature and humidity . 28 5.5.1.2 Normal power sources . 28 5.5.1.2.1 Mains voltage and frequency . 28 5.5.1.2.2 Other power sources . 29 5.5.2 Extreme test conditions . 29 5.5.2.1 Extreme temperatures . 29 5.5.2.2 Procedure for tests at extreme temperatures . 29 5.5.2.2.1 General . 29 5.5.2.2.2 High temperature . 29 5.5.2.2.3 Low temperature . 29 5.5.2.3 Extreme values of test power sources . 30 5.5.2.4 Other power sources . 30 5.5.2.5 Performance check . 30 5.5.3 Test power source . 30 5.6 Interpretation of the measurement results . 30 Annex A (normative): HS Requirements and conformance Test specifications Table (HS-RTT) . 32 Annex B (informative): Bibliography . 35 History . 36
SIST EN 303 084 V1.1.1:2013



ETSI ETSI EN 303 084 V1.1.1 (2013-05) 5 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://ipr.etsi.org). 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 Harmonized European Standard (EN) has been produced by ETSI Technical Committee Electromagnetic compatibility and Radio spectrum Matters (ERM). The present document has been produced by ETSI in response to a mandate from the European Commission issued under Directive 98/34/EC [i.4] as amended by Directive 98/48/EC [i.6]. The title and reference to the present document are intended to be included in the publication in the Official Journal of the European Union of titles and references of Harmonized Standard under the Directive 1999/5/EC [i.1]. See article 5.1 of Directive 1999/5/EC [i.1] for information on presumption of conformity and Harmonized Standards or parts thereof the references of which have been published in the Official Journal of the European Union. The requirements relevant to Directive 1999/5/EC [i.1] are summarized in annex A.
National transposition dates Date of adoption of this EN: 21 May 2013 Date of latest announcement of this EN (doa): 31 August 2013 Date of latest publication of new National Standard or endorsement of this EN (dop/e):
28 February 2014 Date of withdrawal of any conflicting National Standard (dow): 28 February 2015
Introduction The present document states the technical specifications for ground-based equipment implementing Very High Frequency (VHF) Data Broadcast (VDB) air interface, operating in the VHF band (108,000 MHz to 117,975 MHz) in increments of 25 kHz. NOTE: In ICAO Annex 10, Vol. 1 clause 7.2.3 in attachment D it is stated: ".Until compatibility criteria are developed for GBAS VDB and ILS, VDB cannot be assigned to channels below 112.025 MHz." The present document is part of a set of standards developed by ETSI and is designed to fit in a modular structure to cover all radio and telecommunications terminal equipment within the scope of the R&TTE Directive [i.1]. The modular structure is shown in EG 201 399 [i.3]. The present document may be used to produce tests for the assessment of the performance of the equipment. The performance of the equipment submitted for type testing should be representative of the performance of the corresponding production model. SIST EN 303 084 V1.1.1:2013



ETSI ETSI EN 303 084 V1.1.1 (2013-05) 6 1 Scope The present document applies to VDB ground-air digital broadcast using Differential Eight Phase Shift Keying (D8PSK) of Ground-Based Augmentation System GBAS, intended for channel increments of 25 kHz. The VDB system provides data broadcast from ground based to aircraft systems, operating in the VHF band (108,000 MHz to 117,975 MHz). The scope of the present document is limited to ground based stations. The present document is intended to cover the provisions of Directive 1999/5/EC [i.1] (R&TTE Directive), article 3.2, which states that ". radio equipment shall be so constructed that it effectively uses the spectrum allocated to terrestrial/space radio communications and orbital resources so as to avoid harmful interference". In addition to the present document, other ENs that specify technical requirements in respect of essential requirements under other parts of article 3 of the R&TTE Directive [i.1] as well as essential requirements under the Single European Sky Interoperability Regulation [i.2] (as amended) and related implementing rules may apply to equipment within the scope of the present document. The scope of the present document is restricted to the civil use of GBAS with horizontally polarized signals (GBAS/H). 2 References References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) 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. 2.1 Normative references The following referenced documents are necessary for the application of the present document. [1] ETSI EN 300 113-1 (V1.7.1) (2011): "Electromagnetic compatibility and Radio spectrum Matters (ERM); Land mobile service; Radio equipment intended for the transmission of data (and/or speech) using constant or non-constant envelope modulation and having an antenna connector; Part 1: Technical characteristics and methods of measurement". [2] ICAO Annex 10 to the Convention on International Civil Aviation: "Aeronautical Telecommunications", Vol. I, including Amendments up to 86. [3] ETSI TR 100 028 (all parts) (V1.4.1) (2001): "Electromagnetic compatibility and Radio spectrum Matters (ERM); Uncertainties in the measurement of mobile radio equipment characteristics". 2.2 Informative references The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. [i.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). NOTE: As amended by Regulation (EC) 1882/2003 of the European Parliament and of the Council of 29 March 2003. SIST EN 303 084 V1.1.1:2013



ETSI ETSI EN 303 084 V1.1.1 (2013-05) 7 [i.2] Regulation (EC) 552/2004 of the European Parliament and Council of 10 March 2004 on the interoperability of the European Air Traffic Management network (the interoperability Regulation). NOTE: OJEU L96, 31.03.2004, p. 26-42 as amended by Regulation (EC) 1070/2009 of the European Parliament and of the Council of 21 October 2009, OJEU L300/34, 14/11/2009. [i.3] ETSI EG 201 399: "Electromagnetic compatibility and Radio spectrum Matters (ERM); A guide to the production of Harmonized Standards for application under the R&TTE Directive". [i.4] Directive 98/34/EC of the European Parliament and of the Council of 22 June 1998 laying down a procedure for the provision of information in the field of technical standards and regulations and of rules on Information Society services. [i.5] EUROCAE ED-114: "Minimum operational performance specification for global navigation satellite ground based augmentation system equipment to support category I operations". [i.6] Directive 98/48/EC of the European Parliament and of the Council of 20 July 1998 amending Directive 98/34/EC laying down a procedure for the provision of information in the field of technical standards and regulations. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in the R&TTE Directive [i.1] and the following apply: adjacent channel power: amount of the modulated RF signal power transmitted outside of the assigned channel NOTE: Adjacent channel power includes discrete spurious, signal sidebands and noise density (including phase noise) at the transmitter output. adjacent channel rejection: receiver's ability to demodulate the desired signal and meet the uncorrected BER requirement in the presence of an interfering signal in an adjacent channel NOTE: The ratio (in dB) between the adjacent interfering signal level and the desired signal level necessary to achieve the specified minimum uncorrected BER, is the Adjacent Channel Rejection (ACR) ratio. Aeronautical Mobile Route Service (AM(R)S): mobile service between ground based stations and airborne stations, in which survival craft stations may participate average transmitter output power: average power supplied to the antenna transmission line by a transmitter during an interval of time sufficiently long, compared with the lowest frequency encountered in the modulation, taken under normal operating conditions Bit Error Rate (BER): ratio between the number of erroneous bits received and the total number of bits received NOTE: The uncorrected BER represents the BER without the benefit of Forward Error Correction (FEC). Co-Channel Interference (CCI): capability of a receiver to demodulate the desired signal and achieve the minimum specified BER performance in the presence of an unwanted signal at the same assigned channel NOTE: The ratio (in dB) between the wanted signal level and the unwanted signal level is the co-channel interference ratio. conducted measurements: measurements which are made using a direct RF connection to the equipment under test data rate: with a nominal data rate of 31 500 bits/s, the VDB symbol rate is expected to be 10 500 symbols/s environmental profile: range of environmental conditions under which equipment within the scope of the present document is required to comply with the provisions of the present document SIST EN 303 084 V1.1.1:2013



ETSI ETSI EN 303 084 V1.1.1 (2013-05) 8 ground based station: aeronautical station equipment, in the Aeronautical Mobile Route Service (AM(R)S), for use with an external antenna and intended for use at a fixed location radiated measurements: measurements which involve the measurement of a radiated field spurious emissions: conducted RF emissions on a frequency or frequencies which are outside the necessary bandwidth and the level of which may be reduced without affecting the corresponding transmission of information NOTE: Spurious emissions include parasitic emissions, intermodulation products and frequency conversion products. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: AC Alternating Current ACR Adjacent Channel Rejection AGC Automatic Gain Control AM Amplitude Modulation AM(R)S Aeronautical Mobile (Route) Service BER Bit Error Rate CCI Co-Channel Interference CRC Cyclic Redundance Check CW Continuous Wave D8PSK Differential Eight Phase Shift Keying DSB Double Side Band EVM Error Vector Magnitude FC Frequency Counter FEC Forward Error Correction FM Frequency Modulation GBAS Ground Based Augmentation System ILS Instrument Landing System MFR Message Failure Rate PPS Pulse Per Second R&TTE Radio and Telecommunications Terminal Equipment (Directive 1999/5/EC [i.1]) RBW Resolution BandWidth RF Radio Frequency RMS Root Mean Square SA Spectrum Analyser SWT Sweep Time TUT Transmitter Under Test VBW Video BandWidth VDB VHF Data Broadcast VHF Very High Frequency VSA Vector Signal Analyser 4 Technical requirements specifications 4.1 Environmental profile The technical requirements of the present document apply under the environmental profile for operation of the equipment, which shall be declared by the supplier. The equipment shall comply with all the technical requirements of the present document at all times when operating within the boundary limits of the declared operational environmental profile. SIST EN 303 084 V1.1.1:2013



ETSI ETSI EN 303 084 V1.1.1 (2013-05) 9 4.2 Conformance requirements 4.2.1 Transmitter requirements 4.2.1.1 Frequency error 4.2.1.1.1 Requirement The frequency of the RF carrier shall be within ±2 ppm of the selected frequency. To facilitate the measurement of the RF carrier frequency, the transmitter should provide a CW mode. 4.2.1.1.2 Conformance The following equipment is required: • Frequency counter (FC) or spectrum analyser (SA), which is suitable for the measurement of the requirements defined in clause 4.2.1.1.1. • Suitable attenuator to assure best measurement operation of the FC or the SA. The measurement procedure consists in the following steps: Step 1: Connect the equipment as shown in Figure 1. Step 2: Tune the transmitter under test (TUT) to third of the test frequencies (see clause 5.1). S
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