Soft hand-off in cellular mobile communications networks
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United States of America Patent
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May 3, 2005
Issued Date -
N/A
app pub date -
Jan 11, 2002
filing date -
May 14, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
In a cellular mobile communications network a mobile station is capable of receiving a downlink signal from each of a plurality of base stations and transmitting an uplink signal to the plurality of the base stations through a wireless channel. The mobile station produces a measure of signal quality of the downlink signals from the plurality of base stations to the mobile station and selects a base station from which the downlink signal shows a preferred signal quality. The mobile station transmits an uplink signal indicating the selected base station among the plurality of base stations for subsequent communications with the mobile station. Each base station processes the uplink signal to identify the selected base station from among the plurality of base stations.
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