Method to dynamically determine interference and carrier-to-interference ration during TDMA calls
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United States of America Patent
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Jan 11, 2005
Grant Date -
N/A
app pub date -
Jun 26, 2000
filing date -
Jun 26, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
In the method for dynamically determining interference and carrier-to-interference ratio, interference is measured during an active TDMA time slot. In one embodiment, a base station determines the interference level in an active time slot using power level measurement taken during a DTX OFF period, when a mobile station is transmitting in discontinuous transmission mode. In another embodiment, a base station orders a mobile station to cease transmission during a SACCH portion of the time slot, and determines an interference level I measurement using power level measurements taken during the inactive SACCH field. Another embodiment provides for the determination of an interference level I using power level measurements taken during the guard and ramp fields.
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