Method and apparatus for adapting omnidirectional synchronous wireless communications protocol to sectorial environments
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United States of America Patent
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-
Sep 21, 1999
Grant Date -
N/A
app pub date -
May 22, 1997
filing date -
May 22, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pager protocol that permits individual pagers to operate in an inactive mode when not being addressed to save power but nonetheless also accommodates high capacity transmission schemes that require non-continuous illumination of sectors occupied by individual pagers. Capabilities of a conventional omnidirectional paging protocol such as one of the FLEX.TM. family may be exploited to facilitate operation in the context of non-continous illumination. A pager transmitter transmits a simulcast transmission where all pagers in all sectors receive the same message. This message includes schedule information about future transmissions to individual pagers. Pagers then plan their switching between the active and inactive states in accordance with the schedule which takes into account a timetable for illuminating sectors.
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