Telecommunications transmission

Details Telecommunications transmission Telecommunications transmission

1996-12-06

1999-03-16

Jung, Min

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

370516, 370535, 375371, H04J 306

Patent

active

058839003

ABSTRACT:
A telecommunications transmission system carries multiple tributary data streams with SDH compatible multiplexing and demultiplexing arrangements that include a tributary justification algorithm utilizing both byte and bit justification means as well as a double-ended payload protocol. The byte justification means employs an offset clock with a nominal constant frequency offset from the transmission system clock so that the offset clock can be used to force regular rate of byte justifications of constant sign. The bit justification means employs the difference between the tributary clock and the offset clock to determine the bit justifications necessary to multiplex the tributary data stream and the bit justifications are normally of complementary sign to the forced regular byte justifications except where the frequency of the offset clock lies between the frequency of the transmission clock.

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