Bisdn compatible modem codec for digital information communication system

A modem/codec is designed for a digital signal transmission system using a single satellite transponder. The system is capable of transmitting data of a rate of 155.52 Mbps, and is thus compatible with the BISDN rate. A codec of rate 13/15 is used, and an octal phase shift keying modem is also used....

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Bibliographic Details
Main Author HEMMATI; FARHAD
Format Patent
LanguageEnglish
Published 28.02.1995
Edition6
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
SELECTING
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A modem/codec is designed for a digital signal transmission system using a single satellite transponder. The system is capable of transmitting data of a rate of 155.52 Mbps, and is thus compatible with the BISDN rate. A codec of rate 13/15 is used, and an octal phase shift keying modem is also used. In this way, the digital signal transmission system is capable of receiving data at a rate of 155.52 Mbps over a single INTELSAT V/VA transponder with a usable bandwidth of 72 MHz.
Bibliography:Application Number: US19910791057