Design of Reliable Long-Distance Air-to-Ground Communication Systems Intended for Operation under Severe Multipath Propagation Disturbances

• Published in: I.R.E. transactions on aerospace and navigational electronics Vol. ANE-9; no. 2; pp. 67 - 78
• Main Author: Otten, Klaus W.
• Format: Journal Article
• Language: English
• Published: 01.06.1962
• Subjects: Demodulation; Digital communication; Diversity reception; Doppler shift; Frequency diversity; Frequency modulation; Instruments; Protection; Pulse modulation; Redundancy

A survey of the principal methods of improving the reliability of long-range digital communication systems introduces the subject. Special modulation techniques as well as redundant transmission of pulses, redundant in time and in carrier frequency, are described as methods to counteract the effects...