1、 TIA-102.CCAB-A (Revision of TIA-102.CCAB) March 2014Project 25 Two - Slot Time Division Multiple Access Transceiver Performance RecommendationsANSI/TIA-102.CCAB-A-2014 APPROVED: MARCH 17, 2014 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through elimin
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20、CCAB-A i FOREWORD (This foreword is not part of this Standard) This Standard was developed and will be maintained by the TR-8.6 Equipment Performance Recommendations Subcommittee of the TR-8 Land Mobile Services Committee. Participating in its development were radio equipment and test equipment manu
21、facturers as well as representatives of public safety user groups from the Association of Public Safety Communications Officials, International (APCO), the National Association of State Telecommunications Directors (NASTD), and numerous federal government agencies. This standard provides the standar
22、d limit values for the equipment characteristics assessed by the measurement methods described in TIA-102.CCAA-A, Two-Slot Time Division Multiple Access Transceiver Measurement Methods. This Standard was approved for publication during the “to be determined” meeting of Subcommittee TR 8.6. There are
23、 two annexes in this Standard, The annexes, A and B, are informative and are not considered part of this Standard. ANSI/TIA-PN-102.CCAB-A ii Blank Page ANSI/TIA-PN-102.CCAB-A iii Table of Contents 1 Introduction . 1 1.1 Scope . 1 1.2 Object 1 1.3 Standard Definitions . 1 1.4 Standard Test Conditions
24、 . 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 equipment . 2 3.1 Receiver Section 4 3.1.1 Radiated spurious emissions 4 3.1.2 Conducted spurious output power . 4 3.1.3 Power line conducted sp
25、urious 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 rejection 6 3.1.8 Co-channel rejection . 6 3.1.9 Spurious response rejection 6 3.1.10 Intermodulation rejection . 7 3.1.11 Signal displacement
26、 bandwidth . 7 3.1.12 Audio output distortion 7 3.1.13 Residual audio noise ratio . 7 3.1.14 Average radiation sensitivity 8 3.1.15 Acoustic audio output 8 3.1.16 Bit error rate floor 8 3.1.17 Blocking rejection 8 3.2 Transmitter section 10 3.2.1 RF Output power 10 3.2.2 Operating frequency accuracy
27、 .10 3.2.3 Electrical audio performance 11 3.2.4 Acoustic audio performance .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: adjacent channel power ratio .13 3.2.9 Intermodulation att
28、enuation 14 3.2.10 Average radiated power output 15 3.2.11 Conducted spurious emissions into VSWR 16 3.2.12 Frequency deviation for H-CPM .16 3.2.13 Modulation fidelity 16 3.2.14 Symbol rate accuracy .16 ANSI/TIA-PN-102.CCAB-A iv 3.2.15 H-CPM Transmitter logical channel peak adjacent channel power r
29、atio . 16 3.2.16 H-CPM Transmitter logical channel off slot power 17 3.2.17 H-CPM Transmitter logical channel power envelope 17 3.2.18 H-CPM Transmitter logical channel time alignment 17 3.3 Trunked system timing characteristics 18 3.3.1 Trunking voice access time 18 3.4 Unit characteristics 19 3.4.
30、1 Power supply voltage range . 19 3.4.2 Temperature range 21 3.4.3 High humidity . 22 3.4.4 Vibration stability 23 3.4.5 Shock stability 23 3.4.6 DC Supply noise susceptibility . 24 3.4.7 Battery life 24 3.4.8 Dimensions 25 3.4.9 Weight . 25 3.4.10 Other environmental 25 ANNEX A Measurement Uncertai
31、nty (Informative) . 29 A.1 Introduction . 29 A.2 Definitions . 29 A.2.1 Accuracy 29 A.2.2 Measurand . 29 A.2.3 Error 29 A.2.4 Bias and systematic error 29 A.2.5 Random error. 30 A.2.6 RSS errors . 30 A.2.7 Precision 30 A.2.8 Uncertainty 30 A.2.9 Confidence limits . 30 A.3 Principles for calculating
32、measurement uncertainties 30 A.3.1 General 30 A.3.2 Types of errors . 30 A.3.3 Propagation of errors . 33 A.3.4 Converting power errors expressed in dB to percentage 34 A.3.5 Mismatch uncertainty and mismatch loss . 34 A.3.6 Sensitivity of transmitter output to load 35 A.3.7 Correcting rms measureme
33、nts for the effects of rms residuals . 36 A.3.8 Correcting peak measurements for the effects of residuals 37 ANNEX B Example calculations (Informative) 38 B.1 Example calculations for receiver measurements 38 B.1.1 Radiated spurious emissions . 38 B.1.2 Conducted spurious output power 38 B.1.3 Power
34、 line conducted spurious output voltage . 38 B.1.4 Reference sensitivity 39 B.1.5 Faded reference sensitivity 39 B.1.6 Signal delay spread capability 39 ANSI/TIA-PN-102.CCAB-A v B.1.7 Adjacent channel rejection .40 B.1.8 Co-channel rejection 40 B.1.9 Spurious response rejection .40 B.1.10 Intermodul
35、ation rejection 41 B.1.11 Signal displacement bandwidth 41 B.1.12 Audio output distortion .41 B.1.13 Residual audio noise ratio 42 B.1.14 Average radiation sensitivity .42 B.1.15 Acoustic audio output .42 B.1.16 Bit error rate floor .42 B.1.17 Blocking rejection .43 B.2 Example calculations for tran
36、smitter measurements 44 B.2.1 RF Output power 44 B.2.2 Operating frequency accuracy .44 B.2.3 Electrical audio performance 45 B.2.4 Acoustic audio performance .45 B.2.5 Modulation emission spectrum .45 B.2.6 Unwanted emissions: radiated spurious .45 B.2.7 Unwanted emissions: conducted spurious .46 B
37、.2.8 Unwanted emissions: adjacent channel power ratio .46 B.2.9 Intermodulation attenuation 47 B.2.10 Average radiated power output 48 B.2.11 Conducted spurious emissions into VSWR 48 B.2.12 Frequency deviation for H-CPM .48 B.2.13 Modulation fidelity 48 B.2.14 Symbol rate accuracy .49 B.2.15 H-CPM
38、Transmitter logical channel peak adjacent channel power ratio .49 B.2.16 H-CPM Transmitter logical channel off slot power 49 B.2.17 H-CPM Transmitter logical channel power envelope 50 B.2.18 H-CPM Transmitter logical channel time alignment 50 B.3 Trunking system measurements .51 B.3.1 Trunking voice
39、 access time 51 ANSI/TIA-PN-102.CCAB-A vi Patent Identification 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 t
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42、olicy: No patents have been identified. TIA shall not be responsible for identifying patents for which licenses may be required in connection with any TIA Publication or for conducting inquiries into the legal validity or scope of those patents that are brought to its attention. ANSI/TIA-PN-102.CCAB
43、-A 1 1 Introduction 1.1 Scope This Standard provides physical layer performance standards under standard conditions for 12.5 kHz channelization digitally modulated radio equipment used in the Private (Dispatch) Land Mobile Services that employs a Two-Slot Time Division Multiple Access method for tra
44、nsmission and reception of voice or 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 Project 25 Two-Slot TDMA Overview document (TIA TSB-102.BBAA). The physical
45、layer description is given in Project 25 Phase 2 Two-Slot Time Division Multiple Access Physical Layer Description (TIA-102.BBAB). The media access control is given in Project 25 Phase 2, Two-Slot Time Division Multiple Access Media Access Control Layer Specification- Trunked Voice Services, (TIA-10
46、2.BBAC). 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 highe
47、r level of performance for more stringent applications. Should Federal Communications Commission (FCC) requirements as listed in 47 CFR, Code of Federal Regulations, Telecommunication, become more stringent than any standard contained herein, the FCC requirements supersede these. The standards in th
48、is document may be applicable to applications other than those specifically addressed in Project 25. Use of these standards is encouraged for any application of similar equipment; however, the user should review the required standards needed for the specific application. 1.2 Object The objective of
49、this document is to serve as a performance level benchmark for assessment of equipment per the measurement methods defined in companion document TIA-102.CCAA-A, Two-Slot Time Division Multiple Access Transceiver Measurement Methods. 1.3 Standard Definitions These are described in TIA-102.CCAA-A, clause 1.5. 1.4 Standard Test Conditions These are described in TIA-102.CCAA-A, clause 1.7. 1.5 Characteristics of Test Equipment These are described in IA-102.CCAA-A, clause 1.8. 1.6 Normative Reference Documents The following Standards contain provisions that, through reference in this text,
