Satellite cellular communication methods for performing cell-to-cell handoff
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United States of America Patent
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Nov 12, 1996
Grant Date -
N/A
app pub date -
Jun 1, 1994
filing date -
Jun 1, 1994
priority date (Note) -
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Abstract
Handoff methods perform cell-to-cell handoff between cells of the same satellite and between cells of different satellites. Handoff is initiated by an individual subscriber unit (ISU) based on local conditions. Once handoff is needed, the ISU chooses a candidate cell to transfer its communication based on a dynamic handoff candidate list provided by the satellite. After selecting a candidate cell, the ISU requests handoff, the satellite or satellites perform the handoff and communication begins over a new channel in the candidate cell.
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