Maintenance response signalling arrangement for a digital transm

Details Maintenance response signalling arrangement for a digital transm Maintenance response signalling arrangement for a digital transm

1983-08-08

1986-04-29

Orsino, Jr., Joseph A.

Pulse or digital communications

Repeaters

Testing

370 8, 370 11, 3701104, 375120, 455601, H04B 336, H04B 900

Patent

active

045861862

ABSTRACT:
A maintenance response signalling arrangement for a digital transmission system transmits response signals from a repeater to an end terminal. From the repeater, response information is modulated onto a subcarrier which is superimposed as a jitter signal on the main data stream. At the end terminal, the response information is recovered from the jitter signal on the main data stream.

REFERENCES:
patent: 3718766 (1973-02-01), Stover
patent: 4015083 (1977-03-01), Bellisio
patent: 4079203 (1978-03-01), Dragoo
patent: 4121195 (1978-10-01), Jessop
patent: 4300239 (1981-11-01), Wakabayashi et al.
patent: 4313224 (1982-01-01), Wakabayashi et al.
patent: 4369523 (1983-01-01), Seki et al.
patent: 4499600 (1985-02-01), Powell et al.
Bell System Technical Journal, Nov. 1963, "Systematic Jitter in a Chain of Digital Regenerators" by C. J. Byrne et al., pp. 2679-2714.
Ultrasonics Symposium Proceedings, Sep. 1979, "Crossed-Resonator SAW Filter: A Temperature-Stable Wider-Band, Filter on Quartz" by R. L. Rosenberg et al., pp. 836-840.
Transmission Systems for Communications, 5th Ed., Bell Telephone Laboratories, 1982, pp. 686-688.
AT&T Tender for TAT8 Lightwave Submarine Cable System, May 16, 1983, Technical vol. Section 7.1.2, pp. 7.1.2-50 to 7.1.2-58.

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