Abstract
A hybrid wavelength-division multiple-access (WDMA)∕time-division
multiple-access (TDMA) protocol specifically designed for access is presented. With
shared tunable laser sources located at the central office (CO), reflexive optical
network units (ONUs), and a dynamic time-assignation protocol, there is no need to
synchronize upstream transmission because access to the shared media is given by the
CO. This hybrid access protocol is scalable in terms of number of lasers, offers
flexible bandwidth allocation, and is suitable for all wavelength-selective network
topologies. The proposed protocol was evaluated by mathematical analysis and
simulations.
© 2005 Optical Society of America
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