Abstract

<p><a href="http://www.osa-jon.org/features/OWC_2005.html">Feature Issue on Optical Wireless Communications (OWC)</a></p> It is commonly agreed that the next generation of wireless communication systems, usually referred to as fourth-generation (4G) systems, will not be based on a single access technique but will encompass a number of different complementary access technologies. We outline some of the radio frequency (RF) standards that will be used and assess where optical wireless (OW) communications may play a role. Further, we outline some future research challenges and opportunities.

© 2005 Optical Society of America

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