Permuted M-matrices for the reduction of phase-induced intensity noise in optical CDMA network

Jen Fa Huang, Chao Chin Yang

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Two codeword families and the corresponding encoder/decoder schemes are present for spatial/frequency optical code-division multiple-access communications. These 2-D codewords have multiple weights per row and can be encoded/decoded via compact hardware. With the proposed decoding mechanism, the intended user will reject interfering users and multiple-access interference is fully eliminated. In addition, the power of the same wavelength contributed by all interfering codewords is split and detected by distinct photodiodes in the decoder. Thus the performance degradation due to the beat noise arising in the photodetecting process is improved, as compared with the traditional 1-D coding scheme, and a larger number of active users is supported under a given bit-error rate.

Original languageEnglish
Pages (from-to)150-158
Number of pages9
JournalIEEE Transactions on Communications
Volume54
Issue number1
DOIs
Publication statusPublished - 2006 Jan

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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