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DVB-T/H Conformance Tests with DVB-T/H Digital Video Solution

DVB-T/H Conformance Tests with DVB-T/H Digital Video Solution

应用文章

DVB-T is the most widely used digital television standard for terrestrial television transmissions. DVB-H is an extension of DVB-T, which is optimized for mobile television transmissions. They use OFDM technology and a range of specifications including:

  • 3 modulation options (QPSK, 16QAM, 64QAM): There is a balance between the rate at which data can be transmitted and the signal to noise ratio that can be tolerated
  • Different FEC rates: Error correction uses convolutional coding and Reed Solomon coding with code rates of 1/2, 2/3, 3/4, 5/6, or 7/8, depending upon the requirements
  • 2k, 4k, or 8k carriers with four guard interval options: 1/4, 1/8, 1/16, 1/32 to provide broadcasters with network planning flexibility
  • 5, 6, 7, or 8 MHz channel bandwidths for variable available bandwidth and channel separation

 

Keysight Technologies, Inc. provides real-time and arbitrary DVB-T/H signal sources which fully support all of these features. Conformance test for DVB-T/H receivers can be conducted using the N5106A PXB, N7623B Signal Studio for digital video, and N5182A MXG.

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