256-QAM subcarrier transmission using coding and optical intensity modulation in distribution networks
- 1 April 1991
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 3 (4) , 381-383
- https://doi.org/10.1109/68.82119
Abstract
Fiber-optic transmission of 256 quadrature amplitude modulation (QAM) signals at both 10 Mb/s and 50 Mb/s transmission rates are presented. Theoretical and preliminary experimental bit error rate (BER) performance results are described for two types of 256-QAM signals. Application of error correction coding using a BCH code is very effective in optical analog intensity modulation. It is feasible to use 256-QAM signals as subcarriers in fiber distribution networks.<>Keywords
This publication has 7 references indexed in Scilit:
- Synchronous digital transmission systems based on CCITT SDH standardIEEE Communications Magazine, 1990
- Fiber-optic subcarrier multiplexing video transport employing multilevel QAMIEEE Journal on Selected Areas in Communications, 1990
- Fiber-optic transmission of microwave 64-QAM signalsIEEE Journal on Selected Areas in Communications, 1990
- Subcarrier multiplexed lightwave systems for broad-band distributionJournal of Lightwave Technology, 1989
- Subcarrier multiplexed lightwave system design considerations for subscriber loop applicationsJournal of Lightwave Technology, 1989
- Trellis-coded modulation with redundant signal sets Part II: State of the artIEEE Communications Magazine, 1987
- Advanced 16-QAM techniques for digital microwave radioIEEE Communications Magazine, 1981