1、 ETSI TS 101 789-1 V1.1.2 (2007-04)Technical Specification Terrestrial Trunked Radio (TETRA);TMO RepeatersPart 1: Requirements, test methods and limitsETSI ETSI TS 101 789-1 V1.1.2 (2007-04) 2 Reference RTS/TETRA-03186-1 Keywords data, radio, repeater, speech, TETRA ETSI 650 Route des Lucioles F-069
2、21 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice Individual copies of the present document can be downloaded from: http:/www.etsi
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5、tsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foreg
6、oing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2007. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTMand the TIPHON logo are Trade Marks currently being registered by
7、 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. ETSI ETSI TS 101 789-1 V1.1.2 (2007-04) 3 Contents Intellectual Property Rights4 Foreword.4 1 Scope 5 2 References 5 3 Definitions and abbreviations
8、.5 3.1 Definitions5 3.2 Abbreviations .6 4 Requirements6 4.1 Introduction 6 4.2 Requirements6 4.2.1 Spurious emissions and Wideband noise 6 4.2.2 Intermodulation attenuation7 4.2.3 Out of band gain .7 4.2.3.1 Definition 7 4.2.3.2 Requirement 7 4.2.4 Output Power7 4.2.5 Adjacent channel power7 4.2.6
9、Modulation accuracy.7 5 Test specification8 5.1 Radio frequency bands .8 5.2 Manufacturers declarations 8 5.3 Test system.8 5.4 Test environments 8 5.5 Repeater test specification8 5.5.1 Spurious emissions and Wideband noise 8 5.5.1.1 Test purpose 8 5.5.1.2 Test case8 5.5.1.3 Limit values.9 5.5.2 In
10、termodulation attenuation10 5.5.2.1 Test purpose 10 5.5.2.2 Test case10 5.5.2.3 Limit values.10 5.5.3 Out of band gain .10 5.5.3.1 Test purpose 10 5.5.3.2 Test case10 5.5.3.3 Limit values.11 5.5.4 Output power 11 5.5.4.1 Test purpose 11 5.5.4.2 Test case12 5.5.5 Adjacent channel power12 5.5.5.1 Test
11、 purpose 12 5.5.5.2 Test case12 5.5.5.3 Limit values.12 5.5.6 Modulation accuracy.13 5.5.6.1 Test purpose 13 5.5.6.2 Test case13 5.5.6.3 Limit values.13 6 Measurement uncertainty .13 History 14 ETSI ETSI TS 101 789-1 V1.1.2 (2007-04) 4 Intellectual Property Rights IPRs essential or potentially essen
12、tial 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 notifi
13、ed 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
14、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 Technical Specification (TS) has been produced by ETSI Technical Committee Terrestrial Trunked Ra
15、dio (TETRA). The present document is part 1 of a multi-part deliverable covering TETRA TMO Repeaters, as identified below: Part 1: “Requirements, test methods and limits“; Part 2: “Functional specification“. ETSI ETSI TS 101 789-1 V1.1.2 (2007-04) 5 1 Scope The present document specifies the technic
16、al characteristics, test methods, limits and the requirements for TMO repeater equipment. The present document is applicable to TETRA systems operating at radio frequencies in the range 300 MHz to 1 GHz. These specifications do not necessarily include all the characteristics which may be required by
17、 a user of equipment, nor do they necessarily represent the optimum performance achievable. 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
18、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. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.e
19、tsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. 1 ETSI EN 300 394-1: “Terrestrial Trunked Radio (TETRA); Conformance testing specification; Part 1: Radio“. 2 ETSI EN 300 392-2: “Terrestrial Tr
20、unked Radio (TETRA) Voice plus Data (V+D); Part 2: Air Interface (AI)“. 3 ETSI EN 300 113-1: “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
21、and having an antenna connector; Part 1: Technical characteristics and methods of measurement“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following definitions apply: broadband repeater: repeater which is designed for operation on any combination o
22、f TETRA carriers (up to a specified maximum number) within the operating band of the repeater channel: complete TETRA carrier channelized repeater: repeater which is designed for operation on a specified subset of TETRA carriers within the operating band of the repeater NOTE: The subset of the TETRA
23、 channels may be determined during the manufacture of the repeater, or may be programmable. repeater: bi-directional Radio Frequency (RF) amplifier which can amplify and transmit a received Mobile Station (MS) signal in the TETRA MS transmit band, simultaneously it can amplify and transmit a receive
24、d Base Station (BS) RF signal in the TETRA BS transmit band ETSI ETSI TS 101 789-1 V1.1.2 (2007-04) 6 spurious emissions: emissions at frequencies other than those of the carrier and sidebands associated with normal modulation and switching trunked mode operation: mode of operation where a network i
25、s used for communication 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: ACP Adjacent Channel Power BS Base Station dBc Decibels relative to carrier power dBm Decibels relative to one mW MS Mobile Station RF Radio Frequency TMO Trunked Mode Operation 4
26、Requirements 4.1 Introduction A repeater can be designed to amplify the whole transmit RF band or just a part of the band. In the latter case the repeater can be either broadband, with frequency band selective filtering, or channelized, with channel selective filtering. The repeater shall operate wi
27、thin the frequency bands defined in EN 300 392-2 2, clauses 6.2 and F.2. 4.2 Requirements 4.2.1 Spurious emissions and Wideband noise The requirement of EN 300 392-2 2, clauses 6.4.2.3 and 6.4.3 apply with the following modification: Table 1: Wideband noise limits Frequency offset Maximum Wideband N
28、oise 100 kHz to 250 kHz -75 dBc 250 kHz to 500 kHz -80 dBc 500 kHz to frb-80 dBc frb-100 dBc NOTE: frbdenotes the frequency offset corresponding to the near edge of the receiver band or 5 MHz (10 MHz for frequencies above 520 MHz) whichever is greater. All levels are expressed in dBc. All levels in
29、table 1 are expressed in dBc relative to the actual transmitted power level, and in any case no limit tighter than -55 dBm for offsets frb shall apply. Conducted emissions For equipment only capable of operating at frequencies below 470 MHz, the maximum level of spurious emission shall not be greate
30、r than -36 dBm in the frequency range 9 kHz to 14 GHz, and -30 dBm in the range 1 GHz to 4 GHz. For equipment capable of operating at frequencies above 470 MHz, the maximum level of spurious emission shall not be greater than -36 dBm in the frequency range 9 kHz to 1 GHz, the maximum level of spurio
31、us emission shall not be greater than -30 dBm in the frequency range 1 GHz to 12,75 GHz. ETSI ETSI TS 101 789-1 V1.1.2 (2007-04) 7 Radiated emissions For equipment only capable of operating at frequencies below 470 MHz, the maximum level of spurious emission shall not be greater than -36 dBm in the
32、frequency range 30 MHz to 1 GHz, and -30 dBm in the range 1 GHz to 4 GHz. For equipment capable of operating at frequencies above 470 MHz, the maximum level of spurious emission shall not be greater than -36 dBm in the frequency range 30 MHz to 1 GHz, the maximum level of spurious emission shall not
33、 be greater than -30 dBm in the frequency range 1 GHz to 12,75 GHz. 4.2.2 Intermodulation attenuation The requirement of EN 300 392-2 2, clause 6.4.6.3 shall apply. 4.2.3 Out of band gain 4.2.3.1 Definition Out of band gain refers to the nominal gain of the repeater outside the relevant transmit ban
34、ds. 4.2.3.2 Requirement For units with an operating frequency band of 1 MHz or less the limits detailed in table 2 shall not be exceeded. Table 2: Maximum gain Frequency offset from the - 6 dB point Maximum gain 50 kHz 63 dB 75 kHz 50 dB 125 kHz 30 dB 250 kHz 20 dB 500 kHz 10 dB For units with an op
35、erating frequency band greater than 1 MHz the limits detailed in table 3 shall not be exceeded. Table 3: Maximum gain Frequency offset from the - 6 dB point Maximum gain 50 kHz 75 dB 75 kHz 70 dB 125 kHz 65 dB 250 kHz 32 dB 500 kHz 28 dB 4.2.4 Output Power The output shall be declared by the manufac
36、ture and be in accordance with the definition in EN 300 392-2 2, clause 6.4.1. 4.2.5 Adjacent channel power The requirement of EN 300 392-2 2, clauses 6.4.2.2.1 and 6.4.2.2.2 shall apply. 4.2.6 Modulation accuracy The requirements of EN 300 392-2 2, clauses 5.2 and 6.6.1 shall apply. ETSI ETSI TS 10
37、1 789-1 V1.1.2 (2007-04) 8 5 Test specification 5.1 Radio frequency bands A repeater, as a bi-directional amplifier, can amplify and transmit a received MS signal in the MS transmit band, simultaneously it can amplify and transmit a received BS signal in the BS transmit band. The relevant MS and BS
38、transmit bands, as defined in EN 300 392-2 2. 5.2 Manufacturers declarations The manufacturer shall declare: a) The operating band or bands of the repeater. b) The maximum rated output power per channel. c) The number of channels supported by the repeater. 5.3 Test system The test system shall confo
39、rm to the requirements of EN 300 394-1 1, annex B. 5.4 Test environments For each test in the present document, the environmental conditions under which the repeater is to be tested are defined in EN 300 394-1 1, clause 6. 5.5 Repeater test specification 5.5.1 Spurious emissions and Wideband noise 5
40、.5.1.1 Test purpose The purpose of this test is to establish the level of conducted spurious emissions and wideband noise (see clause 3.1) at the antenna ports and the effective power of spurious emissions radiated by the cabinet and structure. 5.5.1.2 Test case The repeater shall be set to maximum
41、gain. All measurement steps, as described in this clause, apply to all antenna ports of the repeater. a) Spurious emissions from the antenna port: one antenna port of the repeater shall be connected to a selective RF measurement device presenting to the repeater a load with an impedance of 50 . An a
42、verage power measurement of spurious emissions shall be performed for frequency offsets from the carrier frequency greater than 600 kHz under the following two conditions: i) Without any RF input signal. The relevant input antenna port of the repeater shall be terminated with 50 . ii) With a RF inpu
43、t signal. The relevant antenna input port of the repeater shall be connected to a RF signal generator. A continuous sinusoidal RF signal shall be fed to the input of the repeater and increased, until the maximum rated output power per channel, as declared by the manufacturer, is reached. The RF inpu
44、t signal shall be set to the centre frequency of the repeaters operating band. In the case of a channelized repeater, the RF input signal shall be set to the centre of the supported TETRA channel closest to the centre of the range of the channels supported by the repeater. ETSI ETSI TS 101 789-1 V1.
45、1.2 (2007-04) 9 b) Wideband noise: one antenna port of the repeater shall be connected to a selective RF measurement device presenting to the repeater a load with an impedance of 50 . A measurement of wideband noise shall be conducted in accordance with the offsets defined in table 4. The measuremen
46、t shall be conducted under the conditions outlined in clause 5.5.1.2 item a), parts i) and ii), of the present document. c) Radiated spurious emissions: a test site fulfilling the requirements of EN 300 113-1 3 shall be used, except when it conflicts with the present document. The repeater shall be
47、placed on a non-conducting support and shall be operated from a power source as recommended by the manufacturer via an RF filter, to prevent the power source or cable from influencing the result of the measurement. The relevant output antenna port of the repeater shall be terminated with 50 . The re
48、levant antenna input port of the repeater shall be connected to a RF signal generator in such a way that the connection does not influence the result of the measurement. The RF input signal shall be set to the centre frequency of the repeaters operating band. A continuous sinusoidal RF signal shall
49、be input at a level, which will result in the maximum rated output power per channel, as declared by the manufacturer. The output level shall be confirmed by measurement. An average RF power measurement shall be performed for frequency offsets from the carrier frequency greater than 600 kHz over the frequency range 30 MHz to 4 GHz. The repeater shall be rotated through 360 in the horizontal plane and the test antenna shall be raised or lowered until the maximum spurious signal level is detected. The effective radiated power of each spuri
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