Inter-cell call hand-over in radio communication systems with dynamic channel allocation
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United States of America Patent
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Aug 24, 1993
Grant Date -
N/A
app pub date -
Jun 6, 1991
filing date -
Dec 5, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The call hand-over technique of this invention is characterized by the use of channel information from both the target base station and subscriber terminal in determining which radio traffic channel will be used to hand over a call in progress from a serving base station to a target base station. Calls are handed over to the radio channel which, of a set of channels under consideration by the subscriber terminal, contains the least amount of interference as measured by the subscriber terminal. The set of channels under consideration by the subscriber terminal is a subset of the entire set of channels allocated to the service. This subset is comprised of those channels having little interference, as measured by the target base station. The hand-over technique thereby assures that calls proceed on channels containing little interference from the viewpoints of both the target base station and subscriber terminal.
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