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The
University of Hawaii (UH) has been one of the pioneers
in the area of wireless communications technology, having
developed, over thirty years ago, the first wireless packet
radio system based on ALOHA protocol. Ideas used in this
protocol strongly influenced the development of the CSMA/CD
access protocol used in Ethernet, the network model most
widely used in computer communications. More recently,
and with the recruiting of new faculty, the research focus
at UH has been shifting more towards the physical-layer
type of projects including innovative antenna designs ; DSP for smart antennas, blind-multiuser detection, and
cooperative diversity ; propagation prediction and modeling
of wireless networks ; RF and quasi-optical devices]; and
the development of computationally and power-efficient
iterative decoding algorithms for wireless communications
systems.
The Hawaii Center for Advanced Communications (HCAC) at
the University of Hawaii, Manoa Campus, is a research and
education center established in 2000 by the Board of Regents
in the College of Engineering. HCAC supports research and
training on a wide range of advanced communications technologies.
The main focus of the communications research at HCAC is in
the area of broadband wireless with emphases on using
electromagnetics assets (antennas, propagation modeling,
radar design and signal analysis) and digital signal
processing algorithms (smart antennas and algorithms for
buried target detection and classification) in the design
and overall optimization of advanced wireless communications
and radar systems. Specific research projects with strong
external funding are in antennas and antenna arrays design,
propagation modeling and channel sounding, the development
of signal processing algorithms for smart antennas and
multi-user detection, advanced integrated design for HF
radar for Homeland security applications, and the
development of ground penetrating radar technologies for
buried targets detection and classification.
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