Abstract
Feature Issue on
Optical Wireless Communications (OWC)
We describe what we believe to
be a new paradigm for autonomous configuration and self-organization of directional
broadband wireless networks. These networks use combined free-space optics (FSO) and
directional radio-frequency (RF) wireless communication modalities, along with agile
transceivers that can intelligently direct their narrow beams. Autonomous hardware
and software control of network topologies is used to set up links or reconfigure
them in response to performance degradation. We call our new paradigm for dynamic
network operation and self-organization "topology control." We describe research in
the design, development, and evaluation of novel, fully optical wireless pointing,
acquisition, and tracking (PAT) techniques. We also describe the modeling and
simulation of hybrid FSO-RF networks in dynamic environments, which include changing
traffic and atmospheric conditions, and node mobility.
© 2005 Optical Society of America
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