1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ICS 33.060.30 ISBN 0-626-17397-3 SANS 301430:2005Edition 1 ETSI EN 301430:2000Edition V1.1.1SOUTH AFRICAN NATIONAL STANDARD Satellite Earth Stations and
4、Systems (SES); Harmonized EN for Satellite News Gathering Transportable Earth Stations (SNG TES) operating in the 11-12/13-14 GHz frequency bands covering essential requirements under article 3.2 of the R Harmonized EN for Satellite News Gathering Transportable Earth Stations (SNG TES) operating in
5、the 11 -12113-14 GHz frequency bands covering essential requirements under article 3.2 of the Rlrwww.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
6、 version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSl printers of the PDF version kept on a specific network drive within ETSl Secretariat. Users of the present document should be aware that the document may be subject to revision or change o
7、f status. Information on the current status of this and other ETSI documents is available at http:llwww.etsi.orgltblstatusl If you find errors in the present document, send your comment to: editoretsi.fr Coovriah t Notification No part may be reproduced except as authorized by written permission. Th
8、e copyright and the foregoing restriction extend to reproduction in all media. O European Telecommunications Standards Institute 2000. All rights reserved. Contents Intellectual Property Rights 5 Foreword 5 Introduction 5 1 Scope 8 2 References 9 3 Definitions and abbreviations 9 3.1 Definitions 9 .
9、 . . 3.2 Abbreviations 10 4 Technical requirement specifications 11 . 4.1 Environmental profile 11 . 4.2 Conformance requirements 11 4.2.1 Off-axis EIRP emission density within the band(s) 11 4.2.1.1 Justification . 11 4.2.1.2 Specification 11 4.2.1.3 Conformance tests . 11 . 4.2.2 Off-axis spurious
10、 radiation 1 1 4.2.2.1 Justification . 11 4.2.2.2 Specification 12 4.2.2.3 Conformance tests . 12 . 4.2.3 On-axis spurious radiation 13 . 4.2.3.1 Justification 13 4.2.3.2 Specification 13 . 4.2.3.3 Conformance tests 13 4.2.4 Mechanical (antenna pointing) 13 . 4.2.4.1 Justification 13 4.2.4.2 Specifi
11、cation 13 4.2.4.3 Conformance tests . 13 5 Testing for compliance with technical requirements . 14 5.1 Environmental conditions for testing 14 5.2 Essential radio test suites 14 6 Test methods 14 6.1 General 14 . 6.2 Off-axis EIRP density within the band 15 6.2.1 Test method 15 General 15 . Transmit
12、 output power density 15 . General 15 . Test site 15 . Method of measurement 15 . Antenna transmit gain 16 . General 16 . Test site 16 . Method of measurement 16 Antenna transmit radiation patterns . 17 . General 17 Test site . 17 Method of measurement 18 Co-polar radiation pattern - azimuth 18 Co-p
13、olar radiation pattern - elevation 18 . Cross-polar radiation pattern - azimuth 19 . Cross-polar radiation pattern - elevation 20 6.2.2 Computation of results 20 . 6.3 Off-axis spurious radiation 20 6.3.1 Test method 20 6.3.1.1 Up to 1, 0 GHz . 21 . 6.3.1.1.1 Test site 21 6.3.1.1.2 Measuring receive
14、rs . 21 . 6.3.1.1.3 Procedure 21 . 6.3.1.2 Above 1, 0 GHz 21 6.3.1.2.1 General 21 6.3.1.2.2 Identification of the significant frequencies of spurious radiation . 22 6.3.1.2.2.1 Test site 22 6.3.1.2.2.2 Procedure . 22 6.3.1.2.3 Measurement of radiated power levels of identified spurious radiation 22
15、6.3.1.2.3.1 Test site 22 6.3.1.2.3.2 Procedure . 22 6.3.1.2.4 Measurement of conducted spurious radiation at the antenna flange . 23 6.3.1.2.4.1 Test site 23 6.3.1.2.4.2 Procedure . 23 6.4 On-axis spurious radiation 24 6.4.1 Test method 24 6.4.1.1 General 24 6.4.1.2 Method of measurement 24 . 6.5 Me
16、chanical (antenna pointing) 25 6.5.1 Test method 25 7 Test methods for SNG TES subsystems 25 . 7.1 General 25 . 7.2 Antenna subsystem replacement 26 Annex A (normative): The EN Requirements Table (EN-RT) 27 Annex B (informative): Pointing stability methodology . 28 . Bibliography 29 History 30 Intel
17、lectual 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 SR 000 3 14: “Intellectual Property Rights (
18、IPRs); Essential, or potentially Essential, IPRs notlJied to ETSI in respect ofETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/lm.etsi.orglipr). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has be
19、en carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in SR 000 3 14 (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 s
20、eries) has been produced by ETSI Technical Committee Satellite Earth Stations and Systems (SES). The present document has been produced by ETSI in response to a mandate from the European Commission issued under Council Directive 98134lEC 4 (as amended) laying down a procedure for the provision of in
21、formation 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 199915lEC l of the European Parliament and of the Co
22、uncil of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity (“the R b-II r-p- * If needed - -I I Scoped by I Inter-working via the network* , I equipment 3.3a 11 class or type I Inter-working with the network I I I I New radio har
23、monised standards I Scoped by frequency and/or equipment type I I I I I I I 3.1 EMC b I I I Generic and base standards also notified under EMC Directive I I f I I I I“A“ I j. I I I New standard for Health for radio I I I (if needed) I I 3.1 a I I-,-,-,T,-I I I 4- Non-radio *Radio (RE) -b Safety 1- T
24、TE -b+ Non-TTE -+ Standards also notified under LVD Directive (incl acoustic safety if needed) Figure 1: Modular structure for the various standards used under the R - SNG TES is capable of transmitting television signals and associated audio or programme audio only towards a satellite positioned on
25、 the geostationary orbit. The modulation method may be either analogue or digital. Such transmissions are point-to-point or point-to-multipoint but not for general broadcast reception; - the SNG TESs are designed for relocation at any time to a different fixed operating location but are not intended
26、 to operate during the relocation period. The SNG TESs can be either vehicle mounted or packed for transportation. The SNG TESs considered in the present document are those designed to operate whilst stationary; - the SNG TESs are operating in the following bands allocated to the Fixed Satellite Ser
27、vices (FSS): - 10,70 GHz to 11,70 GHz (space-to-earth, shared); - 12,50 GHz to 12,75 GHz (space-to-earth, exclusive); - 12,75 GHz to 13,25 GHz (earth-to-space, shared); - 13,75 GHz to 14,25 GHz (earth-to-space, exclusive); - 14,25 GHz to 14,50 GHz (earth-to-space, shared). - frequencies could be sel
28、ected from through the entire frequency range or be restricted to a range completely enclosed within those bands. These bands are partly shared between FSS and Fixed Service (FS); - at present the ITU Radio Regulations 3 restrict the use of the 13,75 GHz to 14,OO GHz band to earth stations having an
29、 antenna diameter of 4,5 m or greater and having a transmitting EIRP between 68 dBW and 85 dBW; - the SNG TESs use linear polarization; - the SNG TESs operate through a geostationary satellite at least 3 away from any other geostationary satellite operating in the same frequency band and covering th
30、e same area; - the SNG TES antenna diameter does not exceed 5 m, or equivalent corresponding aperture; - the SNG TESs are designed for attended operation. The present document applies to the SNG TES with its ancillary equipment and its various terrestrial ports, and when operated within the boundary
31、 limits of the operational environmental profile declared by the applicant. The present document is intended to cover the provisions of Directive 199915iEC I (R Satellite News Gathering (SNG) Transportable Earth Stations (TES) operating in the 1 1-1 2113- 14 GHz frequency bands“. 3 Definitions and a
32、bbreviations Definitions For the purpose of the present document, the terms and definitions given in the R - the transmit subsystem is not switched to the antenna. carrier-on state: that state where the SNG TES is transmitting a signal. Environmental profile: range of environmental conditions under
33、which equipment within the scope of the present document is required to comply with the provisions of the present document. exclusion band: exclusion band is centred on the transmit frequency and is equal to 5 times the occupied bandwidth. occupied Bandwidth (B,): for a digital modulation scheme the
34、 width of the signal spectrum 10 dB below the maximum inband density. For an analogue modulation scheme the occupied bandwidth (B,) is defined as follows: B, = AF, + 2fm where: AFpp = peak-to-peak frequency deviation of the TV-carrier for a 1 V peak-to-peak test tone at the pre-emphasis network cros
35、s-over frequency in Hz; and fm = top video baseband frequency (e.g. 5 MHz). Satellite News Gathering Transportable Earth Station (SNG TES): equipment capable of transmitting television signals and associated audio or programme audio only towards a satellite positioned on the geostationary orbit. The
36、 modulation method may be either analogue or digital. Such transmissions are point-to-point or point-to-multipoint but not for general broadcast reception. The SNG TES usually comprises the main parts, as defined below, and all power, interconnecting and other cables required for proper operation of
37、 the equipment as follows: a) the antenna subsystem, which converts the incident electromagnetic wave into a guided wave and vice versa and which includes any mounting that may be required; b) the transmit subsystem, which is composed of the frequency translation equipment and the high power amplifi
38、er; c) the receive subsystem, which consists of the low noise amplifier and the frequency translation equipment; d) the ground communications subsystem, which consists of modulation and demodulation equipment, either analogue or digital, and associated baseband equipment; e) the monitoring and contr
39、ol subsystem which consists of test equipment together with a transmitter identification system if implemented; f) the communications subsystem which consists of and a facility for two way communication if implemented; g) the power subsystem, which consists of any power generation equipment that may
40、 be required; h) the transportation subsystem, which consists of either a vehicle for vehicle mounted SNG TES or flight cases for “flyaway“ SNG TES. spurious radiation: any radiation outside the exclusion band. transmit frequency band: one of the following frequency bands, or a part of them, within
41、which the SNG TES is able to transmit its carrier: - 12,75 GHz to 13,25 GHz; - 13,75 GHz to 14,50 GHz. The transmit frequency bands of the SNG TES are declared by the applicant. NOTE 2: An SNG TES may be designed for several transmit frequency bands. Abbreviations For the purpose of the present docu
42、ment, the following abbreviations apply: EIRP EUT HPA LNA LNB modem R it shall be possible to fix the transmit antenna polarization angle with an accuracy better than 1 “. d) Polarization alignment stability: The SNG TES shall not show any sign of distortion and the polarization shall not need reali
43、gnment whilst being used in a wind speed which is under that specified by the applicant at which the antenna shall be stowed nor from any accidental mechanical action. 4.2.4.3 Conformance tests Conformance tests shall be carried out in accordance with subclause 6.5. 5 Testing for compliance with tec
44、hnical requirements 5.1 Environmental conditions for testing Tests defined in the present document shall be carried out at representative points within the boundary limits of the declared operational environmental profile. 5.2 Essential radio test suites The essential radio test suites for a SNG is
45、given in subclause 6. Test methods General The values of measurement uncertainty associated with each measurement parameter apply to all of the test cases described in the present document. The measurement uncertainties shall not exceed the values shown in tables 4 and 5. Table 4: Measurement uncert
46、ainty Table 5: Measurement uncertainties for antenna gain pattern / Gain relative to the antenna 1 Uncertainty I on-axis gain For vehicle mounted equipment the EUT, as defined for each test, does not include the transportation subsystem unless agreed between the applicant and test house. The EUT doe
47、s not include the control and monitoring and power subsystems unless agreed between the applicant and test house. The antenna shall never be rotated around its main beam axis. All tests with carrier-on shall be conducted with maximum transmit power as declared by the applicant. The modulation shall
48、be by an energy dispersal signal only, as specified by the applicant, in the case of an analogue modulation scheme or by a pseudo random bit sequence in the case of a digital modulation scheme. All technical characteristics and operational conditions declared by the applicant shall be entered in the
49、 test report. 6.2 Off-axis ElRP density within the band Off-axis EIRP emission density (co-polar and crosspolar) within the transmit frequency band(s). 6.2.1 Test method 6.2.1.1 General Conformance shall be determined from: a) measurement of maximum RF power density entering the antenna feed for the different modulation schemes declared by the applicant; b) measurement of transmit antenna gain pattern. To ascertain the off-axis EIRP it is necessary to know the transmit power density and antenna transmit radiation pat
