Cellular mobile radio system and base transceiver station and base station controller therefor
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United States of America Patent
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Jul 13, 1999
Grant Date -
N/A
app pub date -
Sep 25, 1996
filing date -
Sep 26, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cellular mobile radio system selects the best cell to be accessed for a given position of a mobile station by determining the distance of the mobile station relative to the base transceiver station of a cell with which it is communicating by measuring the propagation time between the mobile station and the base transceiver station, resolving the indeterminacy associated with the direction in which said mobile station is located relative to said base transceiver station, and then determining which cell the mobile station is situated in the coverage area of, this cell constituting the best cell. The resolving of the indeterminacy is rendered independent of the synchronized or non-synchronized state of the system.
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