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Publication date
Application grantedgrantedCritical
Publication of FR957583ApublicationCriticalpatent/FR957583A/fr
H04B7/00—Radio transmission systems, i.e. using radiation field
H04B7/14—Relay systems
H04B7/15—Active relay systems
H04B7/155—Ground-based stations
H04B7/17—Ground-based stations employing pulse modulation, e.g. pulse code modulation
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B14/00—Transmission systems not characterised by the medium used for transmission
H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval