Method of, and system for, transmitting messages
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United States of America Patent
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-
Feb 1, 2000
Grant Date -
N/A
app pub date -
Nov 20, 1997
filing date -
Dec 6, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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