1 Spread spectrum signals and systems 1 1.1 Basic definition 1 1.2 Historical sketch 5 2 Classical reception problems and signal design 7 2.1 Gaussian channel, general reception problem and optimal decision rules 7 2.2 Binary data transmission (dete
We report experiments of ultraviolet (UV) communication based on spread-spectrum technique. Field mea-surements via online UV communication are conducted to compare the system performances with and with-out spectrum spreading. The results indicate th