Iterative or Turbo decoding of parallel concatenated binary error control codes in Binary Phase Shift Keyed (BPSK) Communication System corrupted by both Additive White Gaussian Noise (AWGN) and oscillator phase noise is discussed. As an example of application of the discussed theory, iterative decoding technique of Parallel Concatenated block Codes (PCBC) is applied to a coherent Optical Code Division Multiple Access (OCDMA) network in the presence of Multiple Access Interference (MAI), detector shot noise and laser phase noise. Remarkable improvement in performance resulting from the use of turbo decoding in the OCDMA network is also discussed.

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dc.contributor.authorKumar, M.S.
dc.contributor.authorBhat, K.N.H.
dc.contributor.authorUmesh, G.
dc.date.accessioned2026-02-05T11:00:20Z
dc.date.issuedPerformance of iteratively decoded parallel concatenated error control codes in phase noise corrupted BPSK systems
dc.description.abstract2004
dc.identifier.citationIETE Journal of Research, 2004, 50, 3, pp. 237-242
dc.identifier.issn3772063
dc.identifier.urihttps://doi.org/10.1080/03772063.2004.11665511
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/27958
dc.publisherMedknow Publications
dc.subjectCode division multiple access
dc.subjectCommunication systems
dc.subjectComputer simulation
dc.subjectDecoding
dc.subjectError analysis
dc.subjectGaussian noise (electronic)
dc.subjectIterative methods
dc.subjectOptical communication
dc.subjectProbability density function
dc.subjectProblem solving
dc.subjectTurbo codes
dc.subjectIterative (turbo) decoding
dc.subjectLog likelihood ratio
dc.subjectMultiple access interference (MAI)
dc.subjectPhase noise
dc.subjectPhase shift keying
dc.titleIterative or Turbo decoding of parallel concatenated binary error control codes in Binary Phase Shift Keyed (BPSK) Communication System corrupted by both Additive White Gaussian Noise (AWGN) and oscillator phase noise is discussed. As an example of application of the discussed theory, iterative decoding technique of Parallel Concatenated block Codes (PCBC) is applied to a coherent Optical Code Division Multiple Access (OCDMA) network in the presence of Multiple Access Interference (MAI), detector shot noise and laser phase noise. Remarkable improvement in performance resulting from the use of turbo decoding in the OCDMA network is also discussed.

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