Abstract
We demonstrate the first millimeter-wave Gb/s transmission of broadband
wireless signals using uncooled directly modulated lasers to give a low-cost
solution. Data signals to and from the base station are distributed at intermediate
frequencies for reduced chromatic dispersion together with a remote 40-GHz
local oscillator signal for frequency upconversion/downconversion. Coarse-wavelength-division-multiplexing
components are employed throughout the network allowing uncooled lasers and
low cost filters to be used. Error-free transmission $({\hbox{BER}}<10^{-9})$ has been achieved for the
downlink and the uplink. The paper also provides detailed system link analysis
together with simulation results.
© 2008 IEEE
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