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HP 83236B PCS Interface
CDMA/PCS Base Station Test Software, User’s Guide
Software Version A.02.01
HP Part No. 83236-90121
Printed in U. S. A.
March 1997
Revision A
1
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Copyright © Hewlett-Packard Company 1996 RESTRICTED Use, duplication or disclosure by the U. S. Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer RIGHTS Software Clause in LEGEND DFARS 252.227-7013. Hewlett-Packard Company 3000 Hanover Street Palo Alto, CA 94304 U.S.A. Rights for non-DOD U. S. Government Departments and Agencies are as set forth in FAR 52.227-19 (c) (1, 2). 2
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In this Book This book documents the use of the CDMA/PCS Base Station Test Software sup- plied with the PCS Interface. It focuses specifically on the use of the PCS Inter- face in testing CDMA/PCS base station equipment. Chapter 1, Getting Started This chapter provides the steps for loading and running the CDMA/PCS base station test software. Start here. Chapter 2, Making Measurements After you have the software loaded and running, use this chapter to see each measurement’s steps for CDMA tran
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Conventions The following terms are used throughout this book: Used in this • Test Set - the HP 8921A Cell Site Test Set. Book • Cellular Adapter - the HP 83203B or 83205A CDMA Cellular Adapter. • PCS Interface - the HP 83236A,B; used to translate PCS signals into the range of the Test Set. • Software - the CDMA/PCS Base Station Test Software, described in this book. • Test System - the combination of a Test Set, a Cellular Adapter, and a PCS Interface. The Test Set’s keys, softkeys, and selec
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Table of Contents Contents 1 Getting Started Introduction 12 Who should use the CDMA/PCS BS Test Software? 12 Product Description 12 Software Operation in Brief 12 Required Equipment 13 Step 1: Make Connections 14 Step 2: Load and Run the CDMA/PCS BS Test Software 15 Navigation of the CDMA/PCS BS Test Software 17 Step 3: Configure the Software 18 Step 4: Perform CDMA Tests 21 If You Had Problems 21 5
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Contents 2 Making Measurements Overview 25 Transmitter Measurements 25 Receiver Measurements 25 Other 25 Average Power 26 Overview 26 Requirements 26 Steps 27 Notes 27 Modulation Quality (Rho) 28 Overview 28 Requirements 28 Steps 29 Notes 29 Code Domain Power 30 Overview 30 Requirements 30 Steps 31 Notes 31 Code Domain Timing 32 Overview 32 Requirements 32 Steps 33 Notes 33 Code Domain Phase 34 Overview 34 Requirements 34 Steps 35 Notes 35 Transmit Spectrum 36 6
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Contents Overview 36 Requirements 36 Steps: Go to Spectrum Analyzer @ Present Chan 37 Steps: Go to Spectrum Analyzer & Enter Freq 38 Notes 39 Receiver Sensitivity 40 Overview 40 Requirements 40 Steps 41 Notes 41 Receiver Performance in Additive Noise 42 Overview 42 Requirements 42 Steps 43 Notes 43 Search for PN Offset 44 Overview 44 Requirements 44 Steps 45 Notes 45 Check Even-Second Clock 46 Overview 46 Requirements 46 Steps 47 Notes 47 7
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Contents 3 Operating Overview Overview 50 Configuration Information 50 Reference Information 50 Selecting a PCS Band 51 Steps 51 Notes 51 Compensating for TX and RX Measurement Path Loss 53 Requirements 53 Steps 53 Notes 53 Saving Configuration Information to Memory 54 Requirements 54 Steps 54 Notes 54 Loading Configuration Information from Memory 55 Requirements 55 Steps 55 Notes 55 Purging Configuration Information from Memory 56 Requirements 56 Steps 56 Notes 56 Using Autostart 57 Turning On
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Contents Setting the Test System “Beep” 59 Steps 59 Notes 59 An Alternative Test-System-to-Base-Station Timebase Configuration 60 Steps 60 Notes 60 9
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Contents 4 Troubleshooting Overview 64 Errors When Loading and Running the Software 65 Memory Overflow Errors 65 Test System Configuration Errors at Runtime 66 Other Test System Configuration Errors 67 Configuration Information is Not Updated as Saved 67 Menu Screens in this Book do not Match the Screens that You See 68 Errors While Attempting Measurements 69 CDMA Measurement not Correlating 69 Frame Error Rate (Receiver Measurements) 71 Questionable Measurement Results 73 Overview 73 Average Po
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Getting Started 1 Getting Started Follow the steps in this chapter to load and run the CDMA/PCS BS Test Software, to connect the test equipment, and to make initial settings to configure your Test System. 11
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Chapter 1, Getting Started Introduction Introduction Who should use the If you are installing, commissioning, or maintaining Personal Communication CDMA/PCS BS Services (PCS) sites using the Code Division Multiple Access (CDMA) standard, Test Software? this Software will assist you in performing tests of transmitter and receiver performance. Product The HP 83236B CDMA/PCS BS Test Software is an Instrument BASIC Description (IBASIC) application used to set up the PCS Interface for transmitte
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Chapter 1, Getting Started Introduction Required Equipment You must supply: Supplied with the Test System: HP 8921A Opt. 600, Means to control 601, 603 or an base station and HP 8921A with an read FER. HP 83203B or 83205A Cellular Adapter. HP 83236A, B PCS Interface HP 83236A, B CDMA PCS Cable Kit Base Station. Cable Kit (Supplied with the HP 83236A,B) CDMA PCS Base Station Test Software (Supplied with the HP 83236A, B) Cables to connect the base Label: station to the Test Syst
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Chapter 1, Getting Started Step 1: Make Connections Step 1: Make Connections Make the connections between the elements of the Test System and the base station as shown in figure 2. NOTE: This figure does not illustrate all rear-panel connections between the Cellular Adapter and Test Set. Refer to the Cellular Adapter User’s Guide to verify these connections. EVEN SECOND/ SYNC IN CDMA Base Station Even-Second Clock Note: This figure shows the 19.6608 MHz Clk most common (or other referenc
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Chapter 1, Getting Started Step 2: Load and Run the CDMA/PCS BS Test Software Step 2: Load and Run the CDMA/PCS BS Test Software The next step is to get the CDMA/PCS BS Test Software loaded into the Test Set and running on the IBASIC controller. Locate the memory card supplied with the PCS Interface and follow the steps of figure 3 and figure 4. Press Wait for display to Press PRESET. Insert the 4 1 2 3 POWER. appear System Utility (approximately 20 Software card. seconds). Continued on the f
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Chapter 1, Getting Started Step 2: Load and Run the CDMA/PCS BS Test Software Press TESTS to display the Position the cursor at 6 5 TESTS (Main Menu) screen. Select Procedure Location: and select it. Position the cursor at Card and select it. Position the cursor at 7 8 Select Procedure Filename: and select it. Position the cursor at Choices: Position the cursor at Run Test and 9 10 and select PCSCDMA. select it. The Software is now loading. PCSCDMA Loading Time: XXXXXXXX YYYYYYYY First time:
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Chapter 1, Getting Started Step 2: Load and Run the CDMA/PCS BS Test Software Navigation of the After the Software has loaded, you should see the CDMA/PCS BS Test CDMA/PCS BS Software’s main menu screen on the display of the Test Set (see figure 5). Test Software Important features of this screen are indicated in the figure with notes on their use. Main Selection and Cursor Control Entry Fields Some menu selections open lower-level Some main menu selections are entry fields. When these menus
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Chapter 1, Getting Started Step 3: Configure the Software Step 3: Configure the Software The first time you run the Software you must enter information about your setup and the base station being tested. Use these steps: From the CDMA PCS Main Menu, scroll to and Scroll to and select Base Station Reference 2 1 select Configuration Information Menu. Freq. Configuration Information Menu CDMA PCS Main Menu Return to Main Menu Quit Base Station Channel . . . . . . . . . 220 Configuration Informatio
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Chapter 1, Getting Started Step 3: Configure the Software Scroll to and select TX Measurement Path Loss. Enter the loss (through cables, couplers, and attenuators) 5 between your base station’s transmitter test port and the RF IN/OUT port of the PCS Interface. Configuration Information Menu Return to Main Menu Base Station Channel . . . . . . . . . 220 Base Station PN Offset . . . . . . . . 16 Base Station Reference Freq. . . 19.6608 MHz Base Station Reference To . . . . SYNTH REF IN Enter the
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Chapter 1, Getting Started Step 3: Configure the Software This completes the required entries. You may now save your entries or press the Main Menu (k5) key to return 9 to the main menu. To save entries see, “Saving Configuration Information to Memory” in Chapter 3. USER k1 User keys 1-5 correspond k2 to the fields on the top k3 right corner of k4 the test set screen. k5 20
