Radio telecommunication network with selectable ring signal coverage
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United States of America Patent
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-
Sep 15, 1998
Grant Date -
N/A
app pub date -
Mar 29, 1996
filing date -
Mar 29, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A radio telecommunication network (10) includes satellites (12) which project cells (30) on the surface of the earth. Mobile units (16) are alerted to incoming calls when they receive ring signals. Ring signal coverage parameter values are selected in response to differentiating data (46) which cause different ring signals to be activated for mobile units (16) which appear to be proximately located. An illumination area ring signal coverage parameter may have a value selected in response to differentiating data (46) so that larger illumination areas are used for higher speed mobile units (16'). A transmission power ring signal coverage parameter may have a value selected in response to differentiating data (46) so that higher power ring signals are used in specific situations identified by the differentiating data (46).
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