Agilent S GSM - Manual

Contents Contents-4 6 Connectors Front-Panel Connectors of the Agilent Technologies 8922M/S ....... 6-2 Rear-Panel Connectors of the Agilent Technologies 8922M/S....... 6-10 Signal Descriptions for SYSTEM BUS ......................................... 6-18 Timing Diagrams ...............................

Contents Contents-5 A APPENDIX A Purpose ............................................................................................. A-2 Equipment Required ......................................................................... A-3 Connecting the Agilent 8922M to the HP/Agilent 37900D .............

i Warranty Warranty This Agilent Technologies instrument product is warranted against defects in material andworkmanship for a period of one year from date of shipment. During the warranty period,Agilent Technologies will at its option, either repair or replace products which prove to bedefective. F...

ii Responsibilities of the Customer Responsibilities of the Customer The customer shall provide; 1 Access to the products during the specified periods of coverage to perform mainte-nance. 2 Adequate working space around the products for servicing by Agilent Technologiespersonnel. 3 Access to and use...

iii Notices Notices The material contained in this document is subject to change without notice. AGILENTTECHNOLOGIES MAKES NO WARRANTY OF ANY KIND WITH REGARD TOTHIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIEDWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULARPURPOSE. Agilent Technol...

iv Electromagnetic Compatibility (EMC) Information Electromagnetic Compatibility (EMC) Information This product has been designed to meet the protection requirements of the EuropeanCommunities Electromagnetic Compatibility (EMC) directive: EN55011:1991 (Group 1, Class A)EN50082-1:1992- IEC 1000-4-2 ...

v Declaration of Conformity Declaration of Conformity according to ISO/IEC Guide 22 and EN45014 Manufacturer’s Name: Agilent Technologies. Agilent TechnologiesSouth QueensferryWest Lothian, EH30 9TGScotland, United Kingdom Manufacturer’s Address: Declares that the product Product Name : GSM MS Test ...

vi Safety Information Safety Information The following general safety precautions must be observed during all phases of operationof this instrument. Failure to comply with these precautions or with specific warningselsewhere in this manual violates safety standards of design, manufacture, and intend...

vii Safety Information DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of flammable gases or fumes. DO NOT REMOVE THE INSTRUMENT COVER Operating personnel must not remove instrument covers. Component replacement andinternal adjustments must be made only by qua...

viii Safety Symbols Safety Symbols The following symbols on the instrument and in the manual indicate precautions whichmust be taken to maintain safe operation of the instrument Safety Symbols The Instruction Documentation Symbol. The product is marked with this symbol whenit is necessary for the us...

ix Sales and Service Offices Sales and Service Offices Any adjustment, maintenance, or repair of this product mustbe performed by qualified personnel. Contact your customerengineer through your local Agilent Technologies ServiceCenter. You can find a list of local service servicerepresentatives on t...

x Sales and Service Offices Canada Agilent Technologies Canada Inc.5150 Spectrum Way,Mississauga, OntarioL4W 5G1(tel) 1 877 894 4414 Europe: Agilent TechnologiesTest & MeasurementEuropean Marketing OrganisationP.O. Box 9991180 AZ AmstelveenThe Netherlands(tel) (31 20) 547 9999 Latin America: Agi...

xi Agilent Technologies 8922M/S Documentation Description Agilent Technologies 8922M/S DocumentationDescription Documentation Shipped with Your GSM Test Set Agilent 8922M/S GSM Test Set Quick Start Guide.This guide gives a brief description on how to make each of the measurements required totest a G...

xii Typeface Conventions Typeface Conventions Italics Italic type is used for emphasis. Display Display text is used to show examples, fields, and prompts that aredisplayed on the Agilent 8922M/S screen. Keycaps on the Agilent 8922M/S keyboard are enclosed in boxes. Soft keys Display text is used to...

1-2 Installing Your Agilent 8922M/S Using this Chapter Using this Chapter Use the following procedure to get the Agilent Technologies 8922M/S powered-upcorrectly. After completing this procedure, refer to the Quick Start Guide for anintroduction to operating the Agilent Technologies 8922M/S and Chap...

1-3 Installing Your Agilent 8922M/S Fuses and Power Cords Fuses and Power Cords CAUTION Before plugging this instrument into the Mains (line) voltage, be sure the correctvoltage on the line voltage selection card has been selected. Line Voltage andFuse Selection Verify that the line voltage selectio...

1-5 Installing Your Agilent 8922M/S Installation Overview Installation Overview 1 Connect a 1, 2, 5, 10, or 13 MHz signal to the REF IN. If you are using option001, connect as shown, see Figure 1-2 on page 1-5, with the supplied cable (OPT001 REF OUT to REF IN). 2 Connect the supplied power cord to ...

1-6 Installing Your Agilent 8922M/S Installation Overview 3 Access the CONFIG screen to customize the set-up of your Agilent 8922M/S.This is done by:• Moving to the CONFIG field in the bottom right-hand corner of the Cell Control screen, (the first screen that appears after power-up or after selecti...

1-7 Installing Your Agilent 8922M/S Installation Overview 4 To guarantee the correct operation of the Agilent 8922M/S with all mobilephones, you should use a high-stability timebase. This step details how to configure the Agilent 8922M/S for use with either theoption 001, high-stability timebase, or...

1-8 Installing Your Agilent 8922M/S General Information General Information Operation andStorageEnvironment Refer to General Specifications in the Agilent 8922M/S Specifications section ofChapter 3, Performance Verification for information about the operation or storageenvironment. Instrument Option...

2-2 Making Measurements Using This Chapter Using This Chapter Use this chapter to obtain an overview of how to operate the Agilent 8922M/S GSMTest Sets. This chapter is divided into the following sections: • Making Measurements• Agilent 8922M/S Operating Modes - explains how to configure the Agilent...

2-3 Making Measurements Agilent Technologies 8922M/S Operating Modes Agilent Technologies 8922M/S Operating Modes This section details the procedures necessary to control the Agilent 8922M/S andGSM mobile phone in each of the main operating modes. It is recommended thatyou read this section before a...

2-4 Making Measurements Agilent Technologies 8922M/S Operating Modes To configure the Agilent 8922M/S to the desired operating mode, carry out thefollowing instructions, referring to Figure 2-1 on page 4 for the position of thefields. • Ensure (1) is set to mobile phone type you require (GSM900, E-G...

2-5 Making Measurements ACTIVE CELL ACTIVE CELL This is the default mode after cycling the power or selecting . A functional mobile phone will lock on (camp on) to a signal which is produced bythe Agilent 8922M/S. The characteristic of this signal appears in the BASE STATION fields, (1), see Figure ...

2-8 Making Measurements ACTIVE CELL There may be many reasons for the measured level not being close to the expectedlevel. The two most likely are that, either, the mobile phone is not operatingcorrectly, or, there is some power loss between the Agilent 8922M/S RF IN/OUTconnector and the mobile phon...

2-9 Making Measurements TEST MODE TEST MODE To enter this mode, select TEST MODE as described in the section titled “Agilent 8922M/S Operating Modes”. In TEST MODE, the Agilent 8922M/S no longer controls the mobile phone. TheTEST MODE is used when it is not desired, or not possible, to set up a call...

2-10 Making Measurements TEST MODE NOTE While the Test Mode is selected, the three MEASURE ON parameters are also available on the bottom right-hand side of all measurement screens. This providescontrol of the Expected Input parameters during measurements. Figure 2-3 Test Mode Mobile PhoneTransmitte...

2-11 Making Measurements TEST MODE Code is not known, it can be determined and corrected from measurementsdescribed later. Refer to the “Advanced Features” section mentioned later in thischapter. NOTE In the Active Cell mode, the Colour Code is automatically set. Once these have been selected, the A...

2-12 Making Measurements CW GENERATOR CW GENERATOR To enter this mode, select CW GENERATOR as described in the section titled “Agilent 8922M/S Operating Modes”. The CW Generator mode has the samemeasurement capabilities as the Test Mode but replaces the GSM BCH and forcedTCH signals with a single un...

2-13 Making Measurements Measurements Measurements The measurements available on the Agilent 8922M/S can all be accessed from thecell control screen by selecting a measurement field under MEASUREMENTS , (see Figure 2-5 on page 2-13) and pushing the knob. GSM SpecificMeasurements The measurements ava...

2-14 Making Measurements Measurements After making one type of measurement, another can be made by simply pressing and, using the knob, selecting the next measurement of your choice. Peak Carrier PowerMeasurement The peak transmitter carrier power averages the transmitter carrier power for asingle b...

2-15 Making Measurements Measurements Phase andFrequency ErrorMeasurement Phase error and frequency error are measures of the modulation and noiseperformance of the radio’s transmitter path. Method Select the PHASE FRQ field on the cell control screen to access the phase and frequency measurements. ...

2-16 Making Measurements Measurements These are: • PHASE ERR - this displays the phase error graphically. The phase error trace is displayed using an autoscaling phase error axis versus data bits (numbered 0through 147). • DATA BITS - this screen allows you display a screen which details the values ...

2-18 Making Measurements Measurements Pulse Measurements(Available if Option006, SpectrumAnalyzer, is Fitted) If you have option 006 (spectrum analyzer) installed, you can make measurementson the lower portion of the pulse. These measurements can be accessed from thePower Ramp screens. • The main me...

2-19 Making Measurements Measurements Bit Error RateMeasurement The Bit Error Rate measurement allows you to test the sensitivity of the mobilephone’s receiver. By reducing the signal transmitted by the Agilent 8922M/S, youcan test the ability of the receiver to accurately decode its incoming signal...

2-22 Making Measurements Measurements In the Agilent 8922, Output RF Spectrum measurements are made using a 3-polesynchronously tuned measurement filter. The measurement results will differ frommeasurements using a 5-pole filter. The difference between measurements of the “ideal” signals using a 3-p...

2-23 Making Measurements Measurements Table 3 Adjusted Limits Based on 3-Pole Filter Output RF Spectrum Due toModulation PowerControlLevel Offset from Carrier (kHZ) 0 100 200 250 400 600 to1800 0 (43 dBm) 0 dB 0.5 dB -27.5 dB -32 dB -51 dB -70 dB 0 (39 dBm) 0 0.5 -27.5 -32 -51 -66 0 (37 dBm) 0 0.5 -...

2-25 Making Measurements Measurements NOTE The RF Generator and spectrum analyzer can be tuned to different frequenciesallowing the inspection of the IF signals inside the mobile phone. Figure 2-12 Spectrum Analyzer Measurement Use the MeasReset (2) to reset the trace and measurements in the Agilent...

2-27 Making Measurements Measurements Audio The audio function measures the audio frequency and voltage of the demodulatedsignal from the mobile phone or from a number of other sources selectable using AF Anl In (5), see Figure 2-14 on page 2-27. Select AUDIO in the cell control screen to gain acces...

2-28 Making Measurements Measurements CW Measurement The CW Measurement screen displays the carrier frequency and power of acontinuous (non-pulsed) signal. The CW Power measurement offers a greaterdynamic range than is available when making pulsed measurements. CW Power is a broadband measurement. T...

2-30 Making Measurements If You Have Problems with a Measurement If You Have Problems with a Measurement This section tells you what to do if either of the following screen display eventsoccurs: • Message Line Messages (on the top of the screen). • Is a Message Line displayed at the top of the scree...

2-32 Making Measurements If You Have Problems with a Measurement Possible Solutions toMessage Line Errors The signal processing hardware that is used to generate measurement results has tobe told when to take data samples. If the trigger to do this is misaligned with thesignal, there may be errors i...

2-34 Making Measurements If You Have Problems with a Measurement Is an Error MessageDisplayed in theSync Status field? The sync status field displays an error message for the following errors: • Bad Sync - demodulation error, perform a Phase/Frequency error measurementto identify which of the Sync S...

2-35 Making Measurements If You Have Problems with a Measurement Possible Solutions toSync Status Errors Solution 1 - Trigger Timing Check if the trigger is being received.On the MEAS SYNC screen (press to gain access), check if the correct burst type has been defined. On the Data Bits screen: A The...

2-38 Making Measurements If You Have Problems with a Measurement Solution 4 - Amplitude Envelope • Check if the Pulse Amplitude is ± 1 dB of the expected value during the useful part of the burst. If FM Errors:Perform a Phase Freq:Data Bits measurement. Dashes (a) will displayunder the bits where th...

2-39 Making Measurements Advanced Features Advanced Features Other Screens The screens mentioned in this section are not necessary for simple measurement ofmobile phones as the work is done by the functions mentioned previously. However,the advanced user may find it worthwhile to know what these scr...

2-40 Making Measurements Advanced Features • SMS Cell Broadcast - the SMS CB screen allows you to test whether the mobilephone is capable of correctly receiving and displaying a message sent from a basestation using the Short Message Service (SMS) Cell Broadcast protocol. Thisscreen can be accessed ...

2-41 Making Measurements Advanced Features Power Ramp SettingTime The mobile transmitter output ramp should settle so that it complies with the powermask (GSM Rec 11.10) by the time output level calibration is done in themanufacturing process. The power mask is displayed in the Power Ramp screens. P...

2-42 Making Measurements Advanced Features The beginning of the 0 sample bin will be between 0 and 75 µ S (bit 0 - 20) after the trigger as the sampler runs asynchronously to the trigger. The last sample bin willcomplete sampling between 450 µ S and 525 µ S (bit 121 - 142) into the burst. The measur...

2-44 Making Measurements Advanced Features UnexpectedOperations These are descriptions of operations which may be unclear to the user as to how theyoccurred. These are NOT defects. 1 The Agilent 8922M/S occasionally sends ABORTS to the attached protocol mon-itor. These ABORTS are normal and logging ...

2-45 Making Measurements Advanced Features 9 The RF Generator may become uncalibrated in a hopping situation when the lastCW frequency setting was outside the GSM or DCS band. If you are using the RFGenerator outside the normal GSM or DCS bands, make sure you set a validGSM or DCS frequency in the C...

2-46 Making Measurements Advanced Features 12 Some measurement results may be displayed as ---- due, for example, to mobile failure. The measurement has been armed but has not completed. In thesecircumstances a GPIB query of the measurement will not return a result. Thisevent should be catered for b...

3-2 Verifying Performance About This Chapter About This Chapter The tests in this chapter verify the electrical performance of the Agilent 8922M/SGSM Test Set using the Agilent 8922 Performance Test Software provided with theproduct. If the instrument passes this verification, its operation and spec...

3-3 Verifying Performance Setting up the Tests Setting up the Tests This chapter contains the following information: Getting the RightTest Equipment Required Test Equipment lists the test equipment needed for the performancetests. This is the only equipment supported by the Agilent 8922 Performance ...

3-4 Verifying Performance Getting the Right Equipment Getting the Right Equipment The following equipment is required to do all of the performance tests. The testdescriptions have an equipment list that specifies the equipment used for eachparticular test. Equipment HP/Agilent Model Number Measuring...

3-5 Verifying Performance Installing and Operating the Software Installing and Operating the Software Performance Test Software is supplied on a 3.5-inch, double-sided floppy disk andis written to run with BASIC 5.0 and later. Modifications to the program should belimited to changing the default add...

3-6 Verifying Performance Installing and Operating the Software Forward Conversion To return the instrument from an Agilent 8922G back to an Agilent 8922M or anAgilent 8922E to an Agilent 8922S, select the following keys: • More (this is accessible from the Cell Control screen in the bottom right-ha...

3-7 Verifying Performance Understanding the Tests Understanding the Tests This section describes the theory of each performance test, lists the equipmentneeded for the test, and provides some problem solving information. Test 01: SignalGenerator Level Equipment Required Measuring Receiver HP/Agilent...

3-8 Verifying Performance Understanding the Tests Test 02: SignalGenerator SpectralPurity Equipment Required HP/Agilent 8566B Spectrum Analyzer Theory of the Test The UUT is set to generate a CW signal at various levels and frequencies. The HP/Agilent 8566B is used to measure the signal level and th...

3-9 Verifying Performance Understanding the Tests Test 04: SignalGenerator 0.3GMSK Modulation Equipment Required (excluding Agilent 8922S) HP/Agilent 8904A Option 001/002 Multifunction Synthesizer Theory of the Test The HP/Agilent 8904A is used to generate a 270.833 kHz clock and random data.This dr...

3-11 Verifying Performance Understanding the Tests faulty also. If the front panel reading from the UUT is significantly different fromthe printed “measured” response, the normalization may be the cause. If theoscilloscope triggers incorrectly, the peak search may not find the actual peakresponse on...

3-12 Verifying Performance Understanding the Tests clock signal. The option does not have GPIB control so the program cannot verifythat the option is operational. Test A: RF AnalyzerPulse Demodulation Equipment Required HP/Agilent 8657A/B Signal Generator HP/Agilent 8116A Pulse Generator Theory of t...

3-13 Verifying Performance Understanding Test Failures Understanding Test Failures This section is intended to be used in conjunction with the Agilent 8922 SeriesAssembly Level Repair Guide for assembly level repair and troubleshooting. If aperformance test fails and hardware is suspected, the follo...

3-14 Verifying Performance Agilent Technologies 8922M/S Specifications Agilent Technologies 8922M/S Specifications NOTE: If you have the Agilent 8922M/S Option 010 Multi-Band Test System, refer to theappropriate Agilent 8922 Multi-Band User’s Guide for more information onspecifications relevant to d...

3-16 Verifying Performance Agilent Technologies 8922M/S Specifications Spectral Purity 0.3 GMSK Modulation After one timeslot, 577 µ s, from an isolated RF Generator Trigger in the GSM Frequency bands. Pulse Modulation Spurious Signals (for ≤ +1 dBm output level at Aux RF Out or ≤− 19 dBm output lev...

3-17 Verifying Performance Agilent Technologies 8922M/S Specifications 30 dB Pulse Modulation (Agilent 8922M only) All timeslots 30 dB higher than desired/active timeslot, to test adjacent timeslotrejection. AM for Level Control (Agilent 8922M Only) For output levels ≤ +1 dBm at Aux RF Out or ≤− 19 ...

3-19 Verifying Performance Agilent Technologies 8922M/S Specifications Peak/Transmitter Carrier Power Measurement RF In/Out only. After one timeslot, 577 µ s, from an isolated Receiver Hop Trigger in the GSM bands. Power Measurement Accuracy Pulse ON/OFF Ratio Measurement (Requires Option 006) ON po...

3-20 Verifying Performance Agilent Technologies 8922M/S Specifications Accuracy (ON/OFF 40 dB, RF In/Out only) Amplitude Envelope Measurement After one timeslot, 577 µ s, from an isolated Receiver Hop Trigger in the GSM Frequency bands Inaccuracy due to Noise (for overshoots ≤ 1 dB): OFF Power (dBm)...

3-29 Verifying Performance Agilent Technologies 8922M/S Specifications OperatingEnvironment This instrument is designed for indoor use only. If the instrument is subjected to Agilent Class B condensation, it is recommendedthat the instrument be powered up for at least 30 minutes before normal operat...

4-1 4 Screens NOTE If you have the Agilent 8922M/S Option 010 Multi-Band Test System, refer to theappropriate Agilent 8922 Multi-Band User’s Guide for more information onadditional screens and screen differences.

4-2 Screens Field Types Field Types 1. Alphanumeric This field is where you enter names or titles. To enter, position the cursor next to a character or edit function, then push the knobto select it. (A list of character and function choices appears in the bottom-rightcorner of the screen.) 2. Data E...

4-4 Screens Audio Audio 1. AC Level This field displays the measured ac level of the AF analyzer input (AF Anl In) whenAudio Out, Pls Demod, Audio In, Speech In, Speech Out, or Scope In is selected asthe input. See Also Keys: ON/OFF, HI LIMIT, LO LIMIT, REF SET, AVG,METER, Units 2. AF Freq This fiel...

4-5 Screens Audio Choices Scope In selects the SCOPE IN (MEASURE) front-panelconnector.Speech Out selects the signal going to the MON/SPEECH(DEMODULATION OUT) front-panel connector.AM Mod In selects the IN AM/SPEECH (MODULATION) front-panel connector.Speech In selects the IN AM/SPEECH (MODULATION) f...

4-7 Screens Audio 13. Speech This field selects the speech mode. Choices NoneUncond (unconditioned) activates the MODULATION INAM/SPEECH connector on the front panel, but the speech signalis not conditioned by filters, and no gain control is provided.Cond (conditioned) activates the MODULATION INAM/...

4-8 Screens Bit Error Bit Error 1. Amplitude (Base Station) This field changes the RF generator amplitude. It is a duplicate of the RF generator’sAmplitude field on the RF Generator/RF Analyzer screen. See Also Screens: RF Generator/RF Analyzer (RF Generator). 2. BE Ratio This field selects how bit ...

4-9 Screens Bit Error 5. Bits (Measure) This field selects the number of bits which will be tested. This number includes only bits that are tested by the selected measurement type. 6. CRC or FE These fields determine what data will be displayed. Choices CRC displays cyclic-redundancy-check (CRC) err...

4-11 Screens Bit Error 2 Bit Error 2 Each time the Bit Error Test is run, four measurements are made (see Meas Num).Because of limited screen space, only two measurements are displayed at one time.The upper left side of the screen will display measurement 1 or 3, and the upperright side will display...

4-12 Screens Bit Error 2 NOTE This field is not featured in the Agilent 8922S. 2. Amplitude This field changes the RF generator amplitude. It is a duplicate of the RF generator’sAmplitude field on the RF Generator/RF Analyzer screen. See Also Screens: RF Generator/RF Analyzer (RF Generator). 3. Atte...

4-13 Screens Bit Error 2 11/19. Ratio/Count These fields select how frame errors/CRC errors will be displayed for both theIntermediate and Completed results. Choices Error displays the frame errors/CRC as a percentage permeasurement.Count calculates and displays the total number of bit errorscounted...

4-14 Screens Bit Error 2 18. 0.0 (Reference) This field is used to adjust the reference offset when using the tunable reference. 19. Count or Ratio This field determines how the frame erasures or cyclic-redundancy-check (CRC)errors will be displayed. Choices Count displays the number of frame erasur...

4-16 Screens Cell Configuration - GSM 900 Cell Configuration - GSM 900 Activated When Activated is displayed, the Agilent 8922M/S is operating as a base stationsimulator, and calls can be attempted. Most settings affecting cell configuration are not settable (cannot be changed) whileActivated. Choic...

4-18 Screens Cell Configuration - GSM 900 4. Aux BCCH This field allows selection of data and clock outputs. NOTE This is not featured in the Agilent 8922S. Choices Off causes the front-panel MODULATION IN/OUT DATA andCLOCK connectors to be inputs.Adjacent causes data and clock signals to be output ...

4-19 Screens Cell Configuration - GSM 900 8. Control Ch This field selects the control channel organization. Choices SD/4 selects a broadcast channel with a BCCH + CCCH +SDCCH/4 channel organization. The broadcast channel will be onthe physical channel defined under the Serv Cell ARFCN field,timeslo...

4-27 Screens Cell Control - Active Cell Cell Control - Active Cell This screens allows you to set up a call with the mobile to be tested and gives youaccess to the measurement screens. 1. Active Cell TestModeCW Generator This field selects the operating mode of the Agilent 8922M/S. The modes are: • ...

4-31 Screens Cell Control - Active Cell + Cell Control - Active Cell + This screen displays all the properties of the Active Cell screen plus five extra fieldsof information. 1. Bad Syncs This field is a count of bad synchronization occurrences since the last reset. See Also Cell Control 2 2. Burst ...

4-33 Screens Cell Control - Test Mode Cell Control - Test Mode This screens allows you to test the mobile phone without a call being set up. 1. GSM900 E-GSMDCS1800PCS1900 This field selects the type of mobile that is to be tested. Choices GSM 900E-GSMDCS 1800PCS 1900 2. Active Cell/TestMode/CW Gener...

4-35 Screens Cell Control - CW Generator Cell Control - CW Generator This screens allows you to set the Agilent 8922M/S up as a CW Signal Generator. 1. Base Station There are two Base Station fields. The Amplitude field sets the amplitude of theAgilent 8922M/S transmission. The Channel field selects...

4-37 Screens Cell Control 2 Cell Control 2 1. Adj Cell This field selects which adjacent cell SACCH measurement result to display. Theadjacent cells are prioritized by power level. One is the largest signal. Range 1 to 6 2. Amplitude This field changes the RF generator amplitude. It is a duplicate o...

4-39 Screens Cell Control 2 9. Connect This field selects how an Mobile Station (MS) originated call will be connected. Choices Manual connection means that a mobile-initiated call must beanswered manually using the key. Auto connection means that a mobile-initiated call will beanswered automaticall...

4-40 Screens Cell Control 2 12. DRX This field turns the discontinuous reception (DRX) mode of the mobile station on oroff. 13. DTX This field turns the discontinuous transmission (DTX) mode of the mobile station onor off. 14. Echo Delay This field sets the echo delay when the Speech field is set to...

4-43 Screens Cell Control 2 25. RACHs This field indicates the number of RACHs received during the current call or sincethe last Reset. 26. Relative MS Timing Err This field displays the length of time between when the Agilent 8922M/S expectedthe uplink burst to arrive and the time it actually arriv...

4-47 Screens Cell Control 2 34. Speech Gain This field sets the amplification of the Cond speech mode. NOTE This field is not featured in the Agilent 8922S. 35. TCH Control This field selects traffic-channel control type. Choices TCH1 HO selects an intercell handover based on the TCH1parameter selec...

4-48 Screens Cell Control 2 38. Timeslot This field selects the timeslot for the traffic channel selected in the TCH Parms field. Range 2 through 6 39. Timing Advance (mode) This field selects the timing advance mode. Choices Manual allows manual setting of the MS timing advance. When Manual is sele...

4-49 Screens Configure Configure 1. Aux RF In This field is used to indicate losses or gains between the AUX RF IN port and thedevice under test. NOTE This field is only used when the RF Level Offset field is set to On . Enter a positive value to indicate a gain (such as an amplifier). The SpectrumA...

4-51 Screens Configure 8. I/O Config This field allows you to access the I/O configuration screen. This screen allows youto select your printer configuration, GPIB and serial port communication settings. 9. Meas Reset (Meas Cntl) Selecting Meas Reset will erase any accumulated measurements used for ...

4-54 Screens CW Measurement CW Measurement 1. Amplitude (Expected Input) This field is the input amplitude to be assumed at the selected RF analyzer input.The amplitude shown is for the port selected in the RF Input field. Range RF IN/OUT: − 27.9 to +41.0 dBm. AUX RF IN: − 58.0 to +20.0 dBm. See Als...

4-56 Screens Fast Bit Error Fast Bit Error 1. Amplitude (Base Station) This field changes the RF generator amplitude. It is a duplicate of the RF generator’sAmplitude field on the RF Generator/RF Analyzer screen. See Also Screens: RF Generator/RF Analyzer (RF Generator). 2. BE Ratio This field selec...

4-58 Screens Fast Bit Error 10. MS Loopback This field is used to enter or display the Round Trip Delay (RTD) of the mobile(expressed in number of TDMA frames), before bits are compared. The correctnumber of TDMA frames can be determined automatically by making a Bit ErrorTest using Auto Mode when t...

4-60 Screens I/O Configuration 5. Form Feed This field allows you to select a form feed. This field is independent of FF at Startand FF at End. 6. HP-IB Adrs This is the GPIB address entry field. It represents the address of the instrument. Range 0 to 30. 7. IBASIC Echo This field turns IBASIC echo ...

4-61 Screens I/O Configuration 13. Parity This field selects parity for the rear panel serial port. Choices NoneOddEvenAlways 1Always 0 14. Print Adrs This field sets the GPIB print address. This field only appears when the Printer Portis set to GPIB. Range 0 through 30 15. Print Cancel This field c...

4-62 Screens I/O Configuration 18. Rcv Pace This field is used to select if data will be paced through the serial port. Choices None disables the Xon/Xoff functionXon/Xoff sets ASCII control codes Xon and Xoff to either start orstop data transmission from the computer to the instrument. 19. Serial B...

4-63 Screens Logging Logging IMPORTANT Option 003 must be installed and an external Protocol Logger must be connected forLogging functions to work.For full details on this option and this screen, refer to Appendix A, Protocol Logging.

4-64 Screens Measurement Sync Measurement Sync This screen defines settings that determine how synchronization will occur for anyof the following measurements: • Pwr Ramp and Pulse • Output RF Spectrum • Pulse On/Off Ratio 1. ARFCN If Auto is chosen in the Hopped TCH ARFCN Cntl field, the measured A...

4-65 Screens Measurement Sync 4. Burst Sel This field selects the burst that the measurement will synchronize to. Choices 0123Ext is used for selecting burst number 0, 1, 2, or 3 in real- timeusing the SYSTEM BUS (rear-panel connector) or using internalsignals while Activated. 5. Burst Type This fie...

4-68 Screens Measurement Sync 17. Sync Pattern Start Position This field is only displayed when Burst Type is set to User Def. It selects the startingbit position of a user defined synchronization pattern. Range 0 to 147. 18. Sync Status This field displays problems that were detected during digital...

4-69 Screens Message Message This screen makes a record of any messages. Up to 10 messages can be displayed. Ifthe 10-message limit is exceeded, the latest message is added to the bottom of thescreen, and the top message is removed from the screen. If the same operation error occurs multiple times, ...

4-70 Screens MS Information / Signaling MS Information / Signaling 1. Authentication Mode Choices None results in no authentication being performed. (This field onlyapplies if Special Option H05 is fitted.)Full-64 Authentication Mode requires that you use a test SIM thatimplements the authentication...

4-72 Screens MS Information / Signaling 7. MS Band Capability This field displays the value encoded in the Frequency Capability bits of the mobilestation classmark 2 as defined in ETSI-GSM 04.08.10.5.1.6. 8. MS Revision This field displays the value encoded in the Revision Level bits of the mobile s...

4-75 Screens Oscilloscope, Main Controls Oscilloscope, Main Controls 1. AF Anl In This field selects the AF analyzer input. Choices Scope In selects the SCOPE IN (MEASURE) front-panelconnector.Speech Out selects the signal going to the MON/SPEECH(DEMODULATION OUT) front-panel connector.AM Mod In sel...

4-77 Screens Oscilloscope, Trigger Controls Oscilloscope, Trigger Controls 1. AF Anl In This field selects the AF analyzer input. Choices Scope In selects the SCOPE IN (MEASURE) front-panelconnector.Speech Out selects the signal going to the MON/SPEECH(DEMODULATION OUT) front-panel connector.AM Mod ...

4-79 Screens Oscilloscope, Trigger Controls 10. Reset This field is used to arm a sweep trigger when Single is selected. 11. Scope Lvl This field selects the trigger source. Choices Scope Lvl uses the input signal level for triggering.External uses the front-panel MEASURE TRIGGER IN signal fortrigge...

4-80 Screens Oscilloscope, Marker Controls Oscilloscope, Marker Controls 1. AF Anl In This field selects the AF analyzer input. Choices Scope In selects the SCOPE IN (MEASURE) front-panelconnector.Speech Out selects the signal going to the MON/SPEECH(DEMODULATION OUT) front-panel connector.AM Mod In...

4-83 Screens Output RF Spectrum, Main View (Option 006 Only) 4. Mode This field selects the Output RF Spectrum measurement Mode. Choices Ramping measures the Output RF Spectrum power due toramping. (The peak value is returned within the time interval 28 µ s before bit 0 to 28 µ s after bit 147 or bi...

4-84 Screens Output RF Spectrum, Trace View (Option 006 Only) Output RF Spectrum, Trace View (Option 006 Only) This view displays output RF spectrum power spectral density (at the Freq Offsetsetting) versus time. The Agilent 8922M/S uses a 3-pole synchronously tuned filter to make OutputRF Spectrum ...

4-86 Screens Phase and Frequency Error - Multiburst OFF Phase and Frequency Error - Multiburst OFF 1. Amplitude This is a copy of the RF Analyzer Amplitude field. This is the amplitude to beassumed at the selected input port. Range RF IN/OUT: − 27.9 to +41.0 dBm. AUX RF IN: − 58.0 to +20.0 dBm. See ...

4-88 Screens Phase and Frequency Error - Multi-burst ON Phase and Frequency Error - Multi-burst ON NOTE When multiburst is turned on, display update rate for power versus time and phasetraces will be slowed down while multiple bursts are collected. 1. Amplitude This is a copy of the RF Analyzer Ampl...

4-90 Screens Phase and Frequency Error - Multi-burst ON 8. Sync Status This field displays any errors that occurred while trying to synchronize to thedemodulated data. See Also Making Measurements: Solving Problems Messages 9. Trig Delay This field sets the time delay between a valid trigger event a...

4-92 Screens Phase/Freq, Phase Err 4. Midamble This field provides the option of specifying the bits used for calculating an idealphase trajectory. (The DSP Analyzer calculates the ideal phase trajectory, thencompares it with the transmitted signal’s phase trajectory to determine phase andfrequency ...

4-103 Screens Pwr Ramp: Summary 9. View This field selects alternate views of the measurement. Choices Rise EdgeTop 2 dBFall EdgeSummary If you have option 006 installed, you also have access to the following • Pulse • Puls Rise • Puls Fall 10. ZeroPower This field zeros the power meter. RF power mu...

4-107 Screens Pwr Ramp: Pulse Rise (Option 006 Only) Pwr Ramp: Pulse Rise (Option 006 Only) This view displays Pulse On/Off power spectral density versus time for the risingportion of the burst. 1. Amplitude This is a copy of the RF Analyzer Amplitude field. This is the amplitude to beassumed at the...

4-111 Screens RF Generator / RF Analyzer (AF Gen) RF Generator / RF Analyzer (AF Gen) 1. Amplitude This field is the AF Generator Audio Out amplitude setting. Range 0.0 mV rms to 8.84 V rms. 2. Coupling This field selects ac or dc coupling of the AF Generator Audio Out signal. 3. Frequency This fiel...

4-112 Screens RF Generator / RF Analyzer (RF Analyzer) RF Generator / RF Analyzer (RF Analyzer) 1. Accuracy This field selects the input accuracy of the RF Amplitude setting to be assumed bythe instrument for setting the Open/Auto DAC Value when in Auto AGC mode. Choices +-3 dB+-1 dB 2. AGC Mode Thi...

4-113 Screens RF Generator / RF Analyzer (RF Analyzer) 3. Amplitude This field is the input amplitude to be assumed at the selected RF Analyzer input.The amplitude shown is for the port selected in the RF Input field. Range RF IN/OUT: − 27.9 to +41.0 dBm. AUX RF IN: − 58.0 to +20.0 dBm. See Also Cha...

4-114 Screens RF Generator / RF Analyzer (RF Analyzer) 10. Hop Trig This field selects whether the RF Analyzer is armed or disarmed to accept a hoptrigger. Hop Trig cannot be set to Arm until Hop Mode is set to Hop. NOTE Do not make measurements with Hop Trig set to Disarm and Hop Mode set to Hop . ...

4-115 Screens RF Generator / RF Analyzer (RF Gen) RF Generator / RF Analyzer (RF Gen) 1. Amplitude This is the amplitude entry field. The amplitude shown is for the port selected in theRF Output field. Range RF IN/OUT: − 127.0 to − 7.0 dBm. AUX RF OUT: − 127.0 to +10.0 dBm. See Also Chapter 3: Speci...

4-117 Screens RF Generator / RF Analyzer (RF Gen) 9. Pulse This field selects pulse modulation and triggering. When Activated (see Screens:Cell Configuration) these signals are internally generated. Choices Off turns pulse modulation off.Hop Trig automatically pulses the RF Generator off for onetime...

4-118 Screens Service Service This screen is documented in the service documentation. To escape, press . PREV

4-119 Screens SMS Cell Broadcast SMS Cell Broadcast 1. Broadcast Status This field indicates whether there is a valid (”Sending”) or invalid (”Idle”) messagebeing sent on the cell broadcast channel (CBCH). This field switches to Sendingwhen a valid message is being sent. The “Off” status indicates t...

4-120 Screens SMS Cell Broadcast 4. Language This field selects the data coding scheme used for the message. “Default GSM” setsthe value of the data coding scheme to 0xF0. The default for message 1 is “English”.The default for message 2 is “German”. Choices GermanEnglishItalianFrenchSpanishDutchSwed...

4-123 Screens Spectrum Analyzer, Main Controls (Option 006 Only) 2. Center Freq This field sets the center frequency when the RF Analyzer’s Hop Mode is set toNon-Hop. Range 10.0 to 1015.0 MHz. 3. Marker The two fields display the frequency and the level at the current marker position. See Also Keys:...

4-127 Screens Spectrum Analyzer, Auxiliary Controls Spectrum Analyzer, Auxiliary Controls 1. Controls This field selects the alternate Controls of the Spectrum Analyzer measurement. Choices MainRF GenMarkerAuxiliary 2. Auto Hold (Input Atten) This field selects the Input Attenuator mode or value. Th...

4-128 Screens Spectrum Analyzer, Auxiliary Controls 3. RF Input This field selects the RF input port for the spectrum analyzer. Choices RF IN/OUTAUX RF IN Range RF IN/OUT: − 27.9 to +41.0 dBm. AUX RF IN: − 58.0 to +20.0 dBm. 4. Video BW The video bandwidth field can be set to one of three settings: ...

4-129 Screens Tests Tests Instrument BASIC Refer to chapter 8, Instrument BASIC for information about the Tests Screen.

5-3 Keys Function Keys Function Keys 1. ADRS This key is used to display the GPIB address. See Also Screens: Config 2. ASSIGN This key is used to assign global (G1, G2, G3) and local (L1, L2) keys for single-keystroke access to a field on the currently displayed screen, or to display a fieldfrom ano...

5-6 Keys Function Keys 15. MEAS SYNC This key is used to access the measurement synchronization screen. See Also Screens: Measurement Sync 16. METER This key is used to display a measurement in both a digital readout and an analogmeter display. You can choose your own meter scale by selecting the Me...

5-9 Keys Function Keys 28. RFG/RFA This key is used to access the RF Generator/RF Analyzer screen, and gain directcontrol over the internal source and receiver. NOTE The changes to settings on this screen may affect the operation of the Cell Controlscreen. Pressing will ensure that the instrument re...

5-10 Keys Local Keys Local Keys L1, L2 Keys L1 and L2 are local keys. They are used to move between fields on the screenthat is currently displayed. To Assign a Local Key • Use the knob to position the cursor at the field of your choice. • Press • Press (ASSIGN). • Press one of the Local keys , . Th...

5-11 Keys Global Keys Global Keys G1, G2, G3 Keys G1 through G3 ( - (G1), - (G2), or - (G3) are global keys. They can access fields that are not displayed on the current screen. To Assign a Global Key, • Use the knob to position the cursor at the field of your choice. NOTE The following screens do n...

5-12 Keys Units Keys Units Keys Units in some field types can be changed by pressing an applicable units key. • Pressing a units key while the cursor is positioned next to a measurement fieldconverts the measurement to the new units, for example, dBm, W, V. • Pressing a units key before a measuremen...

6-1 6 Connectors NOTE: If you have the Agilent 8922M/S Option 010 Multi-Band Test System, refer to theappropriate Agilent 8922 Multi-Band User’s Guide for more information onconnection and operating differences.

6-2 Connectors Front-Panel Connectors of the Agilent Technologies 8922M/S Front-Panel Connectors of the Agilent Technologies8922M/S 1. AUX RF IN The auxiliary RF input connects to the input section and to the RF analyzer (ifselected). This connector provides a higher sensitivity and lower maximum-po...

6-4 Connectors Front-Panel Connectors of the Agilent Technologies 8922M/S 5. DATA(DEMODULATIONOUT)(Agilent 8922M Only) This connector is the digital demodulation DATA signal which is generated whendigitally demodulating one out of eight timeslots of GSM 0.3 GMSK modulation. DATA (DEMODULATION OUT) i...

6-6 Connectors Front-Panel Connectors of the Agilent Technologies 8922M/S 10. IN/OUT DATA(MODULATION)(Agilent 8922MOnly) Data Input This connector is a data input when the instrument is settable.(See the Cell Configuration screen.) It is used to input 0.3GMSK modulation data (if selected) to the RF ...

6-7 Connectors Front-Panel Connectors of the Agilent Technologies 8922M/S 12. MON/SPEECH(Agilent 8922MOnly) This connector is the output of the audio analyzer. One of several uses for thisconnector is to monitor the received speech from an MS. To choose demodulatedspeech, select SpeechOut from the A...

6-8 Connectors Front-Panel Connectors of the Agilent Technologies 8922M/S 15. PULSE(MODULATION)(Agilent 8922MOnly) The PULSE connector connects to the hop controller and to the RF output section(when selected as active). This signal is the TTL input to externally control when the amplitude is pulsed...

6-10 Connectors Rear-Panel Connectors of the Agilent Technologies 8922M/S Rear-Panel Connectors of the Agilent Technologies8922M/S 1. 10 MHz OUT The 10 MHz output connector is connected to the 10 MHz oscillator in the referencecircuitry. This signal is a general-purpose 10 MHz reference output (sine...

6-12 Connectors Rear-Panel Connectors of the Agilent Technologies 8922M/S Electrical Characteristics of the DAI/EMMI The state of a signal pin is defined by the voltage (V) between the pin and itsassociated ground. Figure 6-1 EMMI Connector Pin Numbers See Also Screens: Cell Control (DAI: Test , Nor...

6-14 Connectors Rear-Panel Connectors of the Agilent Technologies 8922M/S 6. OPT 001 REFOUT The option 001 reference output connector, when present, is connected to an high-stability 10 MHz reference. Typically, it is connected to REF IN (using an Agilentsupplied short jumper cable) to get all timeb...

6-15 Connectors Rear-Panel Connectors of the Agilent Technologies 8922M/S 7. Parallel Port This port is used with printers requiring a parallel interface when printing. Useaddress 15 when sending data to this port from IBASIC Programs Pin assignments are as follows; 1 nStrobe 2 Data 1 (Least Signifi...

6-16 Connectors Rear-Panel Connectors of the Agilent Technologies 8922M/S 9. Protocol Interface This port is only available if Option 003 is fitted. It allows protocol messages to be sent to an external protocol logger. Refer to Appendix A for more information. 10. REF IN The timebase reference inpu...

6-17 Connectors Rear-Panel Connectors of the Agilent Technologies 8922M/S 12. SERIAL PORT The serial interface port is a multipin connector. It is connected to the mainmicroprocessor. It is used to connect a terminal to develop IBASIC programs,locally, without an external GPIB controller. It can als...

6-18 Connectors Signal Descriptions for SYSTEM BUS Signal Descriptions for SYSTEM BUS System Bus PinNumber Overview Table 2-1 System Bus Connector Pin Numbers Pin Number Signal Name Pin Number Signal Name 1 FP_DATA 20 FP_CLOCK 2 GND 21 MEAS_TRIG_OUT 3 RP_GSM_RST_IN 22 DEMOD_DATA 4 DEMOD_CLK 23 DEMOD...

6-21 Connectors Signal Descriptions for SYSTEM BUS RP_DMOD_TRIG Pin 7 Input This is the rear-panel trigger signal input for digital demodulation. It connects to theDSP analyzer. It can also be used for other triggered measurements. This signal is active when the digital demodulator’s demodulation tr...

6-22 Connectors Signal Descriptions for SYSTEM BUS RP_HOP_ADRS0,throughRP_HOP_ADRS9,RP_HOP_ADRS10 ADRS0-Pin 12, ADRS1-Pin 31 ADRS2-Pin 13, ADRS3-Pin 32 ADRS4-Pin 14,ADRS5-Pin 33 ADRS6-Pin 15, ADRS7-Pin 34 ADRS8-Pin 16, ADRS9-Pin 35ADRS10-Pin 17, Inputs These are the rear-panel hop frequency table ad...

6-26 Connectors Signal Descriptions for SYSTEM BUS USE_MEM_EXT_TRIG 27 Pin Input This is the external trigger source for Use Mem. When Trig Source is Ext (see Screens: Digital Demod), a TTL high on this pin willinitiate data capture for Use Mem. RP_BURST_T1 and RP_BURST_T2 must select the correct bu...

6-27 Connectors Timing Diagrams Timing Diagrams Figure 6-2 Digital Demodulation Timing Specification Table

7-1 7 Messages Messages can be reviewed by pressing , (MSSG). If you have the Agilent 8922M/S Option 010 Multi-Band Test System, there may beadditional error messages. Refer to the appropriate Agilent 8922 Multi-Band User’sGuide for more information. SHIFT MEAS SYNC

7-2 Messages Communication Failures Communication Failures The following four messages require you to cycle power on the instrument tocontinue any operation. • DSP Analyzer Communication Failure • Hop Controller Communication Channel Failure • Protocol Processor Communication Channel Failure • Commu...

7-3 Messages Firmware Error Firmware Error During a power-up cycle the following error message may appear; Firmware revision error in module XXXXX Take a note of the module name and contact your local Agilent Technologies Salesand Service Office for more information.

7-4 Messages Sync Status Sync Status This field displays any errors that occurred while trying to synchronize thedemodulated data. Some screens use this field to display progress during multi-burstmeasurement. When the measurement is completed to field returns to its normalstate. Bad Sync (fordemodu...

7-5 Messages Protocol Error Messages Protocol Error Messages A protocol error may be generated by one of six sources. • Expiry of a timer • An error detected by the physical hardware interface layer (PH) • An error detected by the Data Link layer (DL) • An error detected by the Radio Resource sublay...

7-6 Messages Timers Timers The following is a brief description of the timers. Physical LayerTimer T100 Radio Link Failure”Loss of SACCH on uplink.” Data Link LayerTimers T200 Data Link Failure”Failed to receive RR or other acknowledgment ofan I frame.” Radio ResourceManagementTimers. T3101 IMMEDIAT...

7-7 Messages Timers Call Control Timers. T301 Call Received timer”MS failed to connect.” T303 Call Present timer”MS failed to respond to SETUP with CALL_CONFor REL_COMP.” T305 Disconnect Indication timer ”MS failed to respond to DISC with REL or DISC.” T306 Disconnect Indication Tone timer ”MS faile...

7-8 Messages Disconnects Disconnects Physical LayerDisconnects Physical Hardware interface layer error codes are proprietary to the Agilent8922M/S. The defined error codes are as follows: ”Call disconnected: PH Error: 0x00??” Causes: 0x0096 - 0x009c Channel or Speech coder failure. 0x009d Channel co...

7-9 Messages Disconnects Radio ResourceLayer Disconnects The RR sub-layer only generates timer expiry error codes. ”Call disconnected: RR Error: 0x00??” Causes: No RR reports are supported. MobilityManagement LayerDisconnects Mobility Management sub-layer error codes are proprietary to the Agilent 8...

7-11 Messages Protocol Log Examples Of Typical Calls. Protocol Log Examples Of Typical Calls. We often have requests for ‘What is a good call supposed to look like?’. Inappendix A you will find the complete Common Air Interface protocol log of atypical call. It includes: Call Setup, Intra-cell Hando...

7-12 Messages Monitoring For Protocol Failure And Recovery During Test. Monitoring For Protocol Failure And Recovery DuringTest. The Agilent 8922M/S provides error reporting for protocol errors. These errors maybe due to mobile failure, base station failure or a faulty user configuration. It is wise...

8-2 Instrument BASIC Agilent Technologies 8922M/S Instrument BASIC Overview Agilent Technologies 8922M/S Instrument BASICOverview The Agilent 8922M/S contains an HP Instrument BASIC computer that can runprograms to control the Agilent 8922M/S and any connected GPIB equippedinstruments. This provides...

8-4 Instrument BASIC Configuration and Instrument Control Configuration and Instrument Control ControllingHP 8922M/SFunctions The Agilent 8922M/S’s IBASIC computer acts much like a system controllerconnected by a GPIB cable to the Agilent 8922M/S; but instead of a cable, theAgilent 8922M/S has its o...

8-6 Instrument BASIC Configuration and Instrument Control Serial PortConfiguration forProgramming Connecting the Serial Port 1 Connect an RJ-11/RS-232 adapter (Agilent P/N 98642-66508) to the 25-pinRS-232 connector of your terminal or personal computer (PC). (If your PC has a9-pin RS-232 port, use t...

8-8 Instrument BASIC Configuration and Instrument Control 1 Load and run HP AdvanceLink on your PC. 2 Set the Global Configuration settings. a Keyboard: USASCII b Personality: HP c Language: ENGLISH d Terminal Mode: Alphanumeric e Remote To: (Enter your PC’s serial port number.) f Printer I/F: None ...

8-10 Instrument BASIC Loading, Storing, and Running Loading, Storing, and Running This section describes loading, storing, and running both IBASIC programs and testprocedures using the TESTS subsystem. Loading An IBASICProgram From AMemory Card 1 Insert the memory card. 2 Access the IBASIC Controlle...

8-12 Instrument BASIC Loading, Storing, and Running Figure 8-2 Loading a Test Procedure 3 Select the Procedure field. Refer to item (3), see Figure 8-3 on page 8-13. 4 Choose the Test Procedure file that you want to download. Refer to item (4),see Figure 8-3 on page 8-13. (The Test Procedure you sel...

8-13 Instrument BASIC Loading, Storing, and Running NOTE The Test Procedure file should have a Test Library file with the same name. Refer tothe Programming and Using the TEST Subsystem for descriptions of Test Procedureand Library files, and how these files relate to the program’s code file. Figure...

8-14 Instrument BASIC Loading, Storing, and Running Figure 8-4 Test Procedure and Test Library Files 3 Select the Procedure field shown by item (3), see Figure 8-5 on page 8-15. 4 Enter the Test Procedure filename that you want to make or delete by using thealpha/numeric list of characters shown by ...

8-15 Instrument BASIC Loading, Storing, and Running Figure 8-5 Making a Test Procedure File Running a TestSequence 1 Select the Run Test field. 2 Follow directions and prompts on the Agilent 8922M/S screen according to thetest sequence being run. 3 When testing is complete, the Agilent 8922M/S will ...

8-16 Instrument BASIC Entering and Editing Programs Entering and Editing Programs The IBASIC Controller screen is the “computer” for the TESTS subsystem. Youenter and edit programs just like any other IBASIC computer, with the exceptionsthat the Agilent 8922M/S does not have a computer keyboard conn...

8-18 Instrument BASIC Entering and Editing Programs Other PROG Commands Two additional PROG Commands are used to prepare the Agilent 8922M/S’sIBASIC Controller RAM for receiving programs. OUTPUT Addr;”PROG:DEL” deletes any programs currently residing in RAM. OUTPUT Addr;”PROG:DEF #0” defines the add...

8-19 Instrument BASIC Entering and Editing Programs Line-by-line Entry and Editing Program lines in the Agilent 8922M/S’s RAM can be entered and edited one line ata time from your computer using the PROG command - OUTPUT Addr;”PROG:EXEC ‘<program line/command> ’” with <program/command> r...

8-20 Instrument BASIC Memory Cards Memory Cards This section contains information about memory cards and about programming theAgilent 8922M/S. You are also shown how to connect a radio to the Agilent8922M/S in order to run automated tests from the main radio-test screen (referred toas the “Test Exec...

8-22 Instrument BASIC Memory Cards Initializing an SRAM Memory Card An SRAM memory card must be initialized before it can be used. Initialize theSRAM memory card by using the COPY_PL program (which at the same time you can copy Test Procedure and Test Library files to the memory card). Otherwise,ini...

8-23 Instrument BASIC Memory Cards Setting the Write-Protect Switch The SRAM memory card’s write-protect switch lets you secure its contents frombeing accidentally overwritten or erased. The switch has two positions as illustratedin Figure 8-8 on page 8-23: • Read-write – The memory-card contents ca...

8-26 Instrument BASIC Programming and Using the TESTS Subsystem Programming and Using the TESTS Subsystem This section describes the concepts and tasks associated with the TESTS subsystem.It is intended to help the experienced programmer develop programs, or modifyexisting programs. TESTS SubsystemF...

8-27 Instrument BASIC Programming and Using the TESTS Subsystem Figure 8-10 TESTS Subsystem File Relationship TESTS SubsystemScreens The TESTS subsystem uses several screens to create, select, and copy files, and torun tests. The Main TESTS Subsystem Screen Refer to Figure 8-11 on page 8-28. The Mai...

8-28 Instrument BASIC Programming and Using the TESTS Subsystem Figure 8-11 The Main TESTS Subsystem Screen TESTS SubsystemUser-InterfaceScreens The TESTS subsystem allows the user to easily modify the test subroutines,parameters, specifications and configuration to correspond to the requirements of...

8-34 Instrument BASIC Programming and Using the TESTS Subsystem Test Sequence as described below. 3 When finished editing sequence select to return to test screen. a. Select either Edit Parm or Edit Spec from the test function field to continue editing. OR b. If editing is complete, select and press...

8-35 Instrument BASIC Programming and Using the TESTS Subsystem 1 and select the field Test Function at the bottom of the screen. 2 From the list of Choices in the revealed box, select Edit Parm and edit the Test Parameters as described below. 3 When finished editing parameters select to return to t...

8-37 Instrument BASIC Programming and Using the TESTS Subsystem Figure 8-17 Instrument-Configuration Screen Program Structure for TESTS Subsystem Programs Writing programs that take advantage of the TESTS subsystem capabilities requiresthe programmer to understand how to structure the program to acc...

8-41 Instrument BASIC Programming and Using the TESTS Subsystem Program Listing Explanation The following is line-by-line explanation of the commands shown in the previousprogram example. Each explanation is in the format; Linenumber: Command Description 10: This first line must contain the name of ...

8-42 Instrument BASIC Programming and Using the TESTS Subsystem 590: Initialize I_o$ to a null string. 600: I_o$ holds the value of the return string. 610: Tst now hold the value of the current test. This value is equal to the index of theTest Name in the Test selection list shown on the Test Seqn s...

8-43 Instrument BASIC Programming and Using the TESTS Subsystem 880: Indicate that one of the tests have failed. 890: The goto for the end of the program. 900: End of the main program. 910: Subroutine T01-This corresponds with test #1. This subroutine illustrates howto enter values from the Paramete...

8-44 Instrument BASIC Programming and Using the TESTS Subsystem 1230: Set the lower limit from the value in the string. 1240: Set the upper limit from the value in the string. 1250: Set Test$ to whether “Upper”, “Lower”, “Both”, or “None” of the specs are tobe tested. 1260: End of this subroutine. 1...

A-2 APPENDIX A Purpose Purpose NOTE This feature is not available on the Agilent 8922S. Protocol Logging captures protocol messages to and from the mobile station inbuffers in the Agilent 8922M. Messages can then be sent to an external ProtocolLogger, such as the HP/Agilent 37900D, through the Proto...

A-3 APPENDIX A Equipment Required Equipment Required ❒ HP/Agilent 37900D (Latest Revision). ❒ HP/Agilent 37967A HP/Agilent 8922G protocol monitor application software. 1 ❒ HP/Agilent 37966B GSM software. ❒ HP/Agilent 15756A Interface Cable. ❒ HP/Agilent 37910A Slave Signalling Card. ❒ HP/Agilent 379...

A-4 APPENDIX A Connecting the Agilent 8922M to the HP/Agilent 37900D Connecting the Agilent 8922M to the HP/Agilent 37900D Figure A-1 Cabling Setup - Front View Figure A-2 Cabling Setup - Rear View Using HP/Agilent 15756A Interface cable, connect PORT A on the rear of theHP/Agilent 37900D to the Pro...

A-5 APPENDIX A Setting Up the Agilent Technologies 8922M Setting Up the Agilent Technologies 8922M Camp On Firstly, the Mobile Station should be "camped" on to the Agilent 8922M. That is theMCC, MNC, LAC should all be correct, and any adjustments to power level made asappropriate to the Mobi...

A-6 APPENDIX A Setting Up the HP/Agilent 37900D Setting Up the HP/Agilent 37900D Check Software Ensure that HP/Agilent 37966B and HP/Agilent 37967A software has been installedinto the HP/Agilent 37900D. This software enables the HP/Agilent 37900D tocommunicate with the Agilent 8922M. Set Personality...

A-7 APPENDIX A Setting Up the HP/Agilent 37900D From the HP/Agilent 37900D start-up screen highlight MANUAL MODE . Select until CONFIGURATION is highlighted then hit . Then from the CONFIGURATION MODE menu, press ’M’ and select the slot to be modified. Set up the parameters for Port A as shown below...

A-8 APPENDIX A How to Obtain a Protocol Log How to Obtain a Protocol Log NOTE Protocol units are stored in a buffer in the Agilent 8922M until a certain number(~100) has been accumulated, and then they are sent out to the interface in a block.This means that it is not possible to have time stamps at...

A-9 APPENDIX A How to Obtain a Protocol Log Agilent 8922MLoggingStart-up To log protocol messages into the Agilent 8922M 1 Select Log/Pause 2 Select Clear Log 3 Select Log/Pause Make Call With the real time display enabled (To see the messages themselves on theHP/Agilent 37900D, Press ’R’ to get a r...

A-10 APPENDIX A How to Obtain a Protocol Log SystemInformation sentand received Once the call is up, then System Information messages will begin to appear for theentire duration of the call. Since there is only one ’BTS’ there will be no handoversduring the call. The System Information messages cont...

A-11 APPENDIX A Additional Information Additional Information Logging Screen The logging screen gives you control over the Protocol Interface port on the rearpanel (option 003). This function is selected by highlighting More and selecting LOGGING . No protocol logging messages appear on the Agilent ...

A-12 APPENDIX A Additional Information 4. Pass Filter The Pass Filter allows you to select only the category ofprotocol messages you want logged into the Agilent 8922Minternal logging buffers. Choices• NetwkOnly will pass these messages: • peer-to-peer messages between the network layers (signaling ...

A-13 APPENDIX A Protocol Log of a Typical Call Protocol Log of a Typical Call For brevity, the protocol log shown in the User’s Guide is in a shorter form than thatpresented by the HP/Agilent 37900D GSM 04.08 decoding option. This is a protocol log of the Common Air Interface (CAI) for a typical cal...

B-2 Glossary ARFCN Absolute Radio Frequency Channel Number BCH The BCH (Broadcast Channel) is a beacon which is alwaysturned on so that mobile can look out for it when trying to findservice. A useful BCH always carries information in timeslot 0.The BCH ARFCN has to be active in all timeslots to allo...

Index Index-1 A ABORTS, A-8 from the Agilent 8922M, A-8sending to HP/Agilent 37900D, A-8 absolute radio frequency channel number, 4-17, 4-18, 4-23, 4-24, 4-37, 4-64 ac coupling AF generator, 4-111 AC Level Audio, 4-4 Activated Cell Configuration, 4-16, 4-22 active cell+ single/hop, 4-32 address exte...