Method of communicating stuffing indications in a multi-level co

Details Method of communicating stuffing indications in a multi-level co Method of communicating stuffing indications in a multi-level co

1987-08-10

1991-07-30

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

370102, 375112, H04L 704

Patent

active

050365266

ABSTRACT:
In a QAM radio transmission system, stuffing indications for a transmitted stuffed data signal are transmitted only once rather than repeatedly. The two possible states of each stuffing indication are represented by respective sets of signal points in the signal point constellation, with a separation between any two signal points in the different sets which is at least three times the signal point separation of the system. The reliability with which the stuffing indications are sent is much greater than for other transmitted information.

REFERENCES:
patent: 4525846 (1985-06-01), Bremer et al.
patent: 4627077 (1986-12-01), Armstrong
patent: 4630287 (1986-12-01), Armstrong
patent: 4644537 (1987-02-01), Gitlin et al.
patent: 4651320 (1987-03-01), Thapar

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