SANS 300431-2005 Fixed Radio Systems Point-to-point equipment Parameters for radio system for the transmission of digital signals operating in the frequency range 24 50 GHz to 29 5.pdf
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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 0-626-17391-4 SANS 300431:2005Edition 1 ETSI EN 300431:2002Edition V1.4.1SOUTH AFRICAN NATIONAL STANDARD Fixed Radio Systems; Point-to
4、-point equipment; Parameters for radio system for the transmission of digital signals operating in the frequency range 24,50 GHz to 29,50 GHz This national standard is the identical implementation of ETSI EN 300431:2002 and is adopted with the permission of the European Telecommunications Standards
5、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 300431:2005 Edition 1 ETSI EN 300431:2002 Edition V1.4.1 Table of changes Change No.
6、Date Scope Abstract Specifies the minimum performance parameters for terrestrial fixed service radio communications equipment operating in the frequency range 24,50 GHz to 29,50 GHz. Keywords architecture, DRRS, PDH, point-to-point, radio, SDH, transmission. National foreword This South African stan
7、dard 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 regulated by the Independent Communications Authority of South Africa
8、 (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. European Standard (Telecommunications series) Fixed Radio Systems; Point-to-point equipment; Parameters for radio system for th
9、e transmission of digital signals operating in the frequency range 24,58 GHz to 29,50 GHz Reference Keywords architecture, BRRS, PDH, point-to-point, radio, SBH, transmission 650 Route des kucioles F-06924 Sohia Antiolis Cedex - FRANCE Siret No 348 623 562 0001 7 - NAF 742 C Association a but non iu
10、cratif enregistree la Sous-Prefecture de Grasse (06) No 7803188 Individual copies of the present document can be downloaded from: hitp:/ww,etsi.org The present document may be made available in more than one electronjc version or in print. Bus, any case of existing or perceived difference in content
11、s between such versions, the reference 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 ETSE Secretariat. Users of the present document should be aware that the document
12、may be subject to revision or change of status. Information on the current status of this and other ETSl documen%s is available at Essetztial, or-potentially Essential, IPRs notiJied to ETSI in respect of ETSIstandards“, which is available from the ETSI Secretariat. Latest updates are available on t
13、he ETSI Web server (11ttp:!l7ebapp.ctsi.orgiIPR/11oine.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. IVo guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server)
14、 which are, or may be, or may become, essential to the present document. This European Standard (Telecomnunications series) has been produced by ETSI Technical Comnttee Transmission and Multiplexing (TM. This new version modifies only class 5b spectrum mask giving more allowance for practical isnple
15、mentations, without modifying any other requirements, and proposed design objectives for class 5a BER versus RSL. National transposition dates Date of adoption of this EN: I Dale of latest announcement of this EN (doa): Date of latest publcaron of new Natonal Standard or endorsement oftks EN (dople)
16、: / Dare of withdaavdal of any conflicting Xational Standard (dow). 12 J uiy 2002 3 I October 2002 30 April 2003 40 April 2964 Scope The present document specifies the minimum performance parameters for terrestrial fixed service radio communications equipments operating in the frequency range 24,50
17、CHz to 29,50 GHz and contains a revision from the previous version, in the areas of - introduction of unique system type codes for regulatory reference to the various system types detailed in the present document, refer to new annex C and related categories of equipment classes of spectral efficienc
18、y; - additional systems with higher spectmm efficiency in the new class 4 systems; - change of spectrum mask and adjacent channel selectivity of STM-0 systems in 28 MHz channel spacing to align to EN 300 639 34; - introduction of new spectrum efficiency class 5 for STM-1 capacity for 28 MHz Adjacent
19、 Channel Alternate-Polarization (ACAP as class 5a) and Adjacent Channel Co-Polarization (ACCP as class 5b), see exampies of the spectrum usage in figures 1. la and 1. lb; - change to spectmm mask for class 4 (340 Muntls to 155 Mbrds) at “f5“ to alngn with tne mask ased 111 the 23 GHz and 3 8 GHz sta
20、ndards. NOTE: En a previous version (ETS 300 43 1 i47), there was provisioa for: - further options for Grade A digital radao sysiems (wth i 12 MHz charnel separation); - specfic antenna radiataon patterns (now saperseded by EN 400 843 4) These optlons are not reprinted an the present document as the
21、y are considered to be no longer of anterest for ETSi members However, for regulatory purposes, they may stall be referenced from ETS 300 431 1371 Digital systems are intended to be used for point-to-point connections in local and regionai networks at data rates between 2 Mbitls and the Synchronous
22、Transport Module, Level I (STM-1). The parameters to be specified fall into two categories: a) those that are reqmred to provide compatibility between channels from different sources of equipment on the same route, connected either: - to separate antennas; or - to separate polarizations of the same
23、antenna. b) parameters defining the transmission quality of the proposed system. The present document deals with Radio Frequency (RF) and baseband characteristics relevant to low, medium and high capacity Plesiochronous Digital Hierarchy (PDH) transmission systems, STM-0 and STM-1 Synchronous Digita
24、l Hierarchy (SDH) transmission systems. Antennalfeeder system requirements are covered in EN 300 833 3. For digital systems, with capacities up to 34 Mbitls, for class 2 equipment there are also two types of equipment specified: - grade A equipment, intended for applications where moderate frequency
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