Satellite-based cellular messaging system and method of operation thereof
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United States of America Patent
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Mar 18, 1997
Grant Date -
N/A
app pub date -
Oct 3, 1994
filing date -
Oct 3, 1994
priority date (Note) -
In Force
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Abstract
A satellite-based, world-wide cellular messaging system transmits paging messages to pagers. The messages are transmitted at unique times, on unique frequencies, and into uniquely identified cells according to a plan which is periodically revised and transmitted in advance to the pagers. Battery resources in the satellites and pagers are thereby conserved, and interference between transmissions to adjacent cells is minimized.
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