Software

SMO-CT

Software Package for Digital TV Signal Analysis

Certificate of state registration of software packages No. 2015613938 of 31.03.2015

Purpose:

  • Search for DVB-T/H digital TV signals, signal parameter measuring, control data acquisition, decoding and analysis of traffic stream, separating of different channel substream.


DVB-T2 signal analysis results window


DVB-T2 signal analysis results window

Features:

  • Can be operated in local and network application
  • Measurement procedure Certificate of Qualification No. 0001/POCC COБ 6.00095.2013/2015 as 20.10.2015. It is also registered in the Federal Metrology and Standardization Foundation with No. ФР1.35.2015.21788.

The Software Package Provides for the Following Functions:

  • Real-time detection of DVB-T/T2/H signals
  • Signal spectrum display
  • Control data acquisition, including detection of:
    • Signal type (DVB-T/T2/H)
    • Transmitting station ID
    • Program names and ID's (PID), including PID's of audio and video streams, decoded from transport stream
    • Coding rate for high and low priority stream
    • Guard time length
    • Transfer mode (1K, 2K, 4K, 8K, 16K, 32K).
  • Measurement of spectra including measurement of frequency offset, frequency band width, OFDM signal linearity (attenuation branches) identification of narrow-band interferences within the signal band
  • Measurement of signal quality (I/Q analysis) including modulation mean error estimation (MER and EVM), plotting MER/frequency graphs, modulation system error (STE), carrier feedthrough level (CS), amplitude misbalance (AI), quadrature error (QE), phase jigger (PJ) and modulation constellation visualization
  • Measurement of the synchronization level including errors of time labels, structural synchronization error etc.
  • Guard time length verification
  • Measurement of channel parameters including: noise level, signal-noise ratio, multipath propagation profile evaluation
  • Search and view of measurement results in the database as per given parameters
  • Import of results from databases
  • Generation of reports as per measurement results.

For DVB-T/H signals:

  • Hierarchy parameter detection
  • Measurement of power including estimation of the average signal power, OFDM signal amplitude-phase distribution and OFDM signal CCD, estimation of signal peak factor and crest factor
  • Measurement of bit error rate before the Viterbi decoder, bit error rate before the Reed-Solomon decoder, visualization of channel’s burst response, channel’s frequency response (range, phase, delay).

For DVB-T2 signals:

  • Automatic determination of number of DVB-T2 digital TV signal carriers for 1K, 4K, 8K, 16K, 32K modes
  • Automatic determination of availability of extended set of carriers for 8K, 16K, 32K modes
  • Automatic determination of relative duration of protection interval (1/128, 1/32, 1/16, 19/256, 1/8, 19/128, 1/4) of DVB-T2 digital TV signal
  • Automatic determination of distribution scheme of dispersed pilot signals (PP1; PP2; PP3; PP4; PP5; PP6; PP7) of DVB-T2 digital TV signal
  • Determination of modulation type (QPSK; 16-QAM; 64-QAM; 256-QAM) of PLP single stream in single stream mode A or PLP selected stream in multistream mode B
  • Determination of relative rate of code with low density of parity checks (LDPC) for PLP single stream in single stream mode A or selected PLP stream in multistream mode B. Relative code rate should correspond to series of allowable values: 1/4; 1/2; 3/5; 2/3; 3/4; 4/5; 5/6
  • Determination of frame length (16K; 64K) with noiseless coding (FECFRAME)
  • Imaging signal constellation for:
    • Single PLP stream in single stream mode A
    • Selected PLP stream in multistream mode B
    • P1 preamble symbols
    • L1 signaling
  • Determination of spatial separation mode for transmitting set antennae (SISO; MISO)
  • Determination of per bit error rate before Bose-Chaudhuri-Hocquenghem code (hereinafter, BCH code) decoder
  • Limits of allowable relative error of measurement of bit error rate before Bose-Chaudhuri-Hocquenghem code decoder (0,1 M +0,1), where M is measured value of bit error rate
  • Determination of relative amount of erroneous streaming frames (BBFRAME)
  • Determination of relative amount of erroneous packages of transport stream
  • Determination of modulation error ratio for single PLP stream in single stream mode A or selected PLP stream in multistream mode B
  • Measurement of amount of received PLP streams in multistream mode B within the range from 0 to 255
  • Analysis of transport stream structure and relevant service information tables (SI/PSI)
  • Measurement of full transport stream rate, actual rate of each transport stream program and each package type having data package identifier (PID), separately.


Software Package is compatible with the following radio monitoring equipment: ARGAMAK-IS, ARGAMAK-M, ARC-D11.


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