1、 TIA STANDARD Electro-Acoustic Recommended Minimum Performance Specification for cdma2000Mobile Stations TIA-1042 November 2005 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunications industry in association with the Electronic Industries Alliance Copyright Telecommunications Ind
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21、out license from IHS-,-,-Revision History Revision Description Date TIA-1042 Initial Publication July 2, 205 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright Telecommun
22、ications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1042 i CONTENTS NORMATIVE REFERENCESvi INFORMATIVE REFERENCESvii 1 Introduction1-1 1.1 Scope1-1 1.2 Terms1-1 2 Electro-Acoustic Requirements2-1 2
23、.1 Receive Audio Interface.2-1 2.1.1 Receive Audio Frequency Response2-1 2.1.1.1 Definition.2-1 2.1.1.2 Method of Measurement2-1 2.1.1.3 Minimum Standard.2-1 2.1.2 Receive Audio Sensitivity2-2 2.1.2.1 Definition.2-2 2.1.2.2 Method of Measurement2-2 2.1.2.3 Minimum Standard.2-2 2.2 Send Audio Interfa
24、ce.2-2 2.2.1 Send Audio Frequency Response2-2 2.2.1.1 Definition.2-2 2.2.1.2 Method of Measurement2-3 2.2.1.3 Minimum Standard.2-3 2.2.2 Send Audio Sensitivity2-4 2.2.2.1 Definition.2-4 2.2.2.2 Method of Measurement2-4 2.2.2.3 Minimum Standard.2-4 2.2.3 Weighted Terminal Coupling Los2-4 2.2.3.1 Defi
25、nition.2-4 2.2.3.2 Method of Measurement2-4 2.2.3.3 Minimum Standard.2-5 2.3 Loudnes Contrast2-5 2.3.1 Definition2-5 2.3.2 Method of Measurement.2-5 2.3.3 Minimum Standard2-5 3 Electro-acoustic Standard Test Conditions.3-1 3.1 Reference Base Station Simulator Requirements.3-1 3.1.1 Receive Level3-1
26、Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1042 i 3.1.2 Send Level.3-1 3.1.3 Other Requirements3-1 3.2 Ear Simulators.3-1 3.3 Acoustic Test Signals3-2 3.3.1 Normal Test
27、 Signal.3-2 3.3.2 Echo-Los Test Signal.3-2 3.4 Standard Test Conditions.3-2 ANEX A: Loudnes Rating ConversionsA-1 ANEX B: Maximum Acoustic Presure LevelB-1 ANEX C: Ear SimulatorC-1 C.1 Artificial EarsC-1 C.2 Type 1C-1 C.3 Type 2C-2 C.4 Type 3C-2 C.4.1 Type 3.2.C-2 C.4.2 Type 3.3.C-3 C.4.3 Type 3.4.C
28、-3 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1042 ii Tables Table 2.1-1. Receive Frequency Response Mask2-1 Table 2.2-1. Send Frequency Response Mask2-3 Table 3.2-1. A
29、ceptable Ear Simulators3-1 Table C.1-1. Ear Simulator Types.C-1 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1042 iv FIGURES Figure 2.1-1 Receive Frequency Response Mask2
30、-2 Figure 2.2-1 Send Frequency Response Mask2-4 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1042 v Notes 1. “Base station” refers to the functions performed on the land
31、side, which are typicaly distributed among a cel, a sector of a cel, and a mobile comunications switching center. 2. This standard uses the folowing verbal forms: “Shal” and “shal not” identify requirements to be folowed strictly to confor to the standard and from which no deviation is permited. “Sh
32、ould” and “should not” indicate that one of several posibilities is recomended as particularly suitable, without mentioning or excluding others; that a certain course of action is prefered but not necesarily required; or that (in the negative form) a certain posibility or course of action is discour
33、aged but not prohibited. “May” and “ned not” indicate a course of action permisible within the limits of the standard. “Can” and “canot” are used for statements of posibility and capability, whether material, physical, or causal. 3. The folowing operators define mathematical operations: x indicates
34、multiplication. / indicates division. + indicates adition. - indicates subtraction. * indicates complex conjugation. indicates a ember of the set. x indicates the largest integer les than or equal to x: 1.1 = 1, 1.0 = 1. |x| indicates the absolute value of x: |-17|=17, |17|=17. Copyright Telecommuni
35、cations Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1042 vi No text.Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networkin
36、g permitted without license from IHS-,-,-TIA-1042 vii NORMATIVE REFERENCES 1 The folowing standards contain provisions which, through reference in this text, 2 constitute provisions of this Standard. At the time of publication, the editions indicated 3 were valid. Al standards are subject to revisio
37、n, and parties to agrements based on 4 this Standard are encouraged to investigate the posibility of aplying the most recent 5 editions of the standards indicated below. ANSI and TIA maintain registers of curently 6 valid national standards published by them. 7 8 1. ANSI S1.4-1983 (R201), American N
38、ational Standard Specification for Sound Level Meters. 2. ANSI S1.4A-1983 (R201), Amendment 1 - American National Standard Specification for Sound Level Meters. 3. IEE Std 269-202, Standard Method for Measuring Transmision Performance of Analog and Digital Telephone Set, Handsets and Headset. 4. ITU
39、-T Recomendation G.12, Influence of National Systems on Stability and Talker Echo in International Conections, 193. 5. TIA/EIA-690, Recomended Minimum Standards for 80 MHz Subscriber Units, November 200. 6. TIA/EIA/IS-127, Enhanced Variable Rate Codec (EVRC), December 199. 7. TIA-98-E, Recomended Mi
40、nimum Performance Standards cdma200Spread Spectrum Mobile Stations, 205. 9 10 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1042 vii INFORMATIVE REFERENCES 1 At the time o
41、f publication, the editions indicated were valid. Al standards are subject to 2 revision, and parties to agrements based on this Standard are encouraged to 3 investigate the posibility of aplying the most recent editions of the standards 4 indicated below. ANSI and TIA maintain registers of curently
42、 valid national standards 5 published by them. 6 7 8. IEE Std 61-1979, IEE Standard Method for Determining Objective Loudnes Ratings of Telephone Conections. 9. ITU Recomendation P.79, Calculation of loudnes ratings for telephone sets, September 199. 10. TIA/EIA-810-A, Telecomunications - Telephone
43、Terminal Equipment-Transmision Requireents for Narowband, Deceber 200. 1. TIA/EIA-579-A, Telecomunications Telephone Terminal Equipment Transmision Requirements for Digital Wireline Telephones, Noveber 198. 12. IEC 60950-1, Information Technology Equipment Safety Part 1: General Requirements, Octobe
44、r 202 13. ITU Recomendation P.501, Test signals for use in telephonometry, May 200. 14. TIA-470.10-C, Telecomunications Handset Acoustic Performance Requirements for Analog Terminal Equipment Conected to the Public Switched Telephone Network. 8 Copyright Telecommunications Industry Association Provi
45、ded by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1042 1-1 1 INTRODUCTION 1 1.1 Scope 2 This document details definitions, methods of measurement, and minimum electro-3 acoustic performance characteristics for Code Division Multip
46、le Aces (CDMA) mobile 4 stations. These standards are intended to ensure a level of electro-acoustic perforance 5 aproaching that defined by the ITU-T for PSTN circuits. These electro-acoustic 6 requirements are aplicable to al Spech Service Options suported by the mobile 7 station. These requiremen
47、ts are aplicable to mobile station handsets. Requirements for 8 loudspeaker, headset, and hands-fre configurations are not adresed in the curent 9 document and are for further study. Test methods are recomended in this document; 10 however, methods other than those recoended may sufice for the same
48、purpose. 11 1.2 Terms 12 Base Station. A station in the Domestic Public Celular Radio Telecomunications 13 Service, other than a mobile station, used for radio comunications with mobile 14 stations. 15 Codec. The combination of an analog-to-digital encoder and a digital-to-analog decoder 16 in series (encoder/decoder). 17 dBA. A-weighted sound presure level expresed in decibels obtained by the use of a 18 metering characteristic and the weighting A specified in 1 and 2. 19 dBm. A measure of
