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Joint blind frame synchronization and encoder identification for LDPC codes | IEEE Conference Publication | IEEE Xplore

Joint blind frame synchronization and encoder identification for LDPC codes


Abstract:

In this paper, we would like to tackle joint blind frame synchronization and encoder identification of binary low-density parity-check (LDPC) codes for binary phase-shift...Show More

Abstract:

In this paper, we would like to tackle joint blind frame synchronization and encoder identification of binary low-density parity-check (LDPC) codes for binary phase-shift keying (BPSK) signals. The unknown encoder and the unknown time-delay can be blindly estimated at the same time using the average log-likelihood ratios (LLRs) of syndrome a posteriori probability (APP). To reduce the complexity of the blind frame synchronization, we propose a two-stage search method with a search step-size q by exploiting the quasi-cyclic property of the parity-check matrix. Our proposed new joint scheme is evaluated by the probability of detection resulting from numerous Monte Carlo simulations. The simulation results demonstrate the effectiveness of our proposed joint blind frame-synchronization and encoder-identification scheme for multi-path situations.
Date of Conference: 10-14 June 2014
Date Added to IEEE Xplore: 28 August 2014
Electronic ISBN:978-1-4799-2003-7

ISSN Information:

Conference Location: Sydney, NSW, Australia

References

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