TIA-902 CBAB-2008 Radio Communications Performance Recommendations for Public Safety Wideband Data Equipment Using Isotropic Orthogonal Transform Algorithm (IOTA)《关于采用等方性正交传输算法(IOT.pdf

1、 TIA-902.CBAB-2008 APPROVED: MARCH 1, 2008 REAFFIRMED: AUGUST 15, 2013 TIA-902.CBAB March 2008Radio Communications Performance Recommendations for Public Safety Wideband Data Equipment Using Isotropic Orthogonal Transform Algorithm (IOTA) NOTICE TIA Engineering Standards and Publications are designe

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6、ability of regulatory limitations before its use. (From Project No. 3-0171-RF1, formulated under the cognizance of the TIA TR-8 Mobile and Personal Private Radio Standards, TR-8.6 Subcommittee on Equipment Performance Recommendations). Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Technology

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19、NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-902.CBAB iiiForeword This foreword is not part of this standard. This document was prepared by the TR 8.6 Performance Standards subcommittee.

20、 It is one member of the TIA-902 family of standards based on Isotopic Orthogonal Transform Algorithm (IOTA) technology for transmission of high speed digital data signals on RF channels of bandwidth 50, 100 or 150 kHz. There are two Annexes in this standard, both of which are informative and are no

21、t considered as part of this standard. NOTE: The users attention is called to the possibility that compliance with this document may require use of one or more inventions covered by patent rights. By publication of this TIA Publication, no position is taken with respect to the validity of those clai

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24、ing inquiries into the legal validity or scope of those patents that are brought to its attention. TIA-902.CBAB ivContents 1 INTRODUCTION 1 1.1 Scope 1 1.2 Object 1 1.3 References1 1.4 Standard Definitions .3 1.5 Standard Test Conditions.3 1.6 Characteristics of Test Equipment .3 2 METHODS OF MEASUR

25、EMENT .3 3 STANDARDS FOR ALL EQUIPMENT.3 3.1 Receiver Section.4 3.1.1 Radiated Spurious Field Strength 4 3.1.2 Conducted Spurious Output Power .5 3.1.3 Power Line Conducted Spurious Output Voltage5 3.1.4 Receiver Sensitivity 6 3.1.5 Faded Receiver Sensitivity.7 3.1.6 Adjacent Channel Rejection 10 3.

26、1.7 Co-Channel Rejection . 11 3.1.8 Spurious Response Rejection. 11 3.1.9 Intermodulation Rejection 12 3.1.10 Average Radiation Sensitivity 12 3.1.11 Message Error Rate Floor . 13 3.2 Transmitter Section 13 3.2.1 RF Output Power . 13 3.2.2 Operating Frequency Accuracy. 13 3.2.3 Unwanted Emissions: R

27、adiated Spurious 14 3.2.4 Unwanted Emissions: Conducted Spurious . 15 3.2.5 Unwanted Emissions: Non-Spurious Adjacent Channel Power Ratio. 15 3.2.6 Intermodulation Attenuation 18 3.2.7 Radiated Output Power . 18 3.2.8 Conducted Spurious Emission into VSWR. 19 3.2.9 Error Vector Magnitude . 19 3.3 Ti

28、ming Measurements 19 3.3.1 TDM Temporal Offset 19 3.4 Unit Characteristics 20 3.4.1 Power Supply Voltage Range . 20 3.4.2 Temperature Range 22 3.4.3 High Humidity. 23 3.4.4 Vibration Stability . 24 3.4.5 Shock Stability . 24 3.4.6 Battery Life . 25 TIA-902.CBAB v3.4.7 Dimensions 26 3.4.8 Weight 26 3

29、.4.9 Other Environmental 26 Annex A - Measurement Uncertainty (Informative) . 31 A.1 Introduction 31 A.2 Definitions. 31 A.2.1 Accuracy 31 A.2.2 Measurand . 31 A.2.3 Error 31 A.2.4 Bias and Systematic Error. 32 A.2.5 Random Error 32 A.2.6 RSS Errors. 32 A.2.7 Precision. 32 A.2.8 Uncertainty. 32 A.2.

30、9 Confidence Limits 32 A.3 Principles for Calculating Measurement Uncertainties. 33 A.3.1 General. 33 A.3.2 Types of Errors 33 A.3.2.1 Random Errors. 33 A.3.2.2 Bias Errors . 33 A.3.3 Propagation of Errors. 35 A.3.3.1 General. 35 A.3.3.2 Propagation of Random Errors . 36 A.3.4 Converting Power Error

31、s Expressed in dB to Percentage. 36 A.3.5 Mismatch Uncertainty and Mismatch Loss . 37 A.3.6 Sensitivity of Transmitter Output to Load 37 A.3.7 Correcting rms Measurements for the Effects of rms Residuals . 39 A.3.8 Correcting Peak Measurements for the Effects of Residuals 40 A.4 BIBLIOGRAPHY (inform

32、ative) 40 Annex B Example Calculations (Informative) . 41 B.1 Example Calculations for Receiver Measurements . 41 B.1.1 Radiated Spurious Field Strength . 41 B.1.2 Conducted Spurious Output Power 41 B.1.3 Power Line Conducted Spurious Output Voltage. 41 B.1.4 Receiver Sensitivity . 42 B.1.5 Faded Re

33、ceiver Sensitivity 42 B.1.6 Adjacent Channel Rejection 42 B.1.7 Co-channel Rejection 43 B.1.8 Spurious Response Rejection. 43 B.1.9 Intermodulation Rejection 44 B.1.10 Average Radiation Sensitivity 44 B.1.11 Message Error Rate Floor . 44 B.2 Example Calculations for Transmitter Measurements . 45 B.2

34、.1 RF Output Power . 45 B.2.2 Operating Frequency Accuracy. 45 B.2.3 Unwanted Emissions: Radiated Spurious 46 B.2.4 Unwanted Emissions: Conducted Spurious . 46 TIA-902.CBAB viB.2.5 Unwanted Emissions: Non Spurious Adjacent Channel Power. 47 B.2.6 Intermodulation Attenuation 47 B.2.7 Radiated Power O

35、utput . 48 B.2.8 Conducted Spurious Emissions into VSWR. 48 B.2.9 Error Vector Magnitude . 48 B.3 Timing Measurements. 49 B.3.1 TDM Temporal offset. 49 TIA-902.CBAB viiRevision History Version Date Description TIA-902.CBAB March 2008 Initial publication TIA-902.CBAB viiiThis page intentionally left

36、blank TIA-902.CBAB 11 INTRODUCTION 1.1 Scope This standard provides definition, methods of measurement, and performance standards for radio equipment used in the Private (Dispatch) Land Mobile Services that employ Isotropic Orthogonal Transform Algorithm modulation (IOTA), for transmission and recep

37、tion of data using digital techniques, with or without encryption, with a frequency of 1 GHz or less. The definition and description of the system in which this equipment operates is given in the document (TIA-902-A). The TIA Wide Air Interface standard (TIA-902.BBAA) defines the requirements of bot

38、h the Physical Layer and the Data Link Layer in the OSI reference model for the radio interface in which this equipment operates. Use of this standard is encouraged for any application of similar equipment with IOTA modulation, and may be applicable to equipment other than those listed above. Howeve

39、r, this standard is not intended to cover transceiver equipment employing any or all modulation types or access methods. Therefore, the applicability of this document to digital transceiver equipment other than that called out in the scope must be carefully examined. 1.2 Object The object of this do

40、cument is to serve as a performance level benchmark for assessing interoperable digitally modulated radio equipment compliant with TIA- 902.BBAB using measurement methods defined in companion document TIA- 902.CBAA, and selected federal standards as noted in clause 1.3 herein. 1.3 References The fol

41、lowing standards contain provisions that, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the p

42、ossibility of applying the most recent editions of the standards published by them. 1 TIA-902.BBAB Wideband Air Interface Isotropic Orthogonal Transform Algorithm (IOTA) Physical Layer Specification Public Safety Wideband Data Standards Project Digital Radio Technical Standards. March 2003, Telecomm

43、unications Industry Association. TIA-902.CBAB 22 TIA-902.BAAC Wideband Air Interface Media Access Control (MAC) Physical Layer Specification Public Safety Wideband Data Standards Project Digital Radio Technical Standards. February 2007, Telecommunications Industry Association. 3 TIA-902.BBAD Wideban

44、d Air Interface Radio Channel Coding (IOTA) Specification Public Safety Wideband Data Standards Project Digital Radio Technical Standards. August 2003, Telecommunications Industry Association. 4 TIA-902.CAAB Radio Communications Public Safety Wideband Data Equipment Measurement Methods. 2003, Teleco

45、mmunications Industry Association. 5 IEC CISPR publication 16-1; (1993); Radio disturbance and immunity measuring apparatus“; Am.1 (1997): “Specification for radio disturbance and immunity measuring apparatus and methods“, IEC 6 ANSI C63.4-2001 “American National Standard for Methods of Measurement

46、of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz”, 1992,ANSI 7 ITU-T 0.153 ”Basic Parameters For The Measurement Of Error Performance At Bit Rates Below The Primary Rate”, 10/1992, ITU 8 47 CFR, Code of Federal Regulations, Telecommunicati

47、ons, October 1. 2001, Manual of Regulations and Procedures for Federal Radio Frequency Management TIA-902.CBAB 31.4 Standard Definitions These are described in TIA/-902.CBAA, clause 1.4. 1.5 Standard Test Conditions These are described in TIA-902.CBAA, clause 1.5 1.6 Characteristics of Test Equipmen

48、t These are described in TIA-902.CBAA, clause 1.2 METHODS OF MEASUREMENT These are described in section 2 of TIA- 902.CBAA; and, MIL-STD-810E and MIL-STD-167 for additional environmental exposure standards for radios to be used in applications calling for stringent environmental performance. 3 STAND

49、ARDS FOR ALL EQUIPMENT This section details the performance standards under specified conditions for land mobile communications equipment for public safety and non-public safety applications as defined below. Clauses herein (e.g. - 3.x.y) refer to an associated clause in Section 2 (i.e. - 2.x.y) contained in TIA- 902.CBAA. Mobile communications equipment are radio transmitters, receivers, or any combinations of these which are capable of, or the manufacturers intentions include, or a reasonable users expectations encompass providing communications in a non-stationary en