1、 TSB-88.3-D October 2013WIRELESS COMMUNICATIONS SYSTEMS PERFORMANCE IN NOISE AND INTERFERENCE-LIMITED SITUATIONS Part 3: Recommended Methods for Technology Independent Performance Verification NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through elimina
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19、 A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS.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-88.3-D i TABLE OF CONTENTS FOREWORD vi INTRODUCTION vii 1. SCOPE . 1 1.1. The TSB-88 Series 1 1.2. TSB-88.3-D . 3 2. REFERENCES 4 3. DEFINITIONS AND ABBREVIATI
20、ONS . 5 3.1. Definitions . 5 3.2. Abbreviations 12 4. TEST METHODS 14 5. PERFORMANCE CONFIRMATION 17 5.1. Validated Service/Covered Area Reliability . 19 5.2. Determination of Number of Test Tiles (Outdoor only) 19 5.2.1. Estimate of Proportions . 19 5.3. Pass/Fail Test Criteria . 21 5.3.1. The “Gre
21、ater Than” Test 21 5.3.2. The “Acceptance Window” Test . 21 5.4. Confidence 21 5.4.1. Confidence Level . 21 5.4.2. Confidence Interval 21 5.5. Size Constraints Assessing and quantifying the impact of new narrowband/bandwidth efficient digital and analog technologies on existing analog and digital te
22、chnologies; Assessing and quantifying the impact of existing analog and digital technologies on new narrowband/bandwidth efficient digital and analog technologies; Addressing migration and spectrum management issues involved in the transition to narrowband/bandwidth efficient digital and analog tech
23、nologies. This includes developing solutions to the spectrum management and frequency coordination issues resulting from the narrow banding of existing spectrum considering channel spacing from 30 and 25 kHz to 15, 12.5, 7.5, and 6.25 kHz; Information on new and emerging Land Mobile bands such as th
24、e 700, 800 and 900 MHz bands; Preliminary information on narrowband and wideband data; 25, 50, 100 and 150 kHz channel bandwidths; and Address the methodology of minimizing intra system interference between current or proposed Noise Limited Systems in spectral and spatial proximity to Interference L
25、imited Systems. The TSB-88 series of documents was prepared partially in response to specific requests from three particular user organizations: the Association of Public Safety Communications Officials, International (APCO), the Land Mobile Communications Council (LMCC) and the National Coordinatio
26、n Committee (NCC).1This document, TSB-88.3-D is intended to address verification within the context described above. 1The National Public Safety Telecommunications Council (NPSTC) has assumed the responsibilities of the NCC which has been disbanded. TIA TSB-88.3-D 1 Wireless Communications Systems P
27、erformance in Noise and Interference-Limited Situations Part 3: Recommended Methods for Technology-Independent Performance Verification 1. SCOPE 1.1. The TSB-88 Series The TSB-88 series of bulletins provides guidance on the following areas: Establishment of standardized methodology for modeling and
28、simulating various and different bandwidth efficient technologies operating in a post “Refarming“ environment or in new frequency band allocations; Recommended databases and propagation models that are available for improved results from modeling and simulation; Establishment of a standardized metho
29、dology for empirically confirming the performance of various and different bandwidth efficient systems operating in a post “Refarming“ environment or in new frequency band allocations, and; Combining the modeling, simulation and empirical performance verification methods into a unified family of dat
30、a sets or procedures which can be employed by frequency coordinators, systems engineers, system operators or software developers; The purpose of these documents is to define and advance a standardized methodology to analyze compatibility of different technologies from a technology neutral viewpoint.
31、 They provide recommended technical parameters and procedures from which automated design and spectrum management tools can be developed to analyze proposed configurations that can temporarily exist during a “rebanding” migration process as well as for longer term solutions involving different techn
32、ologies. As wireless communications systems evolve, it becomes increasingly complex to determine compatibility between different types of modulation, different channel bandwidths, different operational protocols, different operational geographic areas, and application usage. Thus, spectrum managers,
33、 system designers and system maintainers have a common interest in utilizing the most accurate and repeatable modeling and simulation capabilities to determine likely system performance. With increasing spectrum allocation complexity, both in terms of modulation techniques offered, channel bandwidth
34、s available and in the number of entities involved in wireless TIA TSB-88.3-D 2 communications systems, a standardized approach and methodology is needed for the modeling and simulation of these systems, in all frequency bands of interest. In addition, after deployment, validation or acceptance test
35、ing is often an issue subject to much debate and uncertainty. Long after a system is in place and optimized, future interference dispute resolution demands application of an industry accepted and standardized methodology for assessing system performance and interference. These documents contain reco
36、mmendations for both public safety and non-public safety performance that ought to be used in the modeling and simulation of these systems. These documents also satisfy the desire for a standardized empirical measurement methodology that is useful for routine proof-of-performance and acceptance test
37、ing and in dispute resolution of interference cases that are likely to emerge in the future. To provide this utility necessitates that specific manufacturers define various performance criteria for the different capabilities and their specific implementations. Furthermore, sufficient reference infor
38、mation is provided so that software applications can be developed and employed to determine if the desired system performance has been realized. Wireless system performance can be modeled and simulated with the effects of single or multiple potential distortion sources taken into account as well as
39、the defined performance parameters and verification testing. These include: Performance parameters Co-channel users Off-channel users Internal noise sources External noise sources Equipment non-linearity Transmission path geometry and transmission loss modeling Delay spread and differential signal p
40、hase Over the air and network protocols Performance verification Predictions of system performance can then be evaluated based on the desired RF carrier versus the combined effects of single or multiple performance degrading sources. Performance is then based on a faded environment to more TIA TSB-8
41、8.3-D 3 accurately simulate actual usage considering all the identified parameters and potential degradation sources. It is anticipated that these documents will serve as a recommended best practices reference for developers and suppliers of land mobile communications system design, modeling, simula
42、tion and spectrum management software and automated tools. 1.2. TSB-88.3-D This document, Part 3 of TSB-88, addresses recommended system verification testing and identification of interference sources for narrowband systems within the context described in 1.1, limited to frequencies below 1 GHz. TIA
43、 TSB-88.3-D 4 2. REFERENCES This Telecommunications System Bulletin contains only informative information. There may be references to other TIA standards which contain normative elements. These references are primarily to indicate the methods of measurement contained in those documents. At the time
44、of publication, the edition indication was valid. All standards are subject to revision, and parties to agreements based on this document are encouraged to investigate the possibility of applying the most recent edition of the standard indicated in Section 3. ANSI and TIA maintain registers of curre
45、ntly valid national standards published by them. TIA TSB-88.3-D 5 3. DEFINITIONS AND ABBREVIATIONS There is a comprehensive Glossary of Terms, Acronyms, and Abbreviations listed in Annex-A of TIA TSB-102. In spite of its size, numerous unforeseen terms still may have to be defined for the Compatibil
46、ity aspects. Items being specifically defined for the purpose of this document are indicated as (New). All others will be referenced to their source as follows: ANSI/IEEE 100-1996 Standard Dictionary IEEE TIA-603-D 603 TSB-102- B 102/A TIA/EIA-102.CAAA-C 102.CAAA TIA/EIA-102.CAAB-C 102.CAAB Recommen
47、dation ITU-R P.1407-4 ITU3 Report ITU-R M.2014 ITU8 TIA -845-B 845 TSB-902-A 902 TIA-902.CAAB-A 902.CAAB TIA-902.CBAB 902.CBAB TSB-88.1-D 88.1 TSB-88.2-D 88.2 The preceding documents are referenced in this bulletin. At the time of publication, the editions indicated were valid. All such documents ar
48、e subject to revision, and parties to agreements based on this document are encouraged to investigate the possibility of applying the most recent editions of the standards indicated above: 3.1. Definitions For the purposes of this document, the following definitions apply: ACIPR Adjacent Channel Int
49、erference Protection Ratio Same as Offset Channel Selectivity 603 ACP Adjacent Channel Power: The energy from an adjacent channel transmitter that is intercepted by prescribed bandwith, relative to the power of the emitter. Regulatory rules determine the measurement bandwidth and offset for the adjacent channel. ACP = 1/ ACPR TIA TSB-88.3-D 6 ACPR Adjacent Channel Power Ratio: The ratio of the total power of a transmitter
