Method for handoff in a mobile radio communication system
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United States of America Patent
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Mar 8, 1994
Grant Date -
N/A
app pub date -
Mar 22, 1991
filing date -
Apr 26, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method in connection with handoff from a first base station in a mobile radio communication system, in which method the signal strengths from a set of base stations surrounding a mobile station are measured in the latter. When handoff is considered to be motivated, the signal strength vector formed by the measured signal strengths is correlated with stored characteristic signal strength vectors associated with the first base station. If the correlation between measured signal strength vector and one of said stored characteristic signal strength vectors exceeds a predetermined correlation level, handoff is commanded to a predetermined second base station in the set having acceptable but not the highest signal strength in the measured signal strength vector, or is the handoff procedure interrupted and the connection between the mobile station and the first base station maintained.
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