Robert Scholtz



The first spread-spectrum RF system was proposed by Heddy Lamarr and George Antheuil. 3
Spread-spectrum and ultra-wideband (UWB) technology arose during the Second World War. Actress Hedy Kiesler Markey (better known by her screen name, Hedy Lamarr) and George Antheil invented a frequency-hopping secret communication system. [1] The  Figure below shows their frequency hopping transmitter. A record tape encodes a unique coding pattern to […]

RTLS: The First Ultrawideband Wireless System