Rohde & Schwarz TETRA Release 2 Operating Manual Download

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TETRA Release 2
Digital Standard for
R&S

Signal

Generators

Operating Manual

1173.0843.12 ─ 11

(;×8[<)

Test & Measurement

Summary of Contents for TETRA Release 2

Page 1: ...TETRA Release 2 Digital Standard for R S Signal Generators Operating Manual Operating Manual 1173 0843 12 11 8 Test Measurement ...

Page 2: ...ny Phone 49 89 41 29 0 Fax 49 89 41 29 12 164 Email info rohde schwarz com Internet www rohde schwarz com Subject to change Data without tolerance limits is not binding R S is a registered trademark of Rohde Schwarz GmbH Co KG Trade names are trademarks of the owners The following abbreviations are used throughout this manual R S SMBV100A is abbreviated as R S SMBV R S SMU200A is abbreviated as R ...

Page 3: ... 3 3 BSCH BNCH T 16 3 3 1 TETRA Frequency 17 3 3 2 Contents Settings 19 3 3 3 Scrambling 22 3 4 Burst Editor 23 3 5 Filter Clipping Settings 27 3 5 1 Filter Settings 27 3 5 2 Modulation Settings 28 3 5 3 Clipping Settings 28 3 6 Trigger Marker Clock Settings 29 3 6 1 Trigger Settings 30 3 6 2 Marker Mode Settings 35 3 6 3 Marker Delay Settings 36 3 6 4 Clock Settings 36 3 7 Global Settings 38 4 Re...

Page 4: ...Release 2 4 Operating Manual 1173 0843 12 11 4 5 Trigger Marker Clock Settings 64 4 5 1 Clock Settings 64 4 5 2 Trigger Settings 66 4 5 3 Marker Settings 71 4 6 Filter Clipping Settings 74 List of Commands 77 Index 80 ...

Page 5: ...ion needed to set up and start working with the instrument Basic operations and an example of setup are descri bed The manual includes also general information e g Safety Instructions Operating Manuals The Operating Manuals are a supplement to the Quick Start Guide Operating Manuals are provided for the base unit and each additional software option These manuals are available in PDF format in prin...

Page 6: ...to the complete information on operating the R S Signal Generator and all available options without downloading The content of the web help corresponds to the user manuals for the latest product version The web help is available on the R S Signal Generator product page at the Down loads Web Help area Application Notes Application notes application cards white papers and educational notes are furth...

Page 7: ...e shown values may not represent realistic test situations The screenshots usually show a fully equipped product that is with all options instal led Thus some functions shown in the screenshots may not be available in your par ticular product configuration 1 2 3 Naming of Software Options In this operating manual we explicitly refer to options required for specific functions of the digital standar...

Page 8: ...urst SB The frames are generated for the uplink mobile station MS transmitting or the downlink base station BS transmitting The channel types AACH BSCH BNCH TCH STCH SCH as well as the TETRA Release 2 specific channels like SCH Q etc are generated Channel coding including scrambling with system code base color code mobile country code and mobile network code is performed for all channels Frame rep...

Page 9: ...he menu is where the TETRA digital standard is enabled the default settings are called the transmission direction selected and the test mode is set The section for setting the trigger and clock parameters data list management or sav ing and loading a frame and for setting the power ramping and slot attenuation are available for the modes T1 T2 T4 and User The lower part of the menu displays the ch...

Page 10: ...ping Root Cosine clipping Off Trigger Marker Auto Int Clock Internal Remote command SOURce hw BB TETRa PRESet on page 42 Save Recall Calls the Save Recall menu From the Save Recall dialog the Save Recall Settings windows for saving and recalling the configurations and the File Manager can be called TETRA configurations are stored as files with the predefined file extension tetra The file name and ...

Page 11: ...Manager is used to copy delete and rename files and to create new directories Remote command SOURce hw BB TETRa SETTing CATalog on page 42 Remote command SOURce hw BB TETRa SETTing DELete on page 42 Data List Management Calls the Data List Management dialog This dialog is used to create and edit a data list All data lists are stored as files with the predefined file extension dm_iqd The file name ...

Page 12: ...ype for the T1 signal is user selectable Channel types 0 to 4 21 22 and 25 are available in the Downlink Forward Link Direction and channel types 7 to 11 21 23 and 24 for the Uplink Reverse direction The burst types Uplink Reverse and Downlink Forward are derived from the channel types The instrument generates the Tx data for complete multiframes for the V D service voice and data The con tents of...

Page 13: ...del set to T1 or T4 Determines the channel type Remote command SOURce hw BB TETRa CTYPe on page 40 Modulation Type for Test Model set to User Defined Determines the modulation type Phase or QAM Phase The T2 test signal is a pi 4 DQPSK modulated continuous radio sig nal QAM The T2 test signal is 4 QAM 16 QAM or 64 QAM modulated and spans a bandwidth of 25kHz 50kHz 100kHz or 150kHz Remote command SO...

Page 14: ...lls the dialog for selecting the trigger source for configuring the marker signals and for setting the time delay of an external trigger signal and for selecting the clock source This dialog is described in chapter 3 6 Trigger Marker Clock Settings on page 29 The current settings are displayed Execute Trigger for R S SMx and R S AMU instruments only Executes trigger manually A manual trigger can b...

Page 15: ... rises and falls linear fashion Cosine The transmitted power rises and falls with a cosine shaped edge This gives rise to a more favorable spectrum than the Linear setting Remote command SOURce hw BB TETRa PRAMping RFUNction on page 45 Ramp Time Enters the power ramping rise time and fall time for a frame The setting is expressed in symbols The transmitted power must not be switched abruptly at th...

Page 16: ...power RF power attenua tion 0 dB attenuation corresponds to Slot Level Full This feature is provided to set a sequence of slots to different levels in order to mea sure transmission stability The frame editor is likewise used to assign the Slot Level attribute Attenuated to indi vidual slots Remote command SOURce hw BB TETRa SATTenuation ch on page 46 3 3 BSCH BNCH T To access this dialog select M...

Page 17: ...d to form the commands for the mobile station The Srcambling section comprises of the parameters necessary to configure the scrambling sequence 3 3 1 TETRA Frequency Provided are the following settings Carrier Bandwidth Selects the carrier bandwidth i e determines the carrier spacing The default value for all standard test modes is 25kHz carrier spacing of 50 100 and 150 kHz is enabled for Test Mo...

Page 18: ...plex Spacing for Uplink direction only The Duplex Spacing and Reverse Operation parameters in the BNCH T indicate the required uplink frequency with respect to the indicated downlink frequency These parameters are defined in ETSI 300 392 2 Remote command SOURce hw BB TETRa BBNCht DSPacing on page 58 Reverse Operation for Uplink direction only Enables disables reverse operation Reverse operation is...

Page 19: ...his is a Direct Mode transmission Remote command SOURce hw BB TETRa BBNCht SCODe on page 61 TS reserved frames Determines the number of frames reserved over two multiframes period The way this field is processed depends on the selected Sharing Mode on page 20 If MCCH sharing is indicated the TS reserved frames field shall indicate which frames are reserved in this mode of operation For the other v...

Page 20: ... DNBenquiry on page 58 Cell service level Sets the cell service level information element i e define the level of service a MS may receive in a cell It may relate to the traffic loading in a cell The following service levels are supported Cell load unknown Low cell load Medium cell load High cell load Remote command SOURce hw BB TETRa BBNCht CSLevel on page 57 MS_TXPWR_MAX_CELL Sets the protocol i...

Page 21: ... whether or not late entry can be supported by the cell Remote command SOURce hw BB TETRa BBNCht LENTry on page 59 ACCESS_PARAMETER Sets the value of the ACCESS_PARAMETER information field This parameter is used for subsequent power adjustments for the mobile station This protocol information field can takes values from 53 dBm to 23 dBm in 2 dB steps Remote command SOURce hw BB TETRa BBNCht APARam...

Page 22: ...This scrambling code corresponds to the extended color code used for scrambling and descrambling in the lower MAC The scrambling code corresponds to the 30 bit exten ded color code e 1 e 2 e 30 Table 3 2 Building of scarmbling code Mobile Country Code MCC Mobile Network Code MNC Colour Code 10 bits 14 bits 6 bits e 1 e 10 e 11 e 24 e 25 e 30 e 1 msb1 of MCC e 11 msb of MNC e 25 msb of Colour Code ...

Page 23: ... is displayed Individual fields of the frame are color coded Field Color Data Fixed Mixed Stealing white white Training Sequences TSC ETSC SYNC yellow Tail extended Tail green Guard extended Guard blue normal burst control burst The rest of the dialog displays the data contained in fields predefined by the standard for the current burst type Data fields with variable content can be edited The foll...

Page 24: ... used by control bursts only Use the Power Ramp Control dialog to define four different values for level attenuation Remote command SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch BSATtenuation on page 50 for Slot Attenuation SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SSATtenuation on page 50 for Sub Slot Attenuation Use Coded T1 T4 Data Enables disables auto...

Page 25: ...i SLOT st LDIRection ch DATA on page 50 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SDATa on page 52 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch DATA DSELection on page 51 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SDATa SDSelection on page 53 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch DATA DPATtern on page 51 SO...

Page 26: ... used to indicate on each QAM physical channel the assignment of the uplink and downlink slots Access Assign PDU The value of the AACH Q Mode element is set to 0 i e contents of Access Assign PDU are present The Access Assign PDU is used to convey information about the downlink slot in which it appears and also the access rights for the corresponding same numbered uplink slot The fields of the Acc...

Page 27: ...ing Settings To access this dialog select Main dialog Filter Clipping ARB Settings The dialog contains the settings required to configure the baseband filter and to enable clipping 3 5 1 Filter Settings Provided are the following settings for configuring the baseband filter Filter Selects the baseband filter Remote command SOURce hw BB TETRa FILTer TYPE on page 76 Roll Off Factor or BxT Sets the f...

Page 28: ...e cut off frequency shift The cut off frequency of the cosine filter can be adjusted to reach spectrum mask requirements The value range is 1 0 to 1 0 Remote command SOURce hw BB TETRa FILTer PARameter COSine COFS on page 76 Cut Off Frequency Factor Sets the value for the cut off frequency factor The cut off frequency of the filter can be adjusted to reach spectrum mask requirements Remote command...

Page 29: ...y in which these two meth ods work is given in the dialog Vector i jq The limit is related to the amplitude i q The I and Q components are mapped together the angle is retained Scalar i q The limit is related to the absolute maximum of all the I and Q values i q The I and Q components are mapped separately the angle changes Remote command SOURce hw BB TETRa CLIPping MODE on page 74 3 6 Trigger Mar...

Page 30: ... section is where the clock source is selected and in the case of an external source the clock type The buttons in the last section lead to submenu for general trigger clock and mapping settings 3 6 1 Trigger Settings The Trigger In section is where the trigger for the signal is set Various parameters will be provided for the settings depending on which trigger source internal or exter nal is sele...

Page 31: ...ed only when a trigger event occurs Then the signal is gener ated once to the length specified at Signal Duration Every subsequent trigger event internal or external causes a restart Remote command SOURce hw BB TETRa TRIGger SEQuence on page 71 Signal Duration Unit Defines the unit for the entry of the length of the signal sequence to be output in the Single trigger mode Available units are sequen...

Page 32: ...cted Internal The trigger event is executed by Execute Trigger Internal Baseband A B two path instruments The trigger event is the trigger signal from the second path External Trigger 1 2 The trigger event is the active edge of an external trigger signal supplied at the TRIGGER 1 2 connector Use the Global Trigger Clock Settings dialog to define the polarity the trigger threshold and the input imp...

Page 33: ...rst symbol is more important than synchronicity with external trigger event OFF Internal trigger signal of the mas ter R S SMBV for the slave instruments All instruments are synchronous among themselves OFF On Corresponds to the default state of this parameter The signal calculation starts simultaneously with the external trigger event but because of the instrument s processing time the first sam ...

Page 34: ...r test DUT or other external devi ces Remote command SOURce hw BB TETRa TRIGger EXTernal ch DELay on page 70 SOURce hw BB TETRa TRIGger OBASeband DELay on page 67 Trigger Inhibit Sets the duration for inhibiting a new trigger event subsequent to triggering The input is to be expressed in samples In the Retrigger mode every trigger signal causes signal generation to restart This restart is inhibite...

Page 35: ...The input box for the divider opens when Pulse is selected and the resulting pulse frequency is displayed below it Remote command SOURce hw BB TETRa TRIGger OUTPut ch PULSe DIVider on page 73 SOURce hw BB TETRa TRIGger OUTPut ch PULSe FREQuency on page 73 Pattern A marker signal that is defined by a bit pattern is generated The pat tern has a maximum length of 64 bits and is defined in an input fi...

Page 36: ...signal The delay can be defined by moving the setting mark Remote command SOURce hw BB TETRa TRIGger OUTPut ch DELay MINimum on page 68 SOURce hw BB TETRa TRIGger OUTPut ch DELay MAXimum on page 68 Fix marker delay to current range Restricts the marker delay setting range to the dynamic range In this range the delay can be set without restarting the marker and signal Remote command SOURce hw BB TE...

Page 37: ...e internal clock reference is used to generate the symbol clock External The external clock reference is fed in as the symbol clock or multiple thereof via the CLOCK connector The symbol rate must be correctly set to an accuracy of 2 see data sheet The polarity of the clock input can be changed with the aid of Global Trigger Clock Settings In the case of two path instruments this selection applies...

Page 38: ...the Global Trigger Clock Input Settings dialog This dialog is used among other things for setting the trigger threshold the input impe dance and the polarity of the clock and trigger inputs The parameters in this dialog affect all digital modulations and standards and are described in chapter Global Trigger Clock Input Settings in the Operating Manual User Marker AUX I O Settings Calls the User Ma...

Page 39: ... OUTPut ch 1 4 available markers R S SMBV supports two markers EXTernal ch 1 2 external trigger connectors TMODe di 1 4 The numeric suffix to TMODe distinguishes between the test modes TMODe1 Test Mode 1 TMODe2 Test Mode 4 TMODe3 User Defined TMODe4 Test Mode 2 SLOT st 1 8 The numeric suffix to SLOT distinguishes between the slot numbers SLOT 1 4 Slots 1 Slot 4 in Frame 1 17 SLOT 5 8 Slots 1 Slot ...

Page 40: ...description of such tasks see the R S Signal Generator operating manual The following commands specific to the TETRA are described here 4 1 Primary Settings SOURce hw BB TETRa CTYPe 40 SOURce hw BB TETRa DBTYpe 41 SOURce hw BB TETRa LDIRection 41 SOURce hw BB TETRa MTYPe 41 SOURce hw BB TETRa PRESet 42 SOURce hw BB TETRa SETTing CATalog 42 SOURce hw BB TETRa SETTing DELete 42 SOURce hw BB TETRa SE...

Page 41: ...etermines the available Channel Types Parameters LDirection DOWN UP DOWN The transmission direction selected is from the base station BS to the terminal MS The signal corresponds to that of a BS UP The transmission direction selected is from MS to the BS The signal corresponds to that of a terminal RST DOWN Example BB TETR LDIR UP Manual operation See Link Direction on page 13 SOURce hw BB TETRa M...

Page 42: ...tetra BB TETR SETT CAT reads out all the files with TETRA settings in the default direc tory Response tetra_t1_dl the file tetra_t1_dl is available Usage Query only Manual operation See Save Recall on page 10 SOURce hw BB TETRa SETTing DELete Filename This command deletes the selected file with TETRA settings in the specified directory The file extension may be omitted Only files with the file ext...

Page 43: ...s files with the specific file extensions tetra Setting parameters Filename file name Example BB TETR SETT STOR root tetra_t1_dl MMEM CDIR root tetra sets the default directory to root tetra BB TETR SETT CAT reads out all the files with TETRA settings in the default direc tory Response tetra_t1_dl the file tetra_t1_dl is available Usage Setting only Manual operation See Save Recall on page 10 SOUR...

Page 44: ...his parameter only affects the ARB clock rate all other signal parameters remain unchanged Parameters Variation float Range 400 to 15E6 Increment 0 001 RST 18000 Example BB TETR SRAT VAR queries the symbol rate of the signal SOURce hw BB TETRa STATe State Activates the standard and deactivates all the other digital standards and digital modu lation modes in the same path Parameters State 0 1 OFF O...

Page 45: ... Waveform File on page 12 4 2 Power Ramp Settings SOURce hw BB TETRa PRAMping FOFFset 45 SOURce hw BB TETRa PRAMping RFUNction 45 SOURce hw BB TETRa PRAMping ROFFset 46 SOURce hw BB TETRa PRAMping RTIMe 46 SOURce hw BB TETRa SATTenuation ch 46 SOURce hw BB TETRa PRAMping FOFFset FOffset Sets the offset in the falling edge of the envelope at the end of a frame A positive value gives rise to a delay...

Page 46: ...he setting is expressed in symbols Parameters ROffset integer Range 4 to 0 RST 0 Example BB TETR PRAM ROFF 6 Manual operation See Rise Offset on page 16 SOURce hw BB TETRa PRAMping RTIMe Rtime Enters the power ramping rise time and fall time for a frame The setting is expressed in symbols The transmitted power must not be switched abruptly at the start and end of a frame because the switching oper...

Page 47: ...on TMODe di SLOT st LDIRection ch AMODe 48 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch APF1 49 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch APF2 49 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch APHeader 49 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch BSATtenuation 50 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st L...

Page 48: ...eration See T2 Burst Type on page 24 SOURce hw BB TETRa SCONfiguration SLOT st UBBNch Ubbnch Enables disables auto coding of the data If enabled the selection of the data source is disabled Parameters Ubbnch 0 1 OFF ON RST OFF Example SOURce BB TETRa TMODe USER SOURce BB TETRa LDIRection DOWN SOURce BB TETRa SCONfiguration SLOT1 UBBNch ON Manual operation See Use Coded T1 T4 Data on page 24 SOURce...

Page 49: ...ation TMODe di SLOT st LDIRection ch APF1 Apf1 Sets the value for the information element Field 1 of the Access Assign PDU Parameters Apf1 8 bits Example BB TETR SCON TMOD2 SLOT3 LDIR1 APF1 B000000 6 Manual operation See Access Assign PDU on page 26 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch APF2 Apf2 Sets the value for the information element Field 2 of the Access Assign PDU...

Page 50: ...e di SLOT st LDIRection ch SSATtenuation SSATtenuation Sets the attenuation for the second sub slot in a control burst Parameters SSATtenuation A1 A2 A3 A4 RST A1 Example BB TETR SCON TMOD1 SLOT3 LDIR2 SSAT A1 Example BB TETR LDIR UP BB TETR CTYP CH11 Selects a control burst BB TETR SCON TMOD1 SLOT3 LDIR2 BSAT A1 BB TETR SCON TMOD1 SLOT3 LDIR2 SSAT A1 Sets the attenuation of the first and second s...

Page 51: ...SLOT2 LDIR1 DATA PN23 Manual operation See Data List Management on page 11 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch DATA DPATtern DPattern Selects the data pattern with a maximum length of 64 bits for the internal data when PATTern is selected as the data source SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch DATA on page 50 Parameters DPattern 64 bits RST ...

Page 52: ...HF T108 SP8F SSHD BSHD SBNCh BBNCh S8HD D4H D16H D64H D64M D16U D64U B4H B16H B64H B64M B16U B64U SSHU S8HU S4S8 S8S4 U4H U16H U64H U64M U16U U64U H4H H16H H64H H64M H16U H64U SQRA D4U U4U RST T72 D4H Example BB TETR SCON TMOD2 SLOT3 LDIR1 LCTY T72 Manual operation See Logical Channel Type on page 25 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SCRambling Scrambling Enables dis...

Page 53: ...D4 SLOT2 LDIR2 SDAT PN23 Manual operation See Data Source on page 24 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SDATa SDPattern SdPattern Selects the data pattern with a maximum length of 64 bits for the internal data when PATTern is selected as the data source SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SDATa on page 52 Parameters SdPattern 64 bits RST H...

Page 54: ...um The slot is inactive ATT Level is reduced by the level attenuation set in Slot Attenua tion FULL The level corresponds to the level indicated in the display RST FULL Example BB TETR SCON TMOD1 SLOT3 LDIR1 SLEV FULL Manual operation See Sub Slot Level on page 24 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SSLevel SSLevel Sets the level for the second sub slot Parameters SSle...

Page 55: ...xample BB TETR SCON TMOD1 SLOT2 LDIR1 TPAT Manual operation See TSC User Defined on page 26 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch TSOurce TSource Determines whether the default or a user defined training sequence TSC is used A user defined training sequence can be created in the field TSC User Defined Parameters TSource DEFault UDEFined RST DEFault Example BB TETR SCON T...

Page 56: ...NCht TXON 63 SOURce hw BB TETRa BBNCht UPDTx 63 SOURce hw BB TETRa BBNCht APARameter AParameter Sets the value of the ACCESS_PARAMETER information field This parameter is used for subsequent power adjustments for the mobile station This protocol information field can takes values from 53 dBm to 23 dBm in 2 dB steps Parameters AParameter AP53 AP51 AP49 AP47 AP45 AP43 AP41 AP39 AP37 AP35 AP33 AP31 A...

Page 57: ... calculated from the Frequency Band Main Carrier Number Offset Duplex Spacing and Reverse Operation and transmitted in message channel BNCH T when Downlink MS V D Testing is selected The Coded RF Frequency is calculated as described in table 3 1 Return values CrFrequency float Range 0 to 1000 Example BB TETR BBNC CRFR Usage Query only Manual operation See Coded RF Frequency on page 18 SOURce hw BB...

Page 58: ...ample BB TETR BBNC DNB ON Manual operation See D NWRK BROADCAST enquiry on page 20 SOURce hw BB TETRa BBNCht DSPacing DSpacing for Uplink direction only The Duplex Spacing and Reverse Operation parameters in the BNCH T indicate the required uplink frequency with respect to the indicated downlink frequency These parameters are defined in ETSI 300 392 2 Parameters DSpacing DS0 DS1 DS2 DS3 DS4 DS5 DS...

Page 59: ...ation on all slots of the frame 18 If extension is allowed only MSs which are capable of receiving consecutive slots are able to perform this function Parameters FeExtension 0 1 OFF ON RST OFF Example BB TETR BBNC FEEX ON Manual operation See Frame 18 extension on page 19 SOURce hw BB TETRa BBNCht LBACk LBack Enables disables loop back for test purposes If enabled the mobile station should set up ...

Page 60: ... Carrier Number divides the TETRA band into carriers with a spacing as set with the parameter Carrier Bandwidth The range is 0 to 4095 12 bits The Main Carrier Frequency is calculated as follow Main Carrier Frequency kHz Main Carrier Number Carrier Bandwidth Parameters Mcnumber integer Range 0 to 4095 RST 0 Example BB TETR BBNC MCN 2300 Manual operation See Main Carrier Number on page 18 SOURce hw...

Page 61: ...g The allowed off sets are 6 25 0 6 25 and 12 50 kHz Parameters Offset ZERO P625 M625 P125 RST ZERO Example BB TETR BBNC OFFS P125 Manual operation See Offset on page 18 SOURce hw BB TETRa BBNCht ROPeration ROperation for Uplink direction only Enables disables reverse operation Reverse operation is used to fix the uplink frequency relative to the downlink fre quency In normal operation the uplink ...

Page 62: ...er test transmit either a normal uplink burst or control uplink burst Parameters TbType NUB CUB NUB The mobile station should transmit using normal uplink burst CUB The mobile station should transmit using control uplink burst RST NUB Example BB TETR BBNC TBTY NUB Manual operation See Tx_burst_type on page 21 SOURce hw BB TETRa BBNCht TRFRames TrFrames Determines the number of frames reserved over...

Page 63: ... page 21 SOURce hw BB TETRa BBNCht TXON TxOn Determines the value of the Tx_on parameter i e selects the test mode the MS oper ates in Reception ON or Transmission ON This parameter is neccessary for the generation of test signal T1 or T4 transmitted by the test system Parameters TxOn RON TON RON The mobile station is requested to recept TON The mobile station is requested to transmit RST RON Exam...

Page 64: ...e the external clock source is permanently allocated to path A Parameters Mode SAMPle MSAMple RST SAMPle Example SOURce1 BB TETRa CLOCk MODE SAMple Manual operation See Clock Mode on page 37 SOURce hw BB TETRa CLOCk MULTiplier Multiplier Sets the multiplier for clock type Multiplied SOURce hw BB TETRa CLOCk MODE on page 64 For two path instruments the only numerical suffix allowed for SOURce is 1 ...

Page 65: ...ernal The clock source of path A is used for path B RST INTernal Example BB TETR CLOC SOUR INT selects an internal clock reference Manual operation See Clock Source on page 37 SOURce hw BB TETRa CLOCk SYNChronization EXECute for R S SMBV only Performs automatically adjustment of the instrument s settings required for the syn chronization mode SOURce hw BB TETRa CLOCk SYNChronization MODE on page 6...

Page 66: ... markers Only two markers are available for the R S SMBV i e the allowed values for the suffix are 1 or 2 SOURce hw BB TETRa TRIGger ARM EXECute 66 SOURce hw BB TETRa TRIGger EXECute 67 SOURce hw BB TETRa TRIGger EXTernal ch SYNChronize OUTPut 67 SOURce hw BB TETRa TRIGger OBASeband DELay 67 SOURce hw BB TETRa TRIGger OBASeband INHibit 67 SOURce hw BB TETRa TRIGger OUTPut DELay FIXed 68 SOURce hw ...

Page 67: ...les output of the signal synchronous to the external trigger event Parameters Output 0 1 OFF ON RST ON Example BB TETR TRIG SYNC OUTP ON Manual operation See Sync Output to External Trigger on page 32 SOURce hw BB TETRa TRIGger OBASeband DELay Delay two path instruments only Specifies the trigger delay for triggering by the trigger signal from the second path Parameters Delay float Range 0 to 6553...

Page 68: ... ON Manual operation See Fix marker delay to current range on page 36 SOURce hw BB TETRa TRIGger OUTPut ch DELay Delay Enters the delay between the marker signal at the marker outputs and the start of the frame or slot Parameters Delay float Range 0 to 16777215 Increment 1E 3 RST 0 Example BB TETR TRIG OUTP1 DEL 1600 Manual operation See Marker x Delay on page 36 SOURce hw BB TETRa TRIGger OUTPut ...

Page 69: ...utput in the Single trigger mode The unit of the entry is defined with the command SOURce hw BB TETRa TRIGger SLUNit on page 69 It is then possible to output deliberately just part of the signal an exact sequence of the signal or a defined number of repetitions of the signal Parameters Slength integer Range 1 to 7000 RST 1 Example BB TETR TRIG SLEN 100 Manual operation See Signal Duration on page ...

Page 70: ... TRIGger EXTernal ch DELay Delay Sets the trigger signal delay in samples on external triggering and enables shifting of the complete signal by a time offset equal to the trigger delay This enables the instrument to be synchronized with the device under test or other external devices Parameters Delay float Range 0 0 to 65535 Increment 0 01 RST 0 0 Example BB TETR TRIG DEL 100 Manual operation See ...

Page 71: ... restart ARETrigger The signal is generated only when a trigger event occurs Then the signal is generated continuously Every subsequent trigger event causes a restart ARETrigger The signal is generated only when a trigger event occurs Then the signal is generated continuously Every subsequent trigger event causes a restart RST AUTO Example BB TETR TRIG SEQ AUTO Manual operation See Trigger Mode on...

Page 72: ...s defined by a bit pattern is generated The pattern has a maximum length of 64 bits and is defined with the command SOURce hw BB TETRa TRIGger OUTPut ch PATTern on page 73 RATio A marker signal corresponding to the Time Off Time On specifi cations in the commands SOURce hw BB TETRa TRIGger OUTPut ch ONTime on page 72 and SOURce hw BB TETRa TRIGger OUTPut ch OFFTime on page 72 is generated TRIGger ...

Page 73: ... Marker Mode on page 35 SOURce hw BB TETRa TRIGger OUTPut ch PULSe DIVider Divider Sets the divider for the pulsed marker signal SOURce hw BB TETRa TRIGger OUTPut ch MODE on page 71 Parameters Divider integer Range 2 to 1024 RST 2 Example BB TETR TRIG OUTP2 PULS DIV 2 Manual operation See Marker Mode on page 35 SOURce hw BB TETRa TRIGger OUTPut ch PULSe FREQuency Queries the pulse frequency of the...

Page 74: ...Rce hw BB TETRa FILTer PARameter SPHase 75 SOURce hw BB TETRa FILTer PARameter APCO25 75 SOURce hw BB TETRa FILTer PARameter COSine COFS 76 SOURce hw BB TETRa FILTer TYPE 76 SOURce hw BB TETRa CLIPping LEVel Level Sets the limit for clipping Parameters Level integer Range 1 to 100 RST 100 Default unit PCT Example BB TETR CLIP LEV 25 Manual operation See Clipping Level on page 29 SOURce hw BB TETRa...

Page 75: ...PASs LPass SOURce hw BB TETRa FILTer PARameter LPASSEVM LPassEvm SOURce hw BB TETRa FILTer PARameter PGAuss PGauss SOURce hw BB TETRa FILTer PARameter RCOSine RCosine SOURce hw BB TETRa FILTer PARameter SPHase SPhase SOURce hw BB TETRa FILTer PARameter APCO25 Apco25 Sets the filter parameter Parameters Apco25 float Range 0 05 to 0 99 Increment 0 01 RST 0 2 Cosine float Range 0 0 to 1 0 Increment 0...

Page 76: ... The cut off frequency of the cosine filter can be adjusted to reach spectrum mask requirements Parameters Cofs float Range 1 to 1 Increment 0 01 RST 0 1 Example BB TETR FILT TYPE COS BB TETR FILT PAR COS COFS 0 5 Manual operation See Cut Off Frequency Shift on page 28 SOURce hw BB TETRa FILTer TYPE Type Sets the baseband filter Parameters Type RCOSine COSine GAUSs LGAuss CONE COF705 COEQualizer C...

Page 77: ...Ra BBNCht SMODe 62 SOURce hw BB TETRa BBNCht TBTYpe 62 SOURce hw BB TETRa BBNCht TRFRames 62 SOURce hw BB TETRa BBNCht TTBType 63 SOURce hw BB TETRa BBNCht TXON 63 SOURce hw BB TETRa BBNCht UPDTx 63 SOURce hw BB TETRa CLIPping LEVel 74 SOURce hw BB TETRa CLIPping MODE 74 SOURce hw BB TETRa CLIPping STATe 74 SOURce hw BB TETRa CLOCk MODE 64 SOURce hw BB TETRa CLOCk MULTiplier 64 SOURce hw BB TETRa ...

Page 78: ...tion ch SDATa 52 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SDATa SDPattern 53 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SDATa SDSelection 53 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SLEVel 54 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRection ch SSATtenuation 50 SOURce hw BB TETRa SCONfiguration TMODe di SLOT st LDIRe...

Page 79: ...MODe 69 SOURce hw BB TETRa TRIGger SEQuence 71 SOURce hw BB TETRa TRIGger SLENgth 69 SOURce hw BB TETRa TRIGger SLUNit 69 SOURce hw BB TETRa TRIGger SOURce 70 SOURce hw BB TETRa TRIGger EXTernal ch DELay 70 SOURce hw BB TETRa TRIGger EXTernal ch INHibit 70 SOURce hw BB TETRa TRIGger EXTernal ch SYNChronize OUTPut 67 SOURce hw BB TETRa WAVeform CREate 45 ...

Page 80: ...r 14 32 F Fall Offset 16 Filter Parameter 27 Filter settings 14 Filter Type 27 Filtering Clipping 27 Fix marker delay to current range 36 Frame 18 extension 19 Frequency Band 18 G Generate Waveform File 12 Global Trigger Clock Settings 38 L Late Entry 21 Logical Channel Type 25 Loop Back 21 M Main Carrier Number 18 Marker Mode 35 Marker settings 14 Marker x Delay 36 Measured external clock 38 Mobi...

Page 81: ...e 21 T2 Burst Type 24 Tetra cut off frequency LP EVM 75 Training Sequence 25 26 Transmission direction 13 Trigger Delay 34 Trigger Inhibit 34 Trigger Mode 31 Trigger settings 14 Trigger Source 32 TS reserved frames 19 Tx_burst_type 21 Tx_on 20 U U plane DTX 20 Use Coded T1 T4 Data 24 User Marker AUX I O Settings 38 ...

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Rohde & Schwarz TETRA Release 2, Operating Manual

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