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IP Core 제품 > Codecs > Viterbi encoder decoders |
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Viterbi decoder (burst-mode),
Viterbi decoder (tail-biting) |
| Product codes: CMS0002, CMS0008 |
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Our zero-terminated burst-mode Viterbi decoder (CMS0002) was designed specifically for block-based standards such as 802.11a and 802.16, but it is also suitable for a wide range of continuous-mode applications including DOCSIS (J.83-B) and DVB-T.
We also offer a tail-biting Viterbi decoder (CMS0008) which provides bandwidth-efficient Forward Error Correction in either continuous or discontinuous data transmission systems. |
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Block diagram
Click on image for further information
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Downloads
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Features of burst-mode
Native 1/2 coderate with user puncture.
Programmable constraint length.
Programmable generator coefficients.
Configurable traceback length.
Zero-flush mode for 802.11a, 802.16.
Minimum latency between code blocks.
Variable / arbitrary block size.
Significantly reduced group delay.
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Features of tail-biting
Native 1/2 coderate with user puncture.
Programmable constraint length.
Programmable generator coefficients.
Zero latency between code blocks.
Fixed code block size.
Coding gain and group delay comparable to typical continuous-mode designs.
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Implementation
Optimised for ASIC, Xilinx and Altera.
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