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Hardware Implementation of LDPC Code Applied to Flat-Fading Channels

Mohammadzadeh Jasour, Sheida | 2013

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 45539 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Shabany, Mahdi
  7. Abstract:
  8. Coding information data is one of the ways to prevent noise effect on the information bits, during passing communication channels. Coding data gives the possibility to detect and correct the data in the receiver. The LDPC codes which were first introduced by Gallager in the 1962 are forward error correction codes and can approach the Shannon’s capacity to within hundredths of a decibel.
    In this project a modified algorithm for decoding these group of codes is introduced, which can achieve acceptable bit error rate, while it can have better throughput than the same implementations. This algorithm is implemented partial-parallel for IEEE802.11n standard in ASIC. It is shown that, it has better energy efficiency than the other implementations
  9. Keywords:
  10. Very Large Scale Integration (VLSI)Circuits ; Log-Likelihood Ratio (LLR) ; Low Density Parity Check Codes (LDPC) ; Hard Decision

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