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Title: Pilot-aided log-likelihood ratio for LDPC coded MPSK-OFDM transmission
Authors: Cao, S.
Kam, P.-Y. 
Yu, C.
Keywords: Log-likelihood ratio (LLR)
low-density parity-check (LDPC)
orthogonal frequency division multiplexing (OFDM)
phase noise
Issue Date: 2013
Citation: Cao, S., Kam, P.-Y., Yu, C. (2013). Pilot-aided log-likelihood ratio for LDPC coded MPSK-OFDM transmission. IEEE Photonics Technology Letters 25 (6) : 594-597. ScholarBank@NUS Repository.
Abstract: The pilot-aided log-likelihood ratio (LLR) is derived from low-density parity-check coded coherent optical M-ary phase-shift keying orthogonal frequency division multiplexing transmission system with laser phase noise. Approximations of the metrics, which yield lower computational cost and comparable performance, are also introduced. The bit error ratio performance is tested through simulation for the proposed LLR metrics. © 1989-2012 IEEE.
Source Title: IEEE Photonics Technology Letters
ISSN: 10411135
DOI: 10.1109/LPT.2013.2246563
Appears in Collections:Staff Publications

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