1、 TSB-88.1-D-1 October 2013WIRELESS COMMUNICATIONS SYSTEMS PERFORMANCE IN NOISE AND INTERFERENCE-LIMITED SITUATIONS Part 1: Recommended Methods for Technology Independent Performance Modeling NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminati
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6、. (From Project No. TIA-PN-88.1-D-1, formulated under the cognizance of the TIA TR-8 Mobile and Personal Private Radio Standards, TR-8.18 Subcommittee on Wireless Systems Compatibility- Interference and Coverage). Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Technology (b) there is no assura
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19、 A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA TSB-88.1-D-1 i Foreword (This foreword is not part of this addendum) Subcommittee TR-8.18 of TIA Committee TR-8 prepared and approved this Addendum. Changes in tec
20、hnology, refarming existing frequency bands, proposed band reorganizations and new allocations, plus increased reporting of interference have increasingly occurred. These events necessitate keeping the TSB-88 documents current to assure the documents provide the most appropriate methodology of model
21、ing the various interference mechanisms to support frequency coordinators in determining the best assignments to be made for the available pool of frequencies and mixtures of technology. Additionally, inclusion word for word, of information contained in documents referenced in TSB-88 complicates kee
22、ping the TSB-88 documents current. Changes in the wording of cited references often lead to confusing conflicts between the specific reference and TSB-88 which continue to exist until such time as TSB-88 can be revised. This problem is specifically highlighted by conflicts in the wording used in Ann
23、ex E of TSB-88.1-D and the most current wording used in the specific references. To eliminate current conflicts TR-8.18 has adopted this addendum, which simply replaces Annex E in TSB-88.1-D with the revised Annex E contained in this document. TIA TSB-88.1-D-1 ii Patent Identification The readers at
24、tention is called to the possibility that compliance with this document may require the use of one or more inventions covered by patent rights. By publication of this document no position is taken with respect to the validity of those claims or any patent rights in connection therewith. The patent h
25、olders so far identified have, we believe, filed statements of willingness to grant licenses under those rights on reasonable and nondiscriminatory terms and conditions to applicants desiring to obtain such licenses. The following patent holders and patents have been identified in accordance with th
26、e TIA intellectual property rights policy: No patents have been identified. TIA shall not be responsible for identifying patents for which licenses may be required by this document or for conducting inquiries into the legal validity or scope of those patents that are brought to its attention. TIA TS
27、B-88.1-D-1 iii TABLE OF CONTENTS 1. ADDENDUM INTRODUCTION 1 2. ADDENDUM SCOPE . 1 3. SPECIFIC CHANGE TO TSB-88.1-D 1 TIA TSB-88.1-D-1 iv This page left intentionally blank. TIA TSB-88.1-D-1 1 1. Addendum Introduction The purpose of this addendum is to replace Annex E in TSB-88.1-D with a new Annex E
28、, to eliminate inconsistencies and the resultant confusion that exists between the wording used in Annex E and the actual wording contained in the latest versions of the referenced documents cited in Annex E of TSB-88.1-D. 2. Addendum Scope This addendum simply replaces Annex E of TSB-88.1-D in toto
29、. No other changes in TSB-88.1-D are contained in this addendum or intended to be effectuated by this addendum. 3. Specific Change to TSB-88.1-D This addendum requires the deletion of Annex E in TSB-88.1-D and replacement of that Annex, in toto, with the information indented below. Annex E. Emission
30、 Designators (Informative) E.1 General The purpose of this Bulletin is to provide a method for examining potential frequency selections to minimize the potential interference between disparate modulations utilizing disparate channel bandwidths during frequency coordination. The use of the emission d
31、esignator is essential to identifying the modulations being used and their associated receiver parameters. Annex A contains the recommended emission designators for each documented modulation. Manufacturers publish their emission designators on specification sheets. Todays radios are often capable o
32、f multiple waveforms (modulations) and it is common for a licensee to use a single worst case (widest) modulation to cover all cases on their license with a single emission designator. In doing this, the essential information for determining the actual modulation may be lost making the coordination
33、process less efficient. The FCC, NTIA and ITU provide rules and methodology for determining the appropriate emission designator and references are listed below. The latest versions for each of the documents listed in E.2 should be verified when consulting the cited reference. E.2 Emission Designator
34、 References E.2.1 FCC (Title 47, Code of Federal Regulations - Telecommunications) 47 CFR 2.201 Emission, modulation, and transmission characteristics 47 CFR 2.202 Bandwidths 47 CFR 2.1049 Occupied bandwidth measurement TIA TSB-88.1-D-1 2 47 CFR 90.207 Types of emissions 47 CFR 90.209 Bandwidth limi
35、tations 47 CFR 90.210 Emission masks 47 CFR 90.213 Frequency stability 47 CFR 90.233 Base/mobile non-voice operations E.2.2 NTIA (Manual of Regulations and Procedures for Federal Radio Frequency Management) 5.1.5 Terminology 6.3 Emission Designators 9.8.1 -16. EMSEmission Designator Annex J, Guidanc
36、e for Determination of Necessary Bandwidth E.2.3 ITU-R Spectrum Management SM Rec. ITU-R SM.328 Spectra and bandwidth of emissions Rec. ITU-R SM.853 Necessary bandwidth Rec. ITU-R SM.1138 Determination of necessary bandwidths including examples for their calculation and associated examples for the d
37、esignation of emissions. ITU-R Radio Regulations, Volume 2, Radio Regulations Appendices, Appendix 1(REV.WRC-12), Classification of emissions and necessary bandwidths E.3 Additional Discussion For additional discussion on emission designators, see 5.6.5.1. THE TELECOMMUNICATIONS INDUSTRY ASSOCIATION
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