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Sending device and method of digital broadcasting system

A sending device and digital broadcasting technology, applied in broadcasting circuit devices, digital transmission systems, transmission systems, etc., can solve problems such as inability to correct errors

Inactive Publication Date: 2004-04-14
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] However, when an error occurs beyond the correction range of the RS decoder (i.e., the receiver's outer decoder), it cannot be corrected even with the error correction code employed by the concatenated code system

Method used

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  • Sending device and method of digital broadcasting system
  • Sending device and method of digital broadcasting system
  • Sending device and method of digital broadcasting system

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Embodiment Construction

[0031] Hereinafter, the present invention will be described in more detail with reference to the drawings.

[0032] figure 2 It is a block diagram of a transmitting device of a digital broadcasting system having a compound error correction coding function according to the present invention.

[0033] refer to figure 2 , the transmitting apparatus of the digital broadcasting system according to the present invention includes a scrambler 100 , a forward error correction (FEC) unit 200 , and a modulation unit 300 . The FEC unit 200 includes a concatenated error correction code generation block 210 , an outer interleaver 220 , a convolutional encoder 230 and an inner interleaver 240 . The modulation unit 300 includes a mapping block 310 , an inverse fast Fourier transform (IFFT) block 320 , a guard interval insertion block 330 , a synchronization information insertion block 340 , a pulse shaping filter block 350 and a radio frequency (RF) block 360 .

[0034] The scrambler 100 r...

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Abstract

A transmitting apparatus and a transmitting method for a digital broadcasting system are provided to extend a range of error correction by using two RS encoders. A multi-stage error correction code generator(210) includes a first RS(Reed-Solomon) encoder, a block interleaver, and a second RS encoder. The first RS encoder outputs data encoded in blocks to correct errors of inputted data. The block interleaver rearranges the data output from the first RS encoder. The second RS encoder outputs re-encoded data in blocks to correct errors of the data output from the block interleaver. An outer interleaver(220) rearranges the data output from the second RS encoder in bytes. A convolution encoder(230) convolutedly encodes the data output from the outer interleaver. An inner interleaver(240) rearranges the data output from the convolution encoder. A modulator(300) modulates the data digitally.

Description

technical field [0001] The present invention relates to a sending device and a method of a digital broadcasting system, more particularly, to a sending device and a method of a digital broadcasting system with a complex error correction coding function to correct a wide range of errors. Background technique [0002] Compared with analog broadcasting, digital broadcasting has the ability of system integration and cooperative work by using a digital coding system. By using computers and networks, digital broadcasting satisfies the requirement of being the core of so-called media concentration. In addition, compared with the one-way analog broadcasting, the interactive characteristics of digital broadcasting have undergone a great change. [0003] In order to ensure the comprehensive and collaborative work ability of digital broadcasting, standards must be introduced first. Currently recommended transmission methods for digital terrestrial television broadcasting are 8-VSB (V...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/015H03M13/03H04H20/46H04J11/00H04L27/26H04N19/89
CPCH04L1/0042H04L1/0057H04L1/0071H04L27/2634
Inventor 张龙德
Owner SAMSUNG ELECTRONICS CO LTD