Abstract
We propose and demonstrate an integrated long- reach
passive optical network (PON) and in-house graded-index plastic optical fiber
(GI-POF) network architecture for hybrid community antenna television (CATV)
and orthogonal frequency division multiplexing (OFDM) signals transmission.
By reasonably multiplexing the OFDM and CATV signals into a CATV transmitter,
both signals originated from a central office (CO) are successfully transmitted
over a span of 60 km single mode fiber (SMF) and another span of 25 m GI-POF
to consumers' devices. Although the SMF and GI-POF have different core sizes
and attenuation features, no any bridge circuit or wavelength converter is
utilized in the proposed architecture resulting in a transparent platform
for the Internet service providers (ISPs) to directly manage their long-distance
services toward suburban or rural areas. Since the optical signal generated
at the CO can be transmitted straightforward to the consumers' devices, the
average packet delay and packet overhead size can be greatly reduced and the
quality of services (QoS) can be maintained easier. Good experimental performances
of the CATV and OFDM signals transmission proof the practice and efficiency
of this proposal to extend multimedia services from metro areas to suburban
and rural areas.
© 2012 IEEE
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