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Agilent Technologies 8922M, S GSM manual Advanced Features

Models: 8922M S GSM

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Power Ramp Setting Time

Peak Carrier Power

Measurement,

Assumptions And

Algorithm

Making Measurements

Advanced Features

The mobile transmitter output ramp should settle so that it complies with the power mask (GSM Rec 11.10) by the time output level calibration is done in the manufacturing process. The power mask is displayed in the Power Ramp screens.

Peak Carrier Power measurement method is not made to GSM Rec. 11.10. If you need to make a measurement to this speciﬁcation, go to the Power Ramp Summary screen. The ﬁeld in the top right-hand corner displays the Peak Carrier Power to GSM Rec. 11.10. Refer to PWR RAMP: SUMMARY screen (item 5) for a description.

The algorithm for the Peak Carrier Power measurement is based on the use of a fast sampler taking continuous asynchronous measurements of the power detected at the RF IN/OUT port.

The sampler accumulates 75μS sample bins containing the maximum power observed during the period and the minimum power observed during the period. Sampling rate is 10 MHz. The maximum and minimum values observed are based on 750 individual samples within the period.

A trigger is provided at the middle of bit 0 of the burst. (When using RF Rise triggering, the actual trigger may occur several bits earlier due to the ramp up of the burst.) In response to this trigger, the following 6 sample bins (0 - 5) from the sampler are saved and reported to the measurement processor.

Timeslot

0μS

577μS

Mobile Burst

Amplitude

Trigger

Sample

Bins


-2 -1 0 1 2			3	4 5 6		7 8	9
					375μS Window
					375μS Window
	75μS/sample_bin

2-41

Image 69

Agilent Technologies 8922M, S GSM manual Advanced Features

Contents

Agilent Part No January User’s Guide Agilent Technologies 8922M/S GSM Test SetPage Contents Screens Keys Connectors Appendix a Contents-6 Warranty Responsibilities of the Customer Restricted Rights Legend Electromagnetic Compatibility EMC Information Declaration of Conformity Safety Information Do not Operate in AN Explosive Atmosphere ISM 1-A Safety SymbolsSales and Service Offices Canada Agilent Technologies 8922M/S Documentation Description Typeface Conventions Installing Your Agilent 8922M/S Using this Chapter Voltage Selection Card and Fuse Installation Other Fusing Fuses and Power CordsLine Voltage Fuse SelectionPower Cords Rear View Connections Installation OverviewAccess Config Screen High-stability timebase set-up General Information Making Measurements Making Measurements Agilent Technologies 8922M/S Operating Modes Test ModeActive Cell CW GeneratorActive CELL+ Test MODE+ CW GENERATOR+ Agilent 8922M/S Operating ModesMaking a Call From the Mobile Phone to the Agilent 8922M/S Active CellMaking a Call From the Agilent 8922M/S to the Mobile Phone Active Cell ModeChanging Channel, Timeslot, and the Transmit Level Shift , Cell Config MS InfoMobile phone Test Mode Select Test Mode Mobile Phone Receiver Testing Using Test Mode CW Generator GSM Specific MeasurementsMeasurements Ancillary MeasurementsPeak Power Measurements MeasurementMethod Frequency Error PhasePhase and Frequency Error Measurements Measurement MethodPower Ramp Measurements Power Ramp Mask MeasurementsFailed Measurement SummaryPassed Blank fieldPulse Measurements Bit Error Rate Measurement Bit Error RateMeasurements Output RF Spectrum Measurements 31,4Measurements 32 dB 51 dB 70 dB 39 dBm 27.5 37 dBm ≤ 33 dBm Method Spectrum Analyzer Measurement Oscilloscope Measurements ScopeAudio Measurements AudioCW Measurements Out port Is a Message Line displayed at the top of the screen? If You Have Problems with a MeasurementIf You Have Problems with a Measurement Trigger Timing B Trigger Timing aTrigger Range For Pulsed RF Is an Error Message Displayed in the Sync Status field? Solution 1 Trigger Timing Possible Solutions to Sync Status ErrorsSolution 2 Midamble Sync Solution 3 Level If FM Errors Solution 4 Amplitude EnvelopeOther Screens Advanced Features⎛ RFin 20 ⎞ Advanced Features Making Measurements UsingSynchronized ExternalServlatchval Operations UnexpectedAdvanced Features Advanced Features Advanced Features Verifying Performance About This Chapter Setting up the Tests Equipment HP/Agilent Model Number Getting the Right EquipmentTo Load the Program Using Compatibility Switch Installing and Operating the SoftwareUnderstanding the Tests Back ConversionForward Conversion Gpib AddressesTo Run the Program 1 Type RUN, press Enter Things To Check In Case Of Problems Test 01 Signal Equipment Required Generator LevelUnderstanding the Tests Theory of the TestTest 02 Signal Generator Spectral Purity Understanding the Tests Test 07 Oscilloscope Equipment Required Test 06 Audio Equipment Required Frequency AnalyzerTest 09 RF Analyzer Equipment Required Gmsk Modulation Test 08 RF Analyzer Equipment Required LevelTest a RF Analyzer Equipment Required Pulse DemodulationTest B Spectrum Analyzer Option 006 only Equipment Required Assemblies Tested P=Primary S=Secondary Understanding Test FailuresAgilent Technologies 8922M/S Specifications RF Generator Frequency SpecificationsGSM900 Functionality SWR OutputPulse Modulation Spectral PurityAM for Level Control Agilent 8922M Only DB Pulse Modulation Agilent 8922M onlyRF Analyzer Frequency Specifications CW RF Power Measurements RF In/Out OnlyCW RF Frequency Measurement Peak/Transmitter Carrier Power Measurement Power Measurement AccuracyPulse ON/OFF Ratio Measurement Requires Option Accuracy ON/OFF 40 dB, RF In/Out only Amplitude Envelope MeasurementInaccuracy due to Noise for overshoots ≤ 1 dB Gmsk Data Recovery Agilent 8922M only Phase and Frequency MeasurementsPulse Demodulation Output Agilent 8922M only FM Demodulation Output Agilent 8922M onlyDynamic Range dB Span Bandwidth Spectrum Analyzer Specifications OptionAudio Source Frequency Specifications Audio Analyzer Frequency Measurement SpecificationsOutput Level AC Voltage Measurement DC Voltage MeasurementDistortion Measurement Oscilloscope Specifications Audio FiltersAudio Detectors Remote Programming General SpecificationsOperating Environment Using both arms to lift instrumentReference Specifications Fixed Reference ModeTunable Reference Mode Agilent Technologies 8922M/S Speciﬁcations Screens Data Entry Field TypesField Types Audio Scope In selects the Scope in Measure front-panel See Also Keys High LIMIT, LO LIMIT, AVG Meas Reset Meas Cntl Speaker ALC Speaker VolChoices None SpeechBit Error ResultsSelected measurement type CRC or FE Control Res Type MeasureBit Error This field is not featured in the Agilent 8922S 11/19. Ratio/Count Meas Cntl RatiosBit Error Cell Configuration GSM Field State AmplitudeArfcn Range Through Aux Bcch BCCLAC Control ChRange 10. MA1MAIO1 11. MA2MAIO2 MCCSettable Activated Cell Configuration E-GSM, DCS 1800, PCSCell Conﬁguration E-GSM, DCS 1800, PCS BCC Base Station Colour Code is displayed in this ﬁeld Number 1 MA1 MAIO1 Active Cell TestMode CW Generator Cell Control Active CellGSM/DCS1800/P Range GSM900 OnlyGSM Call See Also SpeciﬁcationsTX Level Mobile Timeslot Mobile Range Through 6 , 1, and 7 are used for call maintenanceCell Control Active Cell + Decode ErrsSee Also Cell Control Single/Hop Choices GSM Cell Control Test ModeDCS PCSTX Lev ChannelCell Control CW Generator Shown will not correspond to the channel in amplitude Cell Control Single Other SettingsCall Status TCH State CallerConnect DTX DRXOr off Execute19. MM Inactive Active ModeLoc Upd Ident Auth TmsiCCITT-23 Choices CCITT-15 2RACHs Reset CallTiming Err CountsBased on the TX Level field Control ChoicesCell Control Signaling Speech Test Timeslot Mode ChoicesAux RF ConfigureAux RF Out Although a power cycle is recommendedCntl O ConfigOffset OPTRF IN/Out Choices 13 MHz 10 MHzTime ServiceCW Measurement Amplitude Expected InputCW Freq, CWFreqErr Frequency Expected Input Meas Reset Meas Cntl CW PowerCntl IN/OUT port when executing this function RF IN/OUTFast Bit Error Mobile Burst Delay range 0 through Specification ConfigurationChoices Bits FF at StartInst Echo Form FeedLine Feed Lines/PageChoices Serial See Also Keys PrintParallel Print TitleChoices 300 600 1200 2400 4800 9600 19200 Serial Stop data transmission from the computer to the instrumentIbasic control of the serial input port Stop the instrument from transmitting to the computerLogging Be the lowest frequency Arfcn in the hop sequence Measurement SyncBurst Used Burst SelFirst Bit Demod ArmSee Also Screens Meas Sync Hopped TCH Arfcn Cntl MidambleTo the selected Midamble or User Defined Sync Pattern Trig Delay Sync Pattern Start PositionTrig Qual Message Authentication Choices MS Information / SignalingMode Applies if Special Option H05 is fitted Implements the authentication algorithm specified in RecImsi Attach/Detach CipheringLast LAI LocationCapability MS BandMS Revision MS ImsiMS Information / Signaling Rand MS SresBS Sres Oscilloscope, Main Controls Controls Meas ResetMarker Time/divOscilloscope, Trigger Controls Cont/Single Auto/NormLevel div Pre-TrigScreens Oscilloscope, Marker Controls Marker To Peak+Position Output RF Spectrum, Main View Option 006 Only Freq OffsetSync Status Spectrum Output RFSingle/Cont ViewOutput RF Spectrum, Trace View Option 006 Only SyncStatus Phase and Frequency Error Multiburst OFF OFF ON/OFFDone Phase and Frequency Error Multi-burst onPeak Phase ErrorsError Mean Maximum Minimum Last Peak phase RMS phaseWanted Burst Only ChoicesPhase/Freq, Phase Err BurstsMarker Pos Frequency error Phase/Freq, Data Bits Trg Timing PolarityPwr Ramp Rise Edge Pk TX Pwr MaskPwr Ramp, Top 2 dB Pulse Puls Rise Puls Fall Pwr Ramp, Fall Edge 100 Ampl1-12 Pwr Ramp SummaryFlatness Power over the useful bits in the measured burstSummary Time1-12103 Fall Pos Pwr Ramp Pulse Option 006 OnlySee Also Making Measurements Solving Problems Messages Meas Sync Sync StatusRise Pos 106 MarkerPos Pwr Ramp Pulse Rise Option 006 OnlyPOnOffRise Pwr Ramp Pulse Fall Option 006 Only POnOffFall RF Generator / RF Analyzer AF Gen AGC Mode RF Generator / RF Analyzer RF AnalyzerAccuracy Hop Offset Hop ModeHop Trig ValueRange RF Input RF Generator / RF Analyzer RF Gen Atten HoldDAC Value DC AM Frequency Hop Mode Hop TrigGmsk Range 10.0 to 1015.0 MHzRF Output PulseService Default for message 2 is SMS Cell BroadcastCode Message Broadcast Language121 Spectrum Analyzer, Main Controls Option 006 Only Center Freq Max Hold Meas ResetRef Level SpanSpectrum Analyzer, RF Gen Controls Option 006 Only Center Freq Marker To Next Peak Marker To Spectrum Analyzer, Marker Controls Option 006 OnlyRange To 10 divisions Auto Hold Input Atten Spectrum Analyzer, Auxiliary ControlsVideo BW DB Input Atten Choices GSM900 GSM, DCS 180010 dB 20 dB 30 dB 40 dB Tests 130 Keys Key Map Function Keys CancelAdrs AssignEND Call HI LimitHold LO Limit Incr SETTo Set a Low Limit To Turn Off or On a Low limitMeter MS InfoPrint Recall To Recall an Instrument SetupCertain value REF SETTo Set a Reference To Turn a Reference Off or OnRFG/RFA To Save an Instrument SetupSave TestsL1, L2 Local KeysThat is currently displayed To Assign a Local KeyTo Assign a Global Key Global KeysUnits Keys Connectors See Also Screens RF Generator/RF Analyzer, RF Gen Front-Panel Connectors of the Agilent Technologies 8922M/SAgilent 8922M Only Clock Demodulation OUTClock Modulation Agilent 8922M Only See Also Clock InputRequirements Data Demodulation OUTFM Demodulation OUT AM/SPEECH Modulation Agilent 8922M OnlyScreens Audio Audio In Lo Monitor Demodulation OUT ModulationMON/SPEECH Agilent 8922M Only Audio OUTPulse Demodulation OUT Measure Pulse Modulation Agilent 8922M OnlyValid Demodulation OUT Trigger in MeasureSee Also Speciﬁcations REF Rear-Panel Connectors of the Agilent Technologies 8922M/SPin Usage Function To/From Emmi BUS Agilent 8922M OnlyEmmi Connector Pin Numbers See Also Electrical Characteristics of the DAI/EMMILogical State Voltage Current GpibGeneral Purpose Agilent OPT 001 REF OUT 131 Scope Specifications Signal Descriptions for System BUS Fpdata DEMODDATA, Demodclk DemodvalidFpclock GexttrigPin 6 Input PulsemodinRPBURSTT1 T1-Pin 26, T2-Pin 8 Select/ControlRpgsmrstin Rpdmodtrig Pin 7 InputPin 3 Input RpgsmrstRPHOPADRS0, through RPHOPADRS9, RPHOPADRS10 Pin 30 Input RphopinhibitRprstseq Pin 11 InputPin 10 Input RprxhopRpseqhop Pin 29 InputRPTXD, Rprxd RptxhopSeqtrigout Usememextt 27 Pin Input RIGInput Digital Demodulation Timing Specification Table Timing DiagramsDigital Demod Timing Diagram Frequency Hop Timing Specification Table RF Generator Hop Address Source = Ext Timing Diagram RF Analyzer Hop Address Source = Ext Timing Diagram RF Generator Hop Address Source = Int Timing Diagram RF Analyzer Hop Address = Int Timing Diagram Reset Hop Once Address Source = Int Timing Diagram Reset and Hold Hop Address Source = Int Timing Diagram Hop Inhibit Address Source = Int Timing Diagram Messages Communication Failures Firmware revision error in module Firmware ErrorSync Status Protocol Error Messages Following is a brief description of the timers TimersTimer Values Call Control TimersDisconnects Physical Layer DisconnectsData Link Layer Disconnects Management Layer Layer DisconnectsDisconnects Call Control Layer DisconnectsHost I/O Error Operating System Error Unknown Errors Protocol Log Examples Of Typical Calls Monitoring For Protocol Failure And Recovery During Test Instrument Basic Agilent Technologies 8922M/S Instrument Basic Overview This Chapter Tests SubsystemIbasic Programs That Do Not Use the Tests Subsystem Programs That Use the Tests SubsystemControlling HP 8922M/S Functions Connected Instruments Configuration and Instrument ControlFor Programming Hardware Connections Agilent 8922M/S ConfigurationSerial Port Configuration for Programming Connecting the Serial PortSerial Port Connections Configuring an IBM-Compatible PC With HP AdvanceLink ConfiguringSet Parity to none Set Data Bits toSet the Global Conﬁguration settings To Ibasic Verifying Serial PortOperation Controller screenLoading, Storing, and Running Running Your Program Loading a Test Procedure Storing Ibasic Programs On Memory CardsStoring an Ibasic Program On a Gpib Disk Drive Loading, Storing, and Running Making or Deleting Test Procedure FilesTest Procedure and Test Library Files Making a Test Procedure File Running a TestSequence Entering and Editing Programs Accessing the Agilent Access the Tests screen by pressing8922M/S’s Ibasic ControllerPROGram Interface Commands Using HP-IBDownload Program for Computers using Gpib Other Prog CommandsPreparing the Agilent 8922M/S to Receive Programs Downloading a Program Into the Agilent 8922M/SLine-by-line Entry and Editing Entering CommandsMemory Cards Using Memory CardsInserting a Memory Card Types of Memory CardsMemory Card Part Numbers Type Initialize Internal Initializing an Sram Memory CardSetting the Sram Write-Protect Switch Setting the Write-Protect SwitchProcedure for Backing Up a Memory Card Backing Up the Memory-Card ProgramsFilenames are prefixed with a lowercase l Replacing the Memory-Card Battery Memory Card BatteryContaminate battery contacts in the memory-card To the manufacturer’s instructionsProcedure Files Programming and Using the Tests SubsystemTests Subsystem File Descriptions Code FilesTests Subsystem File Relationship Tests SubsystemMain Tests Subsystem Screen Programming and Using the Tests Subsystem Setting Up the Test Execution Conditions Ibasic ProgrammingProgram Status To Have Testing Stop or Continue on a UUT Failure Test Execution ConditionsTo Continue or Pause After Each Test To Select Printing Conditions To Have Test Results Appear on a CRT or PrinterTo Enter Comments in the Output Heading Field Using Autostart Tests Screen of the Agilent 8922M/SMaking a Test Sequence Test-Sequence Screen Editing Test SpecificationsEdit Sequence Screen on the HP/Agilent Editing Test ParametersChapter, select the following keys Edit Parameters Screen on the HP/Agilent Configuring External Instruments for Gpib Control17 on Instrument-Configuration Screen Program Structure for Tests Subsystem ProgramsGeneral Organization Program Listing Program ExampleRUN Through the Sequence of Tests Test Program Listing Explanation Linenumber Command DescriptionProgramming and Using the Tests Subsystem Programming and Using the Tests Subsystem Creating a Procedure File With No Library Creating a Library And Default Procedure FileAppendix a Purpose Equipment Required Figure A-1 Cabling Setup Front View Connecting the Agilent 8922M to the HP/Agilent 37900DSetting Up the Agilent Technologies 8922M Camp OnLatch Card Setting Up the HP/Agilent 37900DSLP How to Obtain a Protocol Log CheckConnection Start-up LoggingMake Call Real TimeInformation sent SystemReceived End CallAdditional Information Remote Control of Protocol Logging Primitive Protocol Log of a Typical CallProtocol Log of a Typical Call MM-CC Mmdata CC Call Confirmed 83 08 Frame PH-DL Phdata Sdcch UI P0 CR0 SAPI0 M0 FrameMM-RR Rrsync Frame Command FrameFrame DL-PH Phdata Sdcch I Nr1 Ns1 P0 CR1 SAPI0 M0 RR AssignmentDL-RR Dldata Facchf CC Connect 83 07 Frame DL-RR Dldata Facchf CC Alerting 83 41 FrameCall setup is complete Goes to NEW TCH2DL-RR Dlrelease Facchf Frame Intra-cell handover is complete Inter-cell handover to TCH1, Single TCH on Arfcn 30, slotTCH Agilent 8922M/S configures to newDL-RR Dldata Facchf RR Handover Complete 06 2c 00 Frame Call termination Inter-cell handover complete2449761 Port FrameCC-HST Ccrelind Frame PH-DL Readytosend Facchf Frame Protocol Log of a Typical Call Glossary Arfcn CRC Gmsk Rssi Glossary Index Index-2 Index-3 Index-4 Index-5 Index-6 Index-7 Index-8 Index-9 Index-10 Index-11