SIST ETS 300 630 E1:2003
(Main)Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); Low capacity point-to-point DRRS operating in the 1,4 GHz frequency band
- Abstract
Standardisation of digital systems with bit rate up to 4 x 2/8 Mbit/s suitable for use on long and partially obstructed paths, for use in the bands around 1,5 GHz.
- Status
- Published
- Publication Date
- 30-Nov-2003
- Withdrawal Date
- 30-Sep-2003
- Technical Committee
- RES - Radio equipment and systems
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
SIST ETS 300 630 E1:2003 is the SIST publication of ETSI ETS 300 630 Edition 1 for low capacity point-to-point Digital Radio Relay Systems (DRRS) operating in the 1.4 GHz band. It specifies minimum performance parameters, radio interfaces and baseband interfaces for terrestrial digital fixed service equipment used on point-to-point links in local and regional networks. The standard is aimed at designers, manufacturers, installers, test laboratories and purchasers who need equipment that fits the 1.4 GHz channel plan and the expected transmission quality.
What does SIST ETS 300 630 E1:2003 specify?
SIST ETS 300 630 E1:2003 specifies the minimum performance parameters for low capacity DRRS in the 1.4 GHz band, together with the channel arrangements, environmental conditions, power supply interfaces and radio and baseband characteristics that the equipment should meet. The standard focuses on compatibility between equipment from different sources on the same route and on the transmission quality of the system.
The document is organized into nine clauses and one informative annex:
- Clauses 1 to 3 cover scope, normative references, abbreviations and symbols.
- Clauses 4 to 9 cover general characteristics, baseband characteristics, transmitter and receiver characteristics, system characteristics, and feeder/antenna requirements.
- Annex A gives indicative channel capacities.
| Annex | What it covers |
|---|---|
| Annex A | Indicative channel capacities for the equipment classes and channel spacings |
The scope includes point-to-point use on local and regional networks, with data rates between 9.6 kbit/s and 4 x 2 Mbit/s. It also notes that safety aspects are outside the scope.
What are the key requirements of SIST ETS 300 630 E1:2003?
Frequency plan, channel spacing and installation
Clause 4.1 ties the equipment to two paired 1.4 GHz band allocations and a 0.5 MHz homogeneous channel pattern. In practice, this means network planners must match the radio to the national channel plan and polarization arrangement.
Clause 4.2.1 lists the standard channel spacings from 25 kHz to 3.5 MHz, and Clause 4.2.2 gives the duplex separations for the two paired bands. These values matter because they determine how links are assigned and how transmit and receive paths are paired.
Clause 4.3 requires the equipment to meet ETS 300 019 environmental classes for weather protected and non-weather protected locations, and Clause 4.3.2 links EMC compliance to ETS 300 385 for 2 Mbit/s and above, with ETS 300 339 applying below that. Clause 4.3.3 ties power input to ETS 300-132 Parts 1 and 2, with additional AC and DC ranges also listed. This is the part to check when selecting indoor, outdoor or site-powered equipment.
Baseband and management interfaces
Clause 4.4 says any Telecommunications Management Network (TMN) interface should follow ITU-T Recommendation G.773. Clause 5.1 maps PDH and other digital access rates to the relevant interface recommendations such as V.24, G.703, V.11, I.430 and X.21. Clause 5.2 covers 2-wire and 4-wire analogue interfaces using G.712 and requires digital test points when analogue services are primary. This tells integrators what the radio can connect to and what test access is needed for measurements.
Transmitter, receiver and system performance
Clause 6 limits transmitter output power, sets the RF spectrum masks, defines suppression of spectral lines at the symbol rate, sets spurious emission limits, and requires return loss of at least 15 dB. In practice, these are the checks that control interference to other links and confirm matching at the RF port.
Clause 7 covers receiver image rejection, receiver spurious emissions, input level range and return loss. Clause 8 then sets the performance tests: BER as a function of receiver input level, background BER, and interference sensitivity for co-channel, adjacent channel and CW spurious cases. The equipment classes in Clause 4.0 are based on minimum modulation levels of 2-level, 4-level and 16-level schemes, so the required sensitivity and channel capacity depend on the chosen class.
What terms does SIST ETS 300 630 E1:2003 define?
- Bit Error Ratio (BER) - The ratio used to judge transmission quality by comparing errored bits to the total bits received.
- Plesiochronous Digital Hierarchy (PDH) - A family of digital interfaces and rates used for the baseband connections covered by the standard.
- Telecommunications Management Network (TMN) - The management interface framework used when the radio includes network management functions.
- Intermediate Frequency/Radio Frequency (IF/RF) - The frequency domains used in the radio chain between baseband and the antenna port.
- Continuous Wave (CW) - A single-frequency interfering signal used in spurious-response testing.
- Wanted to Unwanted signal ratio (W/U) - The ratio used in interference testing to compare the useful signal with an interfering signal.
Who uses SIST ETS 300 630 E1:2003?
SIST ETS 300 630 E1:2003 is used by radio equipment manufacturers, system designers, network operators, installers, test houses and procurement teams. They use it to choose channel spacings, verify environmental and EMC suitability, define RF and baseband interfaces, and test sensitivity, emissions and interference performance. It is also relevant to buyers and quality managers who need to compare equipment against a common technical baseline.
Which standards are used with SIST ETS 300 630 E1:2003?
The standard relies on several companion documents:
- CEPT Recommendation T/R 13-01 - preferred 1 to 3 GHz channel arrangements.
- ETS 300 019 Parts 1 and 2 - environmental classes and environmental tests.
- ETS 300-132 Parts 1 and 2 - power supply interface conditions.
- ETS 300 385 and prETS 300 339 - EMC requirements for radio equipment, depending on bit rate.
- prEN 300 631 - antenna requirements for point-to-point radio links.
- G.703, V.11, V.24, I.430, X.21, G.712 and ETR 080 - digital and analogue interface characteristics.
- G.773, G.821, G.826, F.634, F.696 and F.697 - management and performance objective references used for system quality targets.
What does the SIST ETS 300 630 E1:2003 document contain?
The document contains the block diagram of the radio chain, the frequency band and channel arrangement rules, interface references for PDH and analogue access, and the transmitter and receiver measurement limits. Figure 2 gives the spectral density mask, Table 5 gives the spectrum analyser settings, and Tables 6a to 6c and Table 7 define receiver sensitivity and interference test conditions. Annex A adds indicative gross bit rates for the three equipment classes and the listed channel spacings.
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Frequently Asked Questions
SIST ETS 300 630 E1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); Low capacity point-to-point DRRS operating in the 1,4 GHz frequency band". This standard covers: Standardisation of digital systems with bit rate up to 4 x 2/8 Mbit/s suitable for use on long and partially obstructed paths, for use in the bands around 1,5 GHz.
Standardisation of digital systems with bit rate up to 4 x 2/8 Mbit/s suitable for use on long and partially obstructed paths, for use in the bands around 1,5 GHz.
SIST ETS 300 630 E1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.040.20 - Transmission systems; 33.060.30 - Radio relay and fixed satellite communications systems. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST ETS 300 630 E1:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.*+]Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); Low capacity point-to-point DRRS operating in the 1,4 GHz frequency band33.060.30Radiorelejni in fiksni satelitski komunikacijski sistemiRadio relay and fixed satellite communications systems33.040.20Prenosni sistemTransmission systemsICS:Ta slovenski standard je istoveten z:ETS 300 630 Edition 1SIST ETS 300 630 E1:2003en01-december-2003SIST ETS 300 630 E1:2003SLOVENSKI
STANDARD
EUROPEANETS 300 630TELECOMMUNICATIONMarch 1997STANDARDSource: ETSI TC-TMReference: DE/TM-04014ICS:33.020Key words:DRRS, radio, relay, transmission, point-to-pointTransmission and Multiplexing (TM);Low capacity point-to-point Digital Radio Relay Systems (DRRS)operating in the 1,4 GHz frequency bandETSIEuropean Telecommunications Standards InstituteETSI SecretariatPostal address: F-06921 Sophia Antipolis CEDEX - FRANCEOffice address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCEX.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.frTel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and theforegoing restriction extend to reproduction in all media.© European Telecommunications Standards Institute 1997. All rights reserved.SIST ETS 300 630 E1:2003
Page 2ETS 300 630: March 1997Whilst every care has been taken in the preparation and publication of this document, errors in content,typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to"ETSI Editing and Committee Support Dept." at the address shown on the title page.SIST ETS 300 630 E1:2003
Page 3ETS 300 630: March 1997ContentsForeword.51Scope.72Normative references.83Abbreviations and symbols.93.1Abbreviations.93.2Symbols.94General characteristics.104.1Frequency bands and channels arrangements.104.2Modes of operation.104.2.1Channel spacing.104.2.2Transmit/receive duplex frequency separation.104.3Installation.104.3.1Environmental conditions.104.3.1.1Equipment within weather protected locations.104.3.1.2Equipment for non-weather protected locations.104.3.2Electromagnetic compatibility conditions.104.3.3Power supply.114.4TMN requirements.114.5Block diagram.114.6RF interfaces.125Baseband characteristics.125.1Plesiochronous Digital Hierarchy (PDH) interfaces.125.2Analogue interfaces.126Transmitter characteristics.126.1Output power.126.2RF spectrum masks.136.3Spectral lines at the symbol rate.146.4Spurious emissions.146.5Radio frequency tolerance.146.6Return loss.147Receiver characteristics.157.1Receiver image rejection(s).157.2Receiver spurious emissions.157.3Input level range.157.4Return loss.158System characteristics.158.1BER as a function of receiver input level.158.2Equipment background BER.168.3Interference sensitivity.168.3.1Co-channel interference.168.3.2Adjacent channel interference.168.3.3CW Spurious interference.179Feeder/antenna requirements.17Annex A (informative):Indicative channel capacities.18History.19SIST ETS 300 630 E1:2003
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Page 5ETS 300 630: March 1997ForewordThis European Telecommunication Standard (ETS) has been prepared by the Transmission andMultiplexing (TM) Technical Committee of the European Telecommunications Standards Institute (ETSI).Transposition datesDate of adoption:21 February 1997Date of latest announcement of this ETS (doa):30 June 1997Date of latest publication of new National Standardor endorsement of this ETS (dop/e):31 December 1997Date of withdrawal of any conflicting National Standard (dow):31 December 1997SIST ETS 300 630 E1:2003
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Page 7ETS 300 630: March 19971ScopeThis ETS specifies the minimum performance parameters for terrestrial digital fixed service radiocommunications equipment operating in the 1,4 GHz frequency bands. The requirements and limits givenin this ETS are relevant to all environmental conditions for the chosen climatic class. The test methods tobe used are currently under study in ETSI STC TM4.Digital systems are intended to be used for point-to-point connections in local and regional networks atdata rates between 9,6 kbit/s and 4x2 Mbit/s. Other data rates may also be foreseen. Typical applicationsinclude:a)customer connections;b)Integrated Services Digital Network (ISDN) extension;c)mobile base station connections;d)telemetry and telecontrol, including transportable and off-shore use.CCIR high, medium and local grade performance objectives, i.e. CCIR Recommendations F.634 [14],F.696 [4], F.697 [5], CCITT Recommendation G.821 [7] and the forthcoming performance objectivesdetailed in ITU-T Recommendation G.826 [8] should be realizable using systems considered in this ETS.The parameters to be specified fall into two categories:a)Those that are required to provide compatibility between channels from different sources ofequipment on the same route, connected either to:-separate antennas; or to-separate polarizations of the same antenna.b)Parameters defining the transmission quality of the proposed system.The ETS deals with Intermediate Frequency (IF), Radio Frequency (RF) and baseband characteristicsrelevant to low capacity Plesiochronous Digital Hierarchy (PDH) transmission. Antenna/feeder systemrequirements are covered in EN 300 631 [12].Due to the wide spread of applications and corresponding system rates, parameters such as RF spectrummasks and receiver sensitivity are related to standardized channel spacings rather than to minimumsystem rates. This allows individual countries to allocate a bandwidth and therefore a standard channelspacing in accordance with the foreseen services and their own frequency management and radionetwork planning.As the maximum bit rate in a given bandwidth depends on the system spectral efficiency, differentequipment classes are defined:Class 1:equipment based on a minimum of 2-level modulation scheme (e.g. 2-FSK,GMSK with discriminator detection, or equivalent);Class 2:equipment based on a minimum 4-level modulation scheme (e.g. 4-FSK,4-QAM, or equivalent);Class 3:equipment based on a minimum 16-level modulation scheme (e.g. 16-QAM, orequivalent).Safety aspects are outside the mandate of ETSI and they will not be considered in this ETS.SIST ETS 300 630 E1:2003
Page 8ETS 300 630: March 19972Normative referencesThis ETS incorporates, by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate place in the text and the publications are listed hereafter.For dated references, subsequent amendments to, or revisions of, any of these publications apply to thisETS only when incorporated in it by amendment or revision. For undated references, the latest edition ofthe publication referred to applies.[1]CEPT Recommendation T/R 13-01: "Preferred channel arrangements for fixedservices in the range 1 - 3 GHz".[2]ETS 300 019 Parts 1 and 2 (1994): "Equipment Engineering (EE);Environmental conditions and environmental tests for telecommunicationsequipment Part 1-1 to 1-7: Classification of environmental conditions, Part 2-1 to2-7: Specification of environmental tests".[3]CCITT Recommendation G.703 (1988): "Physical/electrical characteristics ofhierarchical digital interfaces".[4]CCIR Recommendation F.696 (1992): "Error performance and availabilityobjectives for hypothetical reference digital sections utilizing digital radio-relaysystems forming part or all of the medium grade portion of an ISDN connection".[5]CCIR Recommendation F.697 (1992): "Error performance and availabilityobjectives for the local grade portion at each end of an ISDN connection utilizingdigital radio-relay systems".[6]ITU-T Recommendation G.773 (1993): "Protocol suites for Q interfaces formanagement of transmission systems".[7]CCITT Recommendation G.821 (1988): "Error performance of a digitalinternational connection".[8]ITU-T draft Recommendation G.826 (1993): "Error performance objectives forconstant bit-rate digital paths".[9]ETS 300 385: "Radio Equipment and Systems (RES); EMC standard for digitalfixed radio links and ancillary equipment with data rates at around 2 Mbit/s andabove".[10]ITU-T Recommendation V.11 (1993): "Electrical characteristics for balanceddouble current interchange circuits operating at data signalling rates up to 10Mbit/s".[11]CCITT Recommendation G.712 (1992): "Transmission PerformanceCharacteristics of Pulse Code Modulation".[12]prEN 300 631: "Transmission and Multiplexing (TM); Radio relay equipment;Antennas for point-to-point radio links in bands 1 to 3 GHz Essentialrequirements on electrical characteristics".[13]ITU-T Recommendation V.24 (1993): "List of definitions for interchange circuitsbetween data terminal equipment (DTE) and data circuit-terminating equipment(DCE)".[14]CCIR Recommendation F.634 (1992): "Error performance objectives for realdigital radio-relay links forming part of a high grade circuit within an ISDNnetwork".[15]ETS 300 132 Parts 1 and 2: "Equipment Engineering (EE); Power supplyinterface at the input to telecommunications equipment interface".SIST ETS 300 630 E1:2003
Page 9ETS 300 630: March 1997[16]ETR 080: "Transmission and Multiplexing (TM); Integrated Services DigitalNetwork (ISDN) basic rate access; Digital transmission system on metallic locallines".[17]ITU-T Recommendation I.430 (1993): "Basic user-network interface - Layer 1specification".[18]CCITT Recommendation X.21 (1992): "Interface between data terminalequipment and data circuit-terminating equipment for synchronous operation onpublic data networks".[19]prETS 300 339: "Radio Equipment and Systems (RES); General Electro-Magnetic Compatibility (EMC) for radio equipment".3Abbreviations and symbols3.1AbbreviationsFor the purposes of this ETS, the following abbreviations apply:ACAlternating CurrentBERBit Error RatioCEPTConférence des Administrations Européennes des Postes etTélécommunicationsCWContinuous WaveDCDirect CurrentEMCElectroMagnetic CompatibilityFSKFrequency Shift KeyingGMSKGaussian Minimum Shift KeyingIFIntermediate FrequencyIF/RFIntermediate Frequency/Radio FrequencyISDNIntegrated Services Digital NetworkNRZNon return to ZeroPDHPlesiochronous Digital HierarchyQAMQuadrature Amplitude ModulationRFRadio FrequencyRXReceiverS/ISignal to Interference ratioTMNTelecommunications Management NetworkTXTransmitterW/UWanted to Unwanted signal ratio3.2SymbolsFor the purposes of this ETS, the following symbols apply:dBdecibeldBmdecibel relative to 1 mWGHzgigahertzkHzkilohertzHzHertzkbit/skilobits per secondMbit/smegabits per secondMHzmegahertzSIST ETS 300 630 E1:2003
Page 10ETS 300 630: March 19974General characteristics4.1Frequency bands and channels arrangementsThe systems are required to operate in the 1,4 GHz frequency bands as shown below, in accordance withthe CEPT Recommendation T/R 13-01 [1]:-1 350 MHz to 1 375 MHz
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