1、- STD-ETSI TS 101 13b-ENGL 1777 m 3q00855 025b330 O21 m TS I OI I36 1.1.1 (1997-12) Technical Spec fication Satellite Earth Stations and Systems (SES); Guidance for general purpose earth stations transmitting in the 5,7 GHz to 18,4 GHz frequency bands and not covered by other ETSI standards STD=ETSI
2、 TS LO1 13b-ENGL 1997 = 3q00855 025b33L TbB D TS 101 136 V1.l.l (1997-12) 2 Reference DTWSES-00034 (aioOOicr. PDF) Keywords earth station, satellite, type approval ETSI Secretariat Postai address F-06921 Sophia Antipolis Cedex - FRANCE Office address 650 Route des Lucioles - Sophia Antipoiis Valbonn
3、e - FRANCE Siret No 348 623 562 00017 - NAF 742 C Association but non lucratii enregistre la Sous-Prfecture de Grasse (06) No 7803/88 Tel.: +33 4 92 94 42 O0 Fax: +33 4 93 65 47 16 X.400 c= fr; a=atlas; p=etsi; szsecretariat internet secretariat O etsi. fr http:/www.etsi .fr Copydght Notification No
4、 part may be reprduced except as authorized by written pennission. nie copyright and the foregoing restriction extend to reproduction in ail media. O European Telecommunications Standards Institute 1997. AU rights reserved. STD-ETSI TS 101 13b-ENGL 1777 3400855 025b332 7Ti 3 TS 101 136 V1.l.l (1997-
5、12) Contents Intellectual Property Rights 4 Foreword 4 Introduction 4 1 2 2.1 2.2 3 3.1 3.2 4 4.1 4.2 4.3 4.4 4.5 4.6 Scope 5 References 5 Normative references . 6 informative references . 6 Definitions and abbreviations 6 Definitions . 6 Abbreviations . 7 Radio Frequency (RF) 7 Off-axis ERP emissio
6、n density (co-polar and cross-polar) . 7 Off-axis spurious radiation . 8 On-axis spurious radiation . 9 Antenna transmit gain pattern (co-polar and cross-polar) 10 Transmit polarization discrimination . 10 Transmit carrier centre frequency stability 10 History 11 4 TS 101 136 Vl.l.1 (1997-12) Intell
7、ectual 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-member s, and can be found in ETR 3 14: “lntellecrual Property Rights (IPR
8、s); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available free of charge from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/www.etsi.fi/ipr). Pursuant to the ETSI Interim IPR Policy, no investigation, including
9、 IPR searches, has been carried out by ETSI. No guarantee CM be given as to the existence of other PRs not referenced in ETR 314 (or the updates on http:/www.etsi.fr/ipr) which are, or may be, or may become, essential to the present document. Foreword This Technical Specification (TS) has been produ
10、ced by ETSI Technical Committee Satellite Earth Stations and Systems (SES). Introduction The present document applies to General Purpose Eaah Stations (GPES) which could be capable of - providing the exchange and/or distribution of telephony-, television- , audio-signals and/or data between users or
11、 the execution of Tracking Telemetry, Control and Monitoring (ITC interfacing public networks (e.g. PSTN, PSPDN, ISDN). - The present document is intended to give guidance in order to protect other users of the frequency spectrum, both satellite and terrestrial, fiom unacceptable interference. The p
12、resent document does not contain any recommendation or information about the installation or operation of the GPES. STD-ETSI TS LOL L3b-ENGL 1997 W 3400855 025b334 777 W 5 TS 101 136 Vl.l.1 (1997-12) 1 Scope The present document is intended to provide guidance for compliance with national type appro
13、val of General Purpose Earth Stations (GPESs) not covered by other ETSI standards. The present document is applicable to GPESs which have the following characteristics: - transmitting in the frequency bands allocated to the Fixed Satellite Service (FSS) and the Broadcast Satellite Service (BSS); the
14、se GPESs operate through geostationary satellites typically at 3“ away from any other geostationary satellite operating in the same frequency band and covering the same area; - - designed for operation at a fixed location; - designed for attended operation; - transmitting in all frequency bands or i
15、n parts of according to table 1. Table 1: Transmit frequency bands Transmit frequency bands 5.725 GHz - 6,425 GHz 12,75 GHz - 14,50 GHz 17.30 GHz - 18.40 GHz I The equipment considered in the present document comprises the antenna and the transmit and receive equipment. The present document does not
16、 contain any recommendation or information about the method of modulation. The present document applies to the earth station with its various equipment, its ancillary equipment and its various terrestrial ports, being operated under the conditions which are within the ranges of humidity, temperature
17、 and supply voltage declared by the manufacturer. NOTE 1: More stringent specifications may be needed and required by satellite operators. NOTE 2: A GPES will be subject to a site clearance and a standard frequency co-ordination process. 2 References References may be made to: a) specific versions o
18、f publications (identified by date of publication, edition number, version number, etc.), in which case, subsequent revisions to the referenced document do not apply; or b) all versions up to and including the identified version (identified by “up to and including“ before the version identity); or c
19、) all versions subsequent to and including the identified version (identified by “onwards“ following the version identity); or d) publications without mention of a specific version, in which case the latest version applies. A non-specific reference to an ETS shall also be taken to refer to later ver
20、sions published as an EN with the same number. 2.1 111 i21 2.2 i41 i51 i31 i61 71 6 TS 101 136 Vl.l.l (1997-12) Normative ref e rences IEC 60510-1-2: “Methods of measurement for radio equipment used in satellite earth stations. Part 1: “Measurements common to sub-systems and combinations of sub-syst
21、ems. Section Two: Measurements in the r.f. range“. IEC 510-2-1, Part 2: “Measurements of subsystems. Section One: General. Section Two: Antenna (including feed network)“. Informative references ITU “Radio Regulations“. IT-R Recommendation S.524-5: “Maximum permissible levels of off-axis e.i.r.p. den
22、sity from earth stations in the fixed-satellite service transmitting in the 6 and 14 GHz frequency bands“. IT-R Recommendation S.580-5: “Radiation diagrams for use as design objectives for antennas of earth stations operating with geostationary satellites“. KJ-R Recommendation S.73 1: “Reference ear
23、th-station cross-polarized radiation pattern for use in fiquency coordination and interference assessment in the frequency range from 2 to about 30 GW. INTELSAT SSOG 210: “Earth Station Verification Tests: Section 8.2 Test Procedures using an INTELSAT satellite communications system monitor“. 3 3.1
24、Definitions and abbreviations Definitions For the purposes of the present document, the following definitions apply: ancillary equipment: Equipment used in connection with a GPES is considered as ancillary if the three following conditions are met: - the equipment is intended to be used in conjuncti
25、on with a GPES to provide additional operational and/or control features (e.g. to extend control to another position or location); - the equipment cannot be used on a stand alone basis, to provide user functions independently of a GPES; and - the absence of the equipment does not inhibit the operati
26、on of the GPES. cross poiarization iscriminaon: The cross polarization discrimination of an antenna, in a given direction, at a transmit or receive fnquency, is defined in the present document as the ratio of the on-axis CO-polar gain to the cross-polar gain in that direction. It is expressed in dB.
27、 exclusion ban in addition the antenna sub-system contains the support structure, the de-icing and the tracking equipment; 2) the transmit sub-system, which is composed of the IF equipment, the fiquency translation equipment, the high power amplifier(s), the combining equipment and the redundancy sw
28、itching equipment; and IF-disuibution equipment and/any ndundancy switching equipment; 3) the receive sub-system, which consists of the low noise amplifiefls), the frequency translation equipment, the IF- STD-ETSI TS 101 13b-ENGL 1797 D 3400855 025b33b 54T 2,5“ 480 I -7 dRW I O dBW I O dBW I Cp is t
29、he angle , in degrees, between the main beam axis and the direction considered. Antennas with coverage ranges of less than 115“ should at least demonstrate compliance within an elevation movement range of 110“. STD-ETSI TS LOI L3b-ENGL 1997 = 3q00855 025b337 YBb D TS 101 136 Vl.1.l (1997-12) 8 55 dB
30、pW 61 dBpW 78 dBpW 78 dBpW 67 dBpW Conformance should be determined from: in any 100 kHz band in the range 7,8 GHz to 10,7 GHz in any 100 kHz band in the range 10.7 GHz to 1 1.7 GHz in any 100 kHz band in the range 11,7 GHz to 12,75 GHz in any 1 O0 kHz band in the range 1430 GHt to 21,2 GHt in any 1
31、00 kHz band in the range 21,2 GHz to 40 GHz - measurement of maximum RF power density entering the antenna feed; the maximum power density is determined by the modulation equipment and by the operational Em. These values have to be provided by the manufactureG 61 dBpW 78 dBpW 78 dBpW 67 dBpW - measu
32、rement and/or provision of typical antenna co-polar and cross-polar transmit gain patterns; to be provided by the manufacturer. The manufacturer may select the approjxiate test procedure. The measurement of the RlJ power density should be made in accordance with IEC 510-1-2 11, subclause 5.2.2.2. Th
33、e measuring instrument should be a spectrum analyser. The measurements should be performed at three frequencies (low, middle, high) within the transmit frequency band. The measurement of the transmit gain patterns should be made in accordance to IEC 510-2-1 2 clause 8, or any other recognised method
34、 that can be proved to give similar results. An example of a measurement method using satellites is given in INTELSAT SSOG 210 7. if satellites for verification measurement are used then the angular ranges may be limited to f15“ in azimuth and f10“ in elevation. The antenna gain should be corrected
35、by the attenuation between the antenna and the test point. in any 1 O0 kHz band in the range 1 1,6 GHz to 16.9 GHz in any 100 kHz band in the range 16.9 GHz to 17,3 GHz in any 100 kHz band in the range 18,4 GHz to 21,2 GHz in any 1 O0 kHz band in the ranae 21.2 GHz to 40 GHz 4.2 Off-axis spurious ra
36、diation To limit the level of interference to terrestrial and satellite radio services. With the carrier on, the off-axis spurious EIRP should be below the following limits for all: - off-axis angles greater than 11“ for GPESs operating in transmit frequency bands c 10 GHz and off-axis angles greate
37、r than 7 for GPESs operating in transmit frequency bands 10 GHz; a) Transmit frequency band 5 725 MHz to 6 425 MHz: I 67 dBpW I in any 100 kHz band lin the ranpe 21,2 GHz to 40 GHt in the frequency band 10,7 GHz to 13,35 GHz, for any 20 MHz band within which one or more spurious signais exceeding th
38、e above limit of 61 dBpW are present, then the power of each of those spurii exceeding the limit should be added in watts, and the sum should not exceed 78 dBpW. b) Transmit frequency band 12,75 GHz to 14,50 GHz: STD-ETSI TS LO1 13b-ENGL 1777 = 3400855 025b338 312 W 9 TS 101 136 Vl.l.1 (1997-12) in
39、the frequency band 33,8 GHz to 37,6 GHz, for any 20 MHz band within which one or more spurious signals exceeding the above limit of 67 dBpW are present, then the power of each of those spurii exceeding the limit should be added in watts, and the sum should not exceed 78 dBpW. NOTE: The lower limit s
40、hould apply at the transition frequency. Spurious radiation generated by a GPES under operation are measured above the cut-off frequency. The EiRP should be adjusted according to the maximum expected operational figure. The power of the spurious radiation at the antenna port should be measured accor
41、ding to the measurement method in IEC 510-1-2 i, subclause 5.2.2.2. The measuring instrument should be a spectrum analyser which should be protected against the main transmission by appropriate means. The spectrum analyser resolution bandwidth should be set to the specified measuring bandwidth or as
42、 close as possible. If the resolution bandwidth is different from the specified measuring bandwidth then bandwidth correction should be performed for the noise-like wide-band spurious emissions. To obtain the off-axis spurious EIRP the maximum measured antenna transmit gain for off-axis angles great
43、er 11“ (for transmit frequencies below 10 GHz) respectively for off-axis angles greater 7“(for transmit frequencies above 10 GHz) shall be added to any figure obtained in the above measurement and any correction or calibration factors summated with the results. The antenna transmit gain patterns sho
44、uld be measured according to IEC 510-2-1 2, clause 8, or any other method, that can be proved to give the same results. An example of a measurement method using satellites is given in INTELSAT SSOG 210 7. I In case there are no measured antenna gain figures available, then the following highest figu
45、res should be used: transmit frequency bands 40 GHz I 3dBiforillo transmit freauencv bands 10 GHz I 8dBi forh7 4.3 On - ax s s p u ri ou s rad at ion To limit the level of interference to satellite radio services in the transmit frequency bands outside the exclusion band the EIRP spectral density of
46、 the spurious radiation shall not exceed 4 dBW in any 4 kHz band. For GPES, designed to transmit simultaneously several different carriers (multicarrier operation), the above limits apply to each individual carrier when transmitted alone. NOTE 1: The on-axis spurious radiation, outside the specified
47、 frequency bands is indirectly limited by subclause 4.2. Consequently no specification is needed. NOTE 2: Intermodulation limits inside the specified transmit frequency band) are to be determined by system design and are subject to satellite operator specifications. Spurious radiation should be meas
48、ured by a GPES under operational conditions and the EIRP adjusted according to the maximum expected operational figure. The EIRP spectral density of the spurious radiation at the antenna port should be measured according to the measurement method in IEC 510-1-2 i, subclause 5.2.2.2. The measuring in
49、strument should be a spectrum analyser which should be protected from the main transmission by appropriate means. The spectrum analyser resolution bandwidth should be set to the specified measuring bandwidth or as close as possible. If the resolution bandwidth is different from that specified than a bandwidth correction should be performed for the noise-like wide-band spunous emissions. To obtain the off-axis spurious EIRP the antenna transmit gain should be added and any correction or calibration factors summated. The antenna transmit gain should b
