SIST EN 301 423:2001

SLOVENSKI STANDARD
01-september-2001
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Electromagnetic Compatibility and Radio spectrum Matters (ERM); Harmonized
Standard for the Terrestrial Flight Telecommunications System under article 3.2 of the
R&TTE Directive
Ta slovenski standard je istoveten z: EN 301 423 Version 1.1.1
ICS:
33.100.99 Drugi vidiki v zvezi z EMC Other aspects related to
EMC
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

Candidate Harmonized European Standard (Telecommunications series)
Electromagnetic Compatibility
and Radio spectrum Matters (ERM);
Harmonized Standard for the Terrestrial Flight
Telecommunications System under
article 3.2 of the R&TTE Directive

2 ETSI EN 301 423 V1.1.1 (2000-12)
Reference
DEN/ERM-RP05-020
Keywords
radio, regulation, terminal, terrestrial, testing,
TFTS
ETSI
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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 2000.
All rights reserved.
ETSI
3 ETSI EN 301 423 V1.1.1 (2000-12)
Contents
Intellectual Property Rights .5
Foreword.5
Introduction.6
1 Scope.8
2 References.8
3 Definitions and abbreviations.9
3.1 Definitions . 9
3.2 Abbreviations. 9
4 Technical requirements specifications .10
4.1 Environmental profile. 10
4.2 Conformance requirements. 10
4.2.1 Limits for Frequency error . 10
4.2.1.1 AS. 10
4.2.1.2 GS. 10
4.2.2 Limits for Transmitter power. 10
4.2.2.1 AS. 10
4.2.2.2 GS. 10
4.2.2.2.1 En Route Ground Station (ERGS). 10
4.2.2.2.2 Intermediate Ground Station (INTGS) and airport Ground Station (APGS) . 10
4.2.3 Limits for RF spectrum mask . 11
4.2.3.1 AS. 11
4.2.3.2 GS. 11
4.2.4 Limits for out of band emissions. 11
4.2.4.1 AS. 11
4.2.4.2 GS. 11
4.2.5 Limits for spurious emissions. 11
4.2.6 Decoding of BCCH channel. 11
4.2.7 Response to shutdown command from GS.12
4.2.8 Response to timing and power adjustments commands . 12
5 Testing for compliance with technical requirements .12
5.1 Environmental conditions for testing. 12
5.2 Essential radio test suites . 12
5.2.1 Transmitter power output . 12
5.2.1.1 AS. 12
5.2.1.1.1 Test method . 12
5.2.1.1.2 Test bank characteristics. 13
5.2.1.1.3 Measurement uncertainty. 13
5.2.1.2 GS. 13
5.2.1.2.1 Test Method. 13
5.2.1.2.2 Test bank characterisitics. 14
5.2.1.2.3 Measurement uncertainty. 14
5.2.2 Transmitter frequency accuracy. 14
5.2.2.1 AS. 14
5.2.2.1.1 Test method . 14
5.2.2.1.2 Test bank characteristics. 14
5.2.2.1.3 Measurement uncertainty. 14
5.2.2.2 GS. 15
5.2.2.2.1 Test method . 15
5.2.2.2.2 Test bank characteristics. 15
5.2.2.2.3 Measurement uncertainty. 15
5.2.3 RF spectrum mask. 15
5.2.3.1 AS. 15
5.2.3.1.1 Test method . 15
ETSI
4 ETSI EN 301 423 V1.1.1 (2000-12)
5.2.3.1.2 Test bank characteristics. 16
5.2.3.1.3 Measurement uncertainty. 16
5.2.3.2 GS. 16
5.2.3.2.1 Test method . 16
5.2.3.2.2 Test bank characteristics. 16
5.2.3.2.3 Measurement uncertainty. 16
5.2.4 Out of band and spurious emissions. 16
5.2.4.1 AS. 16
5.2.4.1.1 Test method . 16
5.2.4.1.2 Test bank characteristics. 17
5.2.4.1.3 Measurement uncertainty. 18
5.2.4.2 GS. 18
5.2.4.2.1 Test method . 18
5.2.4.2.2 Test bank characteristics. 19
5.2.4.2.3 Measurement uncertainty. 19
5.2.5 Correct decoding of BCCH channel. 19
5.2.5.1 Test method. 19
5.2.5.2 Test bank characteristics . 19
5.2.5.3 Measurement uncertainty. 19
5.2.6 Correct response to shutdown command. 20
5.2.6.1 Test method. 20
5.2.6.2 Measurement uncertainty. 20
5.2.6.3 Measurement uncertainty. 20
5.2.7 AT response to timing and power adjustment commands . 20
5.2.7.1 Test method. 20
5.2.7.1.1 Timing. 20
5.2.7.1.2 Power. 20
5.2.7.2 Test bank characteristics . 20
Annex A (normative): The EN Requirements Table (EN-RT).21
History .22
ETSI
5 ETSI EN 301 423 V1.1.1 (2000-12)
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://www.etsi.org/ipr).
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 Candidate Harmonized European Standard (Telecommunications series) 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 Council Directive 98/34/EC [9] (as amended) laying down a procedure for the provision of information in the
field of technical standards and regulations.
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 [1] 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 ("the R&TTE Directive").
Technical specifications relevant to Directive 1999/5/EC [1] are given in annex A.
National transposition dates
Date of adoption of this EN: 1 December 2000
Date of latest announcement of this EN (doa): 31 March 2001
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 30 September 2001
Date of withdrawal of any conflicting National Standard (dow): 30 September 2002
ETSI
6 ETSI EN 301 423 V1.1.1 (2000-12)
Introduction
The present document is part of a set of standards designed to fit in a modular structure to cover all radio and
telecommunications terminal equipment under the R&TTE Directive [1]. Each standard is a module in the structure.
The modular structure is shown in figure 1.
Disability*
3.3f
Emergency*
3.3e
Fraud*
3.3d
3.3c
Privacy*
No harm to the network*
3.3b
* If needed
Scoped by
Interworking via the network*
equipment
3.3a class or type
Interworking with the network
Use of spectrum
3.2
New radio harmonized standards
Spectrum
Scoped by frequency and/or equipment type
Radio Product EMC
Existing EMC standards to be replaced
by a new, single, multipart standard
3.1b
EMC
Generic and product standards also notified under EMC Directive
New standards for human exposure to Electromagnetic Fields
and, if needed, new standards for acoustic safety
3.1a
Standards also notified under LV Directive
Safety
Non-radio Radio (RE)
TTE Non-TTE
Figure 1: Modular structure for the various standards used under the R&TTE Directive
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7 ETSI EN 301 423 V1.1.1 (2000-12)
The left hand edge of the figure 1 shows the different subclauses of article 3 of the R&TTE Directive [1].
For article 3.3 various horizontal boxes are shown. Dotted lines indicate that at the time of publication of the present
document essential requirements in these areas have to be adopted by the Commission. If such essential requirements
are adopted, and as far and as long as they are applicable, they will justify individual standards whose scope is likely to
be specified by function or interface type.
The vertical boxes show the standards under article 3.2 for the use of the radio spectrum by radio equipment. The
scopes of these standards are specified either by frequency (normally in the case where frequency bands are
harmonized) or by radio equipment type.
For article 3.1b the diagram shows the new single multipart product EMC standard for radio, and the existing collection
of generic and product standards currently used under the EMC Directive [2]. The parts of this new standard will
become available in the second half of 2000, and the existing separate product EMC standards will be used until it is
available.
For article 3.1a the diagram shows the existing safety standards currently used under the LV Directive [3] and new
standards covering human exposure to electromagnetic fields. New standards covering acoustic safety may also be
required.
The bottom of the figure shows the relationship of the standards to radio equipment and telecommunications terminal
equipment. A particular equipment may be radio equipment, telecommunications terminal equipment or both. A radio
spectrum standard will apply if it is radio equipment. An article 3.3 standard will apply as well only if the relevant
essential requirement under the R&TTE Directive [1] is adopted by the Commission and if the equipment in question is
covered by the scope of the corresponding standard. Thus, depending on the nature of the equipment, the essential
requirements under the R&TTE Directive [1] may be covered in a set of standards.
The modularity principle has been taken because:
- it minimizes the number of standards needed. Because equipment may, in fact, have multiple interfaces and
functions it is not practicable to produce a single standard for each possible combination of functions that may
occur in an equipment;
- it provides scope for standards to be added:
- under article 3.2 when new frequency bands are agreed; or
- under article 3.3 should the Commission take the necessary decisions without requiring alteration of
standards that are already published;
- it clarifies, simplifies and promotes the usage of Harmonized Standards as the relevant means of conformity
assessment.
ETSI
8 ETSI EN 301 423 V1.1.1 (2000-12)
1 Scope
The present document applies to Terrestrial Flight Telecommunication System (TFTS) radio equipment.
This radio equipment is capable of operating in all or any part of the frequency bands given in table 1.
Table 1: Terrestrial Flight transmission service frequency bands
Direction of transmission TFTS frequency bands
Transmit ground-to-air 1 670 MHz to 1675 MHz
Transmit air-to-ground 1 800 MHz to 1805 MHz
The present document is intended to cover the provisions of Directive 1999/5/EC (R&TTE Directive) [1] 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".
The present document is intended to cover both the AS (Aircraft Station) and the GS (Ground Station). As far as the AS
is concerned, the present document is derived from TBR 23 [4].
In addition to the present document, other ENs that specify technical requirements in respect of essential reauirements
under other parts of article 3 of the R&TTE Directive [1] may apply to equipment within the scope of the present
document.
NOTE: A list of such ENs is included on the web site http://www.newapproach.org.
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, edition number, version number, etc.) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies.
• A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the same
number.
[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] Council Directive of 3 May 1989 on the approximation of the laws of the Member States relating
to electromagnetic compatibility (89/336/EEC) (EMC Directive).
[3] Council Directive of 19 February 1973 on the harmonization of the laws of Member States relating
to electrical equipment designed for use within certain voltage limits (73/23/EEC) (LV Directive).
[4] ETSI TBR 23 (March 1998): "Electromagnetic compatibility and Radio spectrum Matters (ERM);
Terrestrial Flight Telecommunications System (TFTS); Technical requirements for TFTS".
[5] ETSI ETS 300 326-2 (1998): "Electromagnetic compatibility and Radio spectrum Matters (ERM);
Terrestrial Flight Telecommunications System (TFTS); Part 2: Speech services, radio interface".
[6] ETSI ETR 028 (1994): "Radio Equipment and Systems (RES); Uncertainties in the measurement
of mobile radio equipment characteristics".
ETSI
9 ETSI EN 301 423 V1.1.1 (2000-12)
[7] ARINC Characteristic 752 (1993): "Terrestrial Flight Telephone System (TFTS) Airborne Radio
Subsystem".
[8] EUROCAE ED-14C: "Environmental Conditions and Test Procedures for Airborne Equipment".
[9] 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.
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in the R&TTE Directive [1], and the
following apply:
continuous modulation mode: see subclause 6.6.3 of TBR 23 [4].
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
necessary bandwidth: for a given class of emission, the width of the frequency band which is just sufficient to ensure
the transmission of information at the rate and with the quality required under specified conditions
out-of-band emission: emission on a frequency or frequencies immediately outside the necessary bandwidth which
results from the modulation process, but excluding spurious emissions
radio equipment: as defined in R&TTE Directive [1] article 2(c), subject to general exclusions referred to in the scope
and aim of the Directive - article 1
supplier: manufacturer or his authorized representative established within the Community or the person responsible for
placing the apparatus on the market
spurious emission: emission 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. Spurious emissions include
harmonic emissions, parasitic emissions, intermodulation products and frequency conversion products, but exclude
out-of-band emissions
suppressed modulation mode: see subclause 6.6.4 of TBR 23 [4].
unwanted emissions: consist of spurious emissions and out-of-band emissions
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
AS Aircraft Station
AT Avionics Termination
BCCH Broadcast Control CHannel
CHS Candidate Harmonized Standard
EIRP Equivalent Isotropic Radiated Power
EN-R EN Requirement
EN-RT EN Requirements Table
GS Ground Station (of the TFTS system)
LVD Low Voltage Directive
PRBS Pseudo Random Bit Sequence
R&TTE Radio and Telecommunications Terminal Equipment
RE Radio Equipment
RF Radio Frequency
RT Requirement Table
TFTS Terrestrial Flight Telecommunications System
ETSI
10 ET
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