Maximum likelihood sequence detector for dicode pulse position modulation

R. A. Charitopoulos, M. J.N. Sibley, P. J. Mather

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


It is shown that the dicode pulse position modulation (DiPPM) scheme, presented in this study, demonstrates several key advantages in comparison with other existing PPM schemes, because of the compact structure and efficient recovery process of the clock signal. An error corrector for the DiPPM scheme is presented, where experimental results prove the theoretical expectations of a previous publication. Thus, it is demonstrated that DiPPM with the use of a maximum likelihood sequence detector (MLSD) error corrector, significantly reduces or eliminates errors incurred during the transmission. Comparison of and discussion on the outcomes of a DiPPM system with and without the error corrector are included.

Original languageEnglish
Pages (from-to)261-264
Number of pages4
JournalIET Optoelectronics
Issue number6
Publication statusPublished - 1 Dec 2011


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