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|Title:||Overmodulated single-octave subcarrier multiplexed optical networks for multichannel FM video distribution||Authors:||Mendis, F.V.C.
|Issue Date:||1990||Citation:||Mendis, F.V.C.,Tan, B.T. (1990). Overmodulated single-octave subcarrier multiplexed optical networks for multichannel FM video distribution. Conference Record - International Conference on Communications 2 : 404-408. ScholarBank@NUS Repository.||Abstract:||In subcarrier multiplexed (SCM) multichannel FM video systems, the carrier-to-noise ratio per channel may be increased by overmodulating the laser diode source. The authors predict the overmodulation that may be employed in practice for single-octave SCM transmission in passive optical networks. It is shown that optical modulation indices (OMI) exceeding 500% may be used if the number of subcarriers is large. A 47-dB signal-to-noise ratio (with 4-dB margin) is deemed sufficient for acceptable picture quality in cable distribution systems, while a 56-dB value would be required for long-distance point-to-point optical links.||Source Title:||Conference Record - International Conference on Communications||URI:||http://scholarbank.nus.edu.sg/handle/10635/72841||ISSN:||05361486|
|Appears in Collections:||Staff Publications|
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