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LDPC FEC
Codec
*This presentation is the intellectual property of Logic Fruit Technologies . Any plagiarism or misuse is
punishable according to Indian Laws.
February 2023
The LDPC decoder is used for Forward Error Correction (FEC) in systems where
transmitted data is subjected to errors before the reception, e.g., communications
systems, disk drives, and so on. LDPC Codes are part of recently invented ‘Iterative
decoders’, which involve multiple iterations to improve performance. Iterative
decoder shows improved performance compared to legacy convolution codes.
LDPC codes outperform Convolution codes by 3-4 dB and are characterized by a
‘water-fall’ region in their SNR – BER curve. There is an SNR threshold after which
BER decreases very rapidly. Hence, LDPC codes have found their place in most of
the latest standards including Wi-Fi (802.11n, 802.11ac), Wi-Max (802.16e), DVB-
S2, and 3GPP-LTE Advanced.
2
Enhancement Available (On Demand)
 Support for different Code-Rates/Block-Sizes
 Support for different communication standards e.g. 802.11n, 802.11ac, 802.16e, etc.
 System-Generator Model and Test-Bench availability (On demand)
3
To know more about LDPC FEC Codec, see https://www.logic-fruit.com/blog/wireless-
communication/ldpc-fec-codec/
Want to know more?
Click on the below button, to learn more about
the LDPC FEC Codec.
Learn More
TALK TO US TODAY
Sales@logic-fruit.com
www.logic-fruit.com

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LDPC FEC Codec

  • 1. LDPC FEC Codec *This presentation is the intellectual property of Logic Fruit Technologies . Any plagiarism or misuse is punishable according to Indian Laws. February 2023
  • 2. The LDPC decoder is used for Forward Error Correction (FEC) in systems where transmitted data is subjected to errors before the reception, e.g., communications systems, disk drives, and so on. LDPC Codes are part of recently invented ‘Iterative decoders’, which involve multiple iterations to improve performance. Iterative decoder shows improved performance compared to legacy convolution codes. LDPC codes outperform Convolution codes by 3-4 dB and are characterized by a ‘water-fall’ region in their SNR – BER curve. There is an SNR threshold after which BER decreases very rapidly. Hence, LDPC codes have found their place in most of the latest standards including Wi-Fi (802.11n, 802.11ac), Wi-Max (802.16e), DVB- S2, and 3GPP-LTE Advanced. 2
  • 3. Enhancement Available (On Demand)  Support for different Code-Rates/Block-Sizes  Support for different communication standards e.g. 802.11n, 802.11ac, 802.16e, etc.  System-Generator Model and Test-Bench availability (On demand) 3 To know more about LDPC FEC Codec, see https://www.logic-fruit.com/blog/wireless- communication/ldpc-fec-codec/
  • 4. Want to know more? Click on the below button, to learn more about the LDPC FEC Codec. Learn More TALK TO US TODAY Sales@logic-fruit.com www.logic-fruit.com