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Date de parution
TAILLE DU FICHIER: 5,32 MB
DATE DE PUBLICATION: 1996-Jan-01
AUTEUR: Théodore-S Rappaport
IEEE Wireless Communications is designed for audience working in the wireless communications and networking communities. It covers technical, policy and standard issues relating to wireless communications in all media (and combinations of media), and at all protocol layers. All wireless/mobile communications, networking, computing and services will be covered. Each issue of this ...
1.1 History of Wireless Communications The ﬁrst wireless networks were developed in the Pre-industrial age. These systems transmitted infor-mation over line-of-sight distances (later extended by telescopes) using smoke signals, torch signaling, ﬂashing mirrors, signal ﬂares, or semaphore ﬂags. An elaborate set of signal combinations was developed to convey complex messages with these ...