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DVB-T Configuration and Settings

R&S

®

SMCVB-K163

33

User Manual 1179.0997.02 ─ 02

4.5

Special Settings

Access:

► Select "Baseband > DVB-T > Special".

The tab provides settings, that differ from the specification of the broadcast stan-
dard.

Settings different from the broadcast standard can be useful for research and develop-
ment. Applying these settings requires "Special Settings > On".
If you set a parameter different from the specification, the warning icon is displayed
left to the parameter.

Settings:

Special Settings

........................................................................................................... 33

............................................................................................................. 33

Special Settings

Enables/disables special settings.

The setting allows you to switch between standard-compliant and user-defined channel
coding.

Remote command:

[:SOURce<hw>]:BB:DVBT[:SPECial]:SETTing[:STATe]

Reed Solomon

Enables/disables the Reed-Solomon encoder.

The standard stipulates a Reed-Solomon RS (204, 188), i.e. "Reed Solomon > On".
Incoming packets of the TS frame have a length of 188 bytes or, in special cases, a
length of 204 bytes. The packet length determines

"On"

●

"Packet Length

=

188": The Reed-Solomon encoder adds

16

Reed-Solomon bytes to the incoming 188

bytes of an MPEG

transport stream frame. The Reed-Solomon decoder can correct
up to 8

erroneous bytes in a Reed-Solomon packet (= 204

bytes).

The number of incorrect bits in an errored byte is irrelevant.

●

"Packet Length

=

204": Of the incoming 204 bytes of an MPEG

transport stream frame, the Reed-Solomon encoder overwrites
the last 16 bytes with its own Reed-Solomon bytes.

Special Settings

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Содержание SMCVB-K163

Страница 1: ...R S SMCVB K163 DVB T User Manual User Manual Version 02 1179099702 9 2...

Страница 2: ...ny Phone 49 89 41 29 0 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...

Страница 3: ...dgment OSA 9 1 2 8 Application Notes Application Cards White Papers etc 9 2 Welcome to the DVB T Option 10 2 1 Accessing the DVB T Dialog 10 2 2 Scope 11 2 3 Notes on Screenshots 11 3 About the DVB T...

Страница 4: ...l 49 5 1 3 How to Generate an Internal TS Signal 50 5 2 Monitoring the Input Signal 50 5 2 1 How to Monitor External IP Input Data 51 5 2 2 How to Monitor an External TS Input Signal 51 5 2 3 How to M...

Страница 5: ...Contents R S SMCVB K163 5 User Manual 1179 0997 02 02 Glossary Specifications 88 List of Commands 89 Index 91...

Страница 6: ...Contents R S SMCVB K163 6 User Manual 1179 0997 02 02...

Страница 7: ...h the DVB T Option The basic procedure to perform signal generation tasks and step by step instruc tions for more complex tasks or alternative methods And detailed examples to guide you through typica...

Страница 8: ...ng started manual Software option manual Contains the description of the specific functions of an option Basic information on operating the R S SMCV100B is not included The contents of the user manual...

Страница 9: ...fic char acteristics See www rohde schwarz com brochure datasheet smcv100b 1 2 7 Release Notes and Open Source Acknowledgment OSA The release notes list new features improvements and known issues of t...

Страница 10: ...ussed in this manual are the same as in the base unit and are described in the R S SMCV100B user manual The latest version is available at www rohde schwarz com manual SMCV100B Installation You can fi...

Страница 11: ...such as checking the system configuration con figuring networks and remote operation Using the common status registers For a description of such tasks see the R S SMCV100B user manual 2 3 Notes on Scr...

Страница 12: ...generating DVB T signals includes Base unit Option Enable Broadcast Standard R S SMCVB K519 Option DVB T R S SMCVB K163 3 2 About DVB H T The DVB HDVB H standard is based on the earlier standard DVB T...

Страница 13: ...d scalability to allow reception of services at various speeds Offer the flexibility to be used in various transmission bands and channel band widths The basic technical extensions that make it possib...

Страница 14: ...pecial Settings 33 Global Connector Settings 34 TS Player 34 Local IP Data Network Settings 43 4 1 General Settings Access Select Baseband DVB T This tab provides functionality for calling default set...

Страница 15: ...nd the directory in that the settings are stored are user definable the file extension is however predefined See also chapter File and Data Management in the R S SMCV100B user manual Remote command SO...

Страница 16: ...e the same set ting independent from the standard Source Input IP TS Channel Settings General Settings 16 Info 20 Test Signal Settings 22 IP Channnel x Settings 23 4 2 1 General Settings Access Select...

Страница 17: ...e R S SMCV100B user manual IP Data interface Chapter 4 8 Local IP Data Network Set tings on page 43 TS Player Uses an internal transport stream with TS packet data played from a file The player requir...

Страница 18: ...put signal ASI ASI format SMPTE 310 SMPTE 310 format Remote command Non hierarchical coding SOURce hw BB DVBT INPut FORMat on page 58 Hierarchical coding SOURce hw BB DVBT INPut FORMat on page 58 SOUR...

Страница 19: ...et data used as modulation data in the transport stream To configure the packet structure select the side tab Test Signal Test TS Packet See also Chapter 4 2 3 Test Signal Settings on page 22 PRBS bef...

Страница 20: ...es If the packet length does not match the specified length the output signal is erroneous Packet Length Invalid is displayed 188 188 byte packets specified for serial input and parallel input 204 204...

Страница 21: ...splays the measured value of the data rate rmeas of one of the following External transport stream including null packets input at User 1 connector External transport stream including null packets inp...

Страница 22: ...am packet that is fed to the modulator Head 184 Payload A sync byte 0x47 followed by three header bytes and 184 payload bytes Sync 187 Payload A sync byte 0x47 followed by 187 payload bytes Remote com...

Страница 23: ...packet Null packets are inserted into the exter nal transport stream to adapt the stream data rate PRBS PRBS data in accordance with ITU T O 151 0x00 Exclusively 00 hex data 0xFF Exclusively FF hex da...

Страница 24: ...is not possi ble via the broadcast standard specific functionality Use the global save recall functionality instead see section Saving and Recalling Instrument Settings in the R S SMCV100B user manua...

Страница 25: ...Local IP Data Network 26 Input IP Activates deactivates the IP input Remote command SOURce hw BB INPut IP ch STATe on page 66 Alias Sets a unique name for the IP connection The definition of a name is...

Страница 26: ...NPut IP ch IGMP SOURce ADDRess on page 68 Ping Source Address Clicking Ping Source Address triggers pinging of the IGMPv3 source address If you set a different value from IGMPv3 Source Address 0 0 0 0...

Страница 27: ...ate 30 Hierarchy Selects the coding hierarchy Note If hierarchical coding is active some parameters require setting for high priority HP and low priority LP input data streams The settings are display...

Страница 28: ...ndwidth correlates with the Used Bandwidth that is smaller For the correlation between the two bandwidths see Table 4 2 Remote command SOURce hw BB DVBT CHANnel BANDwidth on page 69 Used Bandwidth Def...

Страница 29: ...us 597 3 us 1194 7 us 7 MHz 256 us 512 us 1024 us 8 MHz 224 us 448 us 896 us Remote command SOURce hw BB DVBT FFT MODE on page 70 Guard Interval Sets the guard interval The interval is expressed in f...

Страница 30: ...ode rates for high priority path and low priority path Remote command Non hierarchical coding SOURce hw BB DVBT RATE HIGH on page 71 Hierarchical coding SOURce hw BB DVBT RATE HIGH on page 71 SOURce h...

Страница 31: ...0 LSB MSB most significant bit LSB least significant bit Remote command SOURce hw BB DVBT CELL ID on page 72 TPS Reserved State Enables or disables the reserved TPS bits See TPS Reserved Bits Hex on...

Страница 32: ...HIGH on page 72 Hierarchical coding SOURce hw BB DVBT TIMeslice HIGH on page 72 SOURce hw BB DVBT TIMeslice LOW on page 72 MPE FEC Requires Coding DVB H On Enables disables MPE FEC If enabled 1 TPS b...

Страница 33: ...ant and user defined channel coding Remote command SOURce hw BB DVBT SPECial SETTing STATe on page 74 Reed Solomon Enables disables the Reed Solomon encoder The standard stipulates a Reed Solomon RS 2...

Страница 34: ...r Marker Clock dialog and Trigger In Marker and Clock tabs in Baseband ARB Custom Digital Mod configuration dialogs pro vide quick access to the related connector settings Click the Global Connectors...

Страница 35: ...e these settings are described in Chapter 6 6 TSGen Subsystem on page 74 Settings TS Player Settings 35 Player Output 38 Seamless Loop Settings 41 4 7 1 TS Player Settings Access Select TS Player TS P...

Страница 36: ...defined predefined and recent files Table 4 9 lists file extensions of supported files Table 4 9 Supported TS player file types File extension Stream libraries Remark Option atsc_c ATSC ATSC Mobile D...

Страница 37: ...e start position is not replayed by the player The entered time stamp must chronologically always precede the entry under Stop Remote command TSGen CONFigure SEEK STARt on page 79 Position Player hh m...

Страница 38: ...nd ch on page 76 Stop Stops the player and returns to the start position Remote command TSGen CONFigure COMMand ch on page 76 4 7 2 Player Output Access Select TS Player Player Output The tab provides...

Страница 39: ...equires a trp trp_c emc or emc_c file loaded into the TS Player dia log trp files are previously recorded files Enables or disables nullpacket stuffing The output data rate of the TS player equals the...

Страница 40: ...acket Specifies the structure of the test transport stream packet that is fed to the modulator Head 184 Payload A sync byte 0x47 followed by three header bytes and 184 payload bytes Sync 187 Payload A...

Страница 41: ...If PID Test Packet Null PID Hex 1FFF is fixed If PID Test Packet Variable you can edit the value Remote command TSGen CONFigure PID on page 77 Payload Test Stuff Defines the payload area content of th...

Страница 42: ...nd TSGen CONFigure SEAMless CC on page 78 PCR DTS PTS Activates the correction of time stamps in the replayed TS data stream The correction allows you to decode the stream without interruption when th...

Страница 43: ...commands necessary to configure local IP data network settings are described in Chapter 6 7 BCIP Subsystem on page 82 How to Chapter 5 1 1 How to Apply an External IP Input Signal on page 46 Settings...

Страница 44: ...that you do not change the default network settings or the hostname to avoid problems with the network connection Remote command SYSTem COMMunicate BCIP hw NETWork COMMon HOSTname on page 83 Address M...

Страница 45: ...e host identifier To assign the subnet mask manually select Address Mode Static Remote command SYSTem COMMunicate BCIP hw NETWork IPADdress SUBNet MASK on page 84 Show Connector Accesses a dialog that...

Страница 46: ...rnal IP Input Signal 46 How to Apply an External TS Input Signal 49 How to Generate an Internal TS Signal 50 5 1 1 How to Apply an External IP Input Signal To connect the R S SMCV100B to local IP data...

Страница 47: ...are supports UDP and UDP RTP To configure an external IP input signal The R S SMCV100B is connected to a local IP data network see To connect the R S SMCV100B to local IP data network on page 46 1 Spe...

Страница 48: ...source address that is the source IPv4 address of the IP connection A source address different from 0 0 0 0 accepts only data originating from the specified IP address e Optionally to check availabil...

Страница 49: ...o specify the TS input interface at the R S SMCV100B The R S SMCV100B is connected to an MPEG TS data source via the User 1 con nector 1 Select Input Signal General Source External 2 Select General Gl...

Страница 50: ...to Generate an Internal TS Signal To play a TS file with the TS Player 1 Select Input Signal Source TS Player The TS Player button appears below 2 Click TS Player The TS Player dialog for playing TS d...

Страница 51: ...ength is 188 byte The maximum useful data rate is specified by the broadcast standard The measured data rate is lower and depends on the TS source settings The useful data rate is lower than the measu...

Страница 52: ...TS player stream data 5 3 Calculating the Input Data Rate The calculation of the input data rate depends on the coding hierachy see Hierarchy on page 15 Input data rate for nonhierarchical coding f_in...

Страница 53: ...2 3 PL 188 BW where f_in_HP input data rate of high priority path in Mbit s f_in_LP input data rate of low priority path in Mbit s CR_HP code rate of high priority path 1 2 2 3 3 4 5 6 7 8 CR_LP code...

Страница 54: ...s description provides simple programming examples The purpose of the examples is to present all commands for a given task In real applications one would rather reduce the examples to an appropriate s...

Страница 55: ...CATalog 56 SOURce hw BB DVBT SETTing DELete 56 SOURce hw BB DVBT SETTing LOAD 56 SOURce hw BB DVBT SETTing STORe 56 SOURce hw BB DVBT HIERarchy 56 SOURce hw BB DVBT PRESet Sets the parameters of the...

Страница 56: ...g current configuration on page 55 Usage Setting only Manual operation See Save Recall on page 15 SOURce hw BB DVBT SETTing LOAD DvbtRecall Loads the selected file from the default or the specified di...

Страница 57: ...rchy A1 SOURce 1 BB DVBT SOURce HIGH EXT SOURce 1 BB DVBT SOURce LOW Response TEST SOURce 1 BB DVBT INPut HIGH Response TS SOURce 1 BB DVBT INPut FORmat Response ASI SOURce 1 BB DVBT STUFfing HIGH Res...

Страница 58: ...INPut LOW InputLP SOURce hw BB DVBT INPut HIGH Input Sets the external input interface Parameters Input IP TS TS Input for serial transport stream data The signal is input at the User 1 2 connectors I...

Страница 59: ...particular channel see Chapter 4 2 4 IP Channnel x Settings on page 23 Parameters TSChannel 1 2 3 4 RST 1 Example See Example Configuring general input signal properties on page 57 Manual operation S...

Страница 60: ...erties for one IP TS channel only Query properties for e g IP TS channel 2 SOURce 1 BB DVBT INPut TSCHannel HIGH 2 SOURce 1 BB DVBT PACKetlength Response P188 SOURce 1 BB DVBT USEFulf RATE MAX HIGH Re...

Страница 61: ...ple See Example Querying input signal properties on page 60 Usage Query only Manual operation See Packet Length on page 20 SOURce hw BB DVBT USEFul RATE LOW SOURce hw BB DVBT USEFul RATE HIGH Displays...

Страница 62: ...x Useful Data Rate on page 21 SOURce hw BB DVBT INPut DATarate LOW SOURce hw BB DVBT INPut DATarate HIGH Queries the measured value of the data rate of one of the following External transport stream i...

Страница 63: ...DVBT TSPacket H184 SOURce 1 BB DVBT PIDTestpack NULL SOURce 1 BB DVBT PID 8191 in decimal representation 1FFF in hexadecimal representation SOURce 1 BB DVBT PIDTestpack VAR SOURce 1 BB DVBT PID 4607 c...

Страница 64: ...ST NULL Example See Example Configure test signal properties on page 63 Manual operation See PID Test Packet on page 22 SOURce hw BB DVBT PRBS SEQuence PRBS Sets the length of the PRBS sequence You ca...

Страница 65: ...gnal properties on page 63 Manual operation See Test Signal on page 19 SOURce hw BB DVBT TSPacket TSPacket Specifies the structure of the test transport stream packet that is fed to the modulator Para...

Страница 66: ...GMP SOURce ADDRess 192 168 10 1 SOURce1 BB INPut IP2 IGMP SOURce PING SOURce1 BB INPut IP2 IGMP SOURce RESult Response Ping Successful Commands SOURce hw BB INPut IP ch STATe 66 SOURce hw BB INPut IP...

Страница 67: ...See Port on page 26 SOURce hw BB INPut IP ch TYPE Type Sets the IP input type Parameters Type UNIcast MULTicast UNIcast Analyzes all unicast IP packets that arrive at the specified port See SOURce hw...

Страница 68: ...page 26 SOURce hw BB INPut IP ch IGMP SOURce PING Triggers pinging of the IGMP source address in the local IP data network Query the result via SOURce hw BB INPut IP ch IGMP SOURce RESult on page 68 E...

Страница 69: ...ce 1 BB DVBT RATE HIGH R5_6 SOURce 1 BB DVBT HIERarchy A1 SOURce 1 BB DVBT RATE HIGH Response R5_6 SOURce 1 BB DVBT RATE LOW R3_4 SOURce hw BB DVBT CHANnel BANDwidth 69 SOURce hw BB DVBT CONStel 69 SO...

Страница 70: ...e DVHState Enables or disables DVB H Parameters DVHState 0 1 OFF ON RST 0 Example See Example Configure coding properties on page 69 Manual operation See DVB H State on page 29 SOURce hw BB DVBT FFT M...

Страница 71: ...Manual operation See Code Rate on page 30 SOURce hw BB DVBT USED BANDwidth UsedBW Defines the used bandwidth Parameters UsedBW float Range 1000000 to 10000000 Increment 0 1 RST 66562500 Example See E...

Страница 72: ...S Cell ID Hex on page 30 SOURce hw BB DVBT MPEFec LOW MPEFecLP SOURce hw BB DVBT MPEFec HIGH MPEFecHP Enables disables MPE FEC If enabled 1 TPS bit s49 is used to signal that MPE FEC is used in at lea...

Страница 73: ...its in one digit hexadecimal format Parameters ReservedBits integer Range H0 to HF RST H0 Example See Example Configure transmission parameter signaling prop erties on page 71 Manual operation See TPS...

Страница 74: ...The setting allows you to switch between standard compliant and user defined channel coding Parameters Settings 0 1 OFF ON RST 0 Example See Example Configure special settings on page 73 Manual operat...

Страница 75: ...ng the file TSGen CONFigure COMMand PLAY Activates playing the file Example Configure and monitor TS player output Configure general and stuffing parameters of the TS player output TSGen CONFigure STU...

Страница 76: ...SGen CONFigure SEEK RESet 79 TSGen CONFigure SEEK STARt 79 TSGen CONFigure SEEK STOP 80 TSGen CONFigure STOPdata 80 TSGen CONFigure STUFfing 80 TSGen CONFigure TSPacket 80 TSGen CONFigure TSRate 81 TS...

Страница 77: ...ameters PID integer Range 0 to 8191 RST 8191 Example See Example Configure and monitor TS player output on page 75 Manual operation See PID Hex on page 41 TSGen CONFigure PIDTestpack PIDTestpack Sets...

Страница 78: ...less CC CC Activates the correction of the continuity counters in the replayed TS data stream The correction allows you to decode the stream without interruption when the play file is looping Paramete...

Страница 79: ...nt playing time position You can select a value in a 10 hour range Parameters Position float Range 0 to 36000000 Increment 0 1 RST 0 Example See Example Play a TS player file on page 74 Manual operati...

Страница 80: ...StopData Ensures that a standardized TS data stream is always output at the TS output at the rear of the R S SMCV100B Parameters StopData TTSP NONE RST NONE Example See Example Configure and monitor T...

Страница 81: ...ger Range 1 to 35E7 RST 5018502 Example See Example Configure and monitor TS player output on page 75 Manual operation See Data Rate on page 39 TSGen READ FMEMory FMemory Queries the file size of the...

Страница 82: ...ription BCIP hw 1 Available local IP LAN interfaces Example Retrieving information on local network related settings Monitor IP interface 1 local network status SYSTem COMMunicate BCIP1 NETWork STATus...

Страница 83: ...d that you do not change the hostname to avoid problems with the network connection If you change the hostname be sure to use a unique name Parameters Hostname string Example See Example Retrieving in...

Страница 84: ...ss string Range 00 00 00 00 00 00 to ff ff ff ff ff ff Example See Example Retrieving information on local network related settings on page 82 Manual operation See MAC Address on page 45 SYSTem COMMun...

Страница 85: ...BCIP hw NETWork STATus NetworkStatus Queries the network connection state Parameters NetworkStatus 0 1 OFF ON RST n a no preset default 0 Example See Example Retrieving information on local network r...

Страница 86: ...P Internet Group Management Protocol IGMPv3 Internet Group Management Protocol version 3 M MAC Media Access Control MPE FEC Multiprotocol encapsulation forward error correction MPEG Moving Picture Exp...

Страница 87: ...viations R S SMCVB K163 87 User Manual 1179 0997 02 02 T TCP Transmission Control Protocol TPS Transmission Parameter Signalling TS Transport Stream U UDP User Datagram Protocol V VSB Vestigial Sideba...

Страница 88: ...ications E ETSI EN 300 744 Digital Video Broadcasting DVB Framing structure channel cod ing and modulation for digital terrestrial television https www etsi org deliver etsi_en 300700_300799 300744 I...

Страница 89: ...CONFigure SEAMless TT 79 TSGen CONFigure SEEK POSition 79 TSGen CONFigure SEEK RESet 79 TSGen CONFigure SEEK STARt 79 TSGen CONFigure SEEK STOP 80 TSGen CONFigure STOPdata 80 TSGen CONFigure STUFfing...

Страница 90: ...w BB DVBT TIMeslice HIGH 72 SOURce hw BB DVBT TPSReserved STATE 73 SOURce hw BB DVBT TPSReserved VALue 73 SOURce hw BB DVBT TSPacket 65 SOURce hw BB DVBT USED BANDwidth 71 SOURce hw BB DVBT USEFul RAT...

Страница 91: ...source address 26 PLP info 20 Port 26 PRBS 23 Source 17 Stuffing 18 Test signal 19 Test signal settings 22 Test TS packet 22 Type 25 Useful data rate 21 Installation 10 Instrument help 8 Instrument s...

Страница 92: ...e 38 Payload test stuff 41 PCR DTS PTS 42 PID 41 PID test packet 41 Play 37 Player output settings 38 Position player 37 PRBS 41 Reset window 37 Running 36 Seamless loop settings 41 Select file 36 Sta...

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