Method of, and system for, transmitting messages

Details Method of, and system for, transmitting messages Method of, and system for, transmitting messages

1997-11-20

2000-02-01

Chin, Wellington

Telecommunications

Transmitter and receiver at separate stations

34082544, 34082547, 370515, 370535, 370342, H04Q 700

Patent

active

060213116

ABSTRACT:
A message transmission system includes at least one primary station arranged for making transmissions on a down-link and a plurality of secondary stations arranged for making transmissions on an up-link, each of the secondary stations having its own address which is transmitted as part of the down-link message. Each of the secondary stations is configured for generating responses to messages as pseudo-random data sequences, the pseudo-random data sequence being generated by a secondary station at any one time being dependent on at least the address assigned to the secondary station and/or information contained in the message.

REFERENCES:
patent: 4882579 (1989-11-01), Siwiak
patent: 4940963 (1990-07-01), Gutman et al.
patent: 5142279 (1992-08-01), Jasinski et al.
patent: 5499266 (1996-03-01), Yokev et al.
patent: 5872522 (1999-02-01), Gibson
patent: 5881092 (1999-03-01), Gibson

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