Abstract
An optical RF feeding system for wireless access is proposed, in which the radio access points are
distinguished by means of coherence multiplexing (CM). CM is a rather unknown and potentially inexpensive optical
code division multiple access technique, which is particularly suitable for relatively short-range applications with
moderate transmission bandwidth requirements. Subcarrier multiplexing (SCM) can possibly be used on top of CM,
either as single-channel or multichannel SCM. The performances of the resulting distribution networks are analyzed,
incorporating the effect of chromatic dispersion, optical beat noise, shot noise, thermal noise, and—in the
case of multichannel SCM—intermodulation distortion. The results of the analyses are illustrated by using
numerical examples, based on the IEEE 802.11b standard for wireless LAN.
© 2007 IEEE
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