High efficiency can be obtained by using multi-level coding, at the expense of receiver complexity and sensitivity degradation. Alternatively, bandwidth-reduced formats like enhanced phase shaped binary transmission (EPSBT) or vestigial side band (VSB) have demonstrated high spectral efficiencies. In this respect, the enhanced PSBT and RZ-VSB formats seem to be most adequate.
Modulation formats for higher WDM spectral efficiencies
2001-01-01
160951 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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