1、 TIA-102.CAAB-D (Revision of TIA-102.CAAB-C) February 2013Project 25 Land Mobile Radio Transceiver Performance Recommendations, Digital Radio Technology C4FM/CQPSK Modulation ANSI/TIA-102.CAAB-D-2013 APPROVED: FEBRUARY 5, 2013 NOTICE TIA Engineering Standards and Publications are designed to serve t
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6、egulatory limitations before its use. (From Project No. ANSI/TIA-PN-102.CAAB-D, formulated under the cognizance of the TIA TR-8 Mobile and Personal Private Radio TR-8.6 Subcommittee on Equipment Performance Recommendation). Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Standards and Technolog
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22、NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. ANSI/TIA-102.CAAB-D i FOREWORD (This foreword is not part of this Standard) This Standard was developed and will be maintained by the TR-8.6 Equi
23、pment Performance Recommendations Subcommittee of the TR-8 Land Mobile Services Committee. Participating in its development were radio equipment and measuring instrument manufacturers as well as representatives of public safety user groups from the Association of Public Safety Communications Officia
24、ls, International (APCO), the National Association of State Telecommunications Directors (NASTD), and numerous federal government agencies. If the abbreviation “P25” or the wording “Project 25” appears on the cover sheet of this document when published or in the title of any TIA-102 document or Tele
25、communications Service Bulletin (TSB) referenced herein, that indicates the APCO/NASTD/FED Project 25 Steering Committee has adopted the document as part of the Standard. The appearance of the abbreviation “P25” or the wording “Project 25” on the cover sheet of this document or in the title of any d
26、ocument referenced herein should not be interpreted as limiting the applicability of the information contained in any document to “P25” or “Project 25” implementations exclusively. This standard provides the standard limit values for the equipment characteristics assessed by the measurement methods
27、described in ANSI/TIA-102.CAAA-D, Digital C4FM/CQPSK Transceiver Measurement Methods. Should the Federal Communications Commission (FCC) adopt a change to FCC Rules that impacts a requirement cited herein, such change supersedes the requirement cited herein during the period between the time the FCC
28、 adopted change is effective and the time this document is revised to reflect the updated requirement citation. This revision of the Standard incorporates equipment performance characteristics per the revised receiver measurement methods as defined in ANSI/TIA-102.CAAA-D, This Standard was approved
29、for publication during the TBD meeting of Subcommittee TR 8.6. When published this standard cancels and replaces predecessor document ANSI/TIA102.CAAB-C (November, 2009) There are two annexes in this Standard, The annexes, A and B, are informative and are not considered part of this Standard. ANSI/T
30、IA-102.CAAB-D ii Table of Contents 1 Introduction 1 1.1 Scope . 1 1.2 Object . 1 1.3 Standard Definitions . 1 1.4 Standard Test Conditions . 1 1.5 Characteristics of Test Equipment 1 1.6 Normative Reference Documents 1 1.7 Revision History 2 2 Methods of Measurements . 2 3 Standards for all equipmen
31、t . 2 3.1 Receiver Section 4 3.1.1 Radiated Spurious Field Strength . 4 3.1.2 Conducted Spurious Output Power . 4 3.1.3 Power Line Conducted Spurious Output Voltage 4 3.1.4 Reference Sensitivity . 5 3.1.5 Faded Reference Sensitivity . 5 3.1.6 Signal Delay Spread Capability . 5 3.1.7 Adjacent Channel
32、 Rejection 6 3.1.8 Co-Channel Rejection . 6 3.1.9 Spurious Response Rejection . 7 3.1.10 Intermodulation Rejection 7 3.1.11 Signal Displacement Bandwidth 7 3.1.12 Audio Output Distortion . 7 3.1.13 Residual Audio Noise Ratio . 8 3.1.14 Average Radiation Sensitivity 8 3.1.15 Acoustic Audio Output . 8
33、 3.1.16 Bit Error Rate Floor . 9 3.1.17 Late Entry Unsquelch Delay 9 3.1.18 Receiver Throughput Delay . 9 3.1.19 Blocking Rejection . 9 3.2 Transmitter Section 10 3.2.1 RF Output Power . 10 3.2.2 Operating Frequency Accuracy . 10 3.2.3 Electrical Audio Performance 11 3.2.4 Acoustic Audio Performance
34、 . 11 3.2.5 Modulation Emission Spectrum . 11 3.2.6 Unwanted Emissions: Radiated Spurious . 12 3.2.7 Unwanted Emissions: Conducted Spurious 13 3.2.8 Unwanted Emissions: Non-Spurious Adjacent Channel Power Ratio . 13 3.2.9 Intermodulation Attenuation 14 ANSI/TIA-102.CAAB-D iii 3.2.10 Radiated Power O
35、utput . 15 3.2.11 Conducted Spurious Emissions into VSWR 16 3.2.12 Transmitter Power and Encoder Attack Time 16 3.2.13 Transmitter Power and Encoder Attack Time with Busy/Idle Operation 16 3.2.14 Transmitter Throughput Delay . 16 3.2.15 Frequency Deviation for C4FM . 17 3.2.16 Modulation Fidelity 17
36、 3.2.17 Symbol Rate Accuracy 18 3.2.18 Transient Frequency Behavior 18 3.2.19 RFSS Throughput Delay . 20 3.2.20 RFSS Idle to Busy Transition Time . 20 3.3 Trunked System Timing Characteristics . 21 3.3.1 Trunking Control Channel Slot Times . 21 3.3.2 Trunking Request Time . 21 3.3.3 Trunking Voice C
37、hannel Access Time 21 3.3.4 Time to Grant 22 3.3.5 Transmitter Time to Key on a Traffic Channel . 22 3.4 Unit Characteristics 23 3.4.1 Power Supply Voltage Range . 23 3.4.2 Temperature Range 25 3.4.3 High Humidity 26 3.4.4 Vibration Stability . 27 3.4.5 Shock Stability . 27 3.4.6 DC Supply Noise Sus
38、ceptibility . 28 3.4.7 Battery Life 28 3.4.8 Dimensions 29 3.4.9 Weight . 29 3.4.10 Other Environmental . 30 ANNEX A Measurement Uncertainty (Informative) 34 A.1 Introduction . 34 A.2 Definitions . 34 A.2.1 Accuracy 34 A.2.2 Measurand 34 A.2.3 Error 34 A.2.4 Bias and Systematic Error . 34 A.2.5 Rand
39、om Error 35 A.2.6 RSS Errors 35 A.2.7 Precision 35 A.2.8 Uncertainty 35 A.2.9 Confidence Limits 35 A.3 Principles for Calculating Measurement Uncertainties . 35 A.3.1 General 35 A.3.2 Types of Errors 35 A.3.3 Propagation of Errors 38 ANSI/TIA-102.CAAB-D iv A.3.4 Converting Power Errors Expressed in
40、dB to Percentage. 39 A.3.5 Mismatch Uncertainty and Mismatch Loss 39 A.3.6 Sensitivity of Transmitter Output to Load 40 A.3.7 Correcting rms Measurements for the Effects of rms Residuals . 41 A.3.8 Correcting Peak Measurements for the Effects of Residuals 42 ANNEX B Example Calculations (Informative
41、) 43 B.1 Example Calculations for Receiver Measurements 43 B.1.1 Radiated Spurious Emission . 43 B.1.2 Conducted Spurious Emission 43 B.1.3 Power Line Conducted Spurious Emission . 43 B.1.4 Reference Sensitivity . 44 B.1.5 Faded Reference Sensitivity . 44 B.1.6 Signal Delay Spread Capability . 44 B.
42、1.7 Adjacent Channel Rejection 45 B.1.8 Co-channel Rejection 45 B.1.9 Spurious Response Rejection . 45 B.1.10 Intermodulation Rejection 46 B.1.11 Signal Displacement Bandwidth 46 B.1.12 Audio Output Distortion . 46 B.1.13 Residual Audio Noise Ratio . 47 B.1.14 Average Radiation Sensitivity 47 B.1.15
43、 Acoustic Audio Output . 47 B.1.16 Bit Error Rate Floor . 47 B.1.17 Late Entry Unsquelch Delay 48 B.1.18 Receiver Throughput Delay . 48 B.1.19 Blocking Rejection . 48 B.2 Example Calculations for Transmitter Measurements 49 B.2.1 RF Output Power . 49 B.2.2 Operating Frequency Accuracy . 49 B.2.3 Ele
44、ctrical Audio Performance 50 B.2.4 Acoustic Audio Performance . 50 B.2.5 Modulation Emission Spectrum . 50 B.2.6 Radiated Spurious Emissions . 50 B.2.7 Conducted Spurious Emissions 51 B.2.8 Adjacent Channel Power Ratio . 52 B.2.9 Intermodulation Attenuation 52 B.2.10 Average Radiated Power Output .
45、53 B.2.11 Conducted Spurious Emissions into VSWR 53 B.2.12 Transmitter Power and Encoder Attack Time 53 B.2.13 Transmitter Power and Encoder Attack Time with Busy/Idle Operation 54 B.2.14 Transmitter Throughput Delay . 54 B.2.15 Frequency Deviation for C4FM . 54 B.2.16 Modulation Fidelity 54 B.2.17
46、Symbol Rate Accuracy 55 B.2.18 Transient Frequency Behavior 55 B.2.19 RFSS Throughput Delay . 56 ANSI/TIA-102.CAAB-D v B.2.20 RFSS Idle to Busy Transition Time . 56 Trunking System Measurements . 57 B.2.21 Trunking Control Channel Slot Times . 57 B.2.22 Trunking Request Time . 57 B.2.23 Trunking Voi
47、ce Access Time . 57 B.2.24 Time to Grant 57 B.2.25 Transmitter Time to Key on a Traffic Channel . 57 Bibliography (Informative) . 58 ANSI/TIA-102.CAAB-D vi Blank page ANSI/TIA-102.CAAB-D 11 Introduction 1.1 Scope This Standard provides physical layer performance standards under standard conditions f
48、or 12.5 kHz channelization digitally modulated radio equipment with a maximum operating frequency of 1 GHz or less in the Private (Dispatch) Land Mobile Radio Services that employ compatible 4 level frequency modulation (C4FM) or compatible differential offset quadrature phase shift keying (CQPSK) o
49、r standard simulcast modulations for systems using digital modulation for transmission of voice or circuit switched data compliant with the Umreference point in 102.BAAA, which defines the requirements of both the Physical Layer and the Data Link Layer in the OSI reference model. Two performance levels have been distinguished herein for certain equipment characteristics. The performance level of Class B is comparable to the performance level for 12.5 kHz analog radio equipment in TIA/EIA-603-D, Land Mobile FM or PM Communications Equipment. Class A describes a higher level of perf
