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 0-626-17410-4 SANS 301277:2005Edition 1ETSI EN 301277:2001Edition V.1.2.1SOUTH AFRICAN NATIONAL STANDARD Fixed Radio Systems; Point-to
4、-point equipment; High capacity digital radio systems transmitting STM-4 or 4 x STM-1 in a 40 MHz radio frequency channel using Co-Channel Dual Polarized (CCDP) operation This national standard is the identical implementation of ETSI EN 301277:2001 and is adopted with the permission of the European
5、Telecommunications Standards Institute. Published by Standards South Africa 1 dr lategan road groenkloof private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa SANS 301277:2005 Edition 1 ETSI EN 301277:2001 Edition V.1.2.
6、1 Table of changes Change No. Date Scope Abstract Defines technical parameters for a high capacity Digital Radio Relay System (DRRS) operating in frequency bands with a 40 MHz channel spacing for example, the 4 GHz, 5 GHz, U 6 GHz and 11 GHz bands. Keywords digital, DRRS, point-to-point, radio, SDH,
7、 STM, transmission. National foreword This South African standard was approved by National Committee StanSA TC 74, Communication technology, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. In South Africa, spectrum band plans are regulate
8、d by the Independent Communications Authority of South Africa (ICASA). The South African Table of Frequency Allocations is obligatory for South Africa and will override any reference to frequency ranges as mentioned in this standard. ETS l EN 30 1 277 VI .2.1 (2001 -02) European Standard (Telecommun
9、ications series) Fixed Radio Systems; Point-to-point equipment; High capacity digital radio systems transmitting STM-4 or 4 x STM-1 in a 40 MHz radio frequency channel using Co-Channel Dual Polarized (CCDP) operation ETSl EN 301 277 V1.2.1 (2001-02) Reference REN/TM-04111-01 Keywords digital, DRRS,
10、radio, SDH, STM, transmission, point-to-point ETSl 650 Route des Lucioies F-06921 Sohia Antiolis Cedex - FRANCE Siret No 348 623 562 00017 - NAF 742 C Association a but non lucratif enregistree a la Sous-Prefecture de Grasse (06) No 7803188 lmortant notice Individual copies of the present document c
11、an be downloaded from: htt:!nwvv.etsi.orq 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 version is the Portable Document Format (PDF). In case of dispute, th
12、e 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 of status. Information on the current status of this and other ETSl doc
13、uments is available at htip:i/www.etsi.orq/tb/slals/ If you find errors in the present document, send your comment to: editoretsi.fr Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all
14、media. O European Teiecommunications Standards Institute 2001. All rights reserved. Contents Intellectual Property Rights 5 Foreword 5 1 Scope 6 2 References 6 3 Symbols and abbreviations 8 3.1 Symbols 8 3.2 Abbreviations . 9 4 General characteristics 9 4.1 Frequency bands and channel arrangements .
15、 9 4.2 Modes of operation 10 . 4.3 Compatibility requirements . 10 4.4 Performance and availability requirements . 10 4.5 . . Environmental conditions 10 4.5.1 Equipment within weather protected locations (indoor locations) 10 4.5.2 Equipment for non-weather protected locations (outdoor locations) 1
16、0 4.6 Mechanical dimensions 10 4.7 Power supply 11 4.8 . . Electromagnetic Compatibility (EMC) 11 4.9 TMN interfaces . 11 4.10 Block diawam . 11 2 4.1 1 Branching / feeder / antenna requirements 12 4.11.1 Antenna radiation pattern . 12 4.11.2 Antenna cross-polar discrimination 12 5 SDH baseband char
17、acteristics . 12 Transmitter characteristics 12 Output power 12 Automatic Transmit Power control (ATPC) . 13 Remote Transmit Power Control (RTPC) . 13 RF spectrum masks . 14 Discrete CW lines exceeding the spectrum mask limit 16 Spectral lines at the symbol rate . 16 Other spectral lines 16 Spurious
18、 emissions 17 . . Spurious emissions-External 17 . . Spurious emissions-Internal 17 Radio frequency tolerance 17 Return loss . 18 Intermodulation products . 18 7 Receiver characteristics . 18 7.1 Local oscillator frequency tolerance . 18 7.2 Receiver image rejection . 18 7.3 . . Spurious emissions 1
19、8 7.3.1 Spurious emissions-External 18 7.3.2 Spurious emissions-Internal 18 7.4 Input level range 18 7.5 Return loss 19 8 System performance without diversity . 19 8.1 Equipment background BER 19 8.2 BER as a function of receive input level (dBm) 19 8.3 Interference sensitivity 20 8.3.1 Co-channel “
20、external“ interference sensitivity 20 8.3.2 Ad-jacent channel interference sensitivity 21 8.4 Distortion sensitivity . 21 . 8.5 Sensitivity to dynamic fading 21 . 9 System characteristics with diversity 22 9.1 Differential delay compensation 22 9.2 BER performance . 22 9.3 Interference sensitivity 2
21、2 9.4 Distortion sensitivity 22 10 Cross polar interference sensitivity 23 . . 10.1 Co-channel “internal“ interference sensitivity in flat fading condltlons . 23 10.2 Co-channel “internal“ interference sensitivity in dispersive fading conditions . 23 Annex A (informative): Additional information 24
22、A . 1 ATPC . 24 A.2 Branching. feeder and antenna 24 A.2.1 Antenna radiation pattern envelopes 24 A.2.2 Cross-polar discrimination (XPD) 24 A.2.3 Interport isolation 24 A.2.4 Feeder / antenna return loss . 24 A.3 Compatibility 25 A.4 Mechanical requirements 25 Annex B (informative): Bibliography 26
23、History . 27 5 ETSl EN 301 277 V1.2.1 (2001-02) 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
24、found in ETSI SR 000 31 4: “Intellectual Property Riglzts (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in Yespect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:!/wwi+ etsi .ore/iw). Pursuant to the ET
25、SI 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 3 14 (or the updates on the ETSI Web server) which are. or may be, or may become, essential to the present document. Forewo
26、rd This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Transmission and Multiplexing (TM). The former title of the present document was: “Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); High capacity DRRS transmitting STM-4 or 4 x
27、STM-1 in a 40 MHz radio frequency channel using Co-Channel Dual Polarized (CCDP) operation“. National transposition dates Date of adoption of this EN: 9 February 2001 Date of latest announcement of this EN (doa): 31 May 2001 Date of latest publication of new National Standard or endorsement of this
28、EN (dople): 30 November 2001 Date of withdrawal of any conflicting National Standard (dow): 30 November 2001 Scope The present document defines technical parameters for a high capacitj Digital Radio Relay System (DRRS) operating in frequency bands with 40 MHz channel spacing e.g. the 4 GHz. 5 GHz, U
29、 6 GHz and 11 GHz bands. The capacity should be STM-4 or 4 x STM-I per 40 MHz RF-channel by using both polarizations in the co-channel dual polarized (CCDP) mode of operation. The area of application of these DRRS is foreseen to be in regional and trunk networks forming part of a SDH-network includi
30、ng STM-4 rings. Systems considered in the present document should be able to respect ITU-R high grade performance objectives. The systems considered should operate in these networks having regard for existing hop length, which are considered to be normally up to about 30 krn to 40 krn for regional a
31、nd about 60 km for trunk networks, respectively. Hop lengths greater than this latter length are used in special applications. For information about compatibility with other systems see clause A.3. The parameters specified fall into two categories: a) Those that are required to provide compatibility
32、 between channels from different sources of equipment on the same route connected to separate antennas. NOTE: Equipment supplied by different manufacturers on the same path or existing radio-relay systems operate on different frequencies. b) Parameters defining the transmission quality of the propos
33、ed system. The standardization deals with baseband and RF characteristics relevant to SDH. Antennalfeeder system requirements are also considered. Baseband interfaces have to be considered for STM-1 signals and STM-4 signals in accordance with ITU-T Recommendations G.707 6 and G.957 21 respectively.
34、 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, subseque
35、nt revisions do not apply. For a non-specific reference, subsequent revisions do apply. I ITU-R Recommendation F.384-6 (1995): “Radio-frequency channel arrangements for medium and high capacity analogue or digital radio-relay systems operating in the upper 6 GHz band“. 21 ITU-R Recommendation F.387-
36、7 (1995): “Radio-frequency channel arrangements for radio-relay systems operating in the 1 1 GHz band“. 31 ITU-R Recommendation F.635-4 (1997): “Radio-frequency channel arrangements based on a homogeneous pattern for radio-relay systems operating in the 4 GHz band“. 41 ITU-R Recommendation F.750-2 (
37、1997): “Architectures and functional aspects of radio-relajz systems for SDH-based networks“. 51 ITU-R Recommendation F. 1099-2 (I 997): “Radio-frequency channel arrangements for high-capacity digital radio-relay systems in the 5 GHz (4 400 MHz to 5 000 MHz) band“ ITU-T Recommendation G.707 (1996):
38、“Network node interface for the synchronous digital hierarchy (SDH)“. ITU-R Recommendation SM.329-7 (1997): “Spurious Emissions“. ITU-T Recommendation G.773 (1993): “Protocol suites for Q-interfaces for management of transmission systems“. ITU-T Recommendation G.784 (1999): “Synchronous digital hier
39、archy (SDH) management“. ETSI ETS 300 019 (all parts): “Equipment engineering (EE); Environmental conditions and environmental tests for telecommunications equipment“. ETSI ETS 300 119 (all parts): “Equipment engineering (EE); European telecommunication standard for equipment practice“. ETSI EN 300
40、385: “Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for fixed radio links and ancillary equipment“ ETSI ETS 300 132 (all parts): “Equipment Engineering (EE); Power supply interface at the input to telecommunications equipment“. ETSI ETS
41、300 635: “Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); Radio specific functional blocks for transmission of M x STM-N“. ETSI EN 300 833: “Fixed Radio Systems; Point to Point Antennas; Antennas for point-to-point fixed radio systems operating in the frequency band 3 GHz to
42、 60 GHz“. ITU-T Recommendation G.703 (199 1): “Physical/electrical characteristics of hierarchical digital interfaces“. ITU-R Recommendation F. 1 19 1-1 (1997): “Bandwidths and unwanted emissions of digital radio-relay systems“. ITU-T Recommendation 0.151 (1992): “Error performance measuring equipme
43、nt operating at the primary rate and above“. ITU-T Recommendation 0.181 (1996): “Equipment to assess error performance on STM-N interfaces“. ITU-T Recommendation G.783 (1997): “Characteristics of synchronous digital hierarchy (SDH) equipment functional blocks“. ITU-T Recommendation G.957 (1995): “Op
44、tical interfaces for equipments and systems relating to the synchronous digital hierarchy“. ETSI TR 101 035: “Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH) aspects regarding Digital Radio Relay Systems (DRRS)“. ITU-R Recommendation F.695 (1990): “Availability objectives for
45、 real digital radio-relay links forming part of a high-grade circuit within an integrated services digital network“. ITU-R Recommendation F.1092-1 (1997): “Error performance objectives for constant bit rate digital path at or above the primary rate carried by digital radio-relay systems which may fo
46、rm part of the international portion of a 27 500 km hypothetical reference path“. ITU-R Recommendation F. 1 189-1 (1 997): “Error performance objectives for constant bit rate digital paths at or above the primary rate carried by digital radio-relay systems which may form part or all of the national
47、portion of a 27 500 km hypothetical reference path“. ITU-R Recommendation F.557-4 (1997): “Availability objective for radio-relay systems over a hypothetical reference circuit and a hypothetical reference digital path“. ITU-T Recommendation G.826 (I 996): “Error performance parameters and objectives
48、 for international, constant bit rate digital paths at or above the primary rate“. 8 ETSl EN 301 277 V1.2.1 (2001-02) ITU-T Recommendation G.827 (1996): “Availability parameters and objectives for path elements of international constant bit-rate digital paths at or above the primary rate“. ITU-R Rec
49、ommendation F.752-1 (1994): “Diversity techniques for radio-relay systems“. ITU-R Recommendation F. 1093-1 (1 997): “Effects of multipath propagation on the design and operation of line-of-sight digital radio-relay systems“. ITU-R Recommendation F. 1 101 (1 994): “Characteristics of digital radio-relay systems below about 17 GHz“. ETSI EN 301 127: “Fixed Radio Systems; Point-to-point equipment; High capacity digital radio systems carrying SDH signals (2 x STM-1) in frequency bands with about 30 MHz channel spacing and using Co-Channel Dual Polarized (CCDP) operation“. CEP
