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    TIA TSB-88 2-E-2016 Wireless Communications Systems Performance in Noise and Interference Limited Situations Part 2 Propagation and Noise.pdf

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    TIA TSB-88 2-E-2016 Wireless Communications Systems Performance in Noise and Interference Limited Situations Part 2 Propagation and Noise.pdf

    1、 TSB-88.2-E January 2016Wireless Communications Systems Performance in Noise and Interference Limited Situations Part 2: Propagation and Noise NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and p

    2、urchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for their particular need. The existence of such Standards and Publications shall not in any respect preclude any member or non-member

    3、of TIA from manufacturing or selling products not conforming to such Standards and Publications. Neither shall the existence of such Standards and Publications preclude their voluntary use by Non-TIA members, either domestically or internationally. Standards and Publications are adopted by TIA in ac

    4、cordance with the American National Standards Institute (ANSI) patent policy. By such action, TIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard or Publication. This Standard does not purport to address all safety proble

    5、ms associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations before its use. Any use of trademarks in this document are for

    6、 information purposes and do not constitute an endorsement by TIA or this committee of the products or services of the company. (From Project No. TIA-PN-88.2-E, formulated under the cognizance of the TIA TR-8 Mobile and Personal Private Radio Standards, TR-8.18 Subcommittee on Wireless Systems Compa

    7、tibility- Interference and Coverage). Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Technology (b) there is no assurance that the Document will be approved by any Committee of TIA or any other body in its present or any other form; (c) the Document may be amended, modified or changed in the s

    8、tandards development or any editing process. The use or practice of contents of this Document may involve the use of intellectual property rights (“IPR”), including pending or issued patents, or copyrights, owned by one or more parties. TIA makes no search or investigation for IPR. When IPR consisti

    9、ng of patents and published pending patent applications are claimed and called to TIAs attention, a statement from the holder thereof is requested, all in accordance with the Manual. TIA takes no position with reference to, and disclaims any obligation to investigate or inquire into, the scope or va

    10、lidity of any claims of IPR. TIA will neither be a party to discussions of any licensing terms or conditions, which are instead left to the parties involved, nor will TIA opine or judge whether proposed licensing terms or conditions are reasonable or non-discriminatory. TIA does not warrant or repre

    11、sent that procedures or practices suggested or provided in the Manual have been complied with as respects the Document or its contents. If the Document contains one or more Normative References to a document published by another organization (“other SSO”) engaged in the formulation, development or p

    12、ublication of standards (whether designated as a standard, specification, recommendation or otherwise), whether such reference consists of mandatory, alternate or optional elements (as defined in the TIA Procedures for American National Standards) then (i) TIA disclaims any duty or obligation to sea

    13、rch or investigate the records of any other SSO for IPR or letters of assurance relating to any such Normative Reference; (ii) TIAs policy of encouragement of voluntary disclosure (see TIA Procedures for American National Standards Annex C.1.2.3) of Essential Patent(s) and published pending patent a

    14、pplications shall apply; and (iii) Information as to claims of IPR in the records or publications of the other SSO shall not constitute identification to TIA of a claim of Essential Patent(s) or published pending patent applications. TIA does not enforce or monitor compliance with the contents of th

    15、e Document. TIA does not certify, inspect, test or otherwise investigate products, designs or services or any claims of compliance with the contents of the Document. ALL WARRANTIES, EXPRESS OR IMPLIED, ARE DISCLAIMED, INCLUDING WITHOUT LIMITATION, ANY AND ALL WARRANTIES CONCERNING THE ACCURACY OF TH

    16、E CONTENTS, ITS FITNESS OR APPROPRIATENESS FOR A PARTICULAR PURPOSE OR USE, ITS MERCHANTABILITY AND ITS NONINFRINGEMENT OF ANY THIRD PARTYS INTELLECTUAL PROPERTY RIGHTS. TIA EXPRESSLY DISCLAIMS ANY AND ALL RESPONSIBILITIES FOR THE ACCURACY OF THE CONTENTS AND MAKES NO REPRESENTATIONS OR WARRANTIES R

    17、EGARDING THE CONTENTS COMPLIANCE WITH ANY APPLICABLE STATUTE, RULE OR REGULATION, OR THE SAFETY OR HEALTH EFFECTS OF THE CONTENTS OR ANY PRODUCT OR SERVICE REFERRED TO IN THE DOCUMENT OR PRODUCED OR RENDERED TO COMPLY WITH THE CONTENTS. TIA SHALL NOT BE LIABLE FOR ANY AND ALL DAMAGES, DIRECT OR INDI

    18、RECT, ARISING FROM OR RELATING TO ANY USE OF THE CONTENTS CONTAINED HEREIN, INCLUDING WITHOUT LIMITATION ANY AND ALL INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF BUSINESS, LOSS OF PROFITS, LITIGATION, OR THE LIKE), WHETHER BASED UPON BREACH OF CONTRACT, BREAC

    19、H OF WARRANTY, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY OR OTHERWISE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THE FOREGOING NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TSB

    20、-88.2-E i TABLE OF CONTENTS FOREWORD xiii INTRODUCTION xv 1. SCOPE . 1 1.1 The TSB-88 Series 1 1.2 TSB-88.2-E . 3 2. REFERENCES 4 3. DEFINITIONS AND ABBREVIATIONS . 5 3.1 Definitions . 5 3.2 Abbreviations 11 4. TEST METHODS 14 5. NOISE . 15 5.1 Environmental RF Noise . 15 5.2 Environmental RF Noise

    21、Data . 15 5.2.1 Measurements Referenced to Land Cover Categories 15 5.2.2 Historical RF Noise Data . 20 5.3 RF Noise Measurement Methodology . 21 5.3.1 Receiver Selection . 21 5.3.2 Antenna Selection . 21 5.3.3 RF Noise Measurement in a Mobile Environment . 22 5.3.4 Fixed RF Noise Measurement . 26 5

    22、.3.5 Site Isolation 26 5.4 Symbolic RF Noise Modeling and Simulation Methodology 27 5.4.1 Receiver/Multicoupler Interference 27 5.4.2 Intermodulation 28 5.4.3 The Symbolic Method 31 5.4.4 Multicoupler Parametric Values . 35 5.4.5 Non-Coherent Power Addition Discussion . 36 5.4.6 Determining Unknown

    23、Power from Sum Plus One Known Value 38 5.5 Noise-Adjusted Faded Performance Threshold 39 6. ELECTROMAGNETIC WAVE PROPAGATION PREDICTIONS 41 6.1 Sub-Gigahertz Prediction Models Compared 41 6.1.1 Bullington Bullington 47, 57, 77 . 41 6.1.2 FCC (R-6406 Assessing and quantifying the interference impact

    24、between narrowband technologies and broadband technologies; Address the methodology of minimizing system interference between current or proposed Noise Limited Systems in spectral and spatial proximity to current or proposed Interference Limited Systems; Assessing and quantifying the impact of new n

    25、arrowband/bandwidth efficient digital and analog technologies on existing analog and digital technologies; Address the methodology to minimize intersystem interference between systems at national boundaries; Accommodating the design and frequency coordination of bandwidth-efficient narrowband techno

    26、logies likely to be deployed as a result of the Federal Communications Commission “Spectrum Refarming” efforts; and Accommodating the design and frequency coordination of broadband technologies to be deployed in support of FirstNets nationwide interoperable broadband public safety network; The TSB-8

    27、8 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 Coordination Committee (NCC). In 200

    28、3, the National Public Safety Telecommunications Council (NPSTC) assumed the reponsibilites of NCC1 This document TSB-88.2-E is intended to address propagation and noise issues within the context described above. 1NPSTCs Broadband Requirements Report “Defining Public Safety Grade Systems and Facilit

    29、ies“ describes best practices for coverage modeling based on recommendations from TSB-88 NPSTC 14. TSB-88.2-E x BLANK PAGE TSB-88.2-E 1 Wireless Communications Systems Performance in Noise and Interference-Limited Situations Part 2: Propagation and Noise 1. SCOPE 1.1 The TSB-88 Series The TSB-88 ser

    30、ies of bulletins gives guidance on the following areas: Establishment of standardized methodology for modeling and simulating either narrowband/bandwidth efficient technologies or broadband technologies; Establishment of a standardized methodology for empirically confirming the performance of either

    31、 narrowband/bandwidth efficient systems or broadband systems; Aggregating the modeling, simulation and empirical performance verification reports into a unified “Spectrum Management Tool Kit“ which can be employed by frequency coordinators, systems engineers, software developers, and system operator

    32、s; Recommended databases that are available for improved results from modeling and simulation; and Providing current information for new and emerging bands. The purpose of these documents is to define and advance a scientifically sound standardized methodology for addressing technology compatibility

    33、. This document provides a formal structure and quantitative technical parameters from which automated design and spectrum management tools can be developed based on proposed configurations that can temporarily exist during a migration process or for longer term solutions for systems that have diffe

    34、rent technologies. As wireless communications systems evolve, the complexity in determining compatibility between different types of modulation, different operational geographic areas, and application usage increases. Spectrum managers, system designers and system maintainers have a common interest

    35、in utilizing the most accurate and repeatable modeling and simulation capabilities to determine likely wireless communication system performance. A standardized approach and methodology is needed for the modeling and simulation of wireless communications system performance, considering both analog a

    36、nd digital practices in all frequency bands of interest. TSB-88.2-E 2 In addition, subsequent to wireless communications system implementation, validity or acceptance testing is often an issue subject to much debate and uncertainty. Long after a system is in place and optimized, future interference

    37、dispute resolution demands application of a unified quantitative methodology for assessing system performance and interference. These documents also provide a standardized definition and methodology to a process for determining when various wireless communications configurations are compatible. The

    38、document contains performance recommendations for public safety and non-public safety type systems that are recommended for use 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 pro

    39、of-of-performance and acceptance testing and in dispute resolution of interference cases. To provide this utility necessitates that specific manufacturers define various performance criteria for the different modulations and their specific implementations. Furthermore, sufficient reference informati

    40、on is provided so that software applications can be developed and employed to determine if the desired system performance can be realized. Wireless system performance can be modeled and simulated with the effects of single or multiple potential distortion sources taken into account. These sources in

    41、clude: Performance parameters Co-channel users Off-channel users Internal noise sources External noise sources Equipment non-linearity Transmission path geometry Delay spread and differential signal phase Over the air and network protocols Performance verification methods Predictions of system perfo

    42、rmance can then be 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 accurately simulate actual usage and considers both signal magnitude and phase attributes. It is anticipated th

    43、at this series of documents will serve as the standard reference for developers and suppliers of land mobile communications system design, modeling, simulation and spectrum management software and automated tools. TSB-88.2-E 3 1.2 TSB-88.2-E This document, Part 2 of TSB-88, addresses propagation and

    44、 noise issues within the context described in 1.1, above. TSB-88.2-E 4 2. REFERENCES This Telecommunications System Bulletin contains informative information. There may be references to other TIA standards which contain normative elements. These references are primarily to indicate the methods of me

    45、asurement contained in those documents. At the time of publication, the edition indicated 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

    46、Section 3. ANSI and TIA maintain registers of currently valid national standards published by them. TSB-88.2-E 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

    47、still might have to be defined for the compatibility aspects. Additional TIA references will also be included as applicable. 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 100-2000 Standard

    48、 Dictionary IEEE Recommendation ITU-R P.1407-4 ITU3 TIA-845-B 845 TSB-88.1-D 88.1 TSB-88.3-D 88.3 TSB-88.42 88.4 The preceding documents are referenced in this bulletin. At the time of publication, the editions indicated were valid. All such documents are subject to revision, and parties to agreemen

    49、ts based on this document are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below: 3.1 Definitions For the purposes of this document, the following definitions apply: ACCPR Adjacent Channel Coupled Power Ratio: The ratio of the average power of a transmitter under prescribed conditions and moduation to the energy coupled into a victim receiver. The selectivity of the victims receiver, the offset frequency and the Spectral Power Densi


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