Method and system for detecting enhanced relative grants in a wireless communications system
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United States of America Patent
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Aug 25, 2015
Grant Date -
May 12, 2011
app pub date -
Nov 10, 2009
filing date -
Nov 10, 2009
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Abstract
Aspects of a method and system for detecting enhanced relative grants in a wireless communications system may include measuring a signal power level of an Enhanced Hybrid ARQ Indicator Channel (E-HICH) and estimating a HOLD signal level of an Enhanced Dedicated Channel (E-DCH) Relative Grant Channel (E-RGCH), based on the measured E-HICH signal power level, wherein the E-RGCH is associated with the E-HICH. The signal power level of the E-HICH in Transmission Time Intervals (TTIs) associated with the E-HICH may be measured. The HOLD signal level may be measured by compensating the measured signal power level of the E-HICH based on whether the E-HICH signal comprises an acknowledgment (ACK), a discontinuous transmission (DTX), or a negative acknowledgment (NACK). The measured signal power level may be compensated by an offset. An UP signal level of the E-RGCH signal may be estimated based on the estimated HOLD signal level.
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