The concepts of frequency reuse and handoff, as well as a number of other concepts that formed the basis of modern cell phone technology, were described in the late 1960s, in papers by Frenkiel and Porter.
Mõisted "sageduse taaskasutus" ja "ärapanek", ning samuti mitmed teised mõisted mis olid aluseks modernsele mobiiltelefoni tehnoloogiale tutvustati hiljem 1960. aastatel Frenkiel ja Porteri poolt.