Pn-3-4350-rv3 (To be published as tia/eia-470-C. 310)



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PN-3-4350-RV3

(To be published as TIA/EIA-470-C.310)


PN-3-4350-RV3

Telecommunications

Telephone Terminal Equipment

Cordless Telephone Range Measurement Procedures

Formulated under the cognizance of TIA Subcommittee TR-41.3,


Analog and Digital Wireline Terminals

With the approval of TIA Engineering Committee TR-41,


User Premises Telecommunications Requirements

FOREWORD

(This foreword is not part of this standard.)

This document is a TIA/EIA Telecommunications standard produced by the Ad Hoc Working Group of TR-41.3.5, of Committee TR-41. This standard was developed in accordance with TIA/EIA procedural guidelines, and represents the consensus position of the Working Group and its parent Subcommittee TR-41.3, which served as the formulating group

(If Applicable) The annexes in this Standard are informative and are not considered part of this Standard.

Suggestions for improvement of this standard are welcome. They should be sent to:

Telecommunications Industry Association

Engineering Department

Suite 300

2500 Wilson Boulevard

Arlington, VA 22201



The TR-41.3.5 Working Group acknowledges the contributions made by the following individuals in the development of this standard.

Name

Representing

Position

(If Applicable)

Harry Van Zandt

ECS Technologies

Chairman

James Bress

AST Technology Labs

Editor

Dale Lynn

Advanced American Telephone




Clint Pinkham

Atlinks




Dwayne Campbell

Radio Shack




Rick Carey

Radio Shack




Dr. Amar Nath Ray

Sprint




Jerry Parker

Telcordia Technologies




Al Baum

Uniden




Sarkis Teghararian

Vtech Engineering




Paul Lubeski

Wyle Laboratories




The TR-41.3.5- CTRMP Ad-Hoc Working Group, which had the technical responsibility during the development of this standard, had the following participating members.

Name

Representing

Position

(If Applicable)

Harry Van Zandt

ECS Technologies

Chairman

James Bress

AST Technology Labs

Editor

Don McKinnon

AST Technology Labs




Dave Stenner

Advent Instruments




Jim McNeill

Atlinks




Fred Bonhomme

Atlinks




Clint Pinkham

Atlinks




Jim Mazzolini

Casio Communications




Pierluigi Pacciardi

Casio Communications




Rick White

CIDCO




SA Foo

CIDCO




Norman Beamish

Conexant Systems




Dale Lynn

Advanced American Telephone




Scott Early

InDesign




Dwayne Campbell

Radio Shack




Rick Carey

Radio Shack




Bill Eisenloeffel

SBC




Mauricio Dasilva

Siemens




Tim Capizzi

Sony




Yoshinori Egami

Sony




Dr. Amar Nath Ray

Sprint




Jerry Parker

Telcordia Technologies




Al Baum

Uniden




Kris Schatz

Vtech Communications




Matthew Thompson

Vtech Communications




Steve Kropp

Vtech Engineering




Sarkis Teghararian

Vtech Engineering




Jim Smith

Wyle Laboratories




Paul Lubeski

Wyle Laboratories




TABLE OF CONTENTS

1. Scope 1

1.1. Categories of Criteria 1



2. Normative References 2

3. Abbreviations, Acronyms, AND definitions 3

3.1. Abbreviations and Acronyms 3

3.2. Definitions 3

4. General 5

4.1. Traditional Range tests 5

4.2. Simulated range Tests 6

5. introduction to Range Testing procedures 7

5.1. Aspects of Range 7

5.2. Aspects of Cordless Telephone Performance 7

6. Outdoor Range Test Procedures 8

6.1. Test Site Requirements 8

6.1.1. Ground Surface 8

6.1.2. Terrain 8

6.1.3. Range Indication 8

6.1.4. Spectral Interference 8

RF Site Characterization 9

6.1.5. Nominal Range Site Physical RequirementsPhysical Obstructions 9

6.1.5.1. Diffraction over Physical Obstructions Fresnel Zones 9

6.2. Open Fields Site calibration 10

6.2.1. Concept of Normalizing Range Measurements 10

6.2.2. Mathematical Prediction of Propagation Loss vs. Distance 10

6.2.2.1. Derivation of dB Attenuation to Distance Normalization Tables 11

6.2.3. Method For Measuring RF Propagation Loss On Range Site 18

6.2.3.1. Test Setup 18

6.2.3.1.1. Figure showing how its done 18

6.2.3.2. Transmitter 18

6.2.3.2.1. Power output and output units (Watts, dBm, uV, - whatever) 18

6.2.3.2.2. Accuracy (frequency, output tolerance) 18

6.2.3.3. Calibrated Receiver 18

6.2.3.3.1. Type (Spectrum analyzer, tuned receiver, other) 18

6.2.3.3.2. Accuracy and Linearity 18

6.2.3.4. Antennas 18

6.2.3.4.1. Type, calibration requirements, impedance, etc. 18

6.2.3.5. Measurement Procedure 18

6.2.3.5.1. Fixtures for holding antenna and receiver 18

6.2.3.5.2. location of operator re origin and equipment 18

6.2.3.6. Calculation of loss in dB Vs. Distance 18

6.3. Range Test Setup 19

6.3.1.1. Preparation of CPE 19

6.3.2. CPE Base Setup 19

6.3.2.1. Control Station 19

6.3.3. CPE Handset Orientation (talk-range)Downrange Procedure 20

6.3.3.1. Handset Positioning 20

6.3.3.2. Minimizing Wind Noise 20

6.4. Range Indication 20

6.5. Range Test Procedure 20

6.5.1. Base to Handset 20

6.5.2. Handset to Base 21

7. Simulated Range Test Procedure 22

7.1. Physical Attributes Of Test System 22

7.2. Reference Conditions For The Test System 22

7.2.1. Calibration Procedure 22

7.2.2. RF Constant Loss And Multi-Path Interference 22

7.2.3. Quiescent RF Interference 23

7.2.3.1. In-Band Interference 23

7.2.3.2. Near-Band Interference 23

7.2.3.3. Out-Of-Band Interference 23

7.3. Compensation for head effect 23

7.4. RF Attenuation Between The Handset and The Base 27

7.4.1. Test Method 27

7.4.2. RF Interference 27

8. TELEPHONE Feature TESTing 29

8.1. Voice Channel Quality 30

8.1.1. Tests To Perform 30

8.1.2. Test Methodology 30

8.1.2.1. Handset To Base 30

8.1.2.2. Base To Handset 30

8.1.3. SINAD Accept/Reject Threshold 31

8.1.4. Signal Dropout Accept/Reject Threshold 31

8.2. Base To Handset Alerting (Ringing) 31

8.3. Base To Handset Alerting (PAGING) 31

8.4. Handset To Base Network Signaling 31

8.5. Handset To Base Switch-Hook Control 31

8.6. Base to handset data transmission for Caller-ID 31

8.7. Handset to base and base to handset data transmission for Call Log Review 32

8.8. Out Of Range Indicator 32

8.9. Tip & Ring Disconnection 32

8.9.1.1. Derivation of dB Attenuation to Distance Normalization Tables 33


LIST OF FIGURES

Figure 1 – Phasing Point Example 4

Figure 2 – Range Test Concept 5

Figure 3 - Range Test Site Terrain Verification 8

Figure 4 – Base Station Range Test Setup 19

Figure 5 – Frequency Band diagram 23

Figure 6 - Reference Antenna Polar Plot Test Set-up 24

Figure 7 - Antenna Polar Plot Test Set-up With Head 25

Figure 8 - Head Correction Factor From Polar Plot 26

Figure 9 - RF Interference Test Set-up 28

Figure 10 RF Interference Test Calibration (Note: RF Field Strength Meter should not be located inside the chamber. All test equipment should be located outside of the chamber, and only the necessary probes should be placed inside the chamber.) 29

Figure 11 - Typical SINAD And Dropout Test Set-Up 31

LIST OF TABLES

Table 1 - Fresnel Zone Calculations 12

Table 2 - Reference RF Propagation Model Calculations 17

Table 3 – Loop Simulator Requirements 20

Table 4 – RF Interference Signals 28

Table 5 - Fresnel Zone Calculations 33

Table 6 - Reference RF Propagation Model Calculations 38




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